Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12 | |
Wu, SY; Dong, HN | |
通讯作者 | Wu, SY(shaoyi_wu@163.com) |
2004-09-01 | |
发表期刊 | ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
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ISSN | 0932-0784 |
卷号 | 59期号:9页码:563-567 |
摘要 | The spin Hamiltonian parameters anisotropic g factors g(\\), g(perpendicular to) and hyperfine structure constants A(\\) and A I, as well as the local structure of the trigonal Co2+ center in Bi4Ge3O12 (BGO) are theoretically investigated by the perturbation formulas of the spin Hamiltonian parameters for a V ion in trigonal symmetry, based on the cluster approach. It is found that the impurity Co2+ substituting the host Bi3+ undergoes an off-center displacement DeltaZ(approximate to -0.132 Angstrom) away from the center of the oxygen octahedron along the C-3 axis. The spin Hamiltonian parameters based on the above displacement show reasonable agreement with the observed values. The results are discussed. |
关键词 | electron paramagnetic resonance (EPR) crystal-field theory and spin hamiltonians defect structure Co2+ Bi4Ge3O12 (BGO) |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Chemistry ; Physics |
WOS类目 | Chemistry, Physical ; Physics, Multidisciplinary |
WOS记录号 | WOS:000224098900006 |
出版者 | VERLAG Z NATURFORSCH |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.imr.ac.cn/handle/321006/81868 |
通讯作者 | Wu, SY |
作者单位 | 1.Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China 2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110015, Peoples R China 3.Chongqing Univ, Coll Elect Engn, Chongqing 400065, Peoples R China |
推荐引用方式 GB/T 7714 | Wu, SY,Dong, HN. Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12[J]. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES,2004,59(9):563-567. |
APA | Wu, SY,&Dong, HN.(2004).Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12.ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES,59(9),563-567. |
MLA | Wu, SY,et al."Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12".ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES 59.9(2004):563-567. |
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