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In-plane anisotropic vortex pinning and relaxation in a stripe-ordered La1.45Nd0.4Sr0.15CuO4 superconductor
Ding, J. F.; Liu, H.; Huang, X. H.; Yin, Y. W.; Yu, Q. X.; Li, X. G.1
Corresponding AuthorLi, X. G.(lixg@ustc.edu.cn)
2009-04-06
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume94Issue:14Pages:3
AbstractThe angular dependence of the ac susceptibility for the magnetic field rotated in the CuO2 plane of a stripe-ordered La1.45Nd0.4Sr0.15CuO4 single crystal shows an unusual fourfold symmetry below the superconducting transition temperature (T-c). The real part of the ac susceptibility reaches its maximum for the magnetic field parallel to the stripes, and the in-plane anisotropy of the susceptibility is enhanced with increasing temperature, which indicates that the anisotropy can be ascribed to the vortex pinning of the fourfold symmetric static stripe phase. The in-plane dc magnetic relaxation rate also shows the fourfold symmetry and proves the existence of the anisotropic vortex pinning effect.
Keywordflux pinning lanthanum compounds magnetic anisotropy magnetic relaxation superconducting materials superconducting transition temperature transport processes
Funding OrganizationNational Natural Science Foundation of China ; National Basic Research Program of China
DOI10.1063/1.3117506
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50721061] ; National Natural Science Foundation of China[50832007] ; National Basic Research Program of China[2006CB601003] ; National Basic Research Program of China[2006CB922005] ; National Basic Research Program of China[2009CB929502]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000265083700044
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/97947
Collection中国科学院金属研究所
Corresponding AuthorLi, X. G.
Affiliation1.Univ Sci & Technol China, Dept Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Ding, J. F.,Liu, H.,Huang, X. H.,et al. In-plane anisotropic vortex pinning and relaxation in a stripe-ordered La1.45Nd0.4Sr0.15CuO4 superconductor[J]. APPLIED PHYSICS LETTERS,2009,94(14):3.
APA Ding, J. F.,Liu, H.,Huang, X. H.,Yin, Y. W.,Yu, Q. X.,&Li, X. G..(2009).In-plane anisotropic vortex pinning and relaxation in a stripe-ordered La1.45Nd0.4Sr0.15CuO4 superconductor.APPLIED PHYSICS LETTERS,94(14),3.
MLA Ding, J. F.,et al."In-plane anisotropic vortex pinning and relaxation in a stripe-ordered La1.45Nd0.4Sr0.15CuO4 superconductor".APPLIED PHYSICS LETTERS 94.14(2009):3.
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