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Report No.

Structure analysis of (Ca,Ba)Nb$$_2$$O$$_5$$ ceramic powder from high-energy X-ray diffraction

Yoneda, Yasuhiro  ; Fu, D.*

In this work the structure of Ca$$_x$$Ba$$_{1-x}$$Nb$$_2$$O$$_6$$ (CBN) ceramic was determined from sintered polycrystalline samples, by using high-energy X-ray diffraction with powder data, allowing a good refinement of the positional and vibrational parameters of the heavy metal atoms. Synchrotron X-ray powder diffraction data were collected in the transmission mode at the beamlines BL04B2 and BL14B1 of SPring-8. We used the Rietveld and PDF analyses of high-resolution synchrotron X-ray scattering data to bridge the local and average structures.



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