Investigations of the zero-field splitting with the local tilting angle tau sub(Fe3+) for Fe super(3+) in ZnGeP sub(2) crystal

The axial zero-field splitting parameter D for Fe super(3+) at Ge super(4+) site of ZnGeP sub(2) chalcopyrite semiconductor is calculated using the method based on the dominant spin-orbit coupling mechanism. In the calculation, the impurity-induced local tilting angle [Image omitted.] of anion tetra...

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Bibliographic Details
Published inRadiation effects and defects in solids Vol. 170; no. 9; pp. 729 - 732
Main Authors Li, Bang-xing, Feng, Wen-Lin, Su, Ping
Format Journal Article
LanguageEnglish
Published 02.09.2015
Subjects
Chalcopyrite
Crystal defects
Crystals
Mathematical analysis
Semiconductors
Splitting
Tetrahedrons
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Summary:The axial zero-field splitting parameter D for Fe super(3+) at Ge super(4+) site of ZnGeP sub(2) chalcopyrite semiconductor is calculated using the method based on the dominant spin-orbit coupling mechanism. In the calculation, the impurity-induced local tilting angle [Image omitted.] of anion tetrahedron, which is much larger than the corresponding tilting angle [Image omitted.] in the host ZnGeP sub(2) crystal, is applied. The results indicate the negative sign of D, whereas the magnitude of D is explained reasonably, and the large tilting angle [Image omitted.] is further confirmed for Fe super(3+) in ZnGeP sub(2) crystal.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1042-0150
1029-4953
DOI:10.1080/10420150.2015.1101462