首页|XPS Characterization of Perovskite Relaxor PNN Ceramics Prepared by Corundum Precursor Method
XPS Characterization of Perovskite Relaxor PNN Ceramics Prepared by Corundum Precursor Method
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Perovskite ferroelectric PNN ceramics have been obtained from oxides by sintering in air, using a two-stage process with corundum Ni_4Nb_2O_9 precursor. Under suitable firing condition, XRJD analysis revealed that the ceramics consist of 100% perovskite phase. The SEM, EDX, and XPS techniques were employed to investigate the chemical composition of the surfaces of the PNN ceramics. Fluctuation in chemical composition, precipitation of NiO and the Pb-Ni-Nb-O phase different from perovskite were found.
lead nickel niobateperovskitecorundumX-ray photoelectron spectroscopy
Laongnuan Srisombat、Orawan Khamman、Rattikorn Yimnirun、Supon Ananta、T. Randall Lee
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Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200 Thailand
Department of Physics, Faculty of Science, Chiang Mai University, Chiang Mai 50200 Thailand
School of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000 Thailand
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