Metal precipitation in one-dimensional crystal of CsMnCl3 center dot 2H(2)O

被引:1
|
作者
Yoshinari, T
Matsuyama, T
Shimanuki, S
Yamaoka, H
Ohnishi, A
Yamada, T
Aoyagi, K
Kamikawa, T
机构
[1] KYOTO UNIV,INST RES REACTOR,KUMATORI,OSAKA 59004,JAPAN
[2] OSAKA WOMENS UNIV,SAKAI,OSAKA 590,JAPAN
[3] KYOTO UNIV,DEPT POLYMER CHEM,KYOTO 60601,JAPAN
关键词
D O I
10.1016/0168-583X(96)00133-4
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Visible metal precipitation of a golden luster has been observed in CsMnCl3 . 2H(2)O which was irradiated with X- or gamma-rays at room temperature. It does not occur when it is irradiated at 77 K and then warmed to room temperature. A continuous optical absorption was observed ranging from 2 eV to higher energy more than 5.50 eV (225 nm), An absorption band overlaps at 3.55 eV (350 nm), which is nearly the same as those of the V-k center (Cl-2(-)) in KCl and RbCl. It suggests that the 3.55 eV band originates from the self-trapped hole centers (Cl-2(-)) in the present crystal.
引用
收藏
页码:554 / 557
页数:4
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