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Microstructure evolution and phase transition in La/Mn doped barium titanate ceramics
dc.creator | Paunović, Vesna | |
dc.creator | Mitić, Vojislav | |
dc.creator | Pavlović, Vladimir | |
dc.creator | Miljković, Miroslav | |
dc.creator | Živković, Ljiljana | |
dc.date.accessioned | 2020-12-17T19:52:42Z | |
dc.date.available | 2020-12-17T19:52:42Z | |
dc.date.issued | 2010 | |
dc.identifier.issn | 1820-6131 | |
dc.identifier.uri | http://aspace.agrif.bg.ac.rs/handle/123456789/2350 | |
dc.description.abstract | La/Mn codoped BaTiO3 with different La2O3 content, ranging from 0.1 to 5.0 at% La, was investigated regarding their microstructural and dielectric characteristics. The content of 0.05 at% Mn was constant in all investigated samples. The samples were sintered at 1320°C and 1350°C for two hours. Microstructural studies were done using SEM and EDS analysis. The fine-grained microstructure was obtained even for low content of La. The appearance of secondary abnormal grains with serrated features along grain boundaries was observed in 1.0 at% La-BaTiO3 sintered at 1350°C. Nearly flat permittivity-temperature response was obtained in specimens with 2.0 and 5.0 at% La. Using the modified Curie-Weiss law a critical exponent γ and C' were calculated. The obtained values of γ pointed out the diffuse phase transformation in heavily doped BaTiO3 and great departure from the Curie-Weiss law for low doped ceramics. | en |
dc.publisher | Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Processing and Application of Ceramics | |
dc.subject | BaTiO3 | en |
dc.subject | sintering | en |
dc.subject | microstructures | en |
dc.subject | ferroelectric properties | en |
dc.title | Microstructure evolution and phase transition in La/Mn doped barium titanate ceramics | en |
dc.type | article | |
dc.rights.license | BY-NC-ND | |
dc.citation.epage | 258 | |
dc.citation.issue | 4 | |
dc.citation.other | 4(4): 253-258 | |
dc.citation.rank | M52 | |
dc.citation.spage | 253 | |
dc.citation.volume | 4 | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_agrospace_2350 | |
dc.type.version | publishedVersion |
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