Abstract
This study synthesizes CuxZn1−xO powders using an aqueous solution method. The CuxZn1−xO powders with different content ratios of CuO and ZnO (CuO : ZnO = 1 : 2, 1 : 1, and 2 : 1) were formed. The crystalline characteristics and electrical and magnetic properties depended primarily on the mixing effect and oxygenation. The electrical resistance of C0.5Z0.5O (1.5×105 Ω/□) powder was lower than that of CuO (5.82×105 Ω/□) powder after ZnO mixing in CuO. This reduction was attributed to the substitution of Cu+ ions at Zn2+ sites or the formation of electron trapping defect centers. The concentration ratio of Cu2O phase in CuxZn1−xO powder mainly dominated the electrical resistance. The CuxZn1−xO has a diluted ferromagnetism (DFM) and paramagnetism (PM). The electrical resistance of CuxZn1−xO decreased; the magnetic behavior increased instead. This study also analyzes the chemical binding of Cu0.5Zn0.5O powders to confirm the contribution of Cu+ ions to the electrical and magnetic properties.
Highlights
IntroductionMetal oxide nanostructures, such as ZnO [1], CuO [2, 3], SnO2 [4], In2O3 [5], and TiO2 [6], have attracted extensive attention for their optical, electrical and magnetic properties
Metal oxide nanostructures, such as ZnO [1], CuO [2, 3], SnO2 [4], In2O3 [5], and TiO2 [6], have attracted extensive attention for their optical, electrical and magnetic properties. They are widely applied in various optoelectronic devices, such as photocatalyzers [7], solar cells [8], photodiodes [9], and humidity sensors [10]
110 100 90 80 70 60 1000 magnetic properties for CuxZn1−xO powders was carried out to understand the influences of CuO mixing effects and clarify the contribution of CuO and Cu2O phase
Summary
Metal oxide nanostructures, such as ZnO [1], CuO [2, 3], SnO2 [4], In2O3 [5], and TiO2 [6], have attracted extensive attention for their optical, electrical and magnetic properties. They are widely applied in various optoelectronic devices, such as photocatalyzers [7], solar cells [8], photodiodes [9], and humidity sensors [10]. This study examines the effects of high ZnO content mixed with CuO on the structural, electrical, and magnetic properties of CuxZn1−xO powders. 110 100 90 80 70 60 1000 magnetic properties for CuxZn1−xO powders was carried out to understand the influences of CuO mixing effects and clarify the contribution of CuO and Cu2O phase
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