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Spectral dependence of nonbolometric far‐infrared detection with thin‐film Bi2Sr2CaCu2O8
Schneider, G., Huggard, P. G., O'Brien, T. P., Lemoine, P., Blau, W. and Prettl, Wilhelm (1992) Spectral dependence of nonbolometric far‐infrared detection with thin‐film Bi2Sr2CaCu2O8. Applied Physics Letters 60 (5), p. 648.Date of publication of this fulltext: 11 Oct 2010 12:20
Article
DOI to cite this document: 10.5283/epub.17056
Abstract
The photoresponse of granular current biased thin‐film Bi2Sr2CaCu2O8 superconductor to short pulse far infrared radiation has been measured for 16 laser lines, with frequencies between 10 and 1000 cm−1. A strong dependence of the signal on the frequency ω, approximately proportional to ω−2.3, is observed. It is shown, by calculations based on the resistively shunted junction model, that this photosignal can be understood to arise from the ac Josephson effect at grain boundary weak links.
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| Item type | Article | ||||
| Journal or Publication Title | Applied Physics Letters | ||||
| Publisher: | American Institute of Physics | ||||
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| Volume: | 60 | ||||
| Number of Issue or Book Chapter: | 5 | ||||
| Page Range: | p. 648 | ||||
| Date | 1992 | ||||
| Institutions | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Wilhelm Prettl | ||||
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| Classification |
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| Keywords | BISMUTH OXIDES, STRONTIUM OXIDES, CALCIUM OXIDES, CUPRATES, MULTI−ELEMENT COMPOUNDS, HIGH−TC SUPERCONDUCTORS, PHOTODETECTORS, SPECTRAL RESPONSE, GRANULAR MATERIALS, JOSEPHSON EFFECT, WEAK LINKS, INFRARED RADIATION | ||||
| Dewey Decimal Classification | 500 Science > 530 Physics | ||||
| Status | Published | ||||
| Refereed | Yes, this version has been refereed | ||||
| Created at the University of Regensburg | Unknown | ||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-170566 | ||||
| Item ID | 17056 |
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