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题名: Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO2 single crystals
作者: Xu, NN; Li, GP; Lin, QL; Liu, H; Bao, LM
刊名: CHINESE PHYSICS B
出版日期: 2016
卷号: 25, 期号:11, 页码:-
关键词: single-crystal TiO2 ; Cu ion implantation ; Ar ion irradiation/post-irradiation ; room-temperature ferromagnetism
DOI: 10.1088/1674-1056/25/11/116103
通讯作者: Li, GP (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China. ; Li, GP (reprint author), Shandong Univ, State Key Lab Crystal Mat, Jinan 250001, Peoples R China.
文章类型: 期刊论文
英文摘要: Remarkable room-temperature ferromagnetism was observed both in undoped and Cu-doped rutile TiO2 single crystals (SCs). To tune their magnetism, Ar ion irradiation was quantitatively performed on the two crystals in which the saturation magnetizations for the samples were enhanced distinctively. The post-irradiation led to a spongelike layer in the near surface of the Cu-doped TiO2. Meanwhile, a new CuO-like species present in the sample was found to be dissolved after the post-irradiation. Analyzing the magnetization data unambiguously reveals that the experimentally observed ferromagnetism is related to the intrinsic defects rather than the exotic Cu ions, while these ions are directly involved in boosting the absorption in the visible region.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000390376900045
ISSN号: 1674-1056
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26484
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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