Residual impurities and electrical properties of undoped LEC InAs single crystals
非掺杂LEC-InAs单晶的残留杂质与电学性能研究

Impurities and their influence on the properties of InAs single crystals have been studied by combining the results of glow discharge mass spectrometry (GDMS), Hall measurements, Raman scattering and infrared absorption. The results indicate that carbon is a major impurity in LEC-InAs single crystals and exhibits a significant influence on the electrical and optical properties.