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Point Defects Induced Ferromagnetism in Neutron Irradiated MgO(110) Single Crystals

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成果类型:
期刊论文
作者:
曹梦雄;王兴宇;马亚茹;马春林;周卫平;王晓雄;王海欧;谭伟石
通讯作者:
Zhou Weiping;Tan Weishi
作者机构:
[马亚茹; 周卫平; 王兴宇; 王晓雄; 曹梦雄; 谭伟石; 马春林] Nanjing Univ Sci & Technol, Sch Sci, Dept Appl Phys, Key Lab Soft Chem & Funct Mat,Minist Educ, Nanjing 210094, Jiangsu, Peoples R China.
[谭伟石] Hunan City Univ, Coll Commun & Elect Engn, Yiyang 413002, Hunan, Peoples R China.
[王海欧] Hangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China.
通讯机构:
[Zhou Weiping; Tan Weishi] Nanjing Univ Sci & Technol, Sch Sci, Dept Appl Phys, Key Lab Soft Chem & Funct Mat,Minist Educ, Nanjing 210094, Jiangsu, Peoples R China.
[Tan Weishi] Hunan City Univ, Coll Commun & Elect Engn, Yiyang 413002, Hunan, Peoples R China.
语种:
英文
关键词:
RSM
关键词(中文):
MgO单晶;中子辐照;点缺陷;d0铁磁性;色心
期刊:
ACTA PHYSICO-CHIMICA SINICA
ISSN:
1000-6818
年:
2018
卷:
34
期:
4
页码:
437-444
文献类别:
WOS:Article
所属学科:
ESI学科类别:化学;WOS学科类别:Chemistry, Physical
入藏号:
基金类别:
National Natural Science Foundation of China [U1332106, 11604147, 11604067]; Scientific Research Innovation Projects of Jiangsu Province for University Graduate Students, China [CXLX13_179]
机构署名:
本校为通讯机构
院系归属:
信息与电子工程学院
摘要:
The MgO(110) single crystals were neutron-irradiated with different doses ranging from 1.0x10(16) to 1.0x10(20) cm(-2). The isointensity profiles of the X-ray diffuse scattering caused by the cubic and double-force point defects in MgO were calculated on the basis of the Huang scattering theory. The X-ray diffuse scattering and the UV-Vis absorption spectra were recorded to investigate the point defect configurations in the MgO(110) crystals. Furthermore, the magnetic properties were characterized by a superconducting quantum interference device magnetometer. The omega-2 theta curves and rocking curves implied that neutron irradiation enhanced the lattice distortion. The point defects were produced in irradiated MgO crystals. The measured reciprocal space mappings (RSMs) revealed that the notable diffuse scattering was
参考文献:
Bachiller-Perea D, 2016, J MATER SCI, V51, P1456, DOI 10.1007/s10853-015-9465-3
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