HIGH PRESSURE SPECTRA OF Na5Tb(WO4)4 CRYSTAL

Guo Changxin

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HIGH PRESSURE SPECTRA OF Na₅Tb(WO₄)₄ CRYSTAL

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- HIGH PRESSURE SPECTRA OF Na₅Tb(WO₄)₄ CRYSTAL
- Chinese Journal of Luminescence Vol. 16, Issue 3, Pages: 238-243(1995)
- 作者机构：
  
  中国科学技术大学物理系, 合肥 230026
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 November 1994，
  
  Published：30 August 1995
- 稿件说明：
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郭常新. 高压下Na5Tb(WO4)4单晶的光谱[J]. 发光学报, 1995,16(3): 238-243

Guo Changxin. HIGH PRESSURE SPECTRA OF Na5Tb(WO4)4 CRYSTAL[J]. Chinese Journal of Luminescence, 1995,16(3): 238-243
郭常新. 高压下Na5Tb(WO4)4单晶的光谱[J]. 发光学报, 1995,16(3): 238-243 DOI：

Guo Changxin. HIGH PRESSURE SPECTRA OF Na5Tb(WO4)4 CRYSTAL[J]. Chinese Journal of Luminescence, 1995,16(3): 238-243 DOI：

摘要

研究了Na

Tb(WO

)

单晶的高压发光规律

化学计量的Na

Tb(WO

)

基质发光单晶的发光来源于基质中高浓度Tb

.用金刚石对顶砧显微光谱系统在0-4GPa范围内研究了Na

Tb(WO

)

的室温高压光谱

确定了各发射谱线的高压移动率.对Tb

的

→

(

测到18条谱线高压移动率中除一条(

→

常压峰值15509cm

-1

)蓝移外

都红移

红移率最大为-19.5cm

-1

/GPa(对应谱线

→

常压峰值16876cm

-1

)

与Tb

在其它基质中相比

此移动率很大.

Abstract

In this paper.luminescent spectra of Na

Tb(WO

)

crystal under hydrostatic high pressure 0-4GPa have been studied.The crystal of Na

Tb(WO

)

is a stoichiometric host luminescent crystal

its light emission comes from Tb

ions having high concentration (weight concentration 12.6%).The high pressure spectra of Na

Tb(WO

)

atroom temperature have been investegated by using a high pressure microspectroscopic system in conjunction with a gasketed diamond anvil optical cell.For transitions

→

(

5) of Tb

the pressure shifts of 18 fluorescent lines have been determined.In which

all lines have red shift

except that one (

→

15509cm

-1

at 1 atpomosphere) has blue shif.The largest pressure red shift rate of these fluorescent lines is -19.5cm

-1

/GPa (

→

16876cm

-1

at 1 atmosphere)

in comparison with the results of Tb

in other crystals.this is a very high pressure shift rate for trivalent rare earth ions.

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Related Institution

School of Chemistry， Sun Yat-sen University

Department of Physics & Astronomy， Georgia Southern University， Statesboro

河北大学物理科学与技术学院

河北大学工商学院

Key Laboratory of Rare Earth Chemistry and Physics, Chinese Academy of Sciences

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