Ab initio study of elastic and electronic properties of cubic thorium pnictides ThPn and Th3Pn4 (Pn = P, As, and Sb)

被引：9

作者：

Shein, I. R. ^{[1
]}

Ivanovskii, A. L. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Ekaterinburg 620990, Russia

来源：

SOLID STATE SCIENCES | 2010年 / 12卷 / 12期

关键词：

Cubic thorium pnictides ThPn Th(3)Pn(4); Electronic elastic properties; Chemical bonding; Ab initio calculations; STRUCTURAL PHASE-TRANSITION; HIGH-PRESSURE; SUPERHARD MATERIALS; OPTICAL-PROPERTIES; CRYSTAL-STRUCTURE; BAND-STRUCTURE; STABILITY; 1ST-PRINCIPLE; EQUATION; NITRIDE;

D O I：

10.1016/j.solidstatesciences.2010.09.007

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Full-potential linearized augmented plane-wave method with the generalized gradient approximation for the exchange-correlation potential was applied for comparative study of elastic and electronic properties of six cubic thorium pnictides ThPn and Th(3)Pn(4) where Pn = P As and Sb Optimized lattice parameters theoretical density independent elastic constants (C-U) bulk moduli (B) shear moduli (G) Young s moduli (Y) and Poisson s ratio (v) were obtained for the first time and analyzed in comparison with available theoretical and experimental data The electronic band structures total and partial densities of states for all ThPn and Th(3)Pn(4) phases were examined systematically Moreover the inter-atomic bonding pictures in thorium pnictides as well as the relative stability of ThPn versus Th(3)Pn(4) phases were discussed (C) 2010 Elsevier Masson SAS All rights reserved

引用

页码：2106 / 2112

页数：7

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