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
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
相关论文
共 19 条
[1]   LOCALIZED POLARONIC STATES IN MIXED-VALENCE LINEAR-CHAIN COMPLEXES [J].
BAERISWYL, D ;
BISHOP, AR .
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1988, 21 (02) :339-356
[2]   THE MID-INFRARED SIGNATURE OF PHOTOINDUCED DEFECTS IN THE QUASI-ONE-DIMENSIONAL MIXED-VALENCE SOLID [PTII(EN)2][PTIV(EN)2CL2][CLO4]4 [J].
DONOHOE, RJ ;
EKBERG, SA ;
TAIT, CD ;
SWANSON, BI .
SOLID STATE COMMUNICATIONS, 1989, 71 (01) :49-52
[3]  
ITO M, UNPUB
[4]   THEORY FOR SPECTRAL SHAPE OF OPTICAL-ABSORPTION IN HALOGEN-BRIDGED MIXED-VALENT METAL-COMPLEXES [J].
IWANO, K ;
NASU, K .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1992, 61 (04) :1380-1389
[5]   PHOTOINDUCED DEFECT STATES IN A QUASI ONE-DIMENSIONAL MIXED-VALENCE PLATINUM COMPLEX [J].
KURITA, S ;
HARUKI, M ;
MIYAGAWA, K .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1988, 57 (05) :1789-1796
[6]   SOLITON-TO-BAND OPTICAL-ABSORPTION IN A QUASI ONE-DIMENSIONAL PT-II-PT-IV MIXED-VALENCE COMPLEX UNDER HYDROSTATIC-PRESSURE [J].
KURODA, N ;
SAKAI, M ;
NISHINA, Y ;
TANAKA, M ;
KURITA, S .
PHYSICAL REVIEW LETTERS, 1987, 58 (20) :2122-2125
[7]   ESR OBSERVATION OF THE MOTION OF OPTICALLY INDUCED PARAMAGNETIC DIMERS IN [PT(EN)2][PT(EN)2CL2](CLO4)4 (EN = ETHYLENEDIAMINE) [J].
KURODA, N ;
SAKAI, M ;
SUEZAWA, M ;
NISHINA, Y ;
SUMINO, K .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1990, 59 (09) :3049-3052
[8]   PERTURBATION-THEORY FOR THE FORMATION ENERGY OF SOLITONS AND POLARONS IN MIXED-VALENCE LINEAR-CHAIN COMPLEXES [J].
KURODA, N ;
KATAOKA, M ;
NISHINA, Y .
PHYSICAL REVIEW B, 1991, 44 (24) :13260-13269
[9]   NONLINEAR LATTICE-RELAXATION OF PHOTOGENERATED CHARGE-TRANSFER EXCITATION IN HALOGEN-BRIDGED MIXED-VALENCE METAL-COMPLEXES .2. POLARON CHANNEL [J].
MISHIMA, A ;
NASU, K .
PHYSICAL REVIEW B, 1989, 39 (09) :5763-5766
[10]   NONLINEAR LATTICE-RELAXATION OF PHOTOGENERATED CHARGE-TRANSFER EXCITATION IN HALOGEN-BRIDGED MIXED-VALENCE METAL-COMPLEXES .1. SOLITON AND SELF-TRAPPED EXCITON [J].
MISHIMA, A ;
NASU, K .
PHYSICAL REVIEW B, 1989, 39 (09) :5758-5762