High-Order Perturbation Formula for the EPR Trigonal Symmetric gi Value of the d8 Ion

1988 ◽  
Vol 145 (1) ◽  
pp. K21-K25 ◽  
Author(s):  
Huang Ming
Keyword(s):  
High Order ◽  
Order Perturbation ◽  
Perturbation Formula

Studies of Knight Shifts and Hyperfine Structure Constants of Tl2Ba2CuO6+y

2013 ◽  
Vol 337-338 ◽  
pp. 49-53
Author(s):  
Min Quan Kuang ◽  
Shao Yi Wu ◽  
Xian Fen Hu ◽  
Bo Tao Song
Keyword(s):  
Hyperfine Structure ◽  
Local Structure ◽  
High Order ◽  
Order Perturbation ◽  
Calculation Results ◽  
Structure Constants ◽  
Knight Shifts ◽  
Good Agreement

The Knight shifts and hyperfine structure constants of Tl2Ba2CuO6+yare theoretically studied from the high order perturbation formulas of these quantities for a tetragonally elongated octahedral 3d9cluster. The calculation results reveal good agreement with the observed values. The obvious anisotropies of the Knight shifts can be ascribed to the local tetragonal elongation of the Cu2+site. The results and the local structure of the system are discussed.

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