The detail indexed powder diffraction data for Ba2NaNb5O15, SrBaNaNb5O15 and Sr2.05Na0.90Nb5O15 were given. These data may replace those presented in the JCPDS X-Ray Powder Diffraction Standards Data Pile (Cards No. 23-654, 27-1408, 27-1409, 27-787).
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- 给出了Ba_2NaNb_5O_(15)；SrBaNaNb_5O_(15)和Sr_(2.；05)Na_(0
