Analysis of Ground-state Zero-field Splitting for Mn2+ Ions in [Co(H2O)]XY6 (X=Si, Sn, Pt; Y=F, Cl)

Analysis of Ground-state Zero-field Splitting for Mn2+ Ions in [Co(H2O)]XY6 (X=Si, Sn, Pt; Y=F, Cl)
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[Co(H2O)]XY6(X=Si、Sn、Pt;Y=F、Cl)中 Mn2 离子的基态零场分裂分析

DOI:
10.1007/s11595-021-2449-z
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发表时间:
2021-08
影响因子:
1.6
通讯作者:
Zhong Shuirong
Zhong Shuirong
中科院分区:
材料科学4区
文献类型:
--
作者:
Li Jufen;Su Juan;Yi Xuebin;Tang Bin;Wu Xinhui;Zhong Shuirong

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在三角配位场中d5组态离子完全能量矩阵的基础上,研究了[Co(H2O)6 ] SiF6,[Co(H2O)6 ] SnF6和[Co(H2O)6 ] PtCl6晶体中三角Mn2+中心的电子顺磁谱.当Mn2+掺杂到[Co(H2O)6 ] SiF6、[Co(H2O)6 ] SnF6和[Co(H2O)6 ] PtCl6晶体中时,也有类似的局部畸变。实验结果表明,在三角Mn2+中心附近的局部晶格结构沿C3晶轴沿着发生伸长畸变。由EPR计算得到[Co(H2O)6 ] SiF6、[Co(H2O)6 ] SnF6和[Co(H2O)6 ] PtCl6的局域晶格结构参数分别为R = 2.278A,θ = 52.6406 °,R =2.280,θ =52.4936°和R =2.244A,θ =53.0616°.
The electron paramagnetic spectra of trigonal Mn 2+ centers in [Co(H 2 O) 6 ]SiF 6 , [Co(H 2 O) 6 ] SnF 6 , and [Co(H 2 O) 6 ]PtCl 6 crystals were studied on the basis of the complete energy matrices for a d 5 configuration ion in a trigonal ligand field. When Mn 2+ is doped in the [Co(H 2 O) 6 ]SiF 6 , [Co(H 2 O) 6 ]SnF 6 , and [Co(H 2 O) 6 ]PtCl 6 crystals crystals, there is a similar local distortion. The experimental results show that the local lattice structure around a trigonal Mn 2+ center has an elongation distortion along the crystalline C 3 axis. From the EPR calculation, the local lattice structure parameters R =2.278A, θ =52.6406° for [Co(H 2 O) 6 ]SiF 6 , R =2.280, θ =52.4936° for [Co(H 2 O) 6 ]SnF 6 and R =2.244A, θ =53.0616° for [Co(H 2 O) 6 ]PtCl 6 were determined.
DOI: 10.1063/1.1727379
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