Na<sub>3</sub>Cd<sub>3</sub>B(PO<sub>4</sub>)<sub>4</sub>: A New Noncentrosymmetric Borophosphate with Zero-Dimensional Anion Units
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A new noncentrosymmetric borophosphate, Na3Cd3B(PO4)4, has been successfully synthesized by conventional solid state reaction for the first time. It crystallizes in the orthorhombic space group Pmc21 with unit cell parameters of a = 13.6854(3) Å, b = 5.3346(11) Å, c = 18.2169(4) Å, and Z = 4. Na3Cd3B(PO4)4 features zero-dimensional [B(PO4)4]9– anion units with Cd2+ and Na+/Cd2+ cations located around them, in which the BO4 tetrahedron is surrounded by four PO4 tetrahedra by sharing the vertexes of O atoms. Second harmonic generation (SHG) measurements show that Na3Cd3B(PO4)4 exhibits a SHG response 1.1 times larger than that of KH2PO4 (KDP) and is phase matchable.
创建时间：
2012-10-15
