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ชื่อเรื่อง: | Effects of thermal treatment on piezoelectric and dielectric properties of zirconium modified barium titanate ceramics |
ผู้แต่ง: | Jarupoom P. Munpakdee A. Eitssayeam S. Pengpat K. Rujijanagul G. |
Keywords: | Annealing Barium titanate Ceramic materials Dielectric materials Electric properties Ferroelectricity Heat treatment Scanning probe microscopy Sintering Zirconium Annealed samples Barium titanate ceramics ceramics piezoelectric Piezoelectric coefficient Solid state technique Strain levels Zirconium doped Piezoelectricity |
วันที่เผยแพร่: | 2013 |
บทคัดย่อ: | In this work, zirconium doped barium titanate ceramics were prepared via a solid state technique. After sintering at 1,450 °C for 2h, the ceramics were annealed at 1,200 °C for 4-16 h. Effects of the thermal treatment on the electrical properties of the ceramics were investigated. An improvement in strain level and piezoelectric coefficient were observed especially for the sample annealed for 8 h. Bipolar strain level and piezoelectric coefficients (d*33) of the 8 h sample were 0.26% and 326 pm/V, respectively. The dielectric constants of the annealed samples were also significantly improved. The piezoelectric and dielectric properties could be correlated with changes in densification and microstructure. © 2013 IEEE. |
URI: | https://ir.swu.ac.th/jspui/handle/123456789/14171 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896369792&doi=10.1109%2fISAF.2013.6748717&partnerID=40&md5=cb946d4a984f80f5095b8c225e9ad50f |
Appears in Collections: | Scopus 1983-2021 |
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