Phase transition of (Nd, Sm)AlO3

被引：0

作者：

Horiuchi, H ^{[1
]}

Saitow, A ^{[1
]}

Tanaka, M ^{[1
]}

Toetsu, S ^{[1
]}

Yoshikawa, A ^{[1
]}

Fukuda, T ^{[1
]}

Mizota, T ^{[1
]}

机构：

[1] Hirosaki Univ, Fac Educ, Hirosaki, Aomori 0368560, Japan

来源：

JAPAN INSTITUTE OF METALS, PROCEEDINGS, VOL 12, (JIMIC-3), PTS 1 AND 2: SOLID - SOLID PHASE TRANSFORMATIONS | 1999年

关键词：

perovskite; phase transition; (Nd-x; Sm1-x)AlO3; rare earth aluminate; X-ray diffraction; DSC;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Solid solution of (Nd-x, Sm1-x)AlO3 was synthesized by a solid state reaction and the structural change caused by the substitution of Nd for Sm was investigated by X-ray powder diffraction at room temperature. Phase transitions from orthorhombic to trigonal forms were also observed by the use of a high-temperature powder X-ray diffraction and a differential scanning calorimetry. The phase transition temperatures T-c are linearly related to the amount of the substitution of Nd for Sm. Thus, T-c and the structural characteristics such as lattice distortion are controllable by an appropriate amount of substitution of Nd for Sm. It is concluded that the phase transitions belong to a first-order transition from the structural relationship between low and high temperature forms.

引用

页码：1397 / 1400

页数：4

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