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Author:

臧竞存 (臧竞存.) | 陈小兵 (陈小兵.)

Indexed by:

CQVIP CSCD

Abstract:

利用提拉法缓冷工艺,生长出掺Cr3+/离子的Li2GeO3晶体,按Tanabe-Sugano能级图和吸收光谱,计算出Cr3+在Li2GeO3晶体场中的光谱参数(Racach参数)为B=573cm-1,C=2292cm-1,Dq/B=23.八面晶场分裂参数:o=12779cm-1,在红外和近红外区激发Li2GeO3:Cr3+晶体,在796.2nm,932.9nm和962.5nm处观测到有红外宽带发射.通过分析250nm激发的荧光光谱,判断晶体中可能有Cr4+占据八面体心或八面体空位而引起在408.5nm处的可见发射.

Keyword:

激光材料 晶场理论 Li2GeO3:Cr3+ 激光能级 激光光谱

Author Community:

  • [ 1 ] 北京工业大学化学与环境工程学系

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Source :

北京工业大学学报

Year: 1997

Issue: 01

Page: 119-123

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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