High temperature enthalpy and heat capacity of GaN

被引：59

作者：

Leitner, J

Strejc, A

Sedmidubsky, D

Ruzicka, K

机构：

[1] Inst Chem Technol, Dept Solid State Engn, CR-16628 Prague 6, Czech Republic

[2] Inst Chem Technol, Dept Inorgan Chem, CR-16628 Prague, Czech Republic

[3] Inst Chem Technol, Dept Phys Chem, CR-16628 Prague 6, Czech Republic

来源：

THERMOCHIMICA ACTA | 2003年 / 401卷 / 02期

关键词：

gallium nitride; heat capacity; heat content; thermodynamic functions;

D O I：

10.1016/S0040-6031(02)00547-6

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The heat capacity and the heat content of gallium nitride were measured by calvet calorimetry (320-570 K) and by drop calorimetry(670-1270 K), respectively. The temperature dependence of the heat capacity in the form C-pm = 49.552 + 5.440 x 10(-3) T - 2.190 x 10(6) T-2 + 2.460 x 10(8)T(-3) was derived by the least squares method. Furthermore, thermodynamic functions calculated on the basis of our experimental results and literature data on the molar entropy and the heat of formation of GaN are given. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：169 / 173

页数：5

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