HIGH-QUALITY AMORPHOUS CUCL FILMS AND THEIR ANNEALING BEHAVIOR WHICH EXHIBITS A QUANTUM SIZE EFFECT ON EXCITONS

被引:13
作者
KONDO, S
SEKI, T
机构
[1] Department of Applied Physics, Faculty of Engineering, Fukui University, Fukui
来源
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1992年 / 15卷 / 02期
关键词
D O I
10.1016/0921-5107(92)90045-B
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
High quality amorphous CuCl films were obtained which are completely transparent below the absorption edge and show a sharp crystallization behaviour near 177 K. On annealing at various temperatures, the quantum size effect of excitons was observed in both the amorphous and the crystalline phases, with the confinement size being increased with increasing annealing temperature. In the amorphous phase the excitons are confined within a size defined by the short-range order, whereas grain boundaries in the crystalline phase provide confinement potential barriers.
引用
收藏
页码:133 / 137
页数:5
相关论文
共 31 条
[21]   WELL DEFINED AMORPHOUS TO CRYSTAL TRANSFORMATION OF COLD CONDENSED TLCL FILMS [J].
KONDO, S ;
ITOH, T ;
SAITO, T ;
MEKATA, M .
SOLID STATE COMMUNICATIONS, 1991, 78 (06) :557-559
[22]   AMORPHOUS TO CRYSTALLINE TRANSFORMATION OF COLD CONDENSED TLBR FILMS [J].
KONDO, S ;
ITOH, T ;
SAITO, T ;
MEKATA, M .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1991, 60 (08) :2764-2767
[23]   OPTICAL NONLINEARITIES OF EXCITONS IN CUCL MICROCRYSTALS [J].
MASUMOTO, Y ;
YAMAZAKI, M ;
SUGAWARA, H .
APPLIED PHYSICS LETTERS, 1988, 53 (16) :1527-1529
[24]   HOMOGENEOUS WIDTH OF EXCITON ABSORPTION-SPECTRA IN CUCL MICROCRYSTALS [J].
MASUMOTO, Y ;
WAMURA, T ;
IWAKI, A .
APPLIED PHYSICS LETTERS, 1989, 55 (24) :2535-2537
[25]  
MOTT NF, 1979, ELECTRONIC PROCESSES, P514
[26]   SIZE-DEPENDENT RADIATIVE DECAY OF EXCITONS IN CUCL SEMICONDUCTING QUANTUM SPHERES EMBEDDED IN GLASSES [J].
NAKAMURA, A ;
YAMADA, H ;
TOKIZAKI, T .
PHYSICAL REVIEW B, 1989, 40 (12) :8585-8588
[27]  
NIKITINE S, 1962, PROG SEMICOND, V6, P271
[28]  
Philipp H. R., 1972, J NONCRYST SOLIDS, V8, P627
[29]   CORE EXCITONS IN AMORPHOUS MAGNESIUM ALLOYS [J].
SLOWIK, JH .
PHYSICAL REVIEW B, 1974, 10 (02) :416-431
[30]   ABSORPTION-SPECTRA OF HEAVILY CU+-DOPED KCL, SRCL2 AND KL CRYSTALS [J].
TSUBOI, T .
JOURNAL OF CHEMICAL PHYSICS, 1980, 72 (10) :5343-5347