TRANSIENT ABSORPTION ENERGIES OF THE SELF-TRAPPED EXCITON IN ALKALI-HALIDE CRYSTALS - AN ABINITIO STUDY

被引：3
|
作者：
BAETZOLD, RC [1 ]
SONG, KS [1 ]
机构：
[1] UNIV OTTAWA,DEPT PHYS,OTTAWA K1N 6N5,ONTARIO,CANADA
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 03期
关键词：
D O I：
10.1103/PhysRevB.47.1199
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Excited states of the spin-triplet self-trapped exciton (STE) in NaF, NaCl, and NaBr crystals are calculated by an ab initio Hartree-Fock method. The results are consistent with the experimental data measured by transient absorption and support the off-center model of the STE according to which the STE is an interacting Frenkel defect pair.
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页码：1199 / 1202
页数：4
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