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Number of items: 47.

Article

Renk, Karl Friedrich and Betz, J. and Zeuner, S. and Lengfellner, Hans and Prettl, Wilhelm (1994) Thermopile effect due to laser radiation heating in thin films of high-Tc materials. Physica C Superconductivity and its Applications 235-240 (1), pp. 37-40.
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Zeuner, S. and Prettl, Wilhelm and Renk, Karl Friedrich and Lengfellner, Hans (1994) Nernst effect in Tl-Ba-Ca-Cu-O high-Tc superconducting thin films. Physical Review B (PRB) 49 (13), pp. 9080-9083.
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Lengfellner, Hans and Zeuner, S. and Prettl, Wilhelm and Renk, Karl Friedrich (1994) Thermoelectric Effect in Normal-State YBa2Cu3O7-δ Films. Europhysics Letters 25 (5), pp. 375-378.
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Huggard, P. G. and Zeuner, S. and Goller, K. and Lengfellner, Hans and Prettl, Wilhelm (1994) Normal state YBa2Cu3Ox films: A new fast thermal detector for far infrared laser radiation with a uniform wavelength response. Journal of Applied Physics 75 (1), pp. 616-618.
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Lengfellner, Hans and Zeuner, S. and Prettl, Wilhelm and Renk, Karl Friedrich (1994) Thermoelectric Effect in Normal-State YBa2Cu3O7-δ Films (Addendum). epl = Europhysics Letters 27 (6), p. 491.
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Prettl, Wilhelm and Lengfellner, Hans and Kaminski, J. P. and Schneider, G. and Huggard, P. G. and O'Brien, T. P. and Blau, W. (1992) Far infrared response of thin film Bi2Sr2CaCu2O8 using a free electron laser. International Journal of Infrared and Millimeter Waves 13 (10), pp. 1659-1666.
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Lengfellner, Hans and Kremb, G. and Schnellbögl, A. and Betz, J. and Renk, Karl Friedrich and Prettl, Wilhelm (1992) Giant voltages upon surface heating in normal YBa2Cu3O7−δ films suggesting an atomic layer thermopile. Applied Physics Letters 60 (4), pp. 501-503.
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Zeuner, S. and Lengfellner, Hans and Betz, J. and Renk, Karl Friedrich and Prettl, Wilhelm (1992) Heat propagation in high Tc films investigated by optical response measurements. Applied Physics Letters 61 (8), pp. 973-975.
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Lengfellner, Hans and Schneider, G. and Betz, J. and Hogan, M. and Prettl, Wilhelm and Renk, Karl Friedrich (1991) Superconducting Energy Gap from Infrared Response Measurements in Granular Tl2Ba2CaCu2O8 Films. Europhysics Letters 15 (3), pp. 343-347.
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Andrä, W. and Betz, J. and Brunner, B. and Hergt, R. and Lengfellner, Hans and Renk, Karl Friedrich and Steenbeck, K. (1991) Characterization of YBCO films by torque magnetometry. Physica C: Superconductivity and its Applications 180 (1-4), pp. 188-191.
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Schneider, G. and Lengfellner, Hans and Betz, J. and Renk, Karl Friedrich and Prettl, Wilhelm (1991) Infrared Detection By Tl-Ba-Ca-Cu-O Superconducting Films. International journal of infrared and millimeter waves 12 (1), pp. 1-7.
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Lengfellner, Hans and Schnellbögl, A. (1991) Nernst Effect In High-Tc Superconductors. Physica C: Superconductivity and its Applications 174 (4-6), pp. 373-376.
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Lengfellner, Hans and Schnellbögl, Andreas and Betz, Josef and Prettl, Wilhelm and Renk, Karl Friedrich (1990) Nernst effect by laser-pulse heating in Tl-Ba-Ca-Cu-O superconducting thin films. Physical Review B (PRB) 42 (10), pp. 6264-6267.
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Andrä, W. and Betz, J. and Brunner, B. and Hergt, R. and Lengfellner, Hans and Renk, Karl Friedrich and Schüppel, W. and Steenbeck, K. (1990) In-plane Rotational Magnetic Losses In A Laser Deposited YBa₂Cu₃O₇−x Film. Physica status solidi A, Applied research 122 (2), K161-K163.
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Lengfellner, Hans and Schnellbögl, Andreas and Betz, Josef and Renk, Karl Friedrich and Prettl, Wilhelm (1990) Nernst effect in Tl-Ba-Ca-Cu-O superconducting films due to infrared laser heating. International Journal of Infrared and Millimeter Waves 11 (5), pp. 631-639.
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Lengfellner, Hans and Schnellbögl, Andreas and Betz, Josef and Prettl, Wilhelm and Renk, Karl Friedrich (1990) Nernst effect in a high temperature superconductor. Physica B Condensed Matter 165/16 (2), pp. 1219-1220.
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Renk, Karl Friedrich and Betz, J. and Schützmann, J. and Prückl, A. and Brunner, B. and Lengfellner, Hans (1990) Use of high Tc superconductors for far‐infrared Fabry–Perot resonators. Applied Physics Letters 57 (20), pp. 2148-2149.
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Renk, Karl Friedrich and Ose, W. and Zetterer, T. and Schützmann, J. and Lengfellner, Hans and Otto, H. H. and Keller, J. and Roas, B. and Schultz, L. and Saemann-Ischenko, G. (1989) Far infrared reflectivity of Tl2Ba2CaCu2O8 and YBa2Cu3O7 ceramics and of an oriented YBa2Cu3O7 thin film. Infrared physics 29 (2-4), pp. 791-798.
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Lengfellner, Hans and Betz, J. and Renk, Karl Friedrich (1989) Preparation of Tl-Ba-Ca-Cu-O thin films by diffusion of Tl into laser evaporated Ba2Ca2Cu3Ox films. Applied Physics A: Materials Science & Processing 48 (5), pp. 501-502.
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Lengfellner, Hans and Renk, Karl Friedrich and Fickenscher, P. and Schindler, W. (1989) Preparation of Y-Ba-Cu-O thin films by laser evaporation with near-infrared radiation. Journal of Physics D: Applied Physics 22 (2), pp. 323-326.
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Zetterer, T. and Ose, W. and SChützmann, J. and Otto, H. H. and Obermayer, P. E. and Tasler, N. and Lengfellner, Hans and Lugert, G. and Keller, J. and Renk, Karl Friedrich (1989) Preparation, characterization, and far-infrared study of ceramic high-Tc superconductors. Journal of the Optical Society of America B: Optical Physics (JOSA B) 6 (3), pp. 420-435.
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Retzer, N. and Lengfellner, Hans and Renk, Karl Friedrich (1989) Resonance trapping of monochromatically generated 29 CM-1 phonons in strongly excited ruby crystals. Journal of Luminescence 43 (4), pp. 243-249.
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Betz, J. and Lengfellner, Hans and Duschl, E. and Meidenbauer, K. and Renk, Karl Friedrich (1989) Superconducting Tl-Ca-Ba-Cu-O thin films prepared by diffusion of Tl into an excimer laser ablated Ca2Ba2Cu3Ox film. Physica C: Superconductivity and its Applications 162-164 (Part 1), pp. 133-134.
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Ose, W. and Obermayer, P. E. and Otto, H. H. and Zetterer, T. and Lengfellner, Hans and Tasler, N. and Keller, J. and Renk, Karl Friedrich (1988) Far-infrared reflectivity and dynamical conductivity of YBa2Cu3O7. Physica C: Superconductivity and its Applications 153-15 (Part 2), pp. 639-640.
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Ose, W. and Obermayer, P. E. and Otto, H. H. and Zetterer, T. and Lengfellner, Hans and Keller, J. and Renk, Karl Friedrich (1988) Far-infrared reflectivity of sintered YBa2Cu3O7 in the normal and superconducting state. Zeitschrift für Physik B: Condensed Matter 70 (3), pp. 307-316.
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Renk, Karl Friedrich and Lengfellner, Hans and Obermayer, P. E. and Ose, W. and Otto, H. H. and Zetterer, T. and Schindler, W. and Saemann-Ischenko, G. (1987) Far infrared reflectance of a mixed phase Y-Ba-Cu-O superconductor. International journal of infrared and millimeter waves 8 (12), pp. 1525-1530.
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Lengfellner, Hans (1987) Generation of tunable pulsed microwave radiation by nonlinear interaction of Nd-YAG laser radiation in GaP crystals. Optics Letters 12 (3), pp. 184-186.
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Lengfellner, Hans and Sievers, A. J. (1985) Ultrasonic attenuation measurements on crystals which display persistent nonphotochemical ir spectral hole burning. Physical Review B (PRB) 31 (4), pp. 2591-2594.
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Retzer, N. and Lengfellner, Hans and Renk, Karl Friedrich (1983) Homogeneously broadened far-infrared absorption line due to the Ebar-]2abar transition of excited chromium ions in ruby. Physics Letters A 96 (9), pp. 487-490.
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Lengfellner, Hans and Hummel, J. and Netter, H. and Renk, Karl Friedrich (1983) Temperature dependence of the Ebar-]2abar far-infrared absorption line of excited chromium ions in ruby. Optics Letters 8 (4), pp. 220-222.
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Lengfellner, Hans and Gosnell, T. R. and Tkach, R. W. and Sievers, A. J. (1983) Ultrasonic modulation of persistent spectral holes in crystals. Applied Physics Letters 43 (5), pp. 437-439.
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Lengfellner, Hans and Renk, Karl Friedrich (1981) Anharmonic Decay of Zone-Boundary Phonons Observed by a New Method of Phonon Detection. Physical review letters 46 (18), pp. 1210-1212.
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Lengfellner, Hans and Werling, U. and Hummel, J. and Netter, H. and Retzer, N. and Renk, Karl Friedrich (1981) Concentration dependence of the Ebar-]2abar far-infrared transition of excited chromium ions in ruby. Solid State Communications 38 (12), pp. 1215-1217.
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Lengfellner, Hans and Renk, Karl Friedrich (1981) Detection Of acoustic zone-boundary phonons by phonon difference absorption. Journal de physique 42 (C6), pp. 259-261. Volltext nicht vorhanden.

Lengfellner, Hans and Rindt, R. and Renk, Karl Friedrich (1980) Far-infrared laser spectroscopy of phonon difference band absorption in TlCl. Zeitschrift für Physik B: Condensed Matter 39 (1), pp. 11-14.
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Lengfellner, Hans and Renk, Karl Friedrich (1978) Zeeman spectroscopy on excited Cr-3+ in Al2o3 with a far-infrared laser. Semiconductors and insulators 3 (2-3), pp. 113-120.
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Lengfellner, Hans and Renk, Karl Friedrich (1977) Quantum counter for far-infrared radiation. IEEE Journal of Quantum Electronics 13 (6), pp. 421-424.
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Lengfellner, Hans and Pauli, G. and Heisel, W. and Renk, Karl Friedrich (1976) Tunable Quantum Counter For Far-Infrared Radiation. Applied Physics Letters 29 (9), pp. 566-567.
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Book Section

Lengfellner, Hans and Kremb, G. and Betz, J. and Renk, Karl Friedrich and Prettl, Wilhelm (1993) Giant voltages upon surface heating in normal YBa2Cu3O7−δ films explained by an atomic layer thermopile. In: Kuzmany, Hans and Mehring, M. and Fink, J., (eds.) Electronic properties of high Tc superconductors: the normal and the superconducting state of high Tc materials; proceedings of the international winter school, Kirchberg, Tyrol, March 7 - 14, 1992. Springer series in solid state sciences, 113. Springer, Berlin, pp. 278-281. ISBN 3-540-56195-1; 0-387-56195-1. Volltext nicht vorhanden.

Zeiner, S. and Huggard, P. G. and Koller, K. P. and Lengfellner, Hans and Prettl, Wilhelm (1993) Normal state YBa₂Cu₃O₇-δ films: A new fas detector for far infrared radiation. In: Birch, James R. and Parker, Terence J., (eds.) Conference digest: Eighteenth International Conference on Infrared and Millimeter Waves, 6 - 10 September 1993 University of Essex, Colchester, United Kingdom. SPIE proceedings series, 2104. SPIE, Bellingham, Washington, p. 112. ISBN 0-8194-1392-5. Volltext nicht vorhanden.

Prettl, Wilhelm and Lengfellner, Hans and Kaminski, J. P. and Schneider, G. and Huggard, P. G. and O'Brien, T. P. and Blau, W. (1992) Far Infrared Response of Thin Film Bi₂Sr₂CaCu₂O₈ usingthe UCSB-FEL. In: Temkin, Richard, (ed.) Conference digest: Seventeenth International Conference on Infrared and Millimeter Waves: 14 - 17 December 1992, Pasadena, California. Proceedings of the Society of Photo-Optical Instrumentation Engineers, 1929. SPIE, Bellingham, Washington, p. 18. ISBN 0-8194-1163-9. Volltext nicht vorhanden.

Scherzl, K and Hogan, M. and Simms, D. and Betz, J. and Blau, W. and Lengfellner, Hans and Renk, Karl Friedrich and Prettl, Wilhelm (1991) FIR response of HTC Tl-Ba-Ca-Cu-O Films. In: Siegrist, M. R. and Tran, M. Q. and Tran, T. M., (eds.) Conference digest: Sixteenth International Conference on Infrared and Millimeter Waves: 26 - 30 August 1991, Lausanne, Switzerland. Proceedings of the Society of Photo-Optical Instrumentation Engineers, 1546. SPIE, Bellingham, Washington, p. 20. ISBN 0-8194-0707-0. Volltext nicht vorhanden.

Schneider, G. and Lengfellner, Hans and Betz, J. and Renk, Karl Friedrich and Prettl, Wilhelm (1990) Infrared Detection by Tl-Ba-Ca-Cu-O superconducting Films. In: Temkin, Richard J., (ed.) Conference digest: Fifteenth International Conference on Infrared and Millimeter Waves: 10-14 December 1990, Orlando, Florida. Proceedings of the International Society for Optical Engineering, 1514. SPI, Bellingham, Washington, USA, p. 104. ISBN 0-8194-0623-6. Volltext nicht vorhanden.

Lengfellner, Hans and Schnellbögl, A. and Betz, J. and Renk, Karl Friedrich and Prettl, Wilhelm (1990) Nernst effect by pulsed infrared laser heating in Tl-Ba-Ca-Cu-O high-Tc superconduction films. In: Temkin, Richard J., (ed.) Conference digest: Fifteenth International Conference on Infrared and Millimeter Waves: 10-14 December 1990, Orlando, Florida. Proceedings of the International Society for Optical Engineering, 1514. SPI, Bellingham, Washington, USA, p. 107. ISBN 0-8194-0623-6. Volltext nicht vorhanden.

Lengfellner, Hans and Schnellbögl, A. and Betz, J. and Prettl, Wilhelm and Renk, Karl Friedrich (1990) Saturation of Photoionization of Shallow Acceptors in p-Ge. In: Temkin, Richard J., (ed.) Conference digest: Fifteenth International Conference on Infrared and Millimeter Waves: 10-14 December 1990, Orlando, Florida. Proceedings of the International Society for Optical Engineering, 1514. SPI, Bellingham, Washington, USA, p. 372. ISBN 0-8194-0623-6. Volltext nicht vorhanden.

Conference or Workshop Item

Kyarad, Amir and Lengfellner, Hans (2006) Thermoelectric and photovoltaic effects in Al-Si multilayers. In: European Conference on Thermoelectrics of European Thermoelectric Society, April 10-11 2006, Cardiff UK. Volltext nicht vorhanden.

Betz, J. and Zeuner, S. and Schabenberger, W. and Härteis, Th. and Prettl, Wilhelm and Lengfellner, Hans and Renk, Karl Friedrich (1993) YBa₂Cu₃O₇-δ Atomic Layer Thermopile. In: European Conference on Applied Superconductivity (EUCAS), 4.-9. Oktober 1993, Göttingen, Germany. Volltext nicht vorhanden.

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