scholarly journals Book Review - Theoretical Spectroscopy of Transition Metal and Rare Earth Ions: From Free State to Crystal Field

2020 ◽  
Vol 29 (2) ◽  
pp. 43-43
ChemInform ◽  
2010 ◽  
Vol 33 (52) ◽  
pp. no-no
Author(s):  
R. J. Radwanski ◽  
R. Michalski ◽  
Z. Ropka ◽  
A. Blaut

2005 ◽  
Vol 866 ◽  
Author(s):  
David Carey

AbstractThe g values of rare earth ions obtained from either paramagnetic resonance or Zeeman measurements are often used to interpret the location and/or environment surrounding rare earth ions. In the case of centres with cubic symmetry the g value can be used to distinguish between substitutional and interstitial sites. For centres with less than cubic symmetry the average g value, taken as 1/3 trace of the g tensor, is often used as an indication of the lattice location and/or a measure of the strength of the local crystal field. This approach is widely used but is based on the assumption that the non-cubic terms in the total crystal field potential are small compared with the cubic crystal field. In this paper we have explored this assumption by calculating the principal g values in axial crystal fields for the Er3+ ion. We examine the limits over which the average g value approach is valid. Comparison is made with published results.


1973 ◽  
Author(s):  
P. S. Bagus ◽  
A. J. Freeman ◽  
F. Sasaki ◽  
Hugh C. Wolfe ◽  
C. D. Graham ◽  
...  

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