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Voltage responses to optical pulses of unbiased normal and superconducting samples

 

作者: D. Van Vechten,   K. S. Wood,   G. G. Fritz,   J. S. Horwitz,   G. M. Daly,   J. B. Thrasher,   D. M. Photiadis,   J. Ding,   J. F. Pinto,   M. G. Blamire,   G. Burnell,   A. L. Gyulamiryan,   V. H. Vartanyan,   R. B. Akopyan,   A. M. Gulian,  

 

期刊: Applied Physics Letters  （AIP Available online 1997）
卷期: Volume 71, issue 10  

页码: 1415-1417

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.119910

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The direct transformation of the energy of an incident high-energy photon into a measurable potential difference within an absorbing metal is investigated. Experimental evidence is presented that the effect arises from the inherent energy dependence of the electronic density of states, rather than from a simple temperature excursion. The similarities between the results on Al andYBa2Cu3O7samples indicate that the effect is universal in nature. We assert it may be used as the basis of a fast, energy resolving, individual photon detector for the ultraviolet radiation and x-rays. ©1997 American Institute of Physics.

 

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