Synthesis and Characterization of Mid-Infrared Transparency Compounds: Acentric BaHgS2 and Centric Ba8Hg4S5Se7
Wu, K (Wu, Kui); Su, X (Su, Xin); Pan, SL (Pan, Shilie); Yang, ZH (Yang, Zhihua)
2015
发表期刊INORGANIC CHEMISTRY
ISSN0020-1669
卷号54期号:6页码:2772-2779
摘要

Two mid-IR transparency compounds, namely, acentric BaHgS2 (BHS) and centric Ba8Hg4S5Se7 (BHSSe), were successfully synthesized by a conventional solid-state reaction method. The space group of BHS is orthorhombic Pmc2(1) with [HgS4] tetrahedra and isolated dumbbell-shaped [HgS2] units, while BHSSe belongs to the orthorhombic space group Pnma with infinite isolated 8[HgSe2(S/Se)(2)](4-) chains. Raman spectra and thermal analysis of the titled materials were measured. In addition, their band gaps are found to be 1.93 (BHS) and 1.98 eV (BHSSe) from the measured diffuse reflectance spectra. Significantly, the powder BHS sample exhibits a good second harmonic generation (SHG) response of similar to 6.5 times compared with that of reference AgGaS2 at a fundamental wavelength (2.09 mu m). The calculated SHG coefficients of BHS are also reported, and the maximum result agrees well with the test observation.

DOI10.1021/ic502939g
收录类别SCI
WOS记录号WOS:000351325200031
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文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/5168
专题中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
通讯作者Pan, SL (Pan, Shilie)
作者单位1.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China
2.Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China
3.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Wu, K ,Su, X ,Pan, SL ,et al. Synthesis and Characterization of Mid-Infrared Transparency Compounds: Acentric BaHgS2 and Centric Ba8Hg4S5Se7[J]. INORGANIC CHEMISTRY,2015,54(6):2772-2779.
APA Wu, K ,Su, X ,Pan, SL ,&Yang, ZH .(2015).Synthesis and Characterization of Mid-Infrared Transparency Compounds: Acentric BaHgS2 and Centric Ba8Hg4S5Se7.INORGANIC CHEMISTRY,54(6),2772-2779.
MLA Wu, K ,et al."Synthesis and Characterization of Mid-Infrared Transparency Compounds: Acentric BaHgS2 and Centric Ba8Hg4S5Se7".INORGANIC CHEMISTRY 54.6(2015):2772-2779.
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