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Ferromagnetic metal to cluster-glass insulator transition induced by A-site disorder in manganites
K. F. Wang; Y. Wang; L. F. Wang; S. Dong; H. Yu; Q. C. Li; J. M. Liu; Z. F. Ren
2006
发表期刊Applied Physics Letters
ISSN0003-6951
卷号88期号:15
摘要The magnetotransport behaviors of a series of rare earth manganites with the same A-site cational mean radius and different A-site ionic radii variance (A-site disorder) are investigated. It is found that the system's ground state transforms from ferromagnetic metal to cluster-glass insulator with increasing A-site disorder. In the cluster-glass state, the magnetization shows the steplike behavior, indicating the existence of short-range magnetically ordered clusters. The significant effect of the A-site disorder on the electronic phase separation is revealed by detecting the cluster-glass ground state at low temperature. (c) 2006 American Institute of Physics.
部门归属nanjing univ, solid state microstruct lab, nanjing 210093, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china. boston coll, dept phys, chestnut hill, ma 02467 usa.;liu, jm (reprint author), nanjing univ, solid state microstruct lab, nanjing 210093, peoples r china;liujm@nju.edu.cn
关键词Manganese Oxide Perovskites Phase-separation Cation Disorder Double-exchange Magnetoresistance Resistivity
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WOS记录号WOS:000236796400052
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被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/34514
专题中国科学院金属研究所
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K. F. Wang,Y. Wang,L. F. Wang,et al. Ferromagnetic metal to cluster-glass insulator transition induced by A-site disorder in manganites[J]. Applied Physics Letters,2006,88(15).
APA K. F. Wang.,Y. Wang.,L. F. Wang.,S. Dong.,H. Yu.,...&Z. F. Ren.(2006).Ferromagnetic metal to cluster-glass insulator transition induced by A-site disorder in manganites.Applied Physics Letters,88(15).
MLA K. F. Wang,et al."Ferromagnetic metal to cluster-glass insulator transition induced by A-site disorder in manganites".Applied Physics Letters 88.15(2006).
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