Abstract
We study the conductivity and magnetoresistance of the α‴ phase solid solution of (Cd1−xZnx)3As2 (x = 0.45). Single crystals of (Cd1−xZnx)3As2 are obtained by the modified Bridgman method. The space group and tetragonal lattice parameters of single crystals are found to be I41/amd and a = b = 8.56(5) Å, c = 24.16(6) Å. The temperature dependence of the conductivity and magnetoresistance is studied in the temperature range of 1.6–320 K and in the presence of a transverse magnetic field from 0 to 10 T. Mixed conductivity is analyzed using Hall resistivity data and standard quantitative mobility spectrum analysis. The concentration and mobility of holes are determined at different temperatures. The presence of two types of holes with different mobilities is demonstrated in the temperature range of 1.6–19 K, while with increasing temperature, just one type of charge carrier is observed in the mobility spectrum.
Highlights
Cadmium and zinc pnictides belong to the class of II–V semiconductor compounds and have a well-defined set of interesting characteristics, including structural, optical, and transport properties.1 These compounds have long been known as materials with a variety of practical applications,2–5 and their properties are the subject of considerable current research activity
We study the conductivity and magnetoresistance of the α′′′ phase solid solution of (Cd1−xZnx)3As2 (x = 0.45)
The temperature dependence of the conductivity and magnetoresistance is studied in the temperature range of 1.6–320 K and in the presence of a transverse magnetic field from 0 to 10 T
Summary
Cadmium and zinc pnictides (including both the semimetal Cd3As2 and the semiconductor Zn3As2) belong to the class of II–V semiconductor compounds and have a well-defined set of interesting characteristics, including structural, optical, and transport properties.1 These compounds have long been known as materials with a variety of practical applications,2–5 and their properties are the subject of considerable current research activity. The temperature dependence of the conductivity and magnetoresistance is studied in the temperature range of 1.6–320 K and in the presence of a transverse magnetic field from 0 to 10 T.
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