First report on effect of freezing of charge carriers on conductivity of CoxZn1_ xS ternary semiconductor compounds at low temperatures

被引：4

作者：

Rao, V. Laxminarasimha ^{[1
,3
]}

Reddy, Y. Vasudeva ^{[2
,4
]}

Shekharam, T. ^{[3
]}

Nagabhushanam, M. ^{[4
]}

机构：

[1] Govt Polytech Coll, Dept Phys, Kotagiri, Telangana, India

[2] Govt City Coll A, Dept Phys, Hyderabad, Telangana, India

[3] Matrusri Engn Coll, Dept Phys, Hyderabad, Telangana, India

[4] Univ Coll Sci, Osmania Univ, Dept Phys, Hyderabad 500007, Telangana, India

来源：

CHEMICAL PHYSICS LETTERS | 2022年 / 796卷

关键词：

Co-precipitation technique; DC conductivity; Activation energy; Variable range hopping; THIN-FILMS; PHOTOLUMINESCENCE PROPERTIES; MAGNETIC-PROPERTIES; OPTICAL-PROPERTIES; ZNS; LUMINESCENCE;

D O I：

10.1016/j.cplett.2022.139571

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Polycrystalline ternary semiconductor compounds with the compositional formula CoxZn(1_ x)S (0 <= x & nbsp;& nbsp;<=& nbsp;0.1) samples have been synthesized by a controlled co-precipitation technique. The samples are characterized by X-ray diffraction (XRD) method. DC conductivity studies were performed in the temperature region 77-300 K. The dc conductivity plots show the Arrhenius behavior with three different activation energies (Ea) in three different temperature regions I (300-165 K), II (165-100 K), III (100-77 K), and they exhibited the variable range hopping conduction (VRH) mechanism at low temperature region (100-77 K).

引用

页数：4

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