The Influences of CuO/ZnO Ratios on the Crystallization Characteristics Electrical and Magnetic Properties of CuxZn1−xO Powders

Abstract

This study synthesizes Cu Zn 1− O powders using an aqueous solution method. The Cu Zn 1− O 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 C 0.5 Z 0.5 O (1.5 × 10 5 Ω/◻) powder was lower than that of CuO (5.82 × 10 5 Ω/◻) powder after ZnO mixing in CuO. This reduction was attributed to the substitution of Cu + ions at Zn 2+ sites or the formation of electron trapping defect centers. The concentration ratio of Cu 2 O phase in Cu Zn 1− O powder mainly dominated the electrical resistance. The Cu Zn 1− O has a diluted ferromagnetism (DFM) and paramagnetism (PM). The electrical resistance of Cu Zn 1− O decreased; the magnetic behavior increased instead. This study also analyzes the chemical binding of Cu 0.5 Zn 0.5 O powders to confirm the contribution of Cu + ions to the electrical and magnetic properties.

GÜNEŞ TAKİP SİSTEMLERİ İÇİN Al/P-Si/Zn:CuO/Al FOTODİYOTLARI

“…Bu p ve n-tipi yarı-iletken tabakaların, yani CuO/ZnO yapısının ortak bir şekilde üretilmesiyle, bir p-n heteroeklemi oluşturulabilir. Son zamanlarda CuO-ZnO bileşikler ve CuO/ZnO heteroeklemler üzerinde yapılan çalışmalar bu yapıların verimli özellliklere sahip olduklarını göstermiştir [19].…”