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首页> 外文期刊>Journal of Materials Research >Photoluminescence spectral lines identification in Ho_3+-, Er_3+-, and Tm_3+-doped MgrZn_1-x Se single crystals' Er_3+-,
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Photoluminescence spectral lines identification in Ho_3+-, Er_3+-, and Tm_3+-doped MgrZn_1-x Se single crystals' Er_3+-,

机译:Ho_3 +-,Er_3 +-和Tm_3 +掺杂的MgrZn_1-x Se单晶Er_3 +-中的光致发光光谱线识别,

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摘要

Mg_xZn_l-xSi:Ho_3+, Mg_xZnl-xSe:Er_3+, and Mg_xZn_l-xSe:Tm_3+ single crystals were grown by the closed-tube sublimation method. The single crystals crystallized into a zincblende structure at the composition x = 0.ll and a wurtzite structure at the composition x = 0.25, 0.32, and 0.4l. The trivalent ions (Ho_3+, Er_3+, and Tm_3+) of the rare-earth elements Ho, Er, and Tm site in T_d and C_3v. symmetries in the single crystals with zincblende and wurtzite structures, respectively. Sharp emission peaks appeared in the photoluminescence spectra of the single crystals. These emission peaks are identified to originate from the radiation recombination between the energy levels of the trivalent ions sited in T_d and C_3. symmetries.
机译:Mg_xZn_1-xSi:Ho_3 +,Mg_xZn1-xSe:Er_3 +和Mg_xZn_1-xSe:Tm_3 +单晶通过闭管升华法生长。在组成x = 0.1.1时结晶成闪锌矿结构,在组成x = 0.25、0.32和0.4l时结晶成纤锌矿结构。 T_d和C_3v中稀土元素Ho,Er和Tm的三价离子(Ho_3 +,Er_3 +和Tm_3 +)。分别具有闪锌矿和纤锌矿结构的单晶的对称性。在单晶的光致发光光谱中出现尖锐的发射峰。识别出这些发射峰源于位于T_d和C_3中的三价离子的能级之间的辐射复合。对称性。

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