کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10226633 1701282 2019 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Thermal shift research on the R1 and R2 lines of Cr3+-doped ZnGa2O4 spinel with a full expression
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Thermal shift research on the R1 and R2 lines of Cr3+-doped ZnGa2O4 spinel with a full expression
چکیده انگلیسی
This paper gives a theoretical research on the thermal shifts of Ri (i = 1, 2) lines (corresponding to the transitions from two components of the first excited state 2E to the ground state 4A2) in ZnGa2O4: Cr3+ spinel with a full expression including both the static effect due to lattice thermal expansion and the dynamic effect owing to electron-phonon interaction. The outcomes show that the static and dynamic effects result in the thermal blue- and red-shifts, respectively. The relative importances of static effect for R1 and R2 lines are, respectively, about 26% and 27% and so the observed thermal shifts of Ri lines are thermal red-shifts. The true electron-phonon coupling parameters α' for both the Ri lines are evaluated. They are found to be about 1.36 times the corresponding apparent electron-phonon coupling parameters α acquired by considering only the dynamic effect. These results are discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optik - Volume 176, January 2019, Pages 334-336
نویسندگان
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