APPLICATION OF THE "THREE-PARAMETERS THEORY "TO THE CRYSTAL FIELD CALCULATION OF SCHEELITE RELATED RARE EARTH MOLYBDATES AND TUNGSTATES

Huang Jinggen; P. Porcher

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APPLICATION OF THE "THREE-PARAMETERS THEORY "TO THE CRYSTAL FIELD CALCULATION OF SCHEELITE RELATED RARE EARTH MOLYBDATES AND TUNGSTATES

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- APPLICATION OF THE "THREE-PARAMETERS THEORY "TO THE CRYSTAL FIELD CALCULATION OF SCHEELITE RELATED RARE EARTH MOLYBDATES AND TUNGSTATES
- Chinese Journal of Luminescence Vol. 7, Issue 4, Pages: 324-329(1986)
- 作者机构：
  
  1. 复旦大学材料科学研究所
  2. 法国国家研究中心固体中过渡金属实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：11 October 1985，
  
  Published：30 November 1986
- 稿件说明：
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黄京根, P. Porcher. “三参数理论”在Scheelite相关稀土钼钨酸盐晶场计算中的应用[J]. 发光学报, 1986,7(4): 324-329

Huang Jinggen, P. Porcher. APPLICATION OF THE "THREE-PARAMETERS THEORY "TO THE CRYSTAL FIELD CALCULATION OF SCHEELITE RELATED RARE EARTH MOLYBDATES AND TUNGSTATES[J]. Chinese Journal of Luminescence, 1986,7(4): 324-329
黄京根, P. Porcher. “三参数理论”在Scheelite相关稀土钼钨酸盐晶场计算中的应用[J]. 发光学报, 1986,7(4): 324-329 DOI：

Huang Jinggen, P. Porcher. APPLICATION OF THE "THREE-PARAMETERS THEORY "TO THE CRYSTAL FIELD CALCULATION OF SCHEELITE RELATED RARE EARTH MOLYBDATES AND TUNGSTATES[J]. Chinese Journal of Luminescence, 1986,7(4): 324-329 DOI：

摘要

本文将“三参数理论”模型

应用到Scheelite相关结构的Na

Eu(MO

)

(Scheelite结构)和Gd

(MO

)

:Eu

(畸变Scheelite结构)。从拟合Na

Eu(MO

)

唯象(B

)参数

得到MO

基团中有效电荷g(M)和g(O)分别为+1.2和-0.8。以上述拟合得到的有效电荷

应用“三参数模型”

计算了Gd

(MO

)

:Eu

的晶场参数和Stark能级

计算值同光谱实验结果相当吻合。

Abstract

In this paper

the "three-parameters theory" model (TPM) is applied to two groups of compounds with a scheelite structure: Na

Eu(MO

)

and its variation: Gd

(MO

)

(M=Mo

W).The set of a priori crystal field parameters (CFPs) obtained for the double salts having a S

point symmetry (which is treated as D

)

is used for Gd

(MO

)

:Eu

. The scheelite subcells can be found in the later structure although the symmetry is lowered to monochinic

with C

as the site symmetry.

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