| Records |
| Author |
Gol’tsman, G. N.; Kouminov, P. B.; Goghidze, I. G.; Karasik, B. S.; Gershenzon, E. M. |
| Title |
Nonbolometric and fast bolometric responses of YBaCuO thin films in superconducting, resistive, and normal states |
Type |
Conference Article |
| Year |
1994 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
2159 |
Issue |
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Pages |
81-86 |
| Keywords |
YBCO HTS HEB, nonbolornetric |
| Abstract |
The transient voltage response in both epitaxial and granular YBaCuO thin films to 20 ps pulses of YAG:Nd laser radiation with 0.63 micrometers and 1.54 micrometers was studied. In normal and resistive states both types of films demonstrate two components: nonequilibrium picosecond component and following bolometric nanosecond. The normalized amplitudes are almost the same for all films. In superconducting state we observed a kinetic inductive response and two-component shape after integration. The normalized amplitude of the response in granular films is up to several orders of magnitude larger than in epitaxial films. We interpret the nonequilibrium response in terms of a suppression of order parameter by the excess of quasiparticles followed by the change of resistance in normal and resistive states or kinetic inductance in superconducting state. The sharp rise of inductive response in granular films is explained both by a diminishing of the crossection for current percolation through the disordered network os Josephson weak links and by a decrease of condensate density in neighboring regions. |
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| Publisher |
SPIE |
Place of Publication |
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Editor |
Nahum, M.; Villegier, J.-C. |
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High-Temperature Superconducting Detectors: Bolometric and Nonbolometric |
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Call Number  |
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Serial |
1641 |
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| Author |
Semenov, A. D.; Goghidze, I. G.; Gol’tsman, G. N.; Sergeev, A. V.; Aksaev, E. E.; Gershenzon, E. M. |
| Title |
Non-equilibrium quasiparticle response to radiation and bolometric effect in YBaCuO films |
Type |
Journal Article |
| Year |
1993 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume |
3 |
Issue |
1 |
Pages |
2132-2135 |
| Keywords |
YBCO HTS HEB detectors |
| Abstract |
The voltage photoresponse of structured current biased YBCO films on different substrates to 20-ps laser pulses of 0.63- mu m and 1.54- mu m wavelengths and to continuously modulated radiation of 2-mm wavelength is measured to temperatures around Tc. Fast picosecond decay of the response to pulsed radiation is followed by slow exponential relaxation with a nanosecond characteristic time depending on the substrate material and film dimensions. The slow component does not depend on wavelength and is attributed to the bolometric effect, while the magnitude of the fast component associated with nonequilibrium response rises with wavelength. More than an order-of-magnitude increase of the nonequilibrium response is seen from near-infrared to millimeter-wave range. This dependence plausibly reflects the low efficiency of multiplication of photoexcited electrons in YBaCuO compared to conventional superconductors. |
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Edition |
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| ISSN |
1558-2515 |
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no |
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Serial |
1659 |
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| Author |
Aksaev, E. E.; Gershenzon, E. M.; Gershenson, M. E.; Goltsman, G. N.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Prospects for using high-temperature superconductors to create electron bolometers |
Type |
Journal Article |
| Year |
1989 |
Publication |
Pisma v Zhurnal Tekhnicheskoi Fiziki |
Abbreviated Journal |
Pisma v Zhurnal Tekhnicheskoi Fiziki |
| Volume |
15 |
Issue |
14 |
Pages |
88-93 |
| Keywords |
HTS HEB |
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Russian |
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Edition |
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| ISSN |
0320-0116 |
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| Notes |
Перспективы применения высокотемпературных сверхпроводников для создания электронных болометров |
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no |
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Serial |
1693 |
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| Author |
Gershenzon, E. M.; Gershenzon, M. E.; Gol'tsman, G. N.; Karasik, B. S.; Semenov, A. D.; Sergeev, A. V. |
| Title |
Light-induced heating of electrons and the time of the inelastic electron-phonon scattering in the YBaCuO compound |
Type |
Journal Article |
| Year |
1987 |
Publication |
JETP Lett. |
Abbreviated Journal |
JETP Lett. |
| Volume |
46 |
Issue |
6 |
Pages |
285-287 |
| Keywords |
YBCO HTS HEB |
| Abstract |
For the first time, measurements have been made on the electron energy relaxation time due to the electron--phonon interaction in films of the YBaCuO superconductor. The results indicate a significant intensification of the electron--phonon interaction in this compound as compared with normal superconducting metals. |
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| Notes |
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Approved |
no |
| Call Number |
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Serial |
1706 |
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| Author |
Danerud, M.; Winkler, D.; Zorin, M.; Trifonov, V.; Karasik, B.; Gershenzon, E. M.; Gol'tsman, G. N.; Lindgren, M. |
| Title |
Picosecond detection of infrared radiation with YBa2Cu3O7-δ thin films |
Type |
Conference Article |
| Year |
1993 |
Publication |
Proc. SPIE |
Abbreviated Journal |
Proc. SPIE |
| Volume |
2104 |
Issue |
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Pages |
183-184 |
| Keywords |
YBCO HTS HEB detectors |
| Abstract |
Picosecond nonequilibrium and slow bolometric responses from a patterned high-Tc superconducting (HTS) film due toinfrared radiation were investigated using both modulation and pulse techniques. Measurements at A, = 0.85 [tm andA, = 10.6 lim have shown a similar behaviour of the response vs modulation frequency f. The responsivity of the HTS filmbased detector at f ..- 0.6-1 GHz is estimated to be 10-2 – 10-1 V/W. |
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Spie |
Place of Publication |
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Editor |
Birch, J.R.; Parker, T.J. |
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Conference |
18th International Conference on Infrared and Millimeter Waves |
| Notes |
https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=25034664 |
Approved |
no |
| Call Number |
10.1117/12.2298489 |
Serial |
1653 |
| Permanent link to this record |
