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Room-temperature ferromagnetism observed in C-/N-/O-implanted MgO single crystals
Li, Qiang; Ye, Bonian; Hao, Yingping; Liu, Jiandang; Zhang, Jie; Zhang, Lijuan; Kong, Wei; Weng, Huimin; Ye, Bangjiao
2013
Source PublicationCHEMICAL PHYSICS LETTERS
ISSN0009-2614
Volume556Pages:CONCATENATE(Sheet1!I288,-Sheet1!J288)
AbstractMgO single crystals were implanted with 70 keV C/N/O ions at room temperature with respective doses of 2 x 10(16) and 2 x 10(17) ions/cm(2). All samples with high-dose implantation showed room temperature hysteresis in magnetization loops. Magnetization and slow positron annihilation measurements confirmed that room temperature ferromagnetism in O-implanted samples was attributed to the presence of Mg vacancies. Furthermore, the introduction of C or N played more effective role in ferromagnetic performance than Mg vacancies. Moreover, the magnetic moment possibly occurred from the localized wave function of unpaired electrons and the exchange interaction formed a long-range magnetic order. (C) 2012 Elsevier B. V. All rights reserved.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000313644100045
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13890
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Li, Qiang,Ye, Bonian,Hao, Yingping,et al. Room-temperature ferromagnetism observed in C-/N-/O-implanted MgO single crystals[J]. CHEMICAL PHYSICS LETTERS,2013,556:CONCATENATE(Sheet1!I288,-Sheet1!J288).
APA Li, Qiang.,Ye, Bonian.,Hao, Yingping.,Liu, Jiandang.,Zhang, Jie.,...&Ye, Bangjiao.(2013).Room-temperature ferromagnetism observed in C-/N-/O-implanted MgO single crystals.CHEMICAL PHYSICS LETTERS,556,CONCATENATE(Sheet1!I288,-Sheet1!J288).
MLA Li, Qiang,et al."Room-temperature ferromagnetism observed in C-/N-/O-implanted MgO single crystals".CHEMICAL PHYSICS LETTERS 556(2013):CONCATENATE(Sheet1!I288,-Sheet1!J288).
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