Diffusion Coefficient of Iron in ZnSe Polycrystals from Metal Phase for mid-IR Gain Medium Application

被引：3

作者：

Jeong, Junwoo ^{[1
]}

Myoung, NoSoung ^{[2
]}

机构：

[1] Chosun Univ, Dept Phys, Gwangju 501759, South Korea

[2] GIST, Adv Photon Res Inst, Gwangju 500712, South Korea

来源：

APPLIED SCIENCE AND CONVERGENCE TECHNOLOGY | 2014年 / 23卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

Solid state laser; Diffusion coefficient; Mid-IR gain medium; Fe:ZnSe;

D O I：

10.5757/ASCT.2014.23.6.371

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Diffusion coefficient of Fe in polycrystalline host ZnSe as a mid-IR gain medium has been measured in the annealing temperature ranges of 850 to 950 degrees C. The synthesis of the samples was carried out in quartz ampoule in which the Fe thin film deposited by physical vapor evaporation method on the ZnSe. One can realize that the diffusion coefficient strongly depends on the surface active surfactants through the cleaning process and the substrate temperature during the thin film deposition leading to 2.04x10(-9) cm(2)/s for Fe2+: ZnSe. The Annealing temperature dependence of the Fe ions diffusion in ZnSe was used to evaluate the activation energy, E-a=1.39 eV for diffusion and the pre-exponential factor D-0 of 13.5 cm(2)/s.

引用

页码：371 / 375

页数：5

共 27 条

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