OPTICAL-PROPERTIES OF UNDOPED AND CO-DOPED ZN0.5MG0.5TE SINGLE-CRYSTALS

被引：2
|
作者：
KIM, YG
KIM, CD
KIM, HG
YANG, DI
KIM, WT
机构：
[1] MOKPO NATL UNIV,DEPT PHYS,MOKPO 594929,SOUTH KOREA
[2] CHOSUN UNIV JR COLL,DEPT ELECT,KWANGJU 501759,SOUTH KOREA
[3] JEONBUK NATL UNIV,DEPT PHYS,JEONJU 560756,SOUTH KOREA
[4] CHANNAM NATL UNIV,DEPT PHYS,KWANGJU 500757,SOUTH KOREA
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷
关键词：
CHEMICAL TRANSPORT REACTION METHOD; OPTICAL ENERGY GAP; VARSHINI EQUATION; IMPURITY OPTICAL ABSORPTION; SPIN-ORBIT COUPLING EFFECT;
D O I：
10.7567/JJAPS.32S3.590
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Zn0.5Mn0.5Te and Zn0.5Mg0.5Te:Co2+ single crystals were grown by chemical transport reaction (CTR) method which is applied to the temperature modulation method. The energy gaps of the grown single crystals at 298 K are 2.340 eV for Zn0.5Mg0.5Te and 2.213 eV for Zn0.5Mg0.5Te:Co2+. The temperature dependence of the energy gap is well represented by the Varshni equation. Impurity optical absorption of Zn0.5Mg0.5Te:Co2+ single crystal is described by the electronic transitions between energy levels of Co2+ ion which is sited at T(d) symmetry point in the crystal.
引用
收藏
页码：590 / 592
页数：3
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