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Laser induced photovoltages in B-riched MgB2 thin films
Wang, Yang1,2; Zhao, Songqing1; Zhao, Kun1,2,3
Corresponding AuthorZhao, Kun(zhk@cup.edu.cn)
2011
Source PublicationOPTIK
ISSN0030-4026
Volume122Issue:24Pages:2234-2236
AbstractUltrafast photoelectric effects have been observed in MgB2 thin films fabricated by chemical vapor deposition on MgO (1 1 1) substrates. The rise time and full width at half-maximum of the photoresponse pulse signals were about 2.4 and 4 us under the irradiation of a 248 urn laser pulse of 20 ns in duration through the MgO substrate at ambient temperature without any bias. Furthermore, the signal polarity is directly bound up with the laser illumination positions, while no photovoltage was observed when the MgO (1 1 1) single crystal was irradiated. The inner origin mechanism of the present positions-dependent photovoltaic response was discussed. (C) 2011 Elsevier GmbH. All rights reserved.
KeywordMgB2 thin film Ultrafast photovoltaic effect Dember effect Position-sensitive photodetectors
Funding OrganizationNew Century Excellent Talents in University ; National Natural Science Foundation of China ; Research Fund for the Doctoral Program of Higher Education
DOI10.1016/j.ijleo.2011.02.016
Indexed BySCI
Language英语
Funding ProjectNew Century Excellent Talents in University ; National Natural Science Foundation of China ; Research Fund for the Doctoral Program of Higher Education
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000300116900017
PublisherELSEVIER GMBH, URBAN & FISCHER VERLAG
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/107265
Collection中国科学院金属研究所
Corresponding AuthorZhao, Kun
Affiliation1.China Univ Petr, Coll Sci, Lab Opt Sensing & Detecting Technol, Beijing 102249, Peoples R China
2.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yang,Zhao, Songqing,Zhao, Kun. Laser induced photovoltages in B-riched MgB2 thin films[J]. OPTIK,2011,122(24):2234-2236.
APA Wang, Yang,Zhao, Songqing,&Zhao, Kun.(2011).Laser induced photovoltages in B-riched MgB2 thin films.OPTIK,122(24),2234-2236.
MLA Wang, Yang,et al."Laser induced photovoltages in B-riched MgB2 thin films".OPTIK 122.24(2011):2234-2236.
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