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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 12 — Dec. 1, 2013
  • pp: 123101–123101

Lateral photovoltaic ef fects in Bi2Sr2Co2Oy thin films

Guoying Yan, Guangsheng Fu, Zilong Bai, and Shufang Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 12, pp. 123101-123101 (2013)


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Abstract

Lateral photovoltaic (LPV) effects are observed in Bi2Sr2Co2Oy (BSCO) thin films. Upon illumination of a 532-nm constant laser, the lateral photovoltage is observed to vary linearly with the laser position between two electrodes on the film surface, and the position sensitivity can be enhanced by coating a layer of graphite on the surface of the BSCO film as a light absorber. Results suggest that the LPV effect in the thin film is independent of the photo-generated carriers but originates from thermoelectric effects. The present work demonstrates a potential application of BSCO films in position-sensitive photo (thermal) detectors.

© 2013 Chinese Optics Letters

OCIS Codes
(040.5160) Detectors : Photodetectors
(240.0310) Optics at surfaces : Thin films
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Thin Films

Citation
Guoying Yan, Guangsheng Fu, Zilong Bai, and Shufang Wang, "Lateral photovoltaic ef fects in Bi2Sr2Co2Oy thin films," Chin. Opt. Lett. 11, 123101-123101 (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-12-123101

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