Heat capacity and thermal expansion of samarium titanate

被引：4

作者：

Panneerselvam, G. ^{[1
]}

Krishnan, R. Venkata ^{[1
]}

Nagarajan, K. ^{[1
]}

Antony, M. P. ^{[1
]}

机构：

[1] Indira Gandhi Ctr Atom Res, Post Irradiat Studies Sect, Div Fuel Chem, Chem Grp, Kalpakkam 603102, Tamil Nadu, India

来源：

MATERIALS LETTERS | 2011年 / 65卷 / 12期

关键词：

Samarium titanate; Heat capacity; Thermal expansion; Titanate; MIXED OXIDES; DYSPROSIUM; TIO2;

D O I：

10.1016/j.matlet.2011.03.051

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Samarium titanate (Sm(2)TiO(5)) was prepared by solid-state synthesis and characterized by X-ray diffraction (XRD). Heat capacity measurements were carried out by differential scanning calorimeter (DSC) in the temperature range 298-800 K. Thermal expansion characteristics have been studied by high temperature X-ray diffraction technique (HTXRD) in the temperature range 298-1573 K. The heat capacity value at 298 K is 170 JK(-1) mol(-1). The percentage linear thermal expansion in the temperature range 298-1573 K along a, b and c axes are 0.96, 0.89 and 1.07 respectively. The average coefficient of thermal expansion value obtained in the present study for samarium titanate up to 1573 K is 10.8 x 10(-6) K(-1). (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1778 / 1780

页数：3

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