Thermodynamic properties of La1-xAxCoO3 (A=K, Cd, Pr and Nd)

被引：6

作者：

Thakur, Rasna ^{[1
]}

Gaur, N. K. ^{[1
]}

机构：

[1] Barkatullah Univ, Dept Phys, Bhopal 462026, India

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2013年 / 201卷

关键词：

Specific heat; Thermal expansion; Bulk modulus; Cobaltate; SPIN-STATE; TRANSITIONS; STABILITY; LACOO3;

D O I：

10.1016/j.jssc.2013.02.018

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We have calculated the thermal and allied properties of La(1-x)A(x)CoO(3) (A=K, Cd, Pr, Nd and 0 <= x <= 1) as a function of temperature 1 K <= T <= 300 K for the first time using Modified Rigid Ion Model (MRIM). The calculated bulk modulus, specific heat, thermal expansion and other thermodynamic properties obtained from MRIM have presented proper interpretation of the experimental data, for monovalent (K+), divalent(Cd2+) and trivalent (Pr3+ and Nd3+) ion-doped LaCoO3. In addition, the results on the cohesive energy (phi), molecular force constant (f), Reststrahlen frequency (D), Debye temperature (theta(D)) and Gruneisen parameter (gamma) are also discussed. (C) 2013 Elsevier Inc. All rights reserved.

引用

收藏

页码：107 / 114

页数：8

相关论文

共 35 条

[1] ELECTRONIC-PROPERTIES OF THE DEFECT PEROVSKITE SYSTEM LA1-XLIXMO3 [J].

BAHADUR, D ;

BILAS, R ;

MURTY, BSR .

PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1989, 154 (01) :297-303

[2] Synthesis and measurement of structural and magnetic properties of K-doped LaCoO3 perovskite materials [J].

Bellakki, Manjunath B. ;

Madhu, C. ;

Greindl, Tobias ;

Kohli, Sandeep ;

McCurdy, Patrick ;

Manivannan, V. .

RARE METALS, 2010, 29 (05) :491-500

[3] Synthesis, and measurement of structural and magnetic properties, of La1-xCdxCoO3 perovskite ceramic oxides [J].

Bellakki, Manjunath B. ;

Das, Jaydip ;

Manivannan, V. .

JOURNAL OF ELECTROCERAMICS, 2010, 24 (04) :319-325

[4] SIMPLE-MODEL FOR ESTIMATING THE ANISOTROPIC COMPRESSIBILITY OF HIGH-TEMPERATURE SUPERCONDUCTORS [J].

CORNELIUS, AL ;

KLOTZ, S ;

SCHILLING, JS .

PHYSICA C, 1992, 197 (3-4) :209-223

[5] Structures and stability of ABO3 orthorhombic perovskites at the Earth's mantle conditions from first-principles theory [J].

Fang, Chang-Ming ;

Ahuja, Rajeev .

PHYSICS OF THE EARTH AND PLANETARY INTERIORS, 2006, 157 (1-2) :1-7

[6] Negative pressure driven phase transformation in Sr doped SmCoO3 [J].

Farhan, M. Arshad ;

Akhtar, M. Javed .

JOURNAL OF PHYSICS-CONDENSED MATTER, 2010, 22 (07)

[7] Infrared-active phonons of LaMnO3 and CaMnO3 [J].

Fedorov, I ;

Lorenzana, J ;

Dore, P ;

De Marzi, G ;

Maselli, P ;

Calvani, P ;

Cheong, SW ;

Koval, S ;

Migoni, R .

PHYSICAL REVIEW B, 1999, 60 (17) :11875-11878

[8] Thermal Properties of Ln0.7Ca0.3CoO3 (Ln = La, Pr, and Nd) Perovskites [J].

Gaur, N. K. ;

Thakur, Rasna ;

Thakur, Rajesh K. .

INTERNATIONAL JOURNAL OF THERMOPHYSICS, 2012, 33 (12) :2311-2322

[9] LATTICE ENERGIES OF CRYSTALS WITH MULTIPLE IONS - A GENERALIZED KAPUSTINSKII EQUATION [J].

GLASSER, L .

INORGANIC CHEMISTRY, 1995, 34 (20) :4935-4936

[10] Heat capacity study of magnetoelectronic phase separation in La1-xSrxCoO3 single crystals [J].

He, C. ;

Eisenberg, S. ;

Jan, C. ;

Zheng, H. ;

Mitchell, J. F. ;

Leighton, C. .

PHYSICAL REVIEW B, 2009, 80 (21)

← 1 2 3 4 →