Growth, magnetic properties, and Raman scattering of La2NiMnO6 single crystals

被引：51

作者：

Iliev, M. N. ^{[1
]}

Gospodinov, M. M. ^{[2
]}

Singh, M. P. ^{[3
]}

Meen, J. ^{[1
]}

Truong, K. D. ^{[3
]}

Fournier, P. ^{[3
]}

Jandl, S. ^{[3
]}

机构：

[1] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA

[2] Bulgarian Acad Sci, Inst Solid State Phys, BU-1184 Sofia, Bulgaria

[3] Univ Sherbrooke, Dept Phys, Sherbrooke, PQ J1K 2R1, Canada

来源：

JOURNAL OF APPLIED PHYSICS | 2009年 / 106卷 / 02期

关键词：

TEMPERATURE;

D O I：

10.1063/1.3176945

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Millimeter size single crystals of double-perovskite La2NiMnO6 were grown by the high-temperature solution growth method. The magnetic measurements and polarized Raman spectra between 5 and 350 K provide evidence that the crystals have a high degree of Ni2+/Mn4+ ordering, a small amount of lattice defects, and the highest T-c=288 K reported so far for ferromagnetic double perovskites. At a microscopic level, the crystals are heavily twinned, and the effect of twinning on the Raman spectra is analyzed in detail. (c) 2009 American Institute of Physics. [DOI: 10.1063/1.3176945]

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页数：5

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