GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd3+ IN LiYF4 CRYSTAL

doi:10.1088/1004-423X/8/8/008

中国物理B ›› 1999, Vol. 8 ›› Issue (8): 607-612.doi: 10.1088/1004-423X/8/8/008

GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd³⁺ IN LiYF₄ CRYSTAL

陈学元, 罗遵度

Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences,Fuzhou 350002,China

收稿日期:1999-03-16 出版日期:1999-08-15 发布日期:1999-08-20
基金资助:
Project supported by the Natural Science Foundation of China(Grant No.59772004).

GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd³⁺ IN LiYF₄ CRYSTAL

CHEN XUE-YUAN (陈学元), LUO ZUN-DU (罗遵度)

Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences,Fuzhou 350002,China

Received:1999-03-16 Online:1999-08-15 Published:1999-08-20
Supported by:
Project supported by the Natural Science Foundation of China(Grant No.59772004).

摘要/Abstract

摘要： Based on the analysis of group-chain scheme, the crystal-field-level fitting of Nd³⁺: LiYF₄ has been carried out, in which the Nd³⁺ inos occupy positions with site symmetry S₄. The RMS deviation of energy-level fitting is 12.8cm^-1. Using the obtained wave functions, g-factors of the fround state are calculated,which are g_∥=2.067 and g_⊥=2.631, in good agreement with the experimental values(g_∥=1.978 and g_⊥=2.554). The method proposed turns out to be effective in the study of spectral properties of localized centres in laser crystals.

Abstract: Based on the analysis of group-chain scheme, the crystal-field-level fitting of Nd³⁺: LiYF₄ has been carried out, in which the Nd³⁺ inos occupy positions with site symmetry S₄. The RMS deviation of energy-level fitting is 12.8cm^-1. Using the obtained wave functions, g-factors of the fround state are calculated,which are g_∥=2.067 and g_⊥=2.631, in good agreement with the experimental values(g_∥=1.978 and g_⊥=2.554). The method proposed turns out to be effective in the study of spectral properties of localized centres in laser crystals.

中图分类号: (Crystal and ligand fields)

71.70.Ch

75.10.Dg (Crystal-field theory and spin Hamiltonians) 71.18.+y (Fermi surface: calculations and measurements; effective mass, g factor)

陈学元, 罗遵度. GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd³⁺ IN LiYF₄ CRYSTAL[J]. 中国物理B, 1999, 8(8): 607-612.

CHEN XUE-YUAN (陈学元), LUO ZUN-DU (罗遵度). GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd³⁺ IN LiYF₄ CRYSTAL[J]. Acta Physica Sinica (Overseas Edition), 1999, 8(8): 607-612.

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GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd³⁺ IN LiYF₄ CRYSTAL

GROUP-CHAIN SCHEME ANALYSIS OF THE ENERGY LEVELS AND MAGNETIC PROPERTIES OF Nd³⁺ IN LiYF₄ CRYSTAL

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