Single-crystal growth of La2-2xSr1+2xMn2O7 under pressure

被引：12
作者：
Prabhakaran, D [1 ]
Boothroyd, AT [1 ]
机构：
[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2003年 / 14卷 / 09期
关键词：
D O I：
10.1023/A:1024518407418
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Large single crystals of La2-2xSr1+2xMn2O7 (x= 0.3 to 0.525) have been prepared under controlled atmospheric conditions. The crystals were grown by the floating-zone technique in an image furnace under a mixed oxygen/argon atmosphere pressurized to 6-8 x 10(5) Pa. Rectangular single crystals with sizes up to 50 x 9 x 4 mm(3) have been obtained. The phase-purity, composition, and quality of the crystals were analyzed by X-ray diffraction and electron probe microanalysis. The magnetic behavior is found to be sensitive to the composition of the atmosphere during growth. (C) 2003 Kluwer Academic Publishers.
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页码：587 / 589
页数：3
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