Synthesis and X-ray Powder Diffraction Characterization of A New Niobate Crystal Ba4Na2VNb9O（30）
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2002年第1期
论文作者：张高科
文章页码：33 - 34
摘 要：A new niobate crystal Ba4Na2 VNb9O30 was synthesized in BaO-Na2O-V2O5-Nb2O5 system for the first time. Its shape, optical properties , melting point and chemical stability were studied. X - ray powder diffraction study determined that this compound assumes a tetragonal tungsten bronze structure with space group P4bm（100） and lattice parameters a = b= 12.4275（2）,e=3.970（3）. The new compound may be one kind of photorefractive crystals.
张高科
摘 要：A new niobate crystal Ba4Na2 VNb9O30 was synthesized in BaO-Na2O-V2O5-Nb2O5 system for the first time. Its shape, optical properties , melting point and chemical stability were studied. X - ray powder diffraction study determined that this compound assumes a tetragonal tungsten bronze structure with space group P4bm（100） and lattice parameters a = b= 12.4275（2）,e=3.970（3）. The new compound may be one kind of photorefractive crystals.
关键词：
