PHOTOINDUCED NEAR-INFRARED ABSORPTION IN AN M-X CHAIN COMPLEX [PT(EN)2][PT(EN)2CL2](CLO4)4, EN = ETHYLENEDIAMINE

被引：12
|
作者：
KURODA, N [1 ]
ITO, M [1 ]
NISHINA, Y [1 ]
YAMASHITA, M [1 ]
机构：
[1] NAGOYA UNIV, COLL GEN EDUC, CHIKUSA KU, NAGOYA 46401, JAPAN
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1993年 / 62卷 / 07期
关键词：
D O I：
10.1143/JPSJ.62.2237
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The near-infrared absorption spectrum has been measured in [Pt(en)2][Pt(en)2Cl2] (ClO4)4, (en)=ethylenediamine, irradiated with the 488 nm beam of an Ar-ion laser. In addition to the well-established intragap bands A around 1.6 eV and B around 2.0 eV, a broad band B' is found to overlap the B band and be spread beyond 2.3 eV. No bands can be found at photon energies down to 1.2 eV below the A band. The results are discussed in relation to the ''two-band'' theory for polarons and solitons by Tinka-Gammel and coworkers (Phys. Rev. B45 (1992) 6435).
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收藏
页码：2237 / 2240
页数：4
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