Talks

Invited Presentations at Conferences (42)

  1. Stefan Heun: Prospects for hydrogen storage in graphene, International workshop on epitaxial 2D materials 2024, Tokyo, Japan, 04 October 2024. [Abstract] [Talk]

  2. S. Heun: Towards superconducting correlations in the quantum Hall regime, NanoInnovation 2024, Rome, Italy, 9 – 13 September 2024. [Abstract] [Talk]

  3. S. Heun: Josephson junctions based on high mobility InSb nanoflags for advanced quantum technologies, Workshop on Non-equilibrium quantum many-body systems, Genoa, Italy, 10 – 12 July 2024. [Abstract] [Talk]

  4. S. Heun: Hybrid superconductor – semiconductor Josephson junctions for quantum technologies, Workshop Il CNR nel panorama regionale delle Scienze e Technologie Quantistiche, Naples, Italy, 7 June 2024. [Abstract] [Talk]

  5. S. Heun, B. Turini, A. Iorio, S. Salimian, M. Carrega, E. Strambini, F. Giazotto, V. Zannier, and L. Sorba: Supercurrent diode effect in high mobility free-standing InSb nanoflags, Supertop Workshop, Budapest, Hungary, 9 – 11 May 2022. [Abstract] [Talk]

  6. S. Heun: Hydrogen storage in Ti-functionalized graphene, Italy – Taiwan bilateral symposium on emergent crystalline materials, 9 -10 December 2021. [Abstract] [Talk] [Video]

  7. S. Heun: Black phosphorus n-type doping by Cu: a microscopic surface investigation, New Times, 1st International Virtual Conference, 14 – 18 June 2021. [Abstract] [Talk]

  8. S. Heun: Surface Engineering of two-dimensional black Phosphorus, Israel-Italy Workshop on 2D Materials, Bar-Ilan University, Israel, 25 – 27 November 2019. [Program] [Abstract] [Talk]

  9. S. Heun: Optimization of few-layer black phosphorus for low-temperature magneto-transport studies, Materials.it 2018, Bologna, Italy, 22 – 26 October 2018. [Abstract] [Talk]

  10. S. Guiducci, M. Carrega, G. Biasiol, L. Sorba, F. Beltram, and S. Heun: Towards quantum Hall effect in a Josephson junction, Tunneling Through Nanoscience, Ravello, Italy, 17 – 20 October 2018. [Abstract] [Talk]

  11. F. Telesio, N. Hemsworth, W. Dickerson, M. Petrescu, V. Tayari, Oulin Yu, D. Graf, M. Serrano-Ruiz, M. Caporali, M. Peruzzini, M. Carrega, T. Szkopek, S. Heun, and G. Gervais: Non-classical longitudinal magneto-resistance in anisotropic black phosphorus, Nanomaterials for Devices, Montreal, Canada, 10 – 12 September 2018. [Abstract] [Talk]

  12. S. Heun: Optimization of few-layer black phosphorus for low-temperature magneto-transport studies, Iconsat 2018, Bangalore, India, 21 – 23 March 2018. [Abstract] [Talk]

  13. L. Bours, S. Guiducci, A. Mrenca-Kolasinska, B. Szafran, J. C. Maan, and S. Heun: Manipulating quantum Hall edge channels in graphene by Scanning Gate Microscopy, NSS-9, Gyeongju, S. Korea, 25 – 28 September 2017. [Abstract] [Talk]

  14. S. Heun: Hydrogen storage in metal-functionalized graphene, 103º Congresso Nazionale della Società Italiana di Fisica, Trento, Italy, 11 – 15 September 2017. [Abstract] [Talk]

  15. S. Heun: Prospects for Hydrogen Storage in Graphene, NanoTech, Puerto Vallarta, Mexico, 14 – 18 November 2016. [Program] [Abstract] [Talk]

  16. S. Heun: Quantum Hall Effect in a QPC in graphene, Taller Transferencia de Calor a la Nanoescala, UNAM, Mexico-City, Mexico, 14 – 15 November 2016. [Program] [Talk]

  17. S. Heun: Prospects for hydrogen storage in graphene, Korea-Italy Bilateral Symposium on Beyond Graphene, Hanyang University, Seoul, Korea, 27 May 2016. [Program] [Abstract] [Talk]

  18. S. Heun: 2D Materials, CNR – CONACYT Workshop, Rome, Italy, 14 – 15 April 2016. [Program] [Abstract] [Talk]

  19. S. Heun: Hydrogenated graphene, FisMat 2015, Palermo, Italy, 28 September – 2 October 2015. [Program] [Abstract] [Talk]

  20. S. Heun: Nanomaterials characterization by low-temperature scanning gate microscopy, QNet Workshop, Pisa, Italy, 10 – 11 December 2014. [Program] [Abstract] [Talk]

  21. S. Heun: Nanomaterials characterization by low-temperature Scanning Probe Microscopy, International School on New frontiers in down-scaled materials and devices: realization and investigation by advanced methods, Otranto, Italy, 15 – 20 September 2014. [Program] [Talk]

  22. S. Heun: Prospects for hydrogen storage in graphene, NSS8, Chicago, USA, 28 – 31 July 2014. [Program] [Abstract] [Talk]

  23. T. Mashoff, S. Goler, V. Tozzini, D. Convertino, V. Miseikis, C. Coletti, V. Piazza, M. Takamura, S. Tanabe, H. Hibino, V. Pellegrini, F. Beltram, and S. Heun: Graphene for hydrogen storage: an STM study, ICN+T, Vail, Colorado, USA, 20 – 25 July 2014. [Program] [Abstract] [Talk]

  24. S. Heun: Imaging fractional incompressible stripes in integer quantum Hall systems, CNRS GDR Physique Quantique Mésoscopique, Aussois, France, 9 – 12 December 2013. [Program] [Abstract] [Talk]

  25. S. Heun: Edge channel interferometry in the quantum Hall regime, The 13th International Conference – School on Advanced Materials and Technologies, Palanga, Lithuania, 27 – 31 August 2011. [Program] [Abstract] [Talk]

  26. S. Heun, B. Radha, D. Ercolani, G. U. Kulkarni, F. Rossi, V. Grillo, G. Salviati, F. Beltram, and L. Sorba: Coexistence of Vapor-Liquid-Solid and Vapor-Solid-Solid growth modes in Pd-assisted InAs nanowires, Villa Conferences on Interactions among Nanostructures, Las Vegas, Nevada, USA, 21 – 25 April 2011. [Program] [Abstract] [Talk]

  27. S. Heun: Semiconductor Nanowires, National Seminar on The New Frontiers of Nanotechnology in Materials Science, Raja Lakhamagouda Science Institute, Belgaum, India, 26 – 27 November 2010. [Program] [Abstract] [Talk]

  28. S. Heun: Compositional mapping of semiconductor quantum dots by x-ray photoemission electron microscopy, Workshop on in situ characterization of near-surface processes, Leoben, Austria, 2 October 2009. [Program] [Abstract] [Talk]

  29. S. Heun: Photo Emission Electron Microscopy, Winter School on Synchrotron Radiation, Delmenhorst, Germany, 12 – 14 November 2008. [Program] [Talk]

  30. S. Heun, L. Sorba, G. Biasiol, T. Mlakar, R. Magri, A. Locatelli, and T. O. Mentes: Surface compositional profiles of self-assembled InAs/GaAs quantum rings, IUMRS-ICEM 2008, Sydney, Australia, 28 July – 1 August 2008. [Program] [Abstract] [Talk]

  31. S. Heun: Compositional mapping of individual semiconductor nanostructures, NanoE3, Couran Cove, Australia, 23 – 28 September 2007. [Program] [Abstract] [Talk]

  32. S. Heun, G. Biasiol, G. B. Golinelli, L. Sorba, F. Ratto, F. Rosei, S. Cherifi, S. Fontana, A. Locatelli, T. O. Mentes, F. Z. Guo, C. Hofer, C. Teichert, P.-D. Szkutnik, A. Sgarlata, M. De Crescenzi, and N. Motta: Spectromicroscopic investigation of semiconductor quantum dots, Iconsat 2006, New Delhi, India, 16 – 18 March 2006. [Program] [Abstract] [Talk]

  33. S. Heun: Nanostructured materials for device applications, Pacifichem 2005, Honolulu, Hawaii, USA, 15 – 20 December 2005. [Program] [Abstract] [Talk]

  34. S. Heun: Low-dimensional systems studied by SPELEEM, UK Synchrotron Radiation Users Meeting, Manchester, UK, 13 – 14 September 2005. [Program] [Abstract] [Talk]

  35. S. Heun: Nanoscale Imaging and Spectroscopy with PEEM, Italian-Australian Workshop: Future Directions in Spectroscopy and Imaging with Synchrotron Radiation, Trieste, Italy, 9 – 11 February 2005. [Program] [Abstract] [Talk]

  36. S. Heun: Nanospectroscopy with the SPELEEM at Elettra, 2nd International Symposium on Technologies and Applications of Photoelectron Micro-Spectroscopy with Laser-based VUV sources, Tsukuba, Japan, 1 – 3 February 2005. [Program] [Abstract] [Talk]

  37. S. Heun: XPEEM with energy filter, National Synchrotron Light Source Annual Users’ Meeting, Brookhaven, USA, 17 – 20 May 2004. [Program] [Abstract] [Talk]

  38. S. Heun, A. Bianco, S. Cherifi, D. Cocco, M. Kiskinova, A. Locatelli, M. Marsi, M. Pasqualetto, and E. Bauer: Nanospectroscopy with the SPELEEM at ELETTRA, International Symposium on Technologies and Applications of Photoelectron Micro-Spectroscopy with Laser-based VUV sources, Tsukuba, Japan, 2 – 4 December 2002. [Program] [Abstract] [Talk]

  39. S. Heun, M. Lazzarino, P. Pingue, B.Ressel, and K. C. Prince: AFM local anodic oxidation studied by spectroscopic microscopy, 2nd International Workshop on Nano-scale Spectroscopy and Nanotechnology, Tokyo, Japan, 25 – 29 November 2002. [Program] [Abstract] [Talk]

  40. S. Heun, Y. Watanabe, B. Ressel, D. Bottomley, Th. Schmidt, and K. C. Prince: Photoelectron spectroscopy from individual heteroepitaxial nanocrystals on GaAs(001), First International Workshop on Nano-scale Spectroscopy and its Applications to Semiconductor Research, Trieste, Italy, 11 – 14 December 2000. [Program] [Abstract] [Talk]

  41. S. Heun, Th. Schmidt, J. Slezak, J. Diaz, K. C. Prince, E. Bauer, B. H. Müller, and A. Franciosi: Spectromicroscopy of low-dimensional systems, Third Workshop on Thin Film Physics and Technology, Trieste, Italy, 8 – 26 March 1999. [Program] [Abstract]

  42. S. Heun, Th. Schmidt, J. Slezak, J. Diaz, K. C. Prince, E. Bauer, B. Müller, and A. Franciosi: Semiconductor physics with the SPELEEM at Elettra, TUSBAR meeting, Trieste, Italy, 18 – 19 January 1999. [Program] [Abstract]

Invited Seminars (86)

  1. S. Heun: Highly transmissive InSb nanoflag Josephson junctions, ISSP, The University of Tokyo, Japan (Prof. Y. Hasegawa), 5 October 2023. [Abstract] [Talk]

  2. Stefan Heun: Prospects for Hydrogen Storage in Graphene, Kwansei Gakuin University, Sanda, Hyogo, Japan (Prof. H. Hibino), 2 October 2023. [Abstract] [Talk]

  3. S. Heun: Prospects for Hydrogen Storage in Graphene, Montanuniversität Leoben, Austria (Prof. Christian Teichert), 20 March 2023. [Abstract] [Talk]

  4. S. Heun: Hydrogen Storage in Graphene, Karl-Franzens-Universität Graz, Austria (Dr. Donato Civita/Prof. Leonhard Grill), 17 March 2023. [Abstract] [Talk]

  5. S. Heun: High mobility free-standing InSb nanoflags for advanced quantum technologies, AGH University of Science and Technology, Krakow, Poland (Dr. M. P. Nowak), 19 May 2021. [Abstract] [Talk]

  6. S. Heun: Optimization of few-layer black phosphorus for low-temperature magneto-transport studies, École Polytechnique de Montréal, Quebec, Canada (Prof. O. Moutanabbir), 13 September 2018. [Abstract] [Talk]

  7. S. Heun: Hydrogen and graphene: from tuning of hydrogen adsorption by gate voltage, to Si dangling bonds in quasi-free-standing monolayer graphene, McGill University, Montreal, Quebec, Canada (Prof. G. Gervais), 12 July 2018. [Abstract] [Talk]

  8. S. Heun: Optimization of few-layer black phosphorus for low-temperature magneto-transport studies, AGH University of Science and Technology, Krakow, Poland (Prof. B. Szafran), 12 June 2018. [Abstract] [Talk]

  9. S. Heun: The importance of surfaces for the properties of 2D materials: from graphene to phosphorene, University of Seoul, S. Korea (Prof. Jeil Jung), 22 September 2017. [Abstract] [Talk]

  10. S. Heun: Metal-functionalized graphene for hydrogen storage, SKKU, Seoul, S. Korea (Prof. Dongmok Whang), 21 September 2017. [Abstract] [Talk]

  11. S. Heun: Quantum Hall effect in graphene, Universität Osnabrück, Germany (Prof. J. Wollschläger), 30 June 2017. [Abstract] [Talk]

  12. S. Heun: Dephasing in strongly anisotropic black phosphorus, High Field Magnet Laboratory, Radboud University, Nijmegen, The Netherlands (Prof. J. C. Maan), 12 September 2016. [Talk]

  13. S. Heun: Hydrogenated Graphene, Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Russia (Prof. V. Khrapai), 05 July 2016. [Abstract] [Talk]

  14. S. Heun: Scanning Gate Microscopy on low-dimensional nanostructures, AGH University of Science and Technology, Krakow, Poland (Prof. B. Szafran), 06 May 2016. [Abstract] [Talk]

  15. S. Heun: Prospects for hydrogen storage in graphene, CNR – Istituto di Struttura della Materia, Rome, Italy (Prof. L. Avaldi), 26 November 2015. [Abstract] [Talk]

  16. S. Heun: Prospects for hydrogen storage in graphene, McGill University, Montreal, Canada (Prof. G. Gervais), 28 October 2015. [Abstract] [Talk]

  17. S. Heun: Hydrogen Storage in Graphene, Institut Neel, CNRS Grenoble, France (Prof. H. Courtois), 16 September 2015. [Talk]

  18. S. Heun: Hydrogen Storage in Graphene, ISSP, Tokyo University, Kashiwa, Japan (Prof. Y. Hasegawa), 5 August 2015. [Abstract] [Talk]

  19. S. Heun: Prospects for Hydrogen Storage in Graphene, Hokkaido University, Sapporo, Japan (Dr. K. Takahashi), 3 August 2015. [Talk]

  20. S. Heun: Hydrogenated Graphene, Tohoku University, Sendai, Japan (Prof. M. Suemitsu), 31 July 2015. [Abstract] [Talk]

  21. S. Heun: 2D Materials Research Activities at the NEST lab in Pisa, Italy, NTT Basic Research Laboratories, Atsugi, Japan (Dr. S. Suzuki), 23 July 2015. [Abstract] [Talk]

  22. S. Heun: Scanning gate imaging of the 0.7 anomaly and of fractional quantum Hall features, Chiba University, Chiba, Japan (Prof. N. Aoki), 4 November 2014. [Abstract] [Talk]

  23. S. Heun: Exploring the physics of one-dimensional systems by scanning gate microscopy, NTT Basic Research Laboratories, Atsugi, Japan (Dr. H. Hibino), 31 October 2014. [Abstract] [Talk]

  24. S. Heun: Prospects for hydrogen storage in graphene, Tohoku University, Sendai, Japan (Prof. M. Suemitsu), 30 October 2014. [Abstract] [Talk]

  25. S. Heun: Hydrogen Storage in Graphene, Paul Drude Institut, Berlin, Germany (Dr. S. Foelsch), 26 September 2014. [Abstract] [Talk]

  26. S. Heun: Designing graphene for hydrogen storage, Universität Regensburg, Germany (Prof. M. Grifoni & Prof. F.-J. Giessibl), 04 July 2014. [Abstract] [Talk]

  27. S. Heun: Exploring the physics of one-dimensional systems by scanning gate microscopy, Institut Neel, CNRS Grenoble, France (Prof. H. Courtois), 03 December 2013. [Abstract] [Talk]

  28. S. Heun: Hydrogen on Graphene – an STM study, IBM Rueschlikon, Switzerland (Dr. Gerhard Meyer), 23 October 2013. [Abstract] [Talk]

  29. S. Heun: Hydrogen Storage on Graphene, S3 CNR-Nano, Modena, Italy (Prof. E. Molinari), 15 April 2013. [Abstract] [Talk]

  30. S. Heun: Graphene for Hydrogen Storage, NTT Basic Research Laboratories, Atsugi, Japan (Dr. H. Hibino), 12 March 2013. [Abstract] [Talk]

  31. S. Heun: The influence of graphene curvature and functionalization on hydrogen adsorption: towards hydrogen storage devices, National Cheng Kung University, Tainan, Taiwan (Prof. Chung-Lin Wu), 8 March 2013. [Abstract] [Talk]

  32. S. Heun: Hydrogen Storage on Graphene: an STM study, NSRRC, Hsinchu, Taiwan (Dr. Chia-Hao Chen), 6 March 2013. [Abstract] [Talk]

  33. S. Heun: STM Studies of Hydrogen on Graphene, Tokyo University, Japan (Prof. M. Oshima), 28 February 2013. [Abstract] [Talk]

  34. S. Heun: Hydrogen Storage on Graphene, Keio University, Tokyo, Japan (Dr. Yoshio Watanabe), 27 February 2013. [Abstract] [Talk]

  35. S. Heun: Tomography and manipulation of Quantum Hall edge channels by Scanning Gate Microscopy, IBM Rueschlikon, Switzerland (Dr. Gerhard Meyer), 17 October 2012. [Abstract] [Talk]

  36. S. Heun: Semiconductor Nanowires, Zhejiang University, Hangzhou, China (Prof. Li Jixue), 28 June 2011. [Abstract] [Talk]

  37. S. Heun: Growth and Characterization of Semiconductor Nanowires, INRS-EMT, Univ. du Quebec, Varennes, Canada (Prof. F. Rosei), 2 May 2011. [Abstract] [Talk]

  38. N. Paradiso, S. Heun, S. Roddaro, D. Venturelli, F. Taddei, V. Giovannetti, R. Fazio, G. Biasiol, L. Sorba, and F. Beltram: Spatially–resolved analysis of edge–channel equilibration in quantum Hall circuits, Dept. of Physics, McGill University, Montreal, Canada (Prof. G. Gervais), 29 April 2011. [Abstract] [Talk]

  39. S. Heun: Growth and Characterization of Semiconductor Nanowires, NRC Institute for Microstructural Sciences, Ottawa, Canada (Dr. G. Austing), 28 April 2011. [Abstract] [Talk]

  40. S. Heun: Growth and Characterization of Semiconductor Nanowires, Centre for Advanced Nanotechnology, University of Toronto, Canada (Prof. H. Ruda), 26 April 2011. [Talk]

  41. S. Heun: Coexistence of Vapor–Liquid–Solid and Vapor–Solid–Solid Growth Modes in Pd-Assisted InAs Nanowires, Centre for Soft Matter Research, Bangalore, India (Prof. K. A. Suresh), 30 November 2010. [Abstract] [Talk]

  42. N. Paradiso, S. Heun, S. Roddaro, L. N. Pfeiffer, K. W. West, L. Sorba, G. Biasiol, and F. Beltram: Scanning gate microscopy and individual control of edge-channel transmission through a quantum point contact, ISSP, Tokyo University, Japan (Prof. Y. Hasegawa), 17 July 2009. [Abstract] [Talk]

  43. N. Paradiso, S. Heun, S. Roddaro, L. N. Pfeiffer, K. W. West, L. Sorba, G. Biasiol, and F. Beltram: Scanning gate microscopy and individual control of edge-channel transmission through a quantum point contact, NTT Basic Research Laboratories, Atsugi, Japan (Dr. H. Hibino), 16 July 2009. [Abstract] [Talk]

  44. S. Heun: InAs/GaAs quantum dots and rings, CNR Institute for Complex Systems, Sesto Fiorentino, Italy (Dr. P. Politi), 26 February 2008. [Abstract] [Talk]

  45. S. Heun: Compositional mapping of semiconductor quantum dots by x-ray photoemission electron microscopy, IV. Physikalisches Institut, Universitaet Goettingen, Germany (Prof. A. Rizzi), 23 November 2006. [Abstract] [Talk]

  46. S. Heun, G. Biasiol, V. Grillo, E. Carlino, L. Sorba, G. B. Golinelli, A. Locatelli, T. O. Mentes, and F. Z. Guo: Surface compositional gradients of InAs/GaAs quantum dots, Materials Research Center, Indian Institute of Science, Bangalore, India (Prof. S. B. Krupanidhi), 14 March 2006. [Abstract] [Talk]

  47. S. Heun: Spectromicroscopic investigations of nanostructured materials for device applications, Physics Department, Karnatak University, Dharwad, India, 11 March 2006. [Abstract] [Talk]

  48. S. Heun: Local Anodic Oxidation with AFM: A Nanometer-Scale Spectroscopic Study with Photoemission Microscopy, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India (Prof. G. Kulkarni), 8 September 2005. [Abstract] [Talk]

  49. S. Heun: Local Anodic Oxidation of GaAs: A Nanometer-Scale Spectroscopic Study with PEEM, Paul Drude Institut, Berlin, Germany (Dr. S. Foelsch), 18 March 2005. [Abstract] [Talk]

  50. S. Heun: Local Anodic Oxidation of GaAs: A Nanometer-Scale Spectroscopic Study with PEEM, Scuola Normale Superiore, Pisa, Italy (Prof. F. Beltram), 3 March 2005. [Abstract] [Talk]

  51. S. Heun: Nanoscale Imaging and Spectroscopy with Photoemission Electron Microscopy, ISSP, University of Tokyo, Kashiwa, Japan (Prof. T. Kinoshita), 31 January 2005. [Abstract] [Talk]

  52. S. Heun: The SPELEEM at the Nanospectroscopy Beamline at Elettra: Present status and performance, Spring-8, Hyogo, Japan (Prof. K. Kobayashi), 27 January 2005. [Abstract] [Talk]

  53. S. Heun: Desorption dynamics of oxide nanostructures fabricated by local anodic oxidation, S3, University of Modena, Italy (Prof. E. Molinari), 2 November 2004. [Abstract] [Talk]

  54. S. Heun: The local structure and chemical properties of LAO-oxide nanostructures, Jozef Stefan Institute, Ljubljana, Slovenia (Prof. A. Prodan), 9 September 2004. [Abstract] [Talk]

  55. S. Heun: Desorption dynamics of LAO-oxide nanostructures, Australian National University, Canberra, Australia (Prof. B. Lewis), 27 July 2004. [Abstract] [Talk]

  56. S. Heun: Chemical characterization of semiconductor nanostructures by energy filtered photoemission electron microscopy, Laboratoire Louis Neel, Grenoble, France (Dr. S. Cherifi), 1 July 2004. [Abstract] [Talk]

  57. S. Heun: Chemical characterization of nanostructures by photoemission x-ray microscopy, Ohio University, Athens, USA (Prof. S.-W. Hla), 24 May 2004. [Abstract] [Talk]

  58. S. Heun: AFM nanolithography studied by spectromicroscopy, Universitaet Essen, Germany (Prof. M. Horn-von Hoegen), 4 November 2003. [Abstract] [Talk]

  59. S. Heun: The Nanospectroscopy Beamline at Elettra, Synchrotron Radiation Research Center, Hsinchu, Taiwan (Dr. R. Klauser), 6 December 2002. [Talk]

  60. S. Heun: The Nanospectroscopy Beamline at Elettra: present status and first results, Tokyo University, Japan (Prof. S. Hasegawa), 2 December 2002. [Talk]

  61. S. Heun: Applications of spectromicroscopy at Elettra, Swiss Light Source, Villigen, Switzerland (Dr. C. Quitmann), 26 June 2001. [Abstract] [Talk]

  62. S. Heun: Photoelectron spectroscopy on semiconductor nanostructures, Montanuniversitaet Leoben, Austria (Prof. C. Teichert), 17 May 2001. [Abstract] [Talk]

  63. S. Heun: Nanospectroscopy on InAs nanocrystals, NTT Basic Research Laboratories, Atsugi, Japan (Dr. Y. Watanabe), 29 June 2000. [Abstract]

  64. S. Heun: Spectromicroscopy of nanostructures by SR-PEEM, Tokyo University, Japan (Prof. M. Oshima), 27 June 2000. [Abstract]

  65. S. Heun: Nano-scale photoelectron spectroscopy at Elettra, Electrotechnical Laboratories, AIST, Tsukuba, Japan (Dr. T. Tomie), 26 June 2000. [Abstract]

  66. S. Heun: The spectromicroscopy beamlines at Elettra: Recent achievements, Photon Factory, Tsukuba, Japan (Prof. Kakizaki), 23 June 2000. [Abstract] [Talk]

  67. S. Heun: Nanospectroscopy of low-dimensional systems, University of Wisconsin-Madison, USA (Prof. M. Lagally), 25 August 1999. [Abstract]

  68. S. Heun: Applied semiconductor research with the SPELEEM at ELETTRA, Czech Academy of Sciences, Prague, Czech Republic (Prof. V. Chab), 19 February 1999. [Abstract]

  69. S. Heun: Semiconductor Physics with the SPELEEM at ELETTRA, Scuola Normale Superiore, Pisa, Italy (Prof. F. Beltram), 22 July 1998. [Abstract]

  70. S. Heun: The SPELEEM at ELETTRA: A new instrument for spectromicroscopy, Nova Gorica Polytechnic, Slovenia (Dr. G. Bratina), 21 May 1998. [Abstract] [Talk]

  71. S. Heun: Stacking fault density and local interface composition in II-VI/III-V heterostructures, Tokyo Institute of Technology, Japan (Prof. K. Yagi), 3 April 1997. [Talk]

  72. S. Heun: Interface composition and stacking fault density in II-VI/III-V heterostructures, Tokyo University, Japan (Prof. M. Oshima), 2 April 1997. [Abstract].

  73. S. Heun: Local interface composition and extended defect density in ZnSe/GaAs(001) and ZnSe/In0.04Ga0.96As(001) heterojunctions, JRCAT, AIST, Tsukuba, Japan (Prof. T. Yao), 1 April 1997.

  74. S. Heun: Strain and surface morphology in ZnSe/In0.04Ga0.96As(001) heterostructures, NTT Basic Research Laboratories, Atsugi, Japan (Dr. Y. Watanabe), 31 March 1997. [Talk]

  75. S. Heun: Interface engineering of II-VI/III-V heterostructures, Sincrotrone Trieste, Italy (Dr. F. Esch), 10 March 1997. [Abstract]

  76. S. Heun: The influence of an ultrathin pseudomorphic interface control layer of Si on the growth of SrF2 on GaAs, Universitaet Kassel, Germany (Prof. F. Traeger), 16 November 1995. [Talk]

  77. S. Heun: The growth of Si on different GaAs surfaces: A comparative study, Maximilians-Universitaet Muenchen, Germany (Prof. W. Moritz), 9 October 1995.

  78. S. Heun: DC conductivity of ultrathin epitaxial films of Ag, Pb and Au on Si(111), RIKEN, Tokyo, Japan (Dr. T. Hara), 4 March 1994.

  79. S. Heun: Conductivity measurements on one monolayer silver on Si(111), Tokyo University, Japan (Prof. S. Ino), 22 December 1993.

  80. S. Heun: Conductivity of epitaxial silver films, CNRS, Grenoble, France (Prof. T. Lopez-Rios), 12 October 1993.

  81. S. Heun: Metallic and nonmetallic conductivity of thin epitaxial silver films, Freie Universitaet Berlin, Germany (Prof. E. Matthias), 11 June 1993.

  82. S. Heun: Morphology and electrical conductivity of thin Ag films on Ag(111), RWTH Aachen, Germany (Prof. E. Gerlach), 8 June 1993. [Talk]

  83. S. Heun: The electrical conductivity of thin films of Ag, Pb, and Au on Si(111), CNRS, Paris, France (Prof. F. Cyrot-Lackmann), 25 May 1993.

  84. S. Heun: Surface roughness and conductivity of thin Ag films, Universitaet Duesseldorf, Germany (Dr. D. Schumacher), 12 May 1993.

  85. S. Heun: Magnetoconductivity of thin epitaxial silver films, Universitaet Wuerzburg, Germany (Prof. E. Umbach), April 1993.

  86. S. Heun: Conductance of Ag on Si(111): a two-dimensional percolation problem, Universitaet Bayreuth, Germany (Dr. H. Roeder), December 1992. [Talk]

Contributed Presentations at Scientific Conferences (74)

  1. Andrea Chieppa, Gaurav Shukla, Giada Bucci, Valentina Zannier, Samuele Fracassi, Simone Traverso, Niccolo Traverso Ziani, Maura Sassetti, Matteo Carrega, Fabio Beltram, Francesco Giazotto, Lucia Sorba, and Stefan Heun: Superconducting Quantum Interference Devices based on InSb Nanoflag Josepohson Junctions, European Conference on Innovative and Advanced Epitaxy, Pisa, Italy, 19 – 23 May 2025 (oral). [Abstract] [Talk]

  2. A. Chieppa, G. Shukla, G. Bucci, V. Zannier, S. Fracassi, S. Traverso, N. Traverso Ziani, M. Sassetti, M. Carrega, F. Beltram, F. Giazotto, L. Sorba, S. Heun: Superconducting quantum interference devices based on InSb nanoflag Josephson junctions, 2nd Congresso Nazionale di NQSTI, Rome, Italy 5 – 7 February 2025 (oral). [Abstract] [Talk]

  3. A. Iorio, A. Crippa, B. Turini, S. Salimian, M. Carrega, L. Chirolli, V. Zannier, L. Sorba, E. Strambini, F. Giazotto, and S. Heun: Half-integer Shapiro steps in highly transmissive InSb nanoflag Josephson junctions, 36th International Conference on the Physics of Semiconductors (ICPS), Ottawa, Canada, 28 July – 2 August 2024 (oral). [Abstract] [Talk]

  4. A. Iorio, A. Crippa, B. Turini, S. Salimian, M. Carrega, L. Chirolli, V. Zannier, L. Sorba, E. Strambini, F. Giazotto, and S. Heun: Half-integer Shapiro steps in highly transmissive InSb nanoflag Josephson junctions, DPG Spring Meeting, Berlin, Germany, 17 – 22 March 2024 (oral). [Abstract] [Talk]

  5. A. Iorio, B. Turini, S. Salimian, A. Crippa, E. Strambini, V. Zannier, M. Carrega, L. Chirolli, F. Beltram, L. Sorba, F. Giazotto, and S. Heun: Highly transmissive InSb nanoflag Josephson junctions, NQSTI Workshop, Rome, Italy, 15 – 16 January 2024 (oral). [Abstract] [Talk]

  6. A. Iorio, B. Turini, S. Salimian, M. Carrega, L. Chirolli, A. Crippa, E. Strambini, V. Zannier, L. Sorba, F. Giazotto, and S. Heun: Half-integer Shapiro steps in InSb /Nb Josephson junctions, Bound States 2023, Budapest, Hungary, 11-14 June 2023 (oral). [Abstract] [Talk]

  7. A. Kumar, F. Telesio, D. Prezzi, C. Cardoso, A. Catellani, S. Forti, C. Coletti, M. Serrano-Ruiz, M. Peruzzini, F. Beltram, and S. Heun: Black phosphorus n-type doping by Cu: a microscopic surface investigation, International Symposium on Nanoscale Research, Leoben, Austria, 20 – 21 September 2021 (oral). [Abstract] [Talk]

  8. S. Salimian, M. Carrega, I. Verma, V. Zannier, F. Rossi, D. Ercolani, F. Beltram, L. Sorba, and S. Heun: High mobility free-standing InSb nanoflags for quantum technology, CMD 20 online series Bound states in hybrid superconductor nanostructures, 28 – 29 June 2021 (oral). [Abstract] [Talk]

  9. F. Telesio, G. le Gal, M. Serrano-Ruiz, F. Prescimone, S. Toffanin, M. Peruzzini, and S. Heun: Ohmic contact engineering in few-layer black Phosphorus field effect transistors, FisMat 2019, Catania, Italy, 30 September – 4 October 2019 (oral). [Abstract] [Talk]

  10. F. Telesio, N. Hemsworth, W. Dickerson, M. Petrescu, V. Tayari, Oulin Yu, D. Graf, M. Serrano-Ruiz, M. Caporali, M. Peruzzini, M. Carrega, T. Szkopek, S. Heun, and G. Gervais: Non-classical longitudinal magneto-resistance in anisotropic black phosphorus, E-MRS Spring Meeting 2019, Nice, France, 27 – 31 May 2019 (poster). [Abstract] [Poster]

  11. L. Bours, S. Guiducci, A. Mrenca-Kolasinska, B. Szafran, J. C. Maan, and S. Heun: Manipulating quantum Hall edge channels through Scanning Gate Microscopy, DPG Spring Meeting and EPS-CMD 27, Berlin, Germany, 11 – 16 March 2018 (oral). [Abstract] [Talk]

  12. S. Fiori, Y. Murata, S. Veronesi, A. Rossi, C. Coletti, and S. Heun: Li-intercalated graphene on SiC(0001): an STM study, Fismat 2017, Trieste, Italy, 1 – 5 October 2017 (oral). [Abstract] [Talk]

  13. N. Hemsworth, V. Tayari, F. Telesio, S. Xiang, S. Roddaro, M. Caporali, A. Ienco, M. Serrano-Ruiz, M. Peruzzini, G. Gervais, T. Szkopek, and S. Heun: Dephasing in strongly anisotropic black phosphorus, ICFSI-16, Hannover, Germany, 02 – 07 July 2017 (oral). [Abstract] [Talk]

  14. S. Xiang, A. Mrenca-Kolasinska, V. Miseikis, S. Guiducci, K. Kolasinski, C. Coletti, B. Szafran, F. Beltram, S. Roddaro, and S. Heun: Inter-edge backscattering in buried split-gate-defined graphene quantum point contacts, Materials.it 2016, Aci Castello, Catania, Italy, 12 – 16 December 2016 (oral). [Abstract] [Talk]

  15. S. Heun: Novel 2D materials to study interactions between light and matter, Workshop “Fundamental Metrology”, Torino, Italy, 2 December 2016 (oral). [Talk]

  16. S. Xiang, A. Mrenca-Kolasinska, V. Miseikis, S. Guiducci, K. Kolasinski, C. Coletti, B. Szafran, F. Beltram, S. Roddaro, and S. Heun: Controlling graphene edge-state trajectories with a buried gate architecture, CMD-26, Groningen, The Netherlands, 04 – 09 September 2016 (oral). [Abstract] [Talk]

  17. Y. Murata, T. Mashoff, N. Pavlicek, G. Meyer, T. Cavallucci, V. Tozzini, M. Takamura, H. Hibino, F. Beltram, and S. Heun: Hydrogen vacancies in quasi-free-standing monolayer graphene, ECOSS-32, Grenoble, France, 28 August – 02 September 2016 (oral). [Abstract] [Talk]

  18. Y. Murata, T. Mashoff, M. Takamura, S. Tanabe, H. Hibino, F. Beltram, and S. Heun: Correlation between Morphology and Transport Properties of Quasi-Free-Standing Monolayer Graphene, EP2DS-21/MSS-17, Sendai, Japan, 26 – 31 July 2015 (poster). [Abstract] [Poster]

  19. A. Iagallo, S. Tanabe, S. Roddaro, M. Takamura, Y. Sekine, H. Hibino, V. Miseikis, C. Coletti, V. Piazza, F. Beltram, and S. Heun: Bilayer-induced asymmetric quantum Hall effect in epitaxial graphene, EP2DS-21/MSS-17, Sendai, Japan, 26 – 31 July 2015 (poster). [Abstract] [Poster]

  20. Y. Murata, T. Mashoff, M. Takamura, S. Tanabe, H. Hibino, F. Beltram, and S. Heun: Correlation between morphology and transport properties of quasi-free-standing monolayer graphene, International workshop on SPA-LEED 2015, Hannover, Germany, 28 – 29 May 2015 (oral). [Abstract] [Talk]

  21. T. Mashoff, S. Goler, V. Tozzini, D. Convertino, V. Miseikis, C. Coletti, V. Piazza, M. Takamura, S. Tanabe, H. Hibino, V. Pellegrini, F. Beltram, and S. Heun: Tailoring graphene for hydrogen storage, SINFO II, Trieste, Italy, 25 – 27 June 2014 (poster). [Abstract] [Poster]

  22. S. Goler, C. Coletti, V. Tozzini, V. Piazza, T. Mashoff, M. Takamura, S. Tanabe, H. Hibino, F. Beltram, V. Pellegrini, and S. Heun: Hydrogen Storage on Graphene: an STM study, Nanoscience Institute 2nd Workshop, Modena, Italy, 10 – 11 June 2013 (oral). [Abstract] [Talk]

  23. S. Heun, N. Paradiso, S. Roddaro, G. Biasiol, L. Sorba, L. N. Pfeiffer, K. W. West, and F Beltram: Imaging fractional incompressible stripes in integer quantum Hall systems, 24th Conference of the EPS Condensed Matter Division (CMD-24), Edinburgh, UK, 3 – 7 September 2012 (oral). [Abstract] [Talk]

  24. N. Paradiso, S. Heun, S. Roddaro, G. Biasiol, L. Sorba, L. N. Pfeiffer, K. W. West, and F. Beltram: Imaging fractional incompressible stripes in integer quantum Hall systems, 31st International Conference on the Physics of Semiconductors, Zurich, Switzerland, 29 July – 3 August 2012 (oral). [Abstract] [Talk]

  25. N. Paradiso, S. Heun, S. Roddaro, G. Biasiol, L. Sorba, L. N. Pfeiffer, K. W. West, and F. Beltram: Scanning gate microscopy imaging of fractional incompressible stripes in integer quantum Hall channels, 7th International Workshop on Nano-scale Spectroscopy and Nanotechnology, Zurich, Switzerland, 2 – 6 July 2012 (oral). [Abstract] [Talk]

  26. S. Heun: Graphene as a medium for hydrogen storage, First Scientific Meeting of COST Action 1103, Rome, Italy, 13 – 15 February 2012 (oral). [Talk]

  27. N. Paradiso, S. Heun, S. Roddaro, D. Venturelli, F. Taddei, V. Giovannetti, R. Fazio, G. Biasiol, L. Sorba, and F. Beltram: Spatially resolved analysis of edge-channel equilibration in quantum Hall circuits, Workshop on Entanglement in solid state systems, Lecce, Italy, 20 – 22 September 2011 (oral). [Abstract] [Talk]

  28. N. Paradiso, S. Heun, S. Roddaro, G. Biasiol, L. Sorba, and F. Beltram: Spectral analysis of inter-channel scattering in the QH regime, 4th International Workshop on Emergent Phenomena in Quantum Hall Systems, Beijing, China, 23 – 26 June 2011 (poster). [Abstract] [Lightening Talk] [Poster]

  29. S. Heun: Graphene as a medium for hydrogen storage, Workshop DMD “Atom-based nanotechnology”, Florence, Italy, 19 January 2011 (oral). [Talk]

  30. N. Paradiso, S. Heun, S. Roddaro, D. Venturelli, F. Taddei, V. Giovannetti, R. Fazio, G. Biasiol, L. Sorba, and F. Beltram: Equilibration of integer quantum Hall edge channels studied by scanning gate microscopy, The 6th International Workshop on Nano-scale Spectroscopy and Nanotechnology, Kobe, Japan, 25 – 29 October 2010 (oral). [Abstract] [Talk]

  31. N. Paradiso, S. Heun, S. Roddaro, D. Venturelli, F. Taddei, V. Giovannetti, R. Fazio, G. Biasiol, L. Sorba, and F. Beltram: Equilibration of integer quantum Hall edge channels studied by scanning gate microscopy, 30th International Conference on the Physics of Semiconductors (ICPS-30), COEX, Seoul, Corea, 25 – 30 July 2010 (poster). [Abstract] [Poster]

  32. V. Baranwal, G. Biasiol, S. Heun, A. Locatelli, T. O. Mentes, M. N. Orti, and L. Sorba: Kinetics of the evolution of InAs/GaAs quantum dots to quantum rings, 30th International Conference on the Physics of Semiconductors (ICPS-30), COEX, Seoul, Corea, 25 – 30 July 2010 (oral). [Abstract] [Talk]

  33. N. Paradiso, S. Heun, S. Roddaro, L. N. Pfeiffer, K. W. West, and F. Beltram: Selective control of edge channel trajectories by SGM, 18th International Conference on Electronic Properties of Two-Dimensional Systems EP2DS-18, Kobe, Japan, 19 – 24 July 2009 (poster). [Abstract] [Poster]

  34. S. Heun, G. Biasiol, R. Magri, A. Locatelli, T. O. Mentes, and L. Sorba: Surface compositional profiles of In(Ga)As quantum rings on GaAs(001), 22nd General Conference of the Condensed Matter Division of the European Physical Society, Rome, Italy, 25 – 29 August 2008 (oral). [Abstract] [Talk]

  35. S. Heun, G. Biasiol, R. Magri, A. Locatelli, T. O. Mentes, and L. Sorba: Surface compositional profiles of InAs/GaAs quantum rings, NSS5, Athens, Ohio, USA, 15 – 19 July 2008 (oral). [Abstract] [Talk]

  36. S. Heun, G. Biasiol, G. B. Golinelli, V. Grillo, E. Carlino, L. Sorba, F. Ratto, F. Rosei, S. Kharrazi, S. Ashtaputre, S. K. Kulkarni, S. Fontana, A. Locatelli, T. O. Mentes, and F. Z. Guo: Compositional mapping of semiconductor quantum dots by x-ray microscopy, Workshop of the INTERREG IIIA SLO-ITA project, Trieste, Italy, 23 – 24 October 2006 (oral). [Abstract] [Talk]

  37. S. Heun, G. Biasiol, G. B. Golinelli, A. Locatelli, T. O. Mentes, F. Z. Guo, V. Grillo, E. Carlino, C. Hofer, C. Teichert, and L. Sorba: Surface composition mapping of semiconductor quantum dots, 4th International Workshop on Nanoscale Spectroscopy and Nanotechnology, Rathen, Germany, 17 – 21 September 2006 (oral). [Abstract] [Talk]

  38. S. Heun, F. Ratto, F. Rosei, A. Locatelli, S. Cherifi, S. Fontana, P.-D. Szkutnik, A. Sgarlata, M. De Crescenzi, and N. Motta: Composition of Ge(Si) islands in the growth of Ge on Si(111) by x-ray spectromicroscopy, DPG Fruehjahrstagung and EPS-CMD conference, Dresden, Germany, 27 – 31 March 2006 (poster). [Abstract] [Poster]

  39. S. Heun, G. Biasiol, G. B. Golinelli, A. Locatelli, T. O. Mentes, F. Z. Guo, C. Hofer, C. Teichert, and L. Sorba: Surface concentration mapping of InAs/GaAs quantum dots, DPG Fruehjahrstagung and EPS-CMD conference, Dresden, Germany, 27 – 31 March 2006 (oral). [Abstract] [Talk]

  40. S. Heun, G. Mori, M. Lazzarino, D. Ercolani, G. Biasiol, A. Locatelli, and L. Sorba: Evidence for material mixing during local anodic oxidation nanolithography, SILS 2005, Modena, Italy, 7 – 9 July 2005 (oral). [Abstract] [Talk]

  41. S. Heun, G. Mori, D. Ercolani, M. Lazzarino, A. Locatelli, and L. Sorba: Spectroscopic investigation of oxide nanostructures fabricated by local anodic oxidation, The Third International Workshop on Nanometer Scale Spectroscopy and Nanotechnology, College Park, Maryland, USA, 10 – 14 December 2004 (oral). [Abstract] [Talk]

  42. S. Heun, S. Kremmer, H. Wurmbauer, S. Peißl, and C. Teichert: LEEM and XPEEM studies of C-AFM induced surface modifications of thermally grown SiO2, 14th International Conference on Vacuum Ultraviolet Radiation Physics, Cairns, Australia, 19 – 23 July 2004 (poster). [Abstract] [Poster]

  43. S. Heun, D. Ercolani, G. Mori, M. Lazzarino, B. Ressel, A. Locatelli, S. Cherifi, A. Ballestrazzi, and L. Sorba: Chemical characterization of AFM-defined nanostructures, Thin Films 2004 & Nanotech 2004, Singapore, 13 – 17 July 2004 (oral). [Abstract] [Talk]

  44. S. Heun, L. Gregoratti, A. Barinov, B. Kaulich, M. Rudolf, M. Lazzarino, G. Biasiol, B. Bonanni, and L. Sorba: Morphology and chemistry of S-treated GaAs(001) surfaces, E-MRS 2002 Spring Meeting, Strasbourg, France, 18 – 21 June 2002 (poster). [Abstract]

  45. S. Heun, B. Ressel, Th. Schmidt, Y. Watanabe, and D. Bottomley: Photoelectron spectroscopy from individual heteroepitaxial nanocrystals on GaAs(001), E-MRS 2002 Spring Meeting, Strasbourg, France, 18 – 21 June 2002 (poster). [Abstract]

  46. S. Suzuki, Y. Watanabe, T. Ogino, S. Heun, L. Gregoratti, A. Barinov, B. Kaulich, M. Kiskinova, W. Zhu, C. Bower, amd O. Zhou: Electronic structure of carbon nanotubes studied by photoemission microscopy, Ninth Elettra Users’ Meeting, Trieste, Italy, 3 – 4 December 2001 (oral). [Abstract] [Talk]

  47. S. Heun, M. Rudolf, M. Lazzarino, G. Biasiol, B. Bonanni, L. Gregoratti, A. Barinov, B. Kaulich, and L. Sorba: Morphology and chemistry of S-treated GaAs(001) surfaces, VUV 13, Trieste, Italy, 23 – 27 July 2001 (poster). [Abstract] [Poster]

  48. S. Heun, M. Rudolf, M. Lazzarino, G. Biasiol, B. Bonanni, L. Gregoratti, A. Barinov, B. Kaulich, and L. Sorba: Morphology and chemistry of S-treated GaAs(001) surfaces, INFM Meeting, Rome, Italy, 18 – 22 June 2001 (poster). [Abstract] [Poster]

  49. S. Heun, Y. Watanabe, B. Ressel, D. Bottomley, Th. Schmidt, and K. C. Prince: Core level photoelectron spectroscopy from individual heteroepitaxial nanocrystals on GaAs(001), Elettra Users’ Meeting, Trieste, Italy, 4 – 5 December 2000 (poster). [Abstract] [Poster]

  50. S. Heun, Th. Schmidt, B. Ressel, F.-J. Meyer zu Heringdorf, P. Zahl, R. Hild, M. Horn-von-Hoegen, and E. Bauer: Au-induced giant faceting of vicinal Si(001): a template for the growth of nanowires, INFM meeting, Genova, Italy, 12 – 16 June 2000 (poster). [Abstract] [Poster]

  51. S. Heun, Y. Watanabe, B. Ressel, Th. Schmidt, and K. C. Prince: Nanospectroscopy of self-organized InAs nanocrystals, CMD-EPS conference, Montreux, Switzerland, 13 -17 March 2000 (poster). [Abstract]

  52. S. Heun, B. Ressel, Th. Schmidt, K. C. Prince, and Y. Watanabe: Nanospectroscopy of self-organized InAs nanocrystals, Elettra Users’ Meeting, Trieste, Italy, 29 – 30 November 1999 (poster). [Abstract]

  53. S. Heun, Y. Watanabe, B. Ressel, Th. Schmidt, E. Bauer, and K. C. Prince: Spectromicroscopic measurements of self-organized InAs nanocrystals, X99 conference, Chicago (IL), USA, 23 – 27 August 1999 (poster). [Abstract] [Poster]

  54. S. Heun, Y. Watanabe, Th. Schmidt, E. Bauer, and K. C. Prince: Spectroscopic and microscopic measurements of self-organized InAs nanocrystals, INFM meeting, Catania, Italy, 14.-18.06.1999 (oral). [Abstract]

  55. S. Heun, Th. Schmidt, K. C. Prince, and Y. Watanabe: Spectroscopic and microscopic measurements of self-organized InAs nanocrystals, Spring conference of the German physical society, Muenster, Germany, 22 – 26 March 1999 (oral). [Abstract]

  56. S. Heun, Th. Schmidt, J. Slezak, J. Diaz, K. C. Prince, B. Mueller, and A. Franciosi: Lateral inhomogeneities in engineered Schottky barriers, 6th International Elettra Users’ Meeting, Trieste, Italy, 30 November – 1 December 1998 (poster). [Abstract] [Poster]

  57. S. Heun, T. Schmidt, J. Slezak, J. Diaz, K. C. Prince, B. Mueller, and A. Franciosi: Lateral inhomogeneities in engineered Schottky barriers, 10th International Conference on Molecular Beam Epitaxy, Cannes, France, 31 August – 4 September 1998 (poster). [Abstract]

  58. S. Heun, Th. Schmidt, K. C. Prince, E. Bauer, B. Müller, and A. Franciosi: The SPELEEM at ELETTRA: Recent achievements, INFMeeting, Rimini, Italy, 25 – 30 June 1998 (poster). [Abstract]

  59. S. Heun, Th. Schmidt, J. Slezak, J. Diaz, K. C. Prince, B. Müller, and A. Franciosi: Microscopic-scale lateral inhomogeneities in Schottky barriers, Frühjahrstagung der Deutschen Physikalischen Gesellschaft, Regensburg, Germany, 23 – 27 March 1998 (poster). [Abstract] [Poster]

  60. S. Heun, Th. Schmidt, J. Slezak, J. Diaz, K. C. Prince, G. Lilienkamp, and E. Bauer: The SPELEEM at ELETTRA: A new instrument for spectromicroscopy, 22nd Annual Meeting on Advances in Surface and Interface Physics, Modena, Italy, 17 – 19 December 1997 (poster). [Abstract]

  61. S. Heun, J. J. Paggel, L. Sorba, S. Rubini, A. Bonanni, R. Lantier, M. Lazzarino, A. Franciosi, J.-M. Bonard, J.-D. Ganiere, Y. Zhuang, and G. Bauer: Strain and surface morphology in ZnSe/In0.04Ga0.96As/GaAs(001) heterostructures, US Japan Seminar on Surface Dynamics and Structures in Epitaxial Growth, Nagoya, Japan, 23 – 27 March 1997 (oral). [Abstract]

  62. S. Heun, J. Paggel, L. Sorba, S. Rubini, A. Franciosi, J.-M. Bonard, and J.-D. Ganiere: Stacking fault density and local interface composition in II-VI/III-V heterostructures, DPG Fruehjahrstagung, Muenster, Germany, 17 – 21 March 1997 (poster). [Abstract]

  63. S. Heun, J. J. Paggel, L. Sorba, S. Rubini, A. Franciosi, J.-M. Bonard, and J.-D. Ganiere: Stacking fault density and local interface composition in II-VI/III-V heterostructures, SEmiconduttori-ISolanti SEIS 97, Trento, Italy, 27 – 30 January 1997 (oral). [Abstract]

  64. S. Heun, J. Paggel, S. Rubini, and A. Franciosi: Zn adsorption on GaAs(100)2×4, DPG Fruehjahrstagung, Regensburg, Germany, 25 – 29 March 1996 (poster). [Abstract]

  65. S. Heun, J. J. Paggel, S. Rubini, and A. Franciosi: The influence of Zn predeposition on the properties of ZnSe/GaAs heterostructures, 20th Annual Meeting on Advances in Surface and Interface Physics, Modena, Italy, 18 – 20 December 1995 (oral). [Abstract] [Talk]

  66. S. Heun, M. Sugiyama, S. Maeyama, Y. Watanabe, and M. Oshima: Electronic and structural properties of thin SrF2 films on InP, 7th International Conference on Indium Phosphide and Related Materials, Sapporo, Japan, 9 – 13 May 1995 (poster). [Abstract]

  67. S. Heun, M. Sugiyama, S. Maeyama, Y. Watanabe, and M. Oshima: The initial stages of the growth of SrF2 on InP, Italian Crystal Growth conference, Brindisi, Italy, 15 – 17 March 1995 (poster). [Abstract]

  68. S. Heun, M. Sugiyama, S. Maeyama, Y. Watanabe, and M. Oshima: SR measurements on SrF2 thin films deposited on InP(111), 8th Annual Meeting of the Japanese Synchrotron Radiation Society, Tsukuba, Japan, 10 – 13 January 1995 (poster). [Abstract]

  69. S. Heun, M. Sugiyama, S. Maeyama, Y. Watanabe, and M. Oshima: Morphology of thin SrF2 films on InP(111) as studied by RHEED, 8. International Conference on Molecular Beam Epitaxy, Osaka, Japan, 29 August – 2 September 1994 (oral). [Abstract]

  70. S. Heun, M. Sugiyama, S. Maeyama, Y. Watanabe, and M. Oshima: Control of epitaxial SrF2 film morphology by atomically modified InP(100), AtomicLayerEpitaxy and Related Surface Processes (ALE-3), Sendai, Japan, 25 – 27 May 1994 (oral). [Abstract] [Talk]

  71. S. Heun, M. Sugiyama, S. Maeyama, Y. Watanabe, and M. Oshima: The growth of SrF2 on InP(100), 7th Annual Meeting of the Japanese Synchrotron Radiation Society and Asian Forum on Synchrotron Radiation, Kobe, Japan, 11 – 13 May 1994 (poster). [Abstract]

  72. S. Heun, M. Kennedy, and M. Henzler: DC-conductivity of ultrathin epitaxial films of Ag, Pb and Au on Si(111), 13th General Conference of the Condensed Matter Division of the European Physical Society, Regensburg, Germany, 29 March – 2 April 1993 (poster). [Abstract]

  73. S. Heun, J. Bange, R. Schad and M. Henzler: Leitfaehigkeitsmessungen an einer Monolage Silber auf Si(111)-7×7, DPG Fruehjahrstagung, Regensburg, Germany, 16 – 20 March 1992 (poster). [Abstract]

  74. S. Heun, J. Falta und M. Henzler: SPA-LEED Untersuchungen der Startphase der Silicium MBE auf Si(100)2×1, DPG Fruehjahrstagung, Regensburg, Germany, 26 – 30 March 1990 (oral). [Abstract] [Talk]