合成金刚石吸收边的温度依赖性

Atomic and Molecular Pulsed Lasers Pub Date : 2021-12-02 DOI:10.1117/12.2616516

E. A. Kolesnik, V. Ripenko, S. Dzyadukh, E. Lipatov

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摘要

利用200 ~ 300 nm光谱范围内的光谱学方法，研究了7种IIa型合成金刚石样品在12 ~ 470 K温度范围内的吸收边缘和透射光谱。利用数值方法，得到了负声子和正声子分支光吸收进入自由激子态的温度依赖关系。

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Temperature dependence of the absorption edge of synthetic diamond

Using optical spectroscopy in the spectral range from 200 to 300 nm, the absorption edge and transmission spectra of 7 samples of synthetic diamond of IIa type in the temperature range from 12 K to 470 K was studied. Using numerical methods, the temperature dependences of optical absorption into the free exciton state were obtained for negative and positive phonon branches.

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Atomic and Molecular Pulsed Lasers

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