Temperature-induced phase transition of rhodium-doped LaMn_(1-x)Rh_xO_3 (0.1 <= x <= 0.5)-type compounds

Md. Tahidul Haque; Hirohisa Satoh; Naoki Kamegashira

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Temperature-induced phase transition of rhodium-doped LaMn_(1-x)Rh_xO_3 (0.1 <= x <= 0.5)-type compounds

机译：铑掺杂LaMn_（1-x）Rh_xO_3（0.1 <= x <= 0.5）型化合物的温度诱导相变

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摘要

The structural phase transitions from orthorhombic (Pnma) to rhombohedral (R(3-bar)c) were observed near 573 and 973 K for LaMn_(0.9)Rh_(0.1)O_3 and LaMn_(0.7)Rh_(0.3)O_3, respectively, by the high-temperature X-ray diffractometry. The phase transition was also confirmed by thermal analysis. The phase transition temperature increased with an increase of Rh content.

机译：对于LaMn_（0.9）Rh_（0.1）O_3和LaMn_（0.7）Rh_（0.3）O_3，分别在573和973 K附近观察到了从正交晶（Pnma）到菱面体（R（3-bar）c）的结构相变，通过高温X射线衍射法。通过热分析也证实了相变。随着Rh含量的增加，相变温度升高。

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来源
《Materials Letters》 |2004年第10期|p.1571-1575|共5页
作者
Md. Tahidul Haque; Hirohisa Satoh; Naoki Kamegashira;
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作者单位

Department of Materials Science, Toyohashi University of Technology, Tempaku-cho, Toyohashi 441-8580, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
Perovskite; Crystal structure; High-temperature X-ray diffractometry; Phase transition; Thermal analysis; Lanthanum manganese rhodium oxide;

机译：钙钛矿;晶体结构;高温X射线衍射;相变;热分析;镧锰铑氧化物;

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Temperature-induced phase transition of rhodium-doped LaMn_(1-x)Rh_xO_3 (0.1 <= x <= 0.5)-type compounds

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