Application of BiFeO3 and Bi4Ti3O12 in ferroelectric memory, phase shifters of a phased array, and microwave HEMTs

Kalinkin, A. N.; Кожбахтеев, Е. М.; Polyakov, A. E.; Скориков, В. М.

doi:10.1134/s0020168513100038

Cited by 20 publications

(6 citation statements)

References 67 publications

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“…While having both its ferroelectric Curie temperature Tc ~ 1100 K and antiferromagnetic Néel temperature TN ~ 640 K it has attracted a lot of attention [2,3]. As a multiferroic, it can be used in magnetic sensors [4], energy harvesting devices [5] or memory devices [6]. As a piezoelectric material, it is a potential substitute for currently most used PbZrxTi1-xO3 due to enormously high polarization being measured in the form of thin films [7].…”

Section: Introductionmentioning

confidence: 99%

Nanoscale ferroelectricity in pseudo-cubic sol-gel derived barium titanate - bismuth ferrite (BaTiO3– BiFeO3) solid solutions

Pakalniškis

Łukowiak

Niaura

et al. 2020

Journal of Alloys and Compounds

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Single phase barium titanate-bismuth ferrite ((1-x)BaTiO3-(x)BiFeO3, BTO-BFO) solid solutions were prepared using citric acid and ethylene glycol assisted sol-gel synthesis method. Depending on the dopant content the samples are characterized by tetragonal, tetragonal-pseudocubic, pseudocubic and rhombohedral structure as confirmed by Raman spectroscopy and XRD measurements. An increase of the BFO content leads to a reduction in the cell parameters accompanied by a decrease in polar distortion of the unit cell wherein an average particle size increases from 60 up to 350 nm. Non zero piezoresponse was observed in the compounds with pseudocubic structure while no polar distortion was detected in their crystal structure using X-ray diffraction method. The origin of the observed non-negligible piezoresponse was discussed assuming a coexistence of nanoscale polar and non-polar phases attributed to the solid solutions with high BFO content. A coexistence of the nanoscale regions having polar and non-polar 2 character is considered as a key factor to increase macroscopic piezoresponse in the related compounds due to increased mobility of the domain walls and phase boundaries.

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Section: Introductionmentioning

confidence: 99%

Nanoscale ferroelectricity in pseudo-cubic sol-gel derived barium titanate - bismuth ferrite (BaTiO3– BiFeO3) solid solutions

Pakalniškis

Łukowiak

Niaura

et al. 2020

Journal of Alloys and Compounds

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“…The results can be used to produce bulk composite materials, as well as for the manufacture of devices requiring a rapid remagnetization using minimal energy, for example, transformer coils [16,17]. The synthesized films, along with other oxides of transition metals [18,19] can act as catalysts for the formation of functional layers by thermal oxidation of binary semiconductor compounds A 3 B 5 .…”

Section: Resultsmentioning

confidence: 99%

Synthesis and properties of nanoscale films of the Y2O3–Fe2O3 system on silicon

Milyaeva¹,

Перов²,

Bessalova³

et al. 2018

Nanosystems: Phys. Chem. Math.

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Thin films of the Y 2 O 3-Fe 2 O 3 /Si system with nanometer-scale thicknesses were synthesized by centrifugation with application of sol and gel of YFeO 3. It was found that the samples formed from the gel are characterized by the following composition: Fe 2 O 3 , Fe 3 O 4 , and Y 2 O 3 , YFeO 3 , which is not consistent with the data, obtained for powder products, and can indicate that the thermal annealing conditions were insufficient for the formation of a single-phase product. For the first time, the magnetic properties of thin ferrite films of yttrium on the surface of the silicon formed from the gel were measure. The nature of the hysteresis loop of nanofilms of yttrium ferrite with different parameters of time and speed of centrifugation suggests that the samples exhibit soft magnetic properties of a ferromagnet. The correlation between the value of specific magnetization and thickness of nanofilms was established.

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“…High values of , the temperature of the antiferromagnetic (TN  370 С) and ferroelectric (the TC  827 С) transitions in bismuth ferrite predetermined his prospects of wide application in spintronics, sensory and microwave technology, devices for converting, recording, reading and storing information [6] and other. Analysis of the literature shows a certain spread of values of the dielectric and magnetic properties, Curie and Neel temperatures in nanostructures based on bismuth ferrite, what may be due to size effects, different regimes of annealing (temperature -time, the surrounding atmosphere), the influence of impurities.…”

Section: Methods For the Prepration Of Bis-muth Ferrite Nanopowdersmentioning

confidence: 99%

“…The sol-gel method [6] with using bismuth nitrate and iron nitrate, followed by annealing at a temperature of 600 o C for 30 minutes. The method does not provide a monophasic composition and requires additional procedures for the purification of the resulting material from Bi2Fe4O9, Bi36Fe24O57 and Bi2O3 impurities.…”

Section: Methods For the Prepration Of Bis-muth Ferrite Nanopowdersmentioning

confidence: 99%

Magnetic and Electrical Characteristics of Bismuth Ferrite, Depending on the Impurities, Method of Preparation and Size of the Nanoparticles

Sarnatsky¹,

Винокуров²,

Murlieva³

et al. 2016

J. Nano- Electron. Phys.

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The prospect of application of the multiferroics in devices and spintronics devices is shown. A comparative analysis of magnetic and dielectric properties of nanostructures based on bismuth ferrite which were synthesized by various ways was made. The results of studies of the structure and properties of the nanostructured bismuth ferrite powder, synthesized by combustion of nitrate-organic precursors, are presented.

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Application of BiFeO3 and Bi4Ti3O12 in ferroelectric memory, phase shifters of a phased array, and microwave HEMTs

Abstract: This paper examines the main applications of bismuth ferrite and bismuth titanate and demon strates their potential applications in spintronics and radioelectronics.

Cited by 20 publications

References 67 publications

Nanoscale ferroelectricity in pseudo-cubic sol-gel derived barium titanate - bismuth ferrite (BaTiO3– BiFeO3) solid solutions

Nanoscale ferroelectricity in pseudo-cubic sol-gel derived barium titanate - bismuth ferrite (BaTiO3– BiFeO3) solid solutions

Synthesis and properties of nanoscale films of the Y2O3–Fe2O3 system on silicon

Magnetic and Electrical Characteristics of Bismuth Ferrite, Depending on the Impurities, Method of Preparation and Size of the Nanoparticles

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