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Effect of Pr doping on ferroelectric behaviors of Pb(Zr0.65Ti0.35)O-3
Nanjing University, Peoples R China.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Biomolekylär och Organisk Elektronik. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0002-2582-1740
Nanjing University, Peoples R China.
Nanjing University, Peoples R China.
Vise andre og tillknytning
2008 (engelsk)Inngår i: International Journal of Modern Physics B, ISSN 0217-9792, Vol. 22, nr 13, s. 2070-2081Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Pr-doped Pb(Zr0.65Ti0.35)O-3 (Pb1-xPr (Zr0.65Ti0.35)(1-x)/O-4(3), PPZT) ceramic samples are prepared using conventional solid-state sintering method, and their structural, dielectric, ferroelectric, and piezoelectric properties are investigated, focusing on the effects of Pr-doping. Upon increasing Pr doping level x, a transition of the crystallographic structure from rhombohedral symmetry to tetrahedral and finally to pseudocubic symmetry is observed at x similar to 0.08. The detailed dielectric measurements present a clear indication of relaxor-like behaviors at x = 0.08, while the samples at x less than 0.08 offer slightly improved ferroelectric properties compared with pure Pb(Zr0.65Ti0.35)O-3. In spite of the dielectric relaxor behaviors induced by Pr-doping, both the ferroelectric and piezoelectric properties of PPZT are degraded at x = 0.08. The physics underlying the Pr-doping induced relaxor behaviors is then discussed.

sted, utgiver, år, opplag, sider
WORLD SCIENTIFIC PUBL CO PTE LTD , 2008. Vol. 22, nr 13, s. 2070-2081
Emneord [en]
relaxor ferroelectrics; structural phase transition; dielectric; ferroelectric; piezoelectric
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-115704DOI: 10.1142/S0217979208039332ISI: 000256223500004OAI: oai:DiVA.org:liu-115704DiVA, id: diva2:796094
Tilgjengelig fra: 2015-03-18 Laget: 2015-03-18 Sist oppdatert: 2017-12-04

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