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题名: Evidence of two distinct dynamical freezing processes in single-layered perovskite La0.7Sr1.3CoO4
作者: Mao, Jinhua1;  Sui, Yu1, 2;  Zhang, Xingquan1;  Wang, Xianjie1;  Su, Yantao1;  Wang, Yang1;  Wang, Yi1;  Liu, Zhiguo1;  Zhu, Ruibin1;  Liu, Xiaoyang3;  Liu, Wanfa4
刊名: JOURNAL OF PHYSICS-CONDENSED MATTER
发表日期: 2011-08-24
DOI: 10.1088/0953-8984/23/33/336001
卷: 23, 期:33
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Condensed Matter
研究领域[WOS]: Physics
英文摘要: The static and dynamic features of magnetization have been investigated in terms of dc magnetization, ac susceptibility, and memory effects on single-layered perovskite La0.7Sr1.3CoO4. The results indicate that short-range ferromagnetic clusters coexist with the glassy magnetic state, i. e., a cluster-glass phase between T-f and T-G and a spin-glass-like phase below T-f. The clear evidence of memory effects in the dc magnetization is also observed below T-f and T-G, respectively. These two glassy states with cooperative relaxation processes may derive from the different interaction processes among nanoscale ferromagnetic clusters mediated by the matrix, which is influenced by changing the spin state of Co3+ ions in spontaneously phase-separated cobaltite.
关键词[WOS]: LA1-XSRXCOO3
语种: 英语
WOS记录号: WOS:000294060600023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142462
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Harbin Inst Technol, Dept Phys, CCMST, Harbin 150001, Peoples R China
2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
3.Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
4.Chinese Acad Sci, Key Lab Chem Lasers, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Mao, Jinhua,Sui, Yu,Zhang, Xingquan,et al. Evidence of two distinct dynamical freezing processes in single-layered perovskite La0.7Sr1.3CoO4[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2011,23(33).
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