Persönliches Physiker Geburtstag 6. Oktober 1962 Adresse Klagenfurter Str. 2 D-28359 Bremen Tel.: 0421 - 218 58002 Direktor BIAS - Bremer Institut für angewandte Strahltechnik Professor Universität Bremen Fachbereich Physik und Elektrotechnik

Videoportrait

Mitgliedschaften

• DHV (Deutscher Hochschulverband)
• DPG (Deutsche Physikalische Gesellschaft)
• EOS (European Optical Society)
• EPoSS (European Technology Platform on Smart Systems Integration)
• ISIS Sensorial Materials Scientific Center
• MCB (Micro Electronic Center Bremen)
• OSA (Optical Society of America)
• PHOTONICS21 (WG 5 und WG 6)
• SPIE (The International Society for Optical Engineering)
• Technologiepark Uni Bremen e.V.
• VDE/VDI GMM - Gesellschaft Mikroelektronik, Mikrosystem- und Feinwerktechnik,
  Fachausschuss Mikrooptik
• WLT (Wissenschaftliche Gesellschaft Lasertechnik e.V.)

Weitere Tätigkeiten

• Associate Editor of Advances in OptoElectronics
• Juror Bundeswettbewerb Jugend forscht,
  Fachgebiet Physik
• Member of the EOS Board
• Member of the EOS Executive Committee
  
• Section Editor "Integrated Optics and Micro-Photonics" des Journal of the European Optical Society : Rapid Publications (JEOS:RP)

Beruflicher Werdegang

Bücher und Buchbeiträge

"Methoden der zerstörungsfreien Prüfung"
Ralf B. Bergmann und Erich Zabler, in: Handbuch der Mess- und Automatisierungstechnik in der Produktion. Hrsg.: H. J. Gevatter, U. Grünhaupt, (Springer, Berlin, 2006), S. 363 - 410

"Interferometrische Submikrometer-Messtechnik in der Automobilindustrie"
Ralf B. Bergmann, Pawel Drabarek, Ulrich Kallmann, Bernd Schmidtke und Jürgen Bauer,
Kap. 5.9 – 5.11; in: Photonik – Grundlagen, Technologie  und Anwendung,
Hrsg.: E. Hering, R. Martin (Springer, Berlin, 2006), S. 263 - 281

"Growth, characterization and electronic applications of Si-based thin films"
Volume Editor: Ralf B. Bergmann (Research Signpost, Trivandrum, India, 2002)

"The Challenge of Crystalline Thin Film Silicon Solar Cells"
J. H. Werner, R. Bergmann, and R. Brendel, in: Festkörperprobleme / Advances in Solid State Physics, Vol 34, Ed.: R. Helbig (Vieweg, Braunschweig, 1994), p. 115 -146

Publikationen

2011
"Wear recording at micro deep drawing tools with comparative digital holography", S. Huferath-von Lüpke, P. Huke, C. von Kopylow, Ralf B. Bergmann, Proceedings 1st EOS Topical Meeting on Micro- and Nano-Optoelectronic systems, 7.-9.12.2011, Bremen (CD-ROM), ISBN 978-3-00-033711-6 (2011)

"Novel concept for three-dimensional polymer waveguides", M. Schröder, V. V. Parsi Sreenivas, C. von Kopylow, Ralf B. Bergmann, Proceedings 1st EOS Topical Meeting on Micro- and Nano-Optoelectronic systems, 7.-9.12.2011, Bremen (CD-ROM), ISBN 978-3-00-033711-6 (2011)

"Novel three-dimensional Polymer Waveguides for Optical on-Chip Interconnects", M. Bülters, M. Schröder, C. von Kopylow, Ralf B. Bergmann, Proceedings 1st EOS Topical Meeting on Micro- and Nano-Optoelectronic systems, 7.-9.12.2011, Bremen (CD-ROM), ISBN 978-3-00-033711-6 (2011)

"Nanosized subsurface modification of mono-crystalline Silicon via non-linear absorbtion", V. V. Parsi Sreenivas, M. Bülters, C. von Kopylow, Ralf B. Bergmann, Proceedings 1st EOS Topical Meeting on Micro- and Nano-Optoelectronic systems, 7.-9.12.2011, Bremen (CD-ROM), ISBN 978-3-00-033711-6 (2011)

"Automated compensation of misalignment in phase retrieval based on a spatial light modulator", M. Agour, C. Falldorf, C. von Kopylow, Ralf B. Bergmann, Applied Optics 50, pp. 4779-4787 (2011)

"The effect of misalignment in phase retrieval based on a spatial light modulator", M. Agour, C. Falldorf, C. von Kopylow, Ralf B. Bergmann, Proceedings SPIE Optical Metrology Munich - Optical Measurement Systems for industrial inspection, Vol. 8082, ed.: SPIE, p. 80820M-1: 80820M-10 (2011)

"Schnelle 3D-Formerfassung von Mikrotiefziehbauteilen mittels digitaler Holografie"
N. Wang, C. von Kopylow, C. Falldorf, Ralf B. Bergmann, Photonik 4/ 2011, S. 40-42 (2011)

"Assessment of Digital Holography for 3D-Shape Measurement of Micro Deep Drawing Parts in comparison to Confocal Microscopy"
N. Wang, C. Falldorf, C. von Kopylow and Ralf B. Bergmann, MEMS and Nanotechnology, Vol. 4: Proceedings of the 2011 Annual Conference Proceedings of the Society for Experimental Mechanics (SEM), Ed.: Tom Proulx, Springer, Berlin (2011)

"Development of the Grain Size Distribution During the Crystallization of an Amorphous Solid"
A. Bill, Ralf B. Bergmann, Mater. Res. Soc. Symp. Proc. Vol. 1308, 2011 Materials Research Society, DOI: 10.1557/opl.2011.506 (2011)

"Contactless Defect Detection using Optical Methods for Non Destructive Testing NdT"
Ph. Huke, O. Focke, C. Falldorf, C. von Kopylow, Ralf B. Bergmann, Proceedings of the 2nd Symposium on NDT in Aerospace 2010 (CD-ROM), (2011)

2010
"Resolution Enhancement by Time-multiplexed Acquisition of Sub-Pixel Shifted Images Employing a Spatial Light Modulator"
A. Hildebrand, C. Falldorf, C. von Kopylow, Ralf B. Bergmann, Proceedings International Symposium on Optomechatronic Technologies (ISOT 2010), eds.: F. Janabi-Sharifi and J. Kofman, IEEE (2010), pp. 1-6, DOI: 10.1109/ISOT.2010.5687353 (CD-ROM)

"Measurement of Thermally induced Deformations by means of Phase Retrieval"
C. Falldorf, M. Agour, C. von Kopylow, Ralf B. Bergmann, Proceedings International Symposium on Optomechatronic Technologies (ISOT 2010), eds.: F. Janabi-Sharifi and J. Kofman, IEEE (2010), pp. 1-5, DOI: 10.1109/ISOT.2010.5687376 (CD-ROM)

"Liquid Crystal Spatial Light Modulators in Optical Metrology"
C. Falldorf, C. von Kopylow, Ralf B. Bergmann, Invited Paper, Information Optics (WIO), 2010  9th Euro-American Workshop on Information Optics, Helsinki, eds.: T. J. Naughton, B. Javidi, IEEE (2010), pp. 1-3, DOI: 10.1109/WIO.2010.5582527 (CD-ROM)

"Vision ray calibration for the quantitative geometric description of general imaging and projection optics in metrology"
Th. Bothe, W. Li, M. Schulte, C. von Kopylow, R. B. Bergmann, W. P. O. Jüptner, Applied Optics 49, pp 5851-5860 (2010)

"Optical metrology and optical non-destructive testing from the perspective of object characteristics"
Ralf B. Bergmann, Invited Paper, Proceedings SPIE Interferometry XV: Applications, Vol. 7791, p. 1-15, Bellingham, WA., USA

"Grain size distribution in crystallization processes with anisotropic growth rate"
Andreas Bill, K. S. Lokovic, Ralf B. Bergmann, MRS Spring Meeting, Symposium A, Vol. 1245 (2010), 1245-A16-07 (online)

"Time evolution of the grain size distributions in random nucleation and growth crystallization
processes"
Anthony V. Teran, Andreas Bill, Ralf B. Bergmann. Physical Review B 81(2010) 075319-1-19

"Design of an Optical Sytem for Phase Retrieval based on a Spatial Light Modulator"
C. Falldorf, M. Agour, C. von Kopylow, Ralf B. Bergmann, in: Proceedings on "Advanced Phase Measurement Methods in Optics and Imaging", Locarno, Switzerland (2010), p. 259-264

"Digital Alignment of a reconstructed Hologram with an object for Measurement of Deterioration of Tools"
S. Huferath-von Lüpke, T. Baumbach, E. Kolenovic, C. Falldorf, C. v. Kopylow, Ralf B. Bergmann, Proceedings 36th Internat. MATADOR Conference 2010, eds.: S. Hinduja, L. Li, Springer Verlag London (2010), p. 331-334

"Modeling of the optical behavior of diamond turned holograms"
C. Dankwart, C. Falldorf, C. von Kopylow, Ralf B. Bergmann, in: Proceedings EOS Topial Meeting on Diffractive Optics 2010-EOS 2010 (CD-ROM)

"Phase Retrieval by means of a spatial Light Modulator in the Fourier Domain of an Imaging System"
C. Falldorf, M. Agour, C. von Kopylow, Ralf B. Bergmann. Applied Optics 49 (2010), p. 1826-1830

"Design of a diamond turned hologram incorporating properties of the fabrication process"
C. Dankwart, C. Falldorf, R. Gläbe, B. Lünemann, C. von Kopylow, Ralf B. Bergmann, Applied Optics 49 (2010), 4949-4955

2009
"Measurement of Optical Components"
Ralf B. Bergmann, Th. Bothe, C. Falldorf, C. von Kopylow, in: Proc. Internat. Molded Optics Conference 2009 (iMOC 2009)
 
"Modeling the Grain Size Distribution during Solid Phase Crystallization of Silicon"
Andreas Bill, Anthony V. Teran, Ralf B. Bergmann. Mater. Res. Soc. Symp. Proc. Vol. 1153 (Materials Research Society, 2009), 1153-A05-03

"Holographic projection based on Diamond Turned Diffractive Optical Elements"
C. Falldorf, C. Dankwart, R. Gläbe, B. Lünemann, C. von Kopylow, Ralf B. Bergmann. Applied Optics 48 (2009), p. 5782-5785

"Modeling the Grain Size Distribution during Solid Phase Crystallization of Silicon"
A. Bill, Anthony V. Teran, Ralf B. Bergmann. Mater. Res. Soc. Symp. Proc. 1153 (Materials Research Society) (2009), 1153-A05-03

"The Fringe Reflection Technique for Lens Inspection and Specular Freeform Measurement"
T. Bothe, W. Li, C. von Kopylow, Ralf B. Bergmann, in: MAFO Ophthalmic Labs & Industry 5 (2009), p. 38-42

"Lateral Shearing Interferometer based on a Spatial Light Modulator in the Fourier Plane"
C. Falldorf, R. Klattenhoff, A. Gesierich, C. von Kopylow, R. B. Bergmann, in: Proc. FRINGE 2009 - The 6th International Workshop on Advanced Optical Metrology, p. 93 - 98 (2009)

2008
"On the origin of logarithmic-normal distributions: An analytical derivation, and its application to nucleation and growth processes"
Ralf B. Bergmann, Andreas Bill, J. Crystal Growth 310/13, 3135-3138 (2008)

"On the logarithmic-normal distribution in nucleation and growth processes"
Andreas Bill, Anthony Teran, Ralf B. Bergmann, APS-Spring Meeting 2008, Abstract only

2006
"Non-Destructive Testing in the Automotive Supply Industry - Requirements, Trends and Examples Using X-ray CT" (invited paper)
Ralf B. Bergmann, Florian T. Bessler and Walter Bauer, in: 9th Europ. Conf. for Non-Destructive Testing, Berlin, September 25 – 29, 2006, DGZFP Proceedings BB 103-CD, Th.1.6.1

"Methoden der zerstörungsfreien Prüfung"
Ralf B. Bergmann und Erich Zabler, in: Handbuch der Mess- und Automatisierungstechnik in der Produktion. Hrsg.: H.J. Gevatter, U. Grünhaupt, (Springer, Berlin, 2006), S. 363 - 410

"Interferometrische Submikrometer-Messtechnik in der Automobilindustrie"
Ralf B. Bergmann, Pawel Drabarek, Ulrich Kallmann, Bernd Schmidtke und Jürgen Bauer, in: Photonik – Grundlagen, Technologie und Anwendung, Hrsg.: E. Hering, R. Martin (Springer, Berlin, 2006), S. 263 – 281

2004
"Computer tomography for non-destructive testing in the automotive industry"
Walter Bauer, Florian T. Bessler, Erich Zabler and Ralf B. Bergmann, in: SPIE Conference, Denver, USA, August 2004, Session 12, Materials Research II, Talk No. 5535-50

2003
"Röntgen-Computertomographie in der industriellen Fertigung – Anwendungen und Entwicklungsziele"
E. Zabler, M. Rosenberger-Koch und R. B. Bergmann, in Jahrestagung der Dt. Gesellschaft für zerstörungsfreie Prüfung (DGZFP), Tagungsband auf CD-ROM (DGZFP, 2003), V 17

"Low-temperature epitaxy on polycrystalline silicon substrates"
T. A. Wagner, L. Oberbeck, R. B. Bergmann, M. Nerding, H. P. Strunk and J. H. Werner, Solid State Phenomena 93, 121 (2003)

"Single to polycrystalline transition in silicon growth by ion assisted deposition at low temperatures"
M. Nerding, L. Oberbeck, T. A. Wagner, R. B. Bergmann and H. P. Strunk, J. Applied Physics 93, 2570 (2003)

2002
"Development Aim: Zero-Defect Quality" bzw. "Entwicklungsziel: Null-Fehler-Qualität"
R. B. Bergmann, Ed., Bosch Research Info 3/2002

"Growth, characterization and electronic applications of Si-based thin films"
Volume Editor: Ralf B. Bergmann (Research Signpost, Trivandrum, India, 2002).
Contributions:
"Thin film transistors for flexible electronics" by S. Wagner, H. Gleskova, I. Chun Cheng and M. Wu;
"Nucleation and growth dynamics in polycrystalline Si (SiGe) thin films formation" by H. Kumomi;
"Laser crystallization of Si and SiGe films" by J. R. Köhler;
"Solid phase crystallization of Si and Ge:" by H. Atwater and C. M. Chen;
"Zone melting recrystallization of Si films for solar cells" by T. Ishihara;
"Thin film Si-based opto¬electronics" by S. Pizzini and S. Binetti;
"Low temperature epitaxial growth of Si and SiGe films" by L. Oberbeck;
"High temperature deposition and epitaxy of Si and SiGe" by A. Slaoui, J. Poortmans and M. Caymax;
"Transfer of monocrystalline Si films for thin film solar cells" K. J. Weber, M. Stocks, A. W. Blakers and M. McCann;
"Transfer of monocrystalline Si films for silicon on insulator devices" N. Sato, K. Ohmi, and T. Yonehara;
"Thin semiconductor films: Future trends" by H.-J. Queisser

"Advances in Monocrystalline Si Thin Film Solar Cells by Layer Transfer",
R. B. Bergmann, C. Berge, T. J. Rinke, J. Schmidt, and J. H. Werner,
Solar Energy Materials & Solar Cells 74, 213 (2002)

"The Future of Crystalline Silicon Films on Foreign Substrates"
R. B. Bergmann and J. H. Werner, Thin Solid Films 403-404, 162-169 (2002)

"Optimization and characterization of amorphous/crystalline silicon heterojunction solar cells"
N. Jensen, R. M. Hausner, R. B. Bergmann, J. H. Werner, and U. Rau, Prog. Photovolt. Res. & Appl. 10, 1-13 (2002)

"Low temperature epitaxial Silicon films deposited by ion-assisted deposition"
T. A. Wagner, L. Oberbeck, and R. B. Bergmann, Mat. Sci. Eng. B 89, 319 (2002)

"Monocrystalline Si Thin Film Solar Cells by Layer Transfer"
C. Berge, R. B. Bergmann, T. J. Rinke, and J. H. Werner, in Proc. 17th Europ. Photov. Solar Energy Conf., B. McNelis, W. Palz, H. A. Ossenbrink, and P. Helm, Eds. (WIP Munich, Germany, 2002), p. 1277

"Application of plasma silicon nitride to crystalline thin-film silicon solar cells"
J. Schmidt, L. Oberbeck, T. J. Rinke, C. Berge, R. B. Bergmann, in Proc. 17th Europ. Photov. Solar Energy Conf., B. McNelis, W. Palz, H. A. Ossenbrink, and P. Helm, Eds. (WIP Munich, Germany, 2002), p. 1351

2001
"High rate deposition of epitaxial layers for efficient low temperature thin film epitaxial silicon solar cells"
L. Oberbeck, J. Schmidt, T. Wagner, and R. Bergmann, Prog. Photovolt. Res. Appl. 9, 333 (2001)

"Orientation-Dependence of Low Temperature Epitaxiasl Silicon Growth"
T. A. Wagner, L. Oberbeck, M. Nerding, H. P. Strunk and R. B. Bergmann,
Mat. Res. Soc. Symp. Proc. 664, A22.3 (2001)

"Crystalline Silicon Thin Film Solar Cells"
Jürgen H. Werner and Ralf B. Bergmann, in Techn. Digest 12th Int. Photovolt. Science and Engineering Conf. (Kyung Hee Information Printing, Seoul, 2001), p. 69

"Monocrystalline Si Films from Transfer Processes for Thin Film Devices"
Ralf B. Bergmann, Christopher Berge, Titus J. Rinke, and Jürgen H. Werner,
Mat. Res. Soc. Symp. Proc. 685E, D2.1 (2001)

"Intra grain defects – limiting factor for low temperature polycrystalline silicon films"
T. A. Wagner, L. Oberbeck, R. B. Bergmann, J. H. Werner, Solid State Phenom. 80-81, 95 (2001)

"High-quality and low-temperature epitaxial Si films deposited at very high deposition rate"
R. B. Bergmann, L. Oberbeck, and T. A. Wagner, J. Crystal Growth 225, 335 (2001)

"From polycrystalline to single crystalline silicon on glass"
J. H. Werner, R. Dassow, T. J. Rinke, J. R. Köhler, and R. B. Bergmann, Thin Solid Films 383, 95(2001)

"Thin film solar cells on glass based on the transfer of monocrystalline Si films"
R. B. Bergmann, T. J. Rinke, T. A. Wagner, and J. H. Werner, Solar Energy Materials & Solar Cells 65, 355 (2001)

2000
"Ion-assisted deposition of silicon epitaxial films with high deposition rate using low energy silicon ions"
Lars Oberbeck, Thomas A. Wagner, and Ralf B. Bergmann, Mat. Res. Soc Symp. Proc. 609, A7.1.1 (2000)

"Ions allow silicon growth to keep its cool"
L. Oberbeck and R. B. Bergmann, Vacuum Solutions 18, 31 (2000)

"Efficient thin film solar cells by transfer of monocrystalline Si layers"
T. J. Rinke, R. B. Bergmann and J. H. Werner, in: Proc. 16th European Photovoltais Solar Energy Conference, Eds.: H. Scheer, B. McNelis, W. Palz, H. A. Ossenbrink and P. Helm (James & James Science Publishers Ltd., London, 2000), p. 1128

"Perspectives of crystalline Si thin film solar cells: A new era of thin monocrystalline Si-films?"
R. B. Bergmann and T. R. Rinke, Prog. Photovolt.: Res. Appl. 8, 451 (2000)

"Solarzellen und Mikrochips von morgen"
R. B. Bergmann, T. J. Rinke and J. H. Werner, Physikalische Blätter, Vol. 56, Nr. 9, 51 (2000)

"Monocrystalline Si thin film solar cells: A new era for thin film photovoltaics?"
R. B. Bergmann, T. J. Rinke, and J. H. Werner, in 10th Workshop on Crystalline Silicon Solar Cell Materials and Processes, Ed. B. L. Sopori (NREL, Golden Colorado, 2000), p. 125

"Electronic properties of silicon epitaxial layers deposited by ion-assisted deposition at low temparatures"
L. Oberbeck and R. B. Bergmann, J. Appl. Phys. 88, 3015 (2000)

"Structure and properties of quasi-monocrystalline Si thin films"
T. J. Rinke, R. B. Bergmann, and J. H. Werner, Mat. Res. Soc. Symp. Proc. 558, 251 (2000)

"Recombination mechanisms in amorphous silicon/crystalline silicon heterojunction solar cells"
N. Jensen, U. Rau, R. M. Hausner, S. Uppal, L. Oberbeck, R. B. Bergmann and J. H. Werner, J. Appl. Phys. 87, 2639 (2000)

"Low-temperature processing of crystalline Si films on glass for electronic applications"
R. B. Bergmann, T. J. Rinke, L. Oberbeck, and R. Dassow, in: Perspectives, Science and Technologies for Novel Silicon on Insulator Devices, Eds.: P. L. F. Hemment, V. S. Lysenko and A. N. Nazarov, NATO Science Series 3. High Technology – Vol. 73 (Kluwer Academic Publishers, Dordrecht, 2000), p. 109

1999
"Perspectives of Crystalline Silicon Thin Film Solar Cells"
J. H. Werner and R. B. Bergmann, in: Technicals Digest 11th Intern. Photov. Science and Engin. Conf., Sapporo (Tokyo University of Agriculture & Technology, Tokyo, 1999), p. 923

"Crystalline Si Films on Foreign Substrates for Electronic Applications"
R. B. Bergmann, in: Recent Res. Devel. Crystal Growth Res. 1, 241 (1999)

"Material Aspects of Crystalline Silicon Thin Film Solar Cells on Glass"
R. B. Bergmann, in: 9th Workshop on Crystalline Silicon Solar Cell Materials and Processes (NREL, Golden, Colorado, 1999), p. 94

"Thin film solar cells on glass by transfer of monocrystalline Si films"
R. B. Bergmann, T. J. Rinke, R. M. Hausner, M. Grauvogl, M. Vetter, and J. H. Werner, International Journal of Photoenergy 1, 83 (1999)

"Crystalline Si thin film solar cells: A review"
R. B. Bergmann, Applied Physics A 69, 187 (1999)

"Quasi-monocrystalline silicon for thin film devices"
T. J. Rinke, R. B. Bergmann, and J. H. Werner, Applied Physics A 68, 705 (1999)

"Laser-crystallized polycrystalline silicon on glass for photovoltaic applications"
R. Dassow, J. R. Köhler, M. Grauvogl, R. B. Bergmann, and J. H. Werner, Solid State Phenomena 67-68, 193 (1999)

"Low-temperature silicon-epitaxy by ion-assisted deposition"
L. Oberbeck, R. B. Bergmann, N. Jensen, S. Oelting, and J. H. Werner, Solid State Phenomena 67-68, 459 (1999)

"Heterojunctions for polycrystalline silicon solar cells"
R. M. Hausner, N. Jensen, R. B. Bergmann, U. Rau, and J. H. Werner, Solid State Phenomena 67-68, 571 (1999)

"Ultrathin quasi-monocrystalline silicon films for electronic devices"
T. J. Rinke, R. B. Bergmann, R. Brüggemann, and J. H. Werner, Solid State Phenomena 67-68, 229 (1999)

"Large-grained polycrystalline silicon on glass by copper vapor laser annealing"
J. R. Köhler, R. Dassow, R. B. Bergmann, J. Krinke, H. P. Strunk, and J. H. Werner, Thin Solid Films 337, 129 (1999)

1998
"High rate, low-temperature deposition of crystalline silicon films for thin film solar cells on glass"
R. B. Bergmann, R. M. Hausner, N. Jensen, M. Grauvogl, L. Oberbeck, T. Rinke, M. B. Schubert, Ch. Zaczek, R. Dassow, J. R. Köhler, U. Rau, S. Oelting, J. Krinke, H. P. Strunk, and J. H. Werner, in: Proc. 2nd World Conference on Photovoltaic Energy Conversion, eds: J. Schmid, H. A. Ossenbrink, P. Helm, H. Ehmann, E. D. Dunlop (European Commission Ispra, 1998), p. 1260

"Light trapping and amorphous/crystalline heterojunctions for silicon thin film solar cells on glass"
R. M. Hausner, R. B. Bergmann and J. H. Werner, in: Proc. 2nd World Conference on Photovoltaic Energy Conversion, eds: J. Schmid, H. A. Ossenbrink, P. Helm, H. Ehmann, E. D. Dunlop (European Commission Ispra, 1998), p. 1754

"High resolution ebic imaging of polycrystalline silicon solar cells"
A. B. Sproul, T. Puzzer, and R. B. Bergmann, in: Proc. 2nd World Conference on Photovoltaic Energy Conversion, eds: J. Schmid, H. A. Ossenbrink, P. Helm, H. Ehmann, E. D. Dunlop (European Commission Ispra, 1998), p. 1355

"Low temperature Si-epitaxy with high deposition rate using ion assisted deposition"
R. B. Bergmann, C. Zaczek, N. Jensen, S. Oelting, and J. H. Werner, Applied Physics Letters 72, 2996 (1998)

"Investigations of the growth mechanisms in laser crystallization and laser interference crystallization"
G. Aichmayr, D. Toet, M. Mulato, P. V. Santos, A. Spangenberg, and R. B. Bergmann, J. Non-Crystalline Solids 227/230, 921 (1998)

"Nucleation and Growth of Crystalline Silicon Films on Glass for Solar Cells"
R. B. Bergmann, J. Köhler, R. Dassow, C. Zaczek and J. H. Werner, Physica Status Solidi (a) 166, 587 (1998)

"Non-coarsening origin of log-normal size distributions during crystallization of amorphous films"
R. B. Bergmann, F. G. Shi and J. Krinke, Physical Review Letters 80, 1011 (1998)

"Formation of Semiconductors with Log-Normal Grain Size Distributions"
R. B. Bergmann, F. G. Shi, H. J. Queisser and J. Krinke, Applied Surface Science 123/124, 376 (1998)

"High-efficiency drift-field thin-film silicon solar cells grown on electronically inactive substrates"
G. F. Zheng, W. Zhang, Z. Shi, D. Thorp, R. B. Bergmann, M. A. Green, Solar Energy Materials and Solar Cells 51, 95 (1998)

1997
"Transport analysis for polycrystalline silicon solar cells on glass substrates"
R. Brendel, R. B. Bergmann, B. Fischer, J. Krinke, R. Plieninger, U. Rau, J. Reiß, H. P. Strunk, H. Wanka, and J. H. Werner, in: Proc. 26th Photov. Specialists Conf.,  (IEEE, Picataway, 1997), p. 635

"Zone melt recrystallization of silicon films on glass" R. B. Bergmann, C. Hebling, and J. H. Werner, in: Proc. 14th Europ. Photovoltaic Solar Energy Conf., Hrsg. H. A. Ossenbrink, P. Helm, and H. Ehmann (Stephens & Assoc., Bedford, 1997), p. 1464

"Polycrystalline Silicon Films on Glass for Solar Cells by Ion-Assisted Deposition"
J. Kühnle, R. B. Bergmann, S. Oelting, J. Krinke, H. P. Strunk, J. H. Werner, in: Proc. 14th Europ. Photovoltaic Solar Energy Conf., Hrsg. H. A. Ossenbrink, P. Helm, and H. Ehmann, (Stephens & Assoc., Bedford, 1997), p. 1022

"Optical and structural characterization of silicon microstructures fabricated by laser interference crystallization"
D. Toet, G. Aichmayr, M. Mulato, P. V. Santos, A. Spangenberg and R. B. Bergmann, Mat. Res. Soc. Symp. Proc. 467, 337 (1997)

"Deposition and characterization of polycrystalline silicon films for thin film solar cells on glass substrates"
R. B. Bergmann, J. Krinke, H. P. Strunk, and J. H. Werner
Mat. Res. Soc. Symp. Proc. 467, 352 (1997)

"Crystalline silicon films on a novel high temperature glass for applications in microelectronics and photovoltaics"
R. B. Bergmann, J. G. Darrant, A. R. Hyde, and J. H. Werner, J. Non-Cryst. Solids 218, 388 (1997)

"Fabrication of single crystalline SiC layer on high temperature glass"
Q.-Y. Tong, T.-H. Lee, P. Werner and U. Gösele, R. B. Bergmann and J. H. Werner
J. Electrochem. Soc. 144, L111 (1997)

"Large grained polycrystalline silicon films by solid phase crystallization of phosphorus doped amorphous silicon"
R. B. Bergmann and J. Krinke, J. Crystal Growth 177, 191 (1997)

"Solid phase crystallized Si films on glass substrates for thin film solar cells"
R.B. Bergmann, G. Oswald, M. Albrecht and V. Gross, Solar Energy Materials and Solar Cells 46, 147 (1997)

"Ultrathin crystalline silicon solar cells on glass substrates"
R. Brendel, R.B. Bergmann, P. Lölgen, M. Wolf, and J.H. Werner, Appl. Phys. Letters 70, 390 (1997)

"Growth of polycrystalline silicon films on glass by high temperature chemical vapor deposition"
R.B. Bergmann, R. Brendel, M. Wolf, P. Lölgen, J. Krinke, H.P. Strunk and J.H. Werner, Semiconductor Science and Technology 12, 224 (1997)

"Role of critical grain size of nuclei for homoepitaxy of polycrystalline Si"
J. Kühnle, R. B. Bergmann, and J.H. Werner, J. Crystal Growth 173, 62 (1997)

"Large area polycrystalline silicon thin films grown by laser-induced nucleation and solid phase crystallization"
D. Toet, B. Koopmans, R.B. Bergmann, B. Richards, P.V. Santos, M. Albrecht, and J. Krinke, Thin Solid Films 296, 49 (1997)

1996
"Growth of polycrystalline silicon on glass by selective laser-induced nucleation"
D. Toet, B. Koopmans, P. V. Santos, R.B. Bergmann and B. Richards, Appl. Phys. Letters 69, 3719 (1996)

"Crystalline silicon films by chemical vapor deposition on glass for thin film solar cells"
R. B. Bergmann, R. Brendel, M. Wolf, P. Lölgen, J.H. Werner, J. Krinke, and H.P. Strunk, Proc. 25th IEEE PVSEC, (IEEE, Piscataway, 1996), p. 365

"Comparison of vapor phase and liquid phase epitaxy for deposition of crystalline Si on glass"
J. Kühnle, R.B. Bergmann, J. Krinke, and J.H. Werner, Mat. Res. Soc. Symp. Proc. 426, 111 (1996)

"Growth of polycrystalline silicon using selective nucleation by laser interference crystallization"
D. Toet, P.V. Santos, R. B. Bergmann, G. Aichmayr and M. Heintze,
Proc. 23rd Internat. Conf. on the Physics of Semiconductors, Eds.: M. Scheffler and R. Zimmermann (World Scientifc, Singapore, 1996), p. 1123

"Optical in-situ monitoring of solid phase crystallization of amorphous silicon"
R. B. Bergmann, J. Crystal Growth 165, 341 (1996)

"Silicon surface passivation by metal layers for low-temperature epitaxy"
Jürgen Kühnle, Ralf Bergmann, Jürgen H. Werner, and Martin Albrecht, J. Crystal Growth 163, 470 (1996)

"Polycrystalline silicon on glass substrates for thin film solar cells"
R. Bergmann, G. Oswald, M. Albrecht, and J. H. Werner, Solid State Phenomena 51-52, 515 (1996)

"The effects of solvent and dopant impurities on the performance of LPE silicon solar cells"
Z. Shi, W. Zhang, G. F. Zheng, V. L. Chin, A. Stephens, M. A. Green and R. Bergmann, Solar Energy Materials and Solar Cells 41/42, 53 (1996)

1993-1995
"The growth and properties of liquid phase epitaxial silicon in a forming gas ambient"
Z. Shi, W. Zhang, G.F. Zheng, J. Kurianski, M.A. Green and R. Bergmann, J. Crystal Growth 151, 278 (1995)

"Polycrystalline silicon for thin film solar cells"
R. Bergmann, J. Kühnle, J.H. Werner, S. Oelting, M. Albrecht, H.P. Strunk, K. Herz and M. Powalla, Proc. 1st World Conf. on Photovoltaic Energy Conversion, (IEEE, Piscataway, 1994), p. 1398-1401

"Thin film silicon solar cells by LPE and substrate thinning techniques"
Z. Shi, G.F. Zheng, W. Zhang, S.J. Robinson, M.A. Green, and R. Bergmann, in: Proc. 12th European Photovoltaic Solar Energy Conference, Eds.: R. Hill, W. Palz, P. Helm (H.S. Stephens & Associates, Bedford, 1994), p. 1835

"Opto-electronic characterisation of thin-film crystalline silicon solar cells grown from metal solutions"
S.J. Robinson, G-F. Zheng, W. Zhang, Z. Shi, M.A. Green, and R. Bergmann, in: Proc. 12th European Photovoltaic Solar Energy Conference, Eds.: R. Hill, W. Palz, P. Helm (H.S. Stephens & Associates, Bedford, 1994), p. 1831

"The challenge of crystalline thin film silicon solar cells"
J.H. Werner, R. Bergmann, and R. Brendel, in: Festkörperprobleme / Advances in Solid State Physics Vol. 34, Ed: R. Helbig (Vieweg, Braunschweig, 1994), p. 115 - 146

"Kristallzüchtung für die Photovoltaik - Forschung in Deutschland" (Crystal Growth for Photovoltaics - Research in Germany)
R. Bergmann and J.H. Werner, Mitteilungsblatt der Deutschen Gesellschaft für Kristallwachstum und Kristallzüchtung Vol. 59 (German Society for Crystal Growth), May 1994, p.15

"Solution growth of silicon on Al-Si coated quartz glass substrates"
S.H. Lee, R. Bergmann, E. Bauser and H.J. Queisser, Materials Letters 19, 1 (1994)

"Thin film silicon solar cells on glass by substrate thinning"
G.F. Zheng, Z. Shi, R. Bergmann, X. Dai, S. Robinson, A. Wang, J. Kurianski and M.A. Green, Solar Energy Materials and Solar Cells 32, 129 (1994)

"Silicon films incorporating a drift-field grown by liquid phase epitaxy for solar cell applications"
R. Bergmann, S. Robinson, Z. Shi and J. Kurianski, Solar Energy Materials and Solar Cells 31, 447 (1993)

"The role of hydrogen in silicon liquid phase epitaxy"
R. Bergmann and J. Kurianski, Materials Letters 17, 137 (1993)

1988-1992
"Investigation of epitaxial lateral overgrowth by x-ray topography"
R. Köhler, B. Jenichen, E. Bauser and R. Bergmann, J. Appl. Phys. 72, 405 (1992)

"High quality GexSi1-x by heteroepitaxial lateral overgrowth"
P.O. Hansson, A. Gustafsson, M. Albrecht, R. Bergmann, H.P. Strunk, and E. Bauser, J. Crystal Growth 121, 790 (1992)

"First MOS transistors on insulator by silicon saturated liquid solution epitaxy"
R.P. Zingg, N. Nagel, R. Bergmann, E. Bauser, B. Höfflinger and H.J. Queisser, IEEE Electron Device Letters 13, 294 (1992)

"Selective liquid-phase epitaxy of silicon for microelectronics applications"
N. Nagel, R.P. Zingg, R. Bergmann, and E. Bauser, in: Micro Systems Technologies '92, Ed. H. Reichl (VDE-Verlag, Berlin, 1992), p. 135

"MOS-transistors with epitaxial Si, laterally grown over SiO2 by liquid phase epitaxy"
R. Bergmann, E. Czech, I. Silier, N. Nagel, E. Bauser, H.J. Queisser, R.P. Zingg and B. Höfflinger, Appl. Phys. A 54, 103 (1992)

"Epitaxial lateral overgrowth of silicon on SiO2 investigated by x-ray topography"
B. Jenichen, R. Köhler, N. Nagel, R. Bergmann, and E. Bauser, in: Mechanisms of Heteroepitaxial Growth, Mat. Res. Soc. Symp. Vol. 263, Eds.: M.F. Chisholm, R. Hull, L.J. Schowalter, B.J. Garrison, (Mater. Res. Soc., Pittsburgh, 1992) p.215

"Heteroepitaxial lateral overgrowth of GexSi1-x over SiO2/Si structures by liquid phase epitaxy"
P.O. Hansson, R. Bergmann and E. Bauser, J. Crystal Growth 114, 573 (1991)

"Dislocation generation in silicon grown laterally over SiO2 by liquid phase epitaxy"
F. Banhart, R. Bergmann, F. Phillipp, and E. Bauser, Appl. Physics A 53, 317 (1991)

"Model for defect-free epitaxial lateral overgrowth of Si over SiO2 by liquid phase epitaxy"
R. Bergmann, J. Crystal Growth 110, 823 (1991)

"Silicon layers grown over SiO2 by liquid phase epitaxy - an electron microscopical study"
F. Banhart, F. Phillipp, R. Bergmann, E. Czech, M. Konuma, and E. Bauser, in: Proc. 12th Int. Congress for Electron Microscopy, Seattle WA, Vol.4, Eds.: L.D. Peachey, D.B. Williams, (San Franzisco Press, San Franzisco, 1990) p.566

"Defect-free epitaxial lateral overgrowth of oxidized (111) Si by liquid phase epitaxy"
R. Bergmann, E. Bauser and J.H. Werner, Appl. Phys. Lett. 57, 351 (1990)

"Determination of recombination parameters in silicon solar cells using light induced transients"
W. Warta, R. Bergmann, and B. Voss, in: Proc. 8th E.C. Photovoltaic Solar Energy Conference, Eds.: I. Solomon, B. Equer and P. Helm (Kluver Academic Publishers, Dordrecht, 1988) Vol.2, p.1416