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Title: Effect of gold nanoparticles on lead zinc niobate–barium titanate structure by X-ray absorption spectroscopy
Authors: Phakkhananan Pakawanit
Rattikorn Yimnirun
Yongyut Laosiritaworn
Kanokwan Kanchiang
Keywords: Materials Science
Physics and Astronomy
Issue Date: 18-Nov-2017
Abstract: © 2017 Taylor & Francis Group, LLC. The 0.93PZN-0.07BT ceramics containing 0.5 wt% AuNPs sintering was carried out for 3–5 h at various temperatures ranging from 1100 to 1150°C. The effect of AuNPs on 0.93PZN-0.07BT local structure and dielectric properties were investigated. The Au K-edge XANES spectrum indicated that AuNPs are not substituted into 0.93PZN-0.07BT structure. The dielectric constants and dielectric loss of 0.93PZN-0.07BT ceramics containing 0.5 wt% AuNPs after sintering at 1050°C for 3–5 h are higher and lower than that of 0.93PZN-0.07BT ceramics without AuNPs after sintering at 1100°C for 3–5 h, respectively, which can be described by assuming the connectivity series between the ceramics and the metal phases. In addition, Curie temperature shifting of 0.93PZN-0.07BT ceramics containing 0.5 wt% AuNPs due to the higher degree of chemical heterogeneity caused by the AuNPs addition. Therefore, the including of AuNPs into 0.93PZN-0.07BT ceramics can be improving dielectric properties with lower temperature and shorter time in sintering process.
ISSN: 15635112
Appears in Collections:CMUL: Journal Articles

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