EPR spectra of transition metal and rare-earth ions in lithium fluoroborate glasses

1992 ◽  
Author(s):  
B. Sreedhar ◽  
P. Indira ◽  
A. K. Bhatnagar
1973 ◽  
Author(s):  
P. S. Bagus ◽  
A. J. Freeman ◽  
F. Sasaki ◽  
Hugh C. Wolfe ◽  
C. D. Graham ◽  
...  

2018 ◽  
Vol 6 (13) ◽  
pp. 1701407 ◽  
Author(s):  
Zhigang Gao ◽  
Shu Guo ◽  
Xiaosong Lu ◽  
Jiri Orava ◽  
Tomas Wagner ◽  
...  

1967 ◽  
Vol 45 (2) ◽  
pp. 403-428 ◽  
Author(s):  
J. M. Baker ◽  
A. E. Mau

The EPR spectra of interacting pairs of Dy3+, Tb3+, and Ho3+ ions in rare-earth ethyl sulfates have been studied in order to determine the nature and magnitude of the interactions. The departures from dipole–dipole interaction are mostly rather small, except for the interaction between a pair of Dy3+ ions, one of which is in the ground doublet and the other in the first excited doublet at 16 cm−1. A discussion is given of the difficulties of differentiating between the effects of electric quadrupole–quadrupole interaction and virtual phonon exchange interaction.


1999 ◽  
Vol 577 ◽  
Author(s):  
Nguyen Hoang Luong ◽  
Nguyen Phu Thuy ◽  
Pham Hong Quang ◽  
Pham Duc Thang

ABSTRACTIn this work the rare-earth anisotropy in the rare-earth - transition metal intermetallic compounds is investigated by studying the temperature-induced spin reorientation phenomena on aligned powder samples and by analyzing the temperature dependence of the magnetization measured along different principal axes of single crystals. From such investigations the crystalline-electric-field parameters of the rare-earth ions in these compounds have been derived. The results on different hard magnetic materials of the compositions R2Fe14B, RFe11 and their substituted compounds as well as R2Co17 are summarized.


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