THERMODYNAMIC CALCULATION OF THE DEPENDENCE OF THE WIDTH OF THE BAND-GAP ON THE COMPOSITION OF MULTICOMPONENT SOLID-SOLUTIONS BASED ON III-V COMPOUNDS

被引：0
|
作者：
LITVAK, AM
CHARYKOV, NA
机构：
来源：
SOVIET PHYSICS SEMICONDUCTORS-USSR | 1990年 / 24卷 / 12期
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中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A new method for the calculation of the width of the band gap of multicomponent III-V solid solutions is based on a thermodynamic analysis of the case of direct transitions. A relationship is established between a "sag" parameter DELTA-E(g), representing the deviation of the experimental dependence from linearity, and a parameter DELTA-H representing nonideal behavior of the molar enthalpy of several solid solutions. Thermodynamic expressions are proposed for the calculation of DELTA-E(g) and of the width of the band gap of multicomponent solid solutions.
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页码：1307 / 1310
页数：4
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