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Local structure of the trigonal defect center for Cr3+ions in KMgF3crystals

 

作者: Zheng Wen-Chen,  

 

期刊: Radiation Effects and Defects in Solids  （Taylor Available online 1997）
卷期: Volume 140, issue 3-4  

页码: 323-328

 

ISSN:1042-0150

 

年代: 1997

 

DOI:10.1080/10420159708216856

 

出版商: Taylor & Francis Group

 

关键词: Electron paramagnetic resonance;Optical spectrum;Local crystalline structure;Crystal-field theroy;Cr3+;KMgF3

 

数据来源: Taylor

 

摘要:

The zero-field splittingD, the anisotropicg-factorsg∥, Δg(=g∥−g⊥) and the first excited state splitting Δ(2E) for the trigonal Cr3+–VKcenter in KMgF3: Cr3+crystals have been studied from Macfarlane's high-order perturbation formulas. From the studies, the local structure of the trigonal center is obtained. The local lattice distortions (i.e., the displacement directions of the ions in the center) are consistent with the expectation based on the electrostatic interaction.

 

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