Dielectric Response in Amorphous Materials Based on Polar Oxides: PbTiO3, PbFe1/2Nb1/2O3and PbMg1/3Nb2/3O3

Коротков, Л. Н.; Гриднев, С. А.; Klimentova, T. I.; Dvornikov, V.; Barmin, Yu. V.; Kozhukhar, S. N.; Posmet'yev, V.; Urasov, D.

doi:10.1080/00150190490453658

Cited by 4 publications

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“…Near the crystallization temperature (Tcr ≈ 850 K), a cusp-like anomaly in the ε / (Т) curve, which is accompanied by a distinct peak of tgδ is recorded. The positions of these anomalies coincide with the maximum of DTA signal [25]. In repeated measurements carried out after crystallization of the sample, these anomalies were not observed [25], which indicates their relationship with the crystallization of amorphous material.…”

Section: * Perovskites and Other Framework Structure Crystalline Materials * P 379mentioning

confidence: 54%

“…The positions of these anomalies coincide with the maximum of DTA signal [25]. In repeated measurements carried out after crystallization of the sample, these anomalies were not observed [25], which indicates their relationship with the crystallization of amorphous material.…”

Section: * Perovskites and Other Framework Structure Crystalline Materials * P 379mentioning

confidence: 54%

“…In addition to the features of ε / associated with crystallization, maxima of a dielectric permittivity can be observed both above and below Tcr for some amorphous ferroelectrics, for instance, PbFe1/2Nb1/2O3, PbMg1/3Nb2/3O3 [25] and BiFeO3.…”

Section: * Perovskites and Other Framework Structure Crystalline Materials * P 379mentioning

confidence: 99%

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Amorphous materials based on perovskite ferroelectrics

Гриднев

Коротков

2021

Mat & Dev

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The methods of preparation, as well as the structure and most relevant physical properties of amorphous materials based on ferroelectrics with perovskite structure are reviewed. The theoretical basis for the possibility of ferroelectricity in non-crystalline solids is discussed. The structural relaxation in a glassy state and the crystallization processes leading to the formation of a ferroelectric phase are considered. The structure and physical properties of thin-film amorphous ferroelectrics that demonstrate noticeable differences from the properties of the same materials in bulk state are discussed separately

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Section: * Perovskites and Other Framework Structure Crystalline Materials * P 379mentioning

confidence: 54%

Section: * Perovskites and Other Framework Structure Crystalline Materials * P 379mentioning

confidence: 54%