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Correlation between the ferromagnetic metal percolation and the sign evolution of angular dependent magnetoresistance in Pr0.7Ca0.3MnO3 film
Zhang, Y. Q.1,2; Meng, H.1,2; Wang, X. W.1,2; Liu, J. J.3; Du, J.3; Zhang, Z. D.1,2
Corresponding AuthorZhang, Y. Q.(yqzhang@imr.ac.cn)
2011-12-19
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume99Issue:25Pages:4
AbstractAngular dependent magnetoresistance (AMR) phenomena in Pr0.7Ca0.3MnO3 film have been investigated. A transition between cos(2)theta dependent AMR in an insulating state at low fields and sin(2)theta dependent AMR in a metal state at high fields is observed at intermediate fields, depending on the temperature and/or strength of an applied magnetic field. Although the AMR sign evolution process from cos(2)theta dependence to sin(2)theta dependence at low temperature is different from that at high temperature due to existence of ferromagnetic insulator besides charge ordering antiferromagnetic insulator, we believe that such AMR sign evolutions are closely related with magnetic-field-induced ferromagnetic metal percolation behavior. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3670399]
Funding OrganizationNational Basic Research Program ; Ministry of Science and Technology of China ; NNSF of China
DOI10.1063/1.3670399
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program[2010CB934603] ; Ministry of Science and Technology of China ; NNSF of China[50802098] ; NNSF of China[50902128]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000299031600039
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105694
Collection中国科学院金属研究所
Corresponding AuthorZhang, Y. Q.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Y. Q.,Meng, H.,Wang, X. W.,et al. Correlation between the ferromagnetic metal percolation and the sign evolution of angular dependent magnetoresistance in Pr0.7Ca0.3MnO3 film[J]. APPLIED PHYSICS LETTERS,2011,99(25):4.
APA Zhang, Y. Q.,Meng, H.,Wang, X. W.,Liu, J. J.,Du, J.,&Zhang, Z. D..(2011).Correlation between the ferromagnetic metal percolation and the sign evolution of angular dependent magnetoresistance in Pr0.7Ca0.3MnO3 film.APPLIED PHYSICS LETTERS,99(25),4.
MLA Zhang, Y. Q.,et al."Correlation between the ferromagnetic metal percolation and the sign evolution of angular dependent magnetoresistance in Pr0.7Ca0.3MnO3 film".APPLIED PHYSICS LETTERS 99.25(2011):4.
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