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Chinese Physics, 2000, Vol. 9(6): 445-449    DOI: 10.1088/1009-1963/9/6/009
CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES Prev   Next  

DETERMINATION OF THE Mn2+-F- BOND LENGTH USING A COMPLETE SPECTRUM CRITERION AND A NEXT NEAREST NEIGHBOR MODEL

Sun Wei-li (孙威立), Li Zhao-min (李兆民)
Department of Physics, Sichuan Normal University, Chengdu 610068, China
Abstract  A complete spectrum criterion and a next nearest neighbor model are proposed. Research indicates: 1) Using this criterion can remove the long existing puzzle that different parameters produce different bond lengths. The criterion greatly improve the reliability of optical method for determining the Mn2+-F- distance R. 2) The exponent n and coefficient K in the inverse power law 10Dq=KR-n are obviously affected by next nearest neighbor. 3) Considering the effect can lead to a better result, the next nearest neighbor model is thus more strict and reliable.
Received:  29 June 1999      Revised:  13 September 1999      Accepted manuscript online: 
PACS:  61.50.Lt (Crystal binding; cohesive energy)  
  61.66.Fn (Inorganic compounds)  
  71.70.Ch (Crystal and ligand fields)  
  78.20.-e (Optical properties of bulk materials and thin films)  
Fund: Project supported in part by the National Natural Science Foundation of China (Grant No. 19474037).

Cite this article: 

Sun Wei-li (孙威立), Li Zhao-min (李兆民) DETERMINATION OF THE Mn2+-F- BOND LENGTH USING A COMPLETE SPECTRUM CRITERION AND A NEXT NEAREST NEIGHBOR MODEL 2000 Chinese Physics 9 445

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