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Title: Enhanced ferromagnetism in graphite-like carbon layer-coated ZnO crystals
Authors: N., Tu
Nguyễn, Trí Tuấn
Saito, N.
P., T. Huy
D., V. Nam
Bui, H.V.
D., X. Viet
N., D. Dung
Nguyen, K. T.
N., T. Lan
N., H. Dung
Keywords: Semiconductor
Zinc oxide
Issue Date: 2017
Series/Report no.: Journal of Alloys and Compounds;695 .- p.233-237
Abstract: We report on the preparation of graphite-like carbon-coated ZnO nanoparticles by ball milling a powder mixture of ZnO and C. Magnetic measurements indicated that carbon coating can strongly enhance the room-temperature ferromagnetism of ZnO nanoparticles, depending on preparation conditions. This enhancement may stem from robust ferromagnetism at the ZnO/C interface. The origin of interfacial ferromagnetism is attributed to crystallographic defects at the surface of ZnO crystals which are stabilized by the carbon shell layer.
URI: http://localhost:8080//jspui/handle/123456789/5195
Appears in Collections:Tạp chí quốc tế

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