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Article
Annealing and optical homogeneity of large ZnGeP2 single crystal
A high-quality ZnGeP2 (ZGP) single crystal with large size of Φ30 mm × 80 mm was grown by a modified vertical Bridgman method. ZGP wafers were annealed with ZGP polycrystalline powder for 300 h at 550, 600 and 65...
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Article
Surface treatments of CdGeAs2 single crystals
The performances of second harmonic generation (SHG) and optical parametric oscillator (OPO) in CdGeAs2 crystal are strongly influenced by surface quality. In this paper, the surfaces of samples were treated by m...
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Article
Growth and characterizations of CdGeAs2 single crystal by descending crucible with rotation method
By the method of descending crucible with rotation, crack-free CdGeAs2 single crystals of Φ15 mm × 50 mm were grown in a furnace with three independent heating zones after optimizing the temperature field, and th...