Thermodynamic models for molecular-beam epitaxy(MBE) growth of ternary Ⅲ-Ⅴ semiconductor materials are proposed.These models are in agreement with our experimental materials InGaP/GaAs and InGaAs/InP,and reported ...Thermodynamic models for molecular-beam epitaxy(MBE) growth of ternary Ⅲ-Ⅴ semiconductor materials are proposed.These models are in agreement with our experimental materials InGaP/GaAs and InGaAs/InP,and reported GaAsP/GaAs and InAsP/InP in thermodynamic growth.The lattice strain energy △G and thermal decomposition sensitive to growth temperature are demonstrated in the models simultaneously.△G is the function of the alloy composition,which is affected by flux ratio and growth temperature directly.The calculation results reveal that flux ratio and growth temperature mainly influence the growth process.Thermodynamic model of quaternary InGaAsP/GaAs semiconductor material is discussed also.展开更多
基金Projects(06YFJZJC01100,08JCYBJC14800)supported by Applied Basic Study Foundation of Tianjin,ChinaProject(2006AA03Z413)supported by the Hi-tech Research and Development Program of China
文摘Thermodynamic models for molecular-beam epitaxy(MBE) growth of ternary Ⅲ-Ⅴ semiconductor materials are proposed.These models are in agreement with our experimental materials InGaP/GaAs and InGaAs/InP,and reported GaAsP/GaAs and InAsP/InP in thermodynamic growth.The lattice strain energy △G and thermal decomposition sensitive to growth temperature are demonstrated in the models simultaneously.△G is the function of the alloy composition,which is affected by flux ratio and growth temperature directly.The calculation results reveal that flux ratio and growth temperature mainly influence the growth process.Thermodynamic model of quaternary InGaAsP/GaAs semiconductor material is discussed also.
基金Supported by the National Natural Science Foundation of China(61774130,11474248,61790581,51973070)the Ph.D.Pro⁃grams Foundation of Ministry of Education of China(20105303120002)National Key Technology Research and Development Program of the Ministry of Sci⁃ence and Technology of China(2018YFA0209101).