Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO2 single crystals
Xu, NN; Li, GP; Lin, QL; Liu, H; Bao, LM; 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.
2016
发表期刊CHINESE PHYSICS B
ISSN1674-1056
卷号25期号:11页码:-
文章类型期刊论文
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.
关键词Single-crystal Tio2 Cu Ion implantatIon Ar Ion irradiatIon/post-irradiatIon Room-temperature Ferromagnetism
DOI10.1088/1674-1056/25/11/116103
收录类别SCI
语种英语
WOS记录号WOS:000390376900045
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26484
专题中科院上海应用物理研究所2011-2018年
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.
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Xu, NN,Li, GP,Lin, QL,et al. Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO2 single crystals[J]. CHINESE PHYSICS B,2016,25(11):-.
APA Xu, NN.,Li, GP.,Lin, QL.,Liu, H.,Bao, LM.,...&Li, GP .(2016).Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO2 single crystals.CHINESE PHYSICS B,25(11),-.
MLA Xu, NN,et al."Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO2 single crystals".CHINESE PHYSICS B 25.11(2016):-.
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