16 September 2016 A first-principles study of the transition metals doped ZnSe crystal synthesized by vapor phase thermal diffusion method
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Abstract
Transition metals (TM) doped ZnSe crystals were synthesized by vapor phase thermal diffusion method. The absorption spectra of TM2+-doped ZnSe crystal were measured. First-principles calculations of the electronic structure and optical properties of TM2+: ZnSe were performed. The results demonstrate that when Zn is replaced by a TM atom, impurity bands (IB) are created in the bandgap and additional absorption peak appears in infrared region. The experimental absorption spectra match well with the calculated results, which is identified by electronic calculations to be caused by d-d transitions of TM2+ ions.
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Yuqin Zhang, Yuqin Zhang, Guoying Feng, Guoying Feng, Shouhuan Zhou, Shouhuan Zhou, "A first-principles study of the transition metals doped ZnSe crystal synthesized by vapor phase thermal diffusion method", Proc. SPIE 9920, Active Photonic Materials VIII, 99200L (16 September 2016); doi: 10.1117/12.2236152; https://doi.org/10.1117/12.2236152
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