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Anomalies of the photo‐response and thermal boundary resistance of a YBaCuO/YSZ structure
Author(s) -
BonchOsmolovskii M. M.,
Galkina T. I.,
Golovashkin A. I.,
Dovydenko K. Yu.,
Klokov A. Yu.,
Krasnosvobodtsev S. I.,
Oktyabrskii S. R.,
Romanov E. G.
Publication year - 1993
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19935050403
Subject(s) - materials science , bolometer , excitation , yttria stabilized zirconia , amplitude , thermal , thermal resistance , boundary (topology) , interfacial thermal resistance , optoelectronics , condensed matter physics , optics , composite material , thermodynamics , physics , ceramic , cubic zirconia , mathematical analysis , mathematics , quantum mechanics , detector
The photoresponse of a YBaCuO/ZrO 2 bolometric structure was measured under modulated (λ = 630 nm) and pulsed (τ ≈ 7 – 8 ns; λ = 337 nm) laser excitation. The shape of the measured photoresponse was interpreted by a thermal model; nevertheless, the pulse amplitude for vanishing YBaCuO film resistance was 5–6 times greater than predicted; the thermal boundary resistance R Bd between YBaCuO and YSZ was evaluated ⋍ 10 −2 K × cm 2 /Watt, which is considerably larger than estimated theoretically for the similar situation of YBaCuO/MgO [5].
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