Abstract

The detectivity D* limits of YBa2Cu3O7-x bolometers on 0.05-cm-thick crystalline substrates are investigated, and a method to increase D* to greater than 109 (cm Hz1/2)/W at a 20-µm wavelength is proposed. Because the response increases proportionally with the bias current I b, whereas the noise near T c (the transition or critical temperature) of our MgO and SrTiO3 substrate samples does not, an increase in D* of these samples is obtained by an increase in I b. Another limiting factor is the dc thermal conductance G(0) of the device, which, although controlled by the substrate-holder thermal boundary resistance for our samples, can be changed by means of thinning the substrate to increase D*. The optimal amount of thinning depends on the substrate’s thermal parameters and the radiation modulation frequency. D* in our samples is also found to follow the spectral-radiation absorption of the substrate material.

© 1999 Optical Society of America

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  1. J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
    [CrossRef]
  2. H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
    [CrossRef]
  3. M. Fardmanesh, A. Rothwarf, K. J. Scoles, “YBa2Cu3O7–x infrared bolometers: temperature dependent responsivity and deviations from the dR/dT curve,” J. Appl. Phys. 77, 4568–4575 (1995).
    [CrossRef]
  4. M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Low and midrange modulation frequency response for YBCO infrared detectors: interface effects on the amplitude and phase,” IEEE Trans. Appl. Supercond. 5, 7–13 (1995).
    [CrossRef]
  5. M. Fardmanesh, K. J. Scoles, A. Rothwarf, “DC charateristics of patterned YBa2Cu3O7–x superconducting thin film bolometers: artifacts related to Joule heating, ambient pressure, and microstructure,” IEEE Trans. Appl. Supercond. 8, 69–78 (1998).
    [CrossRef]
  6. J. M. Phillips, “Substrate selection for high-temperature superconducting thin films,” J. Appl. Phys. 79, 1829–1848 (1996).
    [CrossRef]
  7. M. Fardmanesh, A. Rothwarf, K. J. Scoles, “The responsivity and detectivity limits for patterned YBa2Cu3O7–x superconductive IR-detectors,” in Proceedings of the Sixth International Superconductive Electronics Conference, H. Kock, S. Knappe, eds. (Physikaisch-Technidsche Bundesanstalt, Berlin, 1997), Vol. 3, pp. 399–401.
  8. K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
    [CrossRef]
  9. M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Noise characteristics and detectivity of YBa2Cu3O7 superconducting bolometers: bias current, frequency, and temperature dependence,” J. Appl. Phys. 79, 2006–2011 (1996).
    [CrossRef]
  10. G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
    [CrossRef]
  11. A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
    [CrossRef]
  12. S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
    [CrossRef]
  13. M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
    [CrossRef]
  14. U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
    [CrossRef]
  15. P. E. Phelan, “Thermal response of thin-film high-Tc superconductors,” J. Therm. Phys. Heat Transfer 9, 397–402 (1995).
    [CrossRef]
  16. D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
    [CrossRef]
  17. Q. Hu, P. L. Richards, “Design analysis of a high-Tc superconducting bolometer,” Appl. Phys. Lett. 55, 2444–2446 (1989).
    [CrossRef]
  18. T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
    [CrossRef]
  19. K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
    [CrossRef]
  20. A. S. Barker, M. Tinkham, “Far-infrared ferroelectric vibration mode in SrTiO,” Phys. Rev. 125, 1527–1530 (1962).
    [CrossRef]
  21. J. C. Galzerani, R. S. Katiyar, “The infrared reflectivity in SrTiO and the antidistortive transition,” Solid State Commun. 41, 515–519 (1989).
    [CrossRef]
  22. Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
    [CrossRef]
  23. D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
    [CrossRef]

1998

M. Fardmanesh, K. J. Scoles, A. Rothwarf, “DC charateristics of patterned YBa2Cu3O7–x superconducting thin film bolometers: artifacts related to Joule heating, ambient pressure, and microstructure,” IEEE Trans. Appl. Supercond. 8, 69–78 (1998).
[CrossRef]

1996

J. M. Phillips, “Substrate selection for high-temperature superconducting thin films,” J. Appl. Phys. 79, 1829–1848 (1996).
[CrossRef]

K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Noise characteristics and detectivity of YBa2Cu3O7 superconducting bolometers: bias current, frequency, and temperature dependence,” J. Appl. Phys. 79, 2006–2011 (1996).
[CrossRef]

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

1995

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “YBa2Cu3O7–x infrared bolometers: temperature dependent responsivity and deviations from the dR/dT curve,” J. Appl. Phys. 77, 4568–4575 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Low and midrange modulation frequency response for YBCO infrared detectors: interface effects on the amplitude and phase,” IEEE Trans. Appl. Supercond. 5, 7–13 (1995).
[CrossRef]

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

P. E. Phelan, “Thermal response of thin-film high-Tc superconductors,” J. Therm. Phys. Heat Transfer 9, 397–402 (1995).
[CrossRef]

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

1994

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

1993

D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
[CrossRef]

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

1992

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

1991

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

1990

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

1989

Q. Hu, P. L. Richards, “Design analysis of a high-Tc superconducting bolometer,” Appl. Phys. Lett. 55, 2444–2446 (1989).
[CrossRef]

J. C. Galzerani, R. S. Katiyar, “The infrared reflectivity in SrTiO and the antidistortive transition,” Solid State Commun. 41, 515–519 (1989).
[CrossRef]

1962

A. S. Barker, M. Tinkham, “Far-infrared ferroelectric vibration mode in SrTiO,” Phys. Rev. 125, 1527–1530 (1962).
[CrossRef]

Bae, S. J.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Barker, A. S.

A. S. Barker, M. Tinkham, “Far-infrared ferroelectric vibration mode in SrTiO,” Phys. Rev. 125, 1527–1530 (1962).
[CrossRef]

Barth, K. L.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Bea, Y. S.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Beauchamp, K.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Cardona, M.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Chen, H. Z.

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

Chen, Y. C.

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

Cho, C. H.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Choi, B. I.

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

Chou, H.

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

Chow, T. C.

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

Cole, B. E.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Cole, B. F.

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

Fardmanesh, M.

M. Fardmanesh, K. J. Scoles, A. Rothwarf, “DC charateristics of patterned YBa2Cu3O7–x superconducting thin film bolometers: artifacts related to Joule heating, ambient pressure, and microstructure,” IEEE Trans. Appl. Supercond. 8, 69–78 (1998).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Noise characteristics and detectivity of YBa2Cu3O7 superconducting bolometers: bias current, frequency, and temperature dependence,” J. Appl. Phys. 79, 2006–2011 (1996).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Low and midrange modulation frequency response for YBCO infrared detectors: interface effects on the amplitude and phase,” IEEE Trans. Appl. Supercond. 5, 7–13 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “YBa2Cu3O7–x infrared bolometers: temperature dependent responsivity and deviations from the dR/dT curve,” J. Appl. Phys. 77, 4568–4575 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “The responsivity and detectivity limits for patterned YBa2Cu3O7–x superconductive IR-detectors,” in Proceedings of the Sixth International Superconductive Electronics Conference, H. Kock, S. Knappe, eds. (Physikaisch-Technidsche Bundesanstalt, Berlin, 1997), Vol. 3, pp. 399–401.

Fishman, M. R.

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

Flik, M. I.

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

Galzerani, J. C.

J. C. Galzerani, R. S. Katiyar, “The infrared reflectivity in SrTiO and the antidistortive transition,” Solid State Commun. 41, 515–519 (1989).
[CrossRef]

Gershenzon, E. M.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Goghize, I. G.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Gol’tsman, G. N.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Goldman, A. M.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Habermeier, H. U.

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

Hao, J. H.

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

Hegmann, F. A.

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

Heitmann, D.

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

Henn, R.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Hilton, G. C.

K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
[CrossRef]

Hong, M. T.

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

Hong, S.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Hu, Q.

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

Q. Hu, P. L. Richards, “Design analysis of a high-Tc superconducting bolometer,” Appl. Phys. Lett. 55, 2444–2446 (1989).
[CrossRef]

Irwin, K. D.

K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
[CrossRef]

Janik, D.

D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
[CrossRef]

Johnson, B.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Kamaras, K.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Karasik, B. S.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Katiyar, R. S.

J. C. Galzerani, R. S. Katiyar, “The infrared reflectivity in SrTiO and the antidistortive transition,” Solid State Commun. 41, 515–519 (1989).
[CrossRef]

Katz, M.

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

Keilmann, F.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Kim, E.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Kim, Y. K.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Kircher, J.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Konig, W.

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

Koren, G.

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

Kouminov, P.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Kruse, P. W.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Lachapelle, J.

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

Le, T. A.

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

Li, Z. G.

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

Martinis, J. M.

K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
[CrossRef]

May, D.

D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
[CrossRef]

Moffat, S. H.

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

Nahum, M.

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

Newman, N.

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

No, K.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Oppenheim, U. P.

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

Phelan, P. E.

P. E. Phelan, “Thermal response of thin-film high-Tc superconductors,” J. Therm. Phys. Heat Transfer 9, 397–402 (1995).
[CrossRef]

Phillips, J. M.

J. M. Phillips, “Substrate selection for high-temperature superconducting thin films,” J. Appl. Phys. 79, 1829–1848 (1996).
[CrossRef]

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

Polturak, E.

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

Poulin, G. D.

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

Preston, J. S.

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

Reedyk, M.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Richards, P. L.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

Q. Hu, P. L. Richards, “Design analysis of a high-Tc superconducting bolometer,” Appl. Phys. Lett. 55, 2444–2446 (1989).
[CrossRef]

Rothwarf, A.

M. Fardmanesh, K. J. Scoles, A. Rothwarf, “DC charateristics of patterned YBa2Cu3O7–x superconducting thin film bolometers: artifacts related to Joule heating, ambient pressure, and microstructure,” IEEE Trans. Appl. Supercond. 8, 69–78 (1998).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Noise characteristics and detectivity of YBa2Cu3O7 superconducting bolometers: bias current, frequency, and temperature dependence,” J. Appl. Phys. 79, 2006–2011 (1996).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “YBa2Cu3O7–x infrared bolometers: temperature dependent responsivity and deviations from the dR/dT curve,” J. Appl. Phys. 77, 4568–4575 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Low and midrange modulation frequency response for YBCO infrared detectors: interface effects on the amplitude and phase,” IEEE Trans. Appl. Supercond. 5, 7–13 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “The responsivity and detectivity limits for patterned YBa2Cu3O7–x superconductive IR-detectors,” in Proceedings of the Sixth International Superconductive Electronics Conference, H. Kock, S. Knappe, eds. (Physikaisch-Technidsche Bundesanstalt, Berlin, 1997), Vol. 3, pp. 399–401.

Sachtjen, S. A.

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

Schneider, R.

D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
[CrossRef]

Scoles, K. J.

M. Fardmanesh, K. J. Scoles, A. Rothwarf, “DC charateristics of patterned YBa2Cu3O7–x superconducting thin film bolometers: artifacts related to Joule heating, ambient pressure, and microstructure,” IEEE Trans. Appl. Supercond. 8, 69–78 (1998).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Noise characteristics and detectivity of YBa2Cu3O7 superconducting bolometers: bias current, frequency, and temperature dependence,” J. Appl. Phys. 79, 2006–2011 (1996).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Low and midrange modulation frequency response for YBCO infrared detectors: interface effects on the amplitude and phase,” IEEE Trans. Appl. Supercond. 5, 7–13 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “YBa2Cu3O7–x infrared bolometers: temperature dependent responsivity and deviations from the dR/dT curve,” J. Appl. Phys. 77, 4568–4575 (1995).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “The responsivity and detectivity limits for patterned YBa2Cu3O7–x superconductive IR-detectors,” in Proceedings of the Sixth International Superconductive Electronics Conference, H. Kock, S. Knappe, eds. (Physikaisch-Technidsche Bundesanstalt, Berlin, 1997), Vol. 3, pp. 399–401.

Semenov, A. D.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Sergeev, A. V.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Shin, W.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Siegal, M. P.

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

Stehle, J. L.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Stratton, T. G.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Sun, H. D.

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

Sung, T.-H.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Thomsen, C.

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

Tinkham, M.

A. S. Barker, M. Tinkham, “Far-infrared ferroelectric vibration mode in SrTiO,” Phys. Rev. 125, 1527–1530 (1962).
[CrossRef]

Trifonov, V.

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Van der Marel, D.

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

Wang, T. F.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Wittlin, A.

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

Wolf, H.

D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
[CrossRef]

Wollman, D. A.

K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
[CrossRef]

Wood, R. A.

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

Yi, X. J.

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

Zhang, Z. M.

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

Zhou, F. Q.

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

Appl. Phys. Lett.

H. Chou, H. Z. Chen, M. T. Hong, Y. C. Chen, T. C. Chow, “Bolometric detection in a precipitation free YBa2Cu3O7–x film at 77 K,” Appl. Phys. Lett. 68, 2741–2743 (1996).
[CrossRef]

K. D. Irwin, G. C. Hilton, D. A. Wollman, J. M. Martinis, “X-ray detection using a superconducting transition-edge sensor microcalorimeter with electrothermal feedback,” Appl. Phys. Lett. 69, 1945–1947 (1996).
[CrossRef]

G. D. Poulin, J. Lachapelle, S. H. Moffat, F. A. Hegmann, J. S. Preston, “Current–voltage characteristics of dc voltage biased high temperature superconducting microbridges,” Appl. Phys. Lett. 66, 2576–2578 (1995).
[CrossRef]

Q. Hu, P. L. Richards, “Design analysis of a high-Tc superconducting bolometer,” Appl. Phys. Lett. 55, 2444–2446 (1989).
[CrossRef]

T. G. Stratton, B. E. Cole, P. W. Kruse, R. A. Wood, K. Beauchamp, T. F. Wang, B. Johnson, A. M. Goldman, “High-temperature superconducting bolometer,” Appl. Phys. Lett. 57, 99–100 (1990).
[CrossRef]

IEEE Trans. Appl. Supercond.

J. H. Hao, F. Q. Zhou, H. D. Sun, X. J. Yi, Z. G. Li, “Responsivity calculation and measurement of YBaCuO optical detector,” IEEE Trans. Appl. Supercond. 3, 2167–2169 (1993).
[CrossRef]

D. Janik, D. May, H. Wolf, R. Schneider, “High-Tc transition-edge bolometer for detecting guided millimeter waves,” IEEE Trans. Appl. Supercond. 3, 2148–2151 (1993).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Low and midrange modulation frequency response for YBCO infrared detectors: interface effects on the amplitude and phase,” IEEE Trans. Appl. Supercond. 5, 7–13 (1995).
[CrossRef]

M. Fardmanesh, K. J. Scoles, A. Rothwarf, “DC charateristics of patterned YBa2Cu3O7–x superconducting thin film bolometers: artifacts related to Joule heating, ambient pressure, and microstructure,” IEEE Trans. Appl. Supercond. 8, 69–78 (1998).
[CrossRef]

IEEE Trans. Magn.

M. Nahum, Q. Hu, P. L. Richards, S. A. Sachtjen, N. Newman, B. F. Cole, “Fabrication and measurement of high Tc superconducting bolometers,” IEEE Trans. Magn. 27, 3081–3084 (1991).
[CrossRef]

J. Appl. Phys.

J. M. Phillips, “Substrate selection for high-temperature superconducting thin films,” J. Appl. Phys. 79, 1829–1848 (1996).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “Noise characteristics and detectivity of YBa2Cu3O7 superconducting bolometers: bias current, frequency, and temperature dependence,” J. Appl. Phys. 79, 2006–2011 (1996).
[CrossRef]

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “YBa2Cu3O7–x infrared bolometers: temperature dependent responsivity and deviations from the dR/dT curve,” J. Appl. Phys. 77, 4568–4575 (1995).
[CrossRef]

K. Kamaras, K. L. Barth, F. Keilmann, R. Henn, M. Reedyk, C. Thomsen, M. Cardona, J. Kircher, P. L. Richards, J. L. Stehle, “The low-temperature infrared optical functions of SrTiO determined by reflectance spectroscopy and spectroscopic ellipsometry,” J. Appl. Phys. 78, 1235–1240 (1995).
[CrossRef]

J. Heat Transfer

Z. M. Zhang, B. I. Choi, T. A. Le, M. I. Flik, M. P. Siegal, J. M. Phillips, “Infrared refractive index of thin YBa2Cu3O7 superconducting films,” J. Heat Transfer 114, 644–652 (1992).
[CrossRef]

J. Therm. Phys. Heat Transfer

P. E. Phelan, “Thermal response of thin-film high-Tc superconductors,” J. Therm. Phys. Heat Transfer 9, 397–402 (1995).
[CrossRef]

Jpn. J. Appl. Phys.

S. J. Bae, S. Hong, E. Kim, W. Shin, C. H. Cho, Y. K. Kim, Y. S. Bea, T.-H. Sung, K. No, “Effect of texturing and microbridge length on the responsivity of YBa2Cu3Ox thin film,” Jpn. J. Appl. Phys. 35, 1716–1719 (1996).
[CrossRef]

Phys. Rev.

A. S. Barker, M. Tinkham, “Far-infrared ferroelectric vibration mode in SrTiO,” Phys. Rev. 125, 1527–1530 (1962).
[CrossRef]

Phys. Rev. B

A. V. Sergeev, A. D. Semenov, P. Kouminov, V. Trifonov, I. G. Goghize, B. S. Karasik, G. N. Gol’tsman, E. M. Gershenzon, “Transparency of a YBa2Cu3O7-film–substrate interface for thermal phonons measured by means of voltage response to radiation,” Phys. Rev. B 49, 9091–9096 (1994).
[CrossRef]

Physica C

U. P. Oppenheim, M. Katz, G. Koren, E. Polturak, M. R. Fishman, “High temperature superconducting bolometer,” Physica C 178, 26–28 (1991).
[CrossRef]

D. Van der Marel, H. U. Habermeier, D. Heitmann, W. Konig, A. Wittlin, “Infrared study of the superconducting phase transition in YBa2Cu3O7–x,” Physica C 176, 1–18 (1991).
[CrossRef]

Solid State Commun.

J. C. Galzerani, R. S. Katiyar, “The infrared reflectivity in SrTiO and the antidistortive transition,” Solid State Commun. 41, 515–519 (1989).
[CrossRef]

Other

M. Fardmanesh, A. Rothwarf, K. J. Scoles, “The responsivity and detectivity limits for patterned YBa2Cu3O7–x superconductive IR-detectors,” in Proceedings of the Sixth International Superconductive Electronics Conference, H. Kock, S. Knappe, eds. (Physikaisch-Technidsche Bundesanstalt, Berlin, 1997), Vol. 3, pp. 399–401.

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Figures (5)

Fig. 1
Fig. 1

Noise versus the temperature of sample 064-02b on a 0.025-cm-thick MgO substrate at 10 KHz for 68-, 100-, 255-, and 680-µA bias currents with T c-zero (at 100 µA) = 73 K and T c-onset = 85 K.

Fig. 2
Fig. 2

Measured response versus the modulation frequency for samples with a 0.05-cm-thick MgO substrate (sample 064-03a) and a 0.025-cm-thick MgO substrate (sample 064-02a) by use of a 1-mA bias current and a 2.13-mW/cm2 radiation intensity.

Fig. 3
Fig. 3

Calculated L m versus the modulation frequency for bolometers on crystalline SrTiO3, LaAlO3, and MgO substrate materials.

Fig. 4
Fig. 4

Spectral response of a sample with a 0.05-cm-thick SrTiO3 substrate (sample 064-01a) at 0.55- and 0.97-mA bias currents.

Fig. 5
Fig. 5

Measured spectral absorption of samples with 0.05-cm-thick crystalline SrTiO3, MgO, and LaAlO3 substrates.

Tables (1)

Tables Icon

Table 1 Thermal and Electrical Parameters and Dimensions of the Superconductive Film and the Substrates of Samples with SrTiO3, MgO, and LaAlO3 Substratesa

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

rf=ηIbGt+j2πfCt-Ib2dR/dTdRdT,
Vn=C1+C2Ib,
α=Ib2G0dRdT,
|rf|max=ηGtαG01+2πfτ2dRdT1/2,
Lf=Dπf1/2,
|rf|max=η2πfCtαG0dRdT1/2.

Metrics