Structural, elastic, electronic and thermodynamic properties of Nd2Te via first principle calculations

被引：0

作者：

Mogulkoc, Y. ^{[1
]}

Ciftci, Y. O. ^{[2
]}

Colakoglu, K. ^{[2
]}

机构：

[1] Ankara Univ, Dept Engn Phys, TR-06100 Ankara, Turkey

[2] Gazi Univ, Dept Phys, Ankara, Turkey

来源：

JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2011年 / 13卷 / 7-8期

关键词：

Ab-initio; Electronic properties; Thermodynamic properties; Nd2Te; Plane-wave pseudopotential; TOTAL-ENERGY CALCULATIONS; WAVE BASIS-SET; AB-INITIO; 1ST-PRINCIPLES CALCULATIONS; HIGH-PRESSURE; PHASE; TRANSITION; SOLIDS; METALS; MGF2;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structural, elastic, electronic and thermodynamic properties of Nd2Te compound are investigated using the methods of density functional theory within the generalized gradient approximation (GGA). The thermodynamic property is obtained through the quasi-harmonic Debye model. The results on the basic physical parameters, such as the lattice constant, bulk modulus, pressure derivative of bulk modulus, phase-transition pressure (P-t), second-order elastic constants, Zener anisotropy factor, Poisson's ratio, Young's modulus, and isotropic shear modulus are presented. In order to gain further information, the pressure and temperature- dependent behaviour of the volume, bulk modulus, thermal expansion coefficient, heat capacity, entropy, Debye temperature and Gruneisen parameter are also evaluated over a pressure range of 0-15 GPa and a wide temperature range of 0-1200 K.

引用

页码：946 / 951

页数：6

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