Liquid-phase sintered bismuth ferrite multiferroics and their giant dielectric constant

N.A Liedienov,A.I Gudimenko,A.V Voznyak,D.D Tatarchuk,I.V Fesych,Y.V Didenko,V.Ya Sycheva,G.G Levchenko,V.P Kladko,A.V Pashchenko,I.I Makoed,V.A Turchenko,A.T Kozakov

doi:10.1016/j.ceramint.2019.04.220

Liquid-phase sintered bismuth ferrite multiferroics and their giant dielectric constant

N.A Liedienov, A.I Gudimenko + Show 11 more

https://doi.org/10.1016/j.ceramint.2019.04.220

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Journal: Ceramics International	Publication Date: Apr 29, 2019
Citations: 33

Affiliation: Jilin University, Donetsk Institute for Physics and Engineering named after O.O. Galkin, V.E. Lashkaryov Institute of Semiconductor Physics, Taras Shevchenko National University of Kyiv, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Donetsk National University of Economics and Trade named after Mykhailo Tugan-Baranovsky, Institute of Magnetism

#Giant Dielectric Constant #Rapid Liquid-phase Sintering Method + Show 8 more

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Abstract Rapid liquid-phase sintering method has been modified and used to synthesize Bi 1- x La x FeO 3- δ compositions (0 ≤ x ≤ 0.5). The temperature and sintering procedures to obtain stable single-phase samples have been defined. This provides a significant reduction in the synthesis time, which is especially important for mass production. Furthermore, giant dielectric constants have been observed in Bi 1- x La x FeO 3- δ compositions, the values of which are one order of magnitude larger than those of similar Bi-based multiferroics obtained by conventional methods. It potentially makes them one of the most promising materials for modern technological applications.

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