Structural and Magnetic Properties of Zn1-xCuxO (0 ≤ x ≤ 0.1) Systems

被引：18
作者：
Mohapatra, Jyoshnarani [2 ]
Mishra, Dilip Kumar [1 ]
Berma, Vivek [3 ]
Kamilla, Susanta Kumar [2 ]
Sakthivel, Ramasamy [1 ]
Mohapatra, Birendra Kumar [1 ]
Singh, Saroj Kumar [1 ]
机构：
[1] CSIR, Inst Minerals & Mat Technol, Adv Mat Technol Dept, Bhubaneswar 751013, Orissa, India
[2] Siksha O Anusandhan Univ, Inst Tech Educ & Res, Dept Phys, Bhubaneswar 751030, Orissa, India
[3] Natl Phys Lab, New Delhi 110012, India
来源：
ADVANCED SCIENCE LETTERS | 2011年 / 4卷 / 02期
关键词：
Conventional Sintering; Ferromagnetism; EPMA; Band Gap; Copper Oxide Cluster; CU-DOPED ZNO; ROOM-TEMPERATURE FERROMAGNETISM; OPTICAL-PROPERTIES; RAMAN-SCATTERING; ZINC-OXIDE; FILMS; SEMICONDUCTORS; NANORODS; PHOTOLUMINESCENCE; SPINTRONICS;
D O I：
10.1166/asl.2011.1228
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Cu doped ZnO system (Zn1-xCuxO) has been synthesized by varying Cu concentration from 3 to 10% in the Zn site by conventional sintering technique. Room temperature ferromagnetism is observed in all Cu doped ZnO samples. It is observed that density is increased as a function of increasing concentration of Cu substitution at Zn site. Microstructural analysis and compositional mapping under electron probe microstructure analyzer (EPMA) indicates that Zn and Cu are distributed uniformly throughout the bulk sample. However, non-existence of copper oxide clusters in the bulk surface accounts for its ferromagnetic property. Decrease in the band gap of Cu doped ZnO compared to undoped ZnO confirms the matrix incorporation of Cu in the ZnO system.
引用
收藏
页码：458 / 462
页数：5
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