期刊
RSC ADVANCES
卷 4, 期 53, 页码 27830-27836出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra02740j
关键词
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资金
- State National Natural Science Foundation of China [51272129, 50802054, 50721002]
- 973 Program of the People's Republic of China [2010CB630702]
A large single LiGa3Te5 (LGT) crystal was grown with size up to empty set16 mm x 50 mm for the first time using a modified vertical Bridgman-Stockbarger method. LGT crystallizes in the non-centrosymmetric system, space group R32, with a = b = 14.343(7) angstrom, c = 17.617 angstrom, Z = 12, and V 3139 angstrom(3). A detailed description of the polyhedral connections in the LGT structure is presented. The X-ray rocking curve, specific heat and thermal conductivity are also investigated. The room-temperature transmission of the as-grown LGT without any coating is above the 40% level from 3.5 to 18 mu m. The cut-off edges at short and long wavelength are 0.9 and 25 mu m, respectively. Owing to its wide transparency range, LGT is a promising candidate for MIR and far-infrared NLO applications, and even for THz transmission and generation.
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