Relaxation dynamics, phase pattern in the vicinity of the Curie temperature, Fe valent state and the Mössbauer effect in PFN ceramics

Pavlenko, A. V.; Kozakov, A. T.; Кубрин, С. П.; Pavelko, A. A.; Guglev, K. A.; Шилкина, Л. А.; Вербенко, И. А.; Sarichev, D.A.; Резниченко, Л. А.

doi:10.1016/j.ceramint.2012.04.066

Cited by 13 publications

(3 citation statements)

References 14 publications

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“…PFN belongs to a series of compounds which includes PbFe 1/2 Ta 1/2 O 3 (PFT) [66] and PbFe 2/3 W 1/3 O 3 (PFW) that contain a magnetic Fe 3+ (S = 5 2 , L ≈ 0) ion [67]. Depending on the subtle change in the iron concentration in PFN (see, for example, Ref.…”

Section: Introductionmentioning

confidence: 99%

Fast broadband cluster spin-glass dynamics in PbFe1/2Nb1/2O3

Stock

Roessli²,

Gehring³

et al. 2022

Phys. Rev. B

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Section: Introductionmentioning

confidence: 99%

Fast broadband cluster spin-glass dynamics in PbFe1/2Nb1/2O3

Stock

Roessli²,

Gehring³

et al. 2022

Phys. Rev. B

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“…Smolensky). In PFN, a smeared phase transition from paraelectric (PE) to ferroelectric (FE) phase takes place at the Curie temperature T C = 370 K [1,2]. Despite the fact that FE and antiferromagnetic (AFM) orderings in PFN coexist only below the Neel point…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Properties and Phase Transitions of Multiferroics (1-x)BiFeO-=SUB=-3-x-=/SUB=-PbFe-=SUB=-0.5-=/SUB=-Nb-=SUB=-0.5-=/SUB=-O-=SUB=-3-=/SUB=-

Kallaev

Omarov

Bilalov

et al. 2022

Physics of the Solid State

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Studies of the heat capacity and dielectric properties of (1-x)BiFeO3-xPbFe0.5Nb0.5O3 ceramic multiferroics in the temperature range of 300-800 K were carried out. Based on studies of the temperature and concentration dependences of the heat capacity and dielectric constant, the phase transition temperatures of the (1-x)BiFeO3 system were determined. (1-x)PbFe0.5Nb0.5O3 with various x concentrations. It is shown that with an increase in the PbFe0.5Nb0.5O3 component, the temperatures of the ferroelectric and antiferromagnetic transitions in BiFeO3 shift to low temperatures. Taking into account structural studies, a "temperature-concentration" phase diagram has been constructed. Keywords: heat capacity, dielectric properties, ferromagnet, antiferromagnet, multiferroics.

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“…В PFN размытый фазовый переход из параэлектрической (ПЭ) в СЭ-фазу происходит при T C ∼ 370 K [2,3] (T Cтемпература Кюри). Несмотря на то, что в PFN СЭ и антиферромагнитное (АФМ) упорядочения сосуществуют только ниже T N ∼ 120−150 K (T N -температуры Нееля) [2,3], слабый магнитоэлектрический (МЭ) и магнитодиэлекрический (МДЭ) эффекты в нем проявляются при превышающей комнатную температуре [4,5]. Феррит висмута BiFeO 3 (BFO) так же является мультиферроиком -величина СЭ-поляризации достигает 100 µC/cm…”

Section: Introductionunclassified

Структура, диэлектрические и магнитодиэлектрические свойства керамики мультиферроика 0.5BiFeO-=SUB=-3-=/SUB=--0.5PbFe-=SUB=-0.5-=/SUB=-Nb-=SUB=-0.5-=/SUB=-O-=SUB=-3-=/SUB=-

Pavlenko¹,

Zhidel²,

Шилкина³

2020

Физика Твердого Тела

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The structure, dielectric characteristics, and magnetoelectric effect of multiferroic 0.5BiFeO3–0.5PbFe0.5Nb0.5O3 ceramics were studied. Ceramics are found to be pure. At room temperature, ceramics has a cubic structure close to а = 3.999(5) Å, which remains in the temperature range of 20–600 оС. It was shown that 0.5BiFeO3–0.5PbFe0.5Nb0.5O3 solid solution at Т < 200 оС combines both ferroelectric and antiferromagnetic properties. At room temperature in a constant magnetic field of 0.86 T, magnetodielectric coefficient and dielectric loss in the material are –0.4 % and –0.5 %, respectively.

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Relaxation dynamics, phase pattern in the vicinity of the Curie temperature, Fe valent state and the Mössbauer effect in PFN ceramics

Cited by 13 publications

References 14 publications

Fast broadband cluster spin-glass dynamics in PbFe1/2Nb1/2O3

Fast broadband cluster spin-glass dynamics in PbFe1/2Nb1/2O3

Thermodynamic Properties and Phase Transitions of Multiferroics (1-x)BiFeO-=SUB=-3-x-=/SUB=-PbFe-=SUB=-0.5-=/SUB=-Nb-=SUB=-0.5-=/SUB=-O-=SUB=-3-=/SUB=-

Структура, диэлектрические и магнитодиэлектрические свойства керамики мультиферроика 0.5BiFeO-=SUB=-3-=/SUB=--0.5PbFe-=SUB=-0.5-=/SUB=-Nb-=SUB=-0.5-=/SUB=-O-=SUB=-3-=/SUB=-

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