Defect Induced Magnetism In Ni Doped ZnO Nanoparticles

Title
Defect Induced Magnetism In Ni Doped ZnO Nanoparticles
Authors
채근화R. BhardwajManish KumarN. Goyal
Keywords
Ni doped ZnO; sol-gel method; Defect; Magnetism; Nanoparticles
Issue Date
2020-05
Publisher
AIP Conference Proceedings
Citation
VOL 2220-110011
Abstract
Synthesis of ZnxNi1-xO with x=0, 0.01 was carried out through facile and economic sol-gel method. Rietveld refined diffraction patterns confirmed the wurtzite structure of prepared ZnO samples. Crystallite size obtained using Scherrer equation was 36±1 and 46±1 nm for pure and doped ZnO. Photoluminescence studies at room temperature showed a broad emission peak in the region 500-800 nm, which further showed onsets of defects/vacancies in ZnxNi1-xO samples. Magnetic measurements at room temperature showed the shift in magnetic behavior from diamagnetism for pure ZnO to weak ferromagnetism in Ni doped ZnO sample. This study established a correlation among the vacancies and magnetic behavior of doped ZnO sample.
URI
http://pubs.kist.re.kr/handle/201004/72514
ISSN
1551-7616
Appears in Collections:
KIST Publication > Conference Paper
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