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Dr. Hartmut Bielefeldt

Publikationen


1. G. Krausch, T. Detzel, H. Bielefeldt, R. Fink, B. Luckscheiter, R. Platzer, U. Wöhrmann, and G. Schatz
Growth and Melting Behaviour of Thin In Films on Ge(100)
Appl. Phys. A 53, 324-329 (1991)
2. O. Marti, A. Ruf, M. Hipp, H. Bielefeldt, J. Colchero, and J. Mlynek
Mechanical and Thermal Effects of Laser Irradiation on Force Microscopy Cantilevers
Ultramicroscopy 42-44, 345-350 (1992)
3. M. Hipp, H. Bielefeldt, J. Colchero, O. Marti, and J. Mlynek
A Standalone Scanning Force and Friction Microscope
Ultramicroscopy 42-44, 1498-1503 (1992)
4. J. Colchero, H. Bielefeldt, A. Ruf, M. Hipp, O. Marti, and J. Mlynek
Scanning Force and Friction Microscopy
Physica Status Solidi (a) 131, 73-75 (1992)
5. O. Marti, H. Bielefeldt, B. Hecht, S. Herminghaus, P. Leiderer, and J. Mlynek
Near Field Optical Measurement of the Surface Plasmon Field
Opt. Comm. 96, 225-228 (1993)
6. H. Bielefeldt, B. Hecht, S. Herminghaus, J. Mlynek, and O. Marti
Direct Measurement of the Field Enhancement caused by Surface Plasmons with a Scanning Tunneling Optical Microscope
in "Near Field Optics", edited by D.W.Pohl and D.Courjon, NATO ASI Series E 242, 281-286 (1993)
7. O. Marti, J. Colchero, H. Bielefeldt, M. Hipp, and A. Linder
Scanning probe microscopy: application to biology and physics
Microsc. Microanal. Microstruct. 4, 429-440 (1993)
8. H. Bielefeldt, I. Hörsch, G. Krausch, M.Ch. Lux-Steiner, J. Mlynek, and O. Marti
Reflection Scanning Near-Field Optical Microscopy and Spectroscopy of Opaque Samples
Appl. Phys. A 59, 103-108 (1994)
9. H. Bielefeldt
Optische Nahfeldmikroskopie und ihre Anwendung in Transmission und Reflexion
Konstanzer Dissertationen Vol. 443, (1994)
10. W. Straub, F. Bruder, R. Brenn, G. Krausch, H. Bielefeldt, A. Kirsch, O. Marti, J. Mlynek, and J.F. Marko
Transient Wetting and 2D Spinodal Decomposition in a Binary Polymer Mixture
Europhys. Lett. 29, 353-358 (1995)
11. Electronic version of this publication G. Krausch, S. Wegscheider, A. Kirsch, H. Bielefeldt, J.C. Meiners, and J. Mlynek
Near Field Microscopy and Lithography with Uncoated Fiber Tips: A Comparison
Opt. Comm. 119, 283-288 (1995)
12. Electronic version of this publication B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D.W. Pohl
Local excitation, scattering, and interference of surface plasmons
Phys. Rev. Lett. 77, 1889-1892 (1996)
13. Electronic version of this publication U. Schwarz, M.L. Berthié, D. Courjon, and H. Bielefeldt
Simple Reflection Scannig Near-Field Optical Microscope using the back reflected light inside the laser cavity as detection mode
Opt. Comm. 134, 301-309 (1997)
14. Electronic version of this publication B. Hecht, H. Bielefeldt, L. Novotny, Y. Inouye, and D.W. Pohl
Facts and Artifacts in Scanning Near-Field Optical Microscopy
J. Appl. Phys. 81, 2492-2498 (1997)
15. Electronic version of this publication F. Baida, D. Courjon, and H. Bielefeldt
Compact stand-alone near-field optical microscope combined with force detection
Appl. Opt. 37, 1808-1813 (1998)
16. Electronic version of this publication B. Hecht, H. Bielefeldt, D.W. Pohl, L. Novotny, and H. Heinzelmann
Influence of Detection Conditions on Near-field Optical Imaging
J. Appl. Phys. 84, 5873-5882 (1998)
17. Electronic version of this publication F.J. Giessibl, H. Bielefeldt, S. Hembacher, and J. Mannhart
Calculation of the optimal imaging parameters for frequency modulation atomic force microscopy
Appl. Surf. Sci. 140, 352-357 (1999)
18. Electronic version of this publication B.A. Nechay, U. Siegner, M. Achermann, H. Bielefeldt, and U. Keller
Femtosecond pump-probe near-field optical microscopy
Rev. Sci. Instrum. 70, 2758-2764 (1999)
19. Electronic version of this publication A. Schmehl, B. Goetz, R.R. Schulz, C.W. Schneider, H. Bielefeldt, H. Hilgenkamp, and J. Mannhart
Doping-induced enhancement of the critical currents of grain boundaries in YBa2Cu3O7-d
Europhys. Lett. 47, 110-115 (1999)
20. Electronic version of this publication C.W. Schneider, R.R. Schulz, B. Goetz, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, and J. Mannhart
Tailoring of High-Tc Josephson Junctions by Doping Their Electrodes
Appl. Phys. Lett. 75, 850-852 (1999)
21. Electronic version of this publication J. Mannhart, H. Bielefeldt, B. Goetz, H. Hilgenkamp, A. Schmehl, C.W. Schneider, and R.R. Schulz
Grain Boundaries in High-Tc Superconductors: Insights and Improvements
Philosophical Magazine B 80, 827-834 (2000)
22. Electronic version of this publication F.J. Giessibl and H. Bielefeldt
Physical Interpretation of Frequency-Modulation Atomic Force Microscopy
Phys. Rev. B 61, 9968-9971 (2000)
23. J. Mannhart, H. Bielefeldt, B. Goetz, H. Hilgenkamp, A. Schmehl, C.W. Schneider, and R.R. Schulz
Interfaces and High-Tc Superconductors: Analysis and Optimization
Mat. Res. Soc. Sym. Proc. 574, 261-272 (1999) 'Multicomponent Oxide Films for Electronics', eds. M.E. Hawley, D.H.A. Blank, C.B. Eom, D.G. Schlom, S.K. Streiffer
24. Electronic version of this publication H. Bielefeldt and F.J. Giessibl
A simplified but intuitive analytical model for intermittent-contact mode force microscopy based on Hertzian mechanics
Surf. Sci. 440, L863-L867 (1999)
25. Electronic version of this publication H. Hilgenkamp, R.R. Schulz, C.W. Schneider, B. Goetz, A. Schmehl, H. Bielefeldt, and J. Mannhart
Modifying electronic properties of interfaces on high-Tc superconductors by doping
Physica C 326-327, 7-11 (1999)
26. Electronic version of this publication H. Hilgenkamp, A. Schmehl, B. Goetz, C.W. Schneider, R.R. Schulz, H. Bielefeldt, and J. Mannhart
Grain Boundary Critical Currents - A New Perspective
Superconductor Science and Technology 12, 1043-1045 (1999)
27. Electronic version of this publication R.R. Schulz, B. Chesca, B. Goetz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, and J. Mannhart
Design and Realization of an all d-wave dc -SQUID
Appl. Phys. Lett. 76, 912-914 (2000)
28. B. Goetz, R.R. Schulz, C.W. Schneider, B. Chesca, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, and J. Mannhart
Enhancement of Grain Boundary Jc by doping, and Realization of a High-Tc Thin Film dc -SQUID
Inst. Phys. Conf. Ser. 167, 343-346 (2000)
29. H. Hilgenkamp, R.R. Schulz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, and J. Mannhart
Factors controlling transport properties of interfaces on high-Tc superconductors
Proc. 1999 Spring Meeting of the Materials Research Society (MRS), San Francisco, Mat. Res. Soc. Sym. Proc. 574, 261-272 (1999)
30. F.J. Giessibl, S. Hembacher, H. Bielefeldt, and J. Mannhart
Subatomic Features on the Si(111)-(7x7) Surface Observed by Atomic Force Microscopy
Science 289, 422-425 (2000)
31. Electronic version of this publication G. Hammerl, A. Schmehl, R.R. Schulz, B. Goetz, H. Bielefeldt, C.W. Schneider, H. Hilgenkamp, and J. Mannhart
Enhanced supercurrent density in polycrystalline YBa2Cu3O7-d at 77 K from calcium doping of grain boundaries
Nature 407, 162-164 (2000)
32. Electronic version of this publication F.J. Giessibl, S. Hembacher, H. Bielefeldt, and J. Mannhart
Imaging silicon with crystallographically oriented tips by atomic force microscopy
Appl. Phys. A 72, S15-S17 (2001)
33. G. Hammerl, H. Bielefeldt, B. Goetz, A. Schmehl, C.W. Schneider, R.R. Schulz, H. Hilgenkamp, and J. Mannhart
Doping-induced enhancement of grain boundary critical currents
IEEE Trans. Appl. Supercond. 11, 2830-2837 (2001)
34. Electronic version of this publication J. Mannhart, H. Bielefeldt, B. Goetz, H. Hilgenkamp, A. Schmehl, C.W. Schneider, and R.R. Schulz
Doping Induced Enhancement of the Critical Currents of Grain Boundaries in High-Tc Superconductors
Physica C 341-348, 1393-1396 (2000)
35. Electronic version of this publication R.R. Schulz, B. Chesca, B. Goetz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, J. Mannhart, and C.C. Tsuei
Realization of High-Tc dc -SQUIDs
Physica C 341-348, 1651-1654 (2000)
36. Electronic version of this publication F.J. Giessibl, S. Hembacher, H. Bielefeldt, and J. Mannhart
Response to Technical Comment: Subatomic Features in Atomic Force Microscopy Images
Science 291, 2509a (2001) (online only, see http://www.sciencemag.org/cgi/content/full/291/5513/2509a)
37. J. Mannhart, G. Hammerl, H. Bielefeldt, H. Hilgenkamp, S. Leitenmeier, A. Schmehl, C.W. Schneider, and R.R. Schulz
Grain Boundaries in High-Tc Superconductors - Data, Ideas and Prospects
Proceedings of the 10th International Workshop on Critical Currents, Göttingen, Germany, 27-29 (2001)
38. H. Bielefeldt, B. Goetz, H. Hilgenkamp, J. Mannhart, A. Schmehl, C.W. Schneider, and R.R. Schulz
Superconductor with Enhanced Current Density and Method for Making such a Superconductor
European Patent EP1142036 (B1), issued 2008-04-02
39. Electronic version of this publication F.J. Giessibl, H. Bielefeldt, S. Hembacher, and J. Mannhart
Imaging of atomic orbitals with the Atomic Force Microscope -- experiments and simulations
Annalen der Physik (Leipzig) 10, 887-910 (2001)
preprint cond-mat/0107195
40. Electronic version of this publication C.W. Schneider, H. Bielefeldt, B. Goetz, G. Hammerl, A. Schmehl, R.R. Schulz, H. Hilgenkamp, and J. Mannhart
Interfaces in high-Tc superconductors: fundamental insights and possible applications
Current Applied Physics 1, 349-353 (2001)
41. H. Hilgenkamp, B. Goetz, R.R. Schulz, C.W. Schneider, B. Chesca, G. Hammerl, A. Schmehl, H. Bielefeldt, and J. Mannhart
Understanding and Adjusting Grain Boundary Transport Properties in High-Tc Superconductors
Proceedings of the 2000 international Workshop on Superconductivity, Shimane (Japan) 33-36 (2000)
42. R.R. Schulz, B. Chesca, B. Goetz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, J. Mannhart, and C.C. Tsuei
Design and Realization of High-Tc dc pi-SQUIDs
Proceedings of the International Symposium on \"High Critical Temperature Superconductors Devices\", Instituto Nazionale per la Fisica della Materia, Napoli (Italy) 25-31 (2000)
43. G. Hammerl, C.W. Schneider, R.R. Schulz, B. Goetz, A. Schmehl, H. Bielefeldt, J. Mannhart, and H. Hilgenkamp
Optimierung von Hoch-Tc Korngrenzen mittels Dotieren
Supraleitung und Tieftemperaturtechnik 2000, Statusseminar VDI Technologiezentrum, Physikalische Technologien, 14.-15.12.2000, Garmisch Partenkirchen, Hrsg: VDI-Technologiezentrum 383-386 (2001)
44. Electronic version of this publication G. Hammerl, H. Bielefeldt, S. Leitenmeier, A. Schmehl, C.W. Schneider, A. Weber, and J. Mannhart
Large grain boundary area superconductors
Eur. Phys. J. B 27, 299-301 (2002)
45. Electronic version of this publication S. Leitenmeier, H. Bielefeldt, G. Hammerl, A. Schmehl, C.W. Schneider, and J. Mannhart
Coated conductors containing grains with big aspect ratios
Annalen der Physik (Leipzig) 11, 497-502 (2002)
46. M. Schreck, Th. Bauer, S. Gsell, F. Hörmann, H. Bielefeldt, and B. Stritzker
Domain formation in diamond nucleation on iridium
Diamond and Related Materials 12, 262-267 (2003)
47. C.W. Schneider, W.K. Neils, H. Bielefeldt, G. Hammerl, A. Schmehl, H. Raffy, Z.Z. Li, S. Oh, J.N. Eckstein, D.J. van Harlingen, and J. Mannhart
Pairing symmetry in Bi2Sr2Ca1Cu2O8+x
Europhys. Lett. 64, 489-495 (2003)
48. A. Schmehl, F. Lichtenberg, D.G. Schlom, H. Bielefeldt, and J. Mannhart
Transport Properties of LaTiO3+x Films and Heterostructures
Appl. Phys. Lett. 82, 3077-3079 (2003)
49. H. Bielefeldt, B. Goetz, G. Hammerl, H. Hilgenkamp, J. Mannhart, A. Schmehl, C.W. Schneider, and R.R. Schulz
Method for Making a Superconductor with Enhanced Current Carrying Capability
U.S. Patent US 6699820 B2 (2004) (issued March 02, 2004)
50. J. Mannhart, H. Bielefeldt, B. Goetz, H. Hilgenkamp, A. Schmehl, C.W. Schneider, and R.R. Schulz
Superconductor with enhanced current density and method for making such a superconductor
U.S. Patent US 6573220 B1 (2003) (issued June 03, 2003)
51. G. Hammerl, H. Bielefeldt, S. Leitenmeier, A. Schmehl, A. Weber, C.W. Schneider, and J. Mannhart
Improving Coated Conductors
IEEE Trans. Appl. Supercond. 13, 2625-2627 (2003)
52. H. Bielefeldt, B. Goetz, G. Hammerl, H. Hilgenkamp, J. Mannhart, A. Schmehl, C.W. Schneider, and R.R. Schulz
Superconductor System with Enhanced Current Carrying Capability
U.S. Patent US 6782282 B2 (2004) (issued Aug. 24, 2004)
53. J.H.T. Ransley, P.F. McBrien, G. Burnell, E.J. Tarte, J.E. Evetts, R.R. Schulz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, and J. Mannhart
Capacitance measurements on grain boundaries in Y1-xCaxBa2Cu3O7-d
Phys. Rev. B 70, 1-11 (2004)
54. H. Lautenschläger, M. Buck, H. Bielefeldt, R. Fensterle, J. Palata
Optoelektronischer Sensor und Verfahren zur Detektion eines Objekts in einem Überwachungsbereich
Patentschrift DE10346813B4, veröffentlicht 29.08.2013
55. H. Lautenschläger, J. Palata, M. Buck, H. Bielefeldt, R. Fensterle
OOptoelectronic Sensor and Process for Detection of an Object in a monitored Area
U.S. Patent 7176443B2(2007), issued Feb. 13, 2007
56. R. Fensterle, H. Bielefeldt, E. Gjabri
Verfahren zum Betreiben eines optischen Näherungsschalters nach dem Lichtlaufzeitprinzip
Patentschrift DE102014203379B4, veröffentlicht 30.05.2018

Konferenzen

  • International Conference on Scanning Tunneling Microscopy (STM'91),Interlaken. Switzerland:
    M. Hipp, H. Bielefeldt, J. Colchero, O. Marti, and J. Mlynek: A Stand-Alone Scanning Force and Friction Microscope (poster), 13.08.91
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 1992, Regensburg:
    H. Bielefeldt, J. Colchero, M. Hipp, A. Ruf, O. Marti, and J. Mlynek: Untersuchung von Reibung auf Submikrometerskala mit dem Kraftmikroskop, 16.03.92
  • Frühjahrstagung der Schweizerischen Physikalischen Gesellschaft 1992, Neuchâtel, Switzerland:
    H. Bielefeldt, S. Herminghaus, O. Marti, and J. Mlynek: Direct Measurement of the Field Enhancement caused by Surface-Plasmons with an Optical Tunneling Microscope 08.04.92
  • International Quantum Electronics Conference IQEC '92, Vienna, Austria:
    H. Bielefeldt, B. Hecht, S. Herminghaus, O. Marti, and J. Mlynek: Direct Measurement of the Field Enhancement caused by Surface Plasmons with a Scanning Tunneling Optical Microscope, 16.06.92 (postdeadline talk)
  • NATO Workshop on Photons and Scanning Probe Microscopies, Reichenau (Bodensee), Germany: B. Hecht, H. Bielefeldt, O. Marti, and J. Mlynek: Reflection Scanning Near-Field Optical Microscope with Spectrometer, 21.07.92 (poster)
  • NATO Workshop on Near Field Optics, Besançon/Arc et Senans, France: H. Bielefeldt, B. Hecht, S. Herminghaus, O. Marti, and J. Mlynek: Direct Measurement of the Field Enhancement caused by Surface Plasmons with a Scanning Tunneling Optical Microscope, 27.10.92
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 1993 and General Conference of the Condensed Matter Division of the European Physical Society, Regensburg, Germany: H. Bielefeldt, B. Hecht, O. Marti, and J. Mlynek: Spatially resolved spectroscopy of a photoluminescent layer by scanning near-field optical microscopy, 29.03.93
  • Conference on Lasers and Electro-Optics CLEO/QELS'93, Baltimore MD, U.S.A.: H. Bielefeldt, B. Hecht, M.Ch. Lux-Steiner, O. Marti, and J. Mlynek: Spatially resolved spectroscopy of a photoluminescent layer by scanning near-field optical microscopy, 02.05.93
  • European Quantum Electronics Conference EQEC'93, Firenze, Italy: H. Bielefeldt, B. Hecht, I. Hörsch, O. Marti, and J. Mlynek: Spatially resolved spectroscopy of a photoluminescent layer by scanning near-field optical microscopy, 13.09.93
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 1994, Münster, Germany:
    H. Bielefeldt, G. Krausch, I. Hörsch, A. Kirsch, R. Sieber, J. Mlynek, O. Marti, F. Bruder,R. Brenn: Optische Nahfeldmikroskopie an Polymermischungen, 25.03.94
  • Conference on Confocal and Near-Field Microscopy and 3-D Image Processing CNFM/3DIP, München, Germany:
    H. Bielefeldt, I. Hörsch, G. Krausch, R. Sieber, A. Kirsch, F. Bruder, R. Brenn, J. Mlynek, O. Marti: Scanning near-field optical microscopy on partially miscible polymer blends, 27.04.94
  • NATO Workshop on Photons and Local Probes, Reichenau, Germany: J.-C. Meiners, H. Bielefeldt, G. Krausch, J. Mlynek: On the Mechanism of Shear Force Damping, 15.09.94
  • Seminar für Physik der kondensierten Materie, Universität Konstanz:
    H. Bielefeldt: Optische Nahfeldmikroskopie, 09.12.94
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 1995, Berlin, Germany
    I. Hörsch, R. Sieber, O. Hollricher, H. Bielefeldt, O. Kirschenhofer, R. Kusche, G. Krausch, J. Mlynek und O. Marti: Optische Nahfeldmikroskopie mit spektraler und zeitlicher Auflösung (poster), 20.03.95
  • NFO 3 Conference on Near Field Optics and Related Techniques, Brno, Czech Republic:
    • H. Bielefeldt, M. Spajer, D. Courjon: A Stand-Alone Scanning Force and Near-Field Optical Microscope (poster), 09.05.95
    • S. Wegscheider, A. Kirsch, H. Bielefeldt, J.C. Meiners, G. Krausch, J. Mlynek: Near Field Microscopy and Lithography with Uncoated Fiber Tips: A Comparison (poster), 10.05.95
  • European Workshop "Near-Field Optics for Nanoscale Science and Technology", Besançon/Arc et Senans, France
    H. Bielefeldt: Design of a Stand-Alone Scanning Force and Near-Field Optical Microscope, 10.04.96
  • Physics Seminar, Group of Applied Physics, Université de Genève, Switzerland
    H. Bielefeldt: Scanning Near-Field Optical Microscopy - Image Interpretation and Applications in Biology, Materials Science, and Physics, 18.09.96
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 1999, Münster, Germany
    H. Bielefeldt, F.J. Giessibl, S. Hembacher, U. Mair, J. Mannhart: Kräfte zwischen Kraftmikroskopspitze und Probe im Intermittent Contact Mode und im repulsiven FM-Modus (poster), 25.03.99
  • 2nd International Workshop on Non-Contact Atomic Force Microscopy "nc-AFM '99", Pontresina, Switzerland
    H. Bielefeldt, S. Hembacher, U. Mair, F.J. Giessibl, J. Mannhart: A Simplified but Intuitive Analytical Model for Intermittent-Contact Mode Force Microscopy Based on Hertzian Mechanics (poster) 01.09.99
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 2000, Regensburg, Germany
    • S. Hembacher, H. Bielefeldt, F.J. Giessibl, U. Mair, J. Mannhart: Piezoelektrischer Trägheitsantrieb für die Grobpositionierung im nm-Bereich (poster), 27.03.00
    • B. Goetz, H. Bielefeldt, G. Hammerl, R.R. Schulz, C.W. Schneider, H. Hilgenkamp, J. Mannhart: Untersuchung der Transporteigenschaften von Kipp- und Dreh-Korngrenzen in YBa2Cu3O7-x (poster), 30.03.00
  • 3rd International Conference on Non-Contact Atomic Force Microscopy "nc-AFM 2000", Hamburg, Germany
    H. Bielefeldt, F.J. Giessibl: Amplitude dependence of the image corrugation in frequency-modulation force microscopy (poster) 17.07.00
  • Frühjahrstagung der Deutschen Physikalischen Gesellschaft 2001, Hamburg, Germany
    F.J. Giessibl, H. Bielefeldt, S. Hembacher, J. Mannhart, Subatomic resolution with the atomic force microscope (poster) 28.03.01
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Letzte Änderung am Donnerstag, 8. April 2004 durch Hartmut Bielefeldt