Investigation of ferroelectric crystals by means of the barkhausen effect

Rudyak, V. M.; Bolshakova, N. N.; Иванова, Т. И.

doi:10.1080/00150197808237231

Cited by 6 publications

(3 citation statements)

References 3 publications

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“…Rather, they are taking place as a function of time (and temperature) as the magnetic susceptibility of the material changes suddenly, jumping as grains (or domains) of VO 2 suddenly change phase between the monoclinic and rutile states. Analogous effects involving the onset of ferroelectric polarization in ferroelectric materials have also been reported [12,13]. These dynamical effects are not observable in the ACMS data of Fig.…”

supporting

confidence: 75%

Thermally driven analog of the Barkhausen effect at the metal-insulator transition in vanadium dioxide

Huber-Rodriguez

Kwang

Hardy

et al. 2014

Applied Physics Letters

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Abstract:The physics of the metal-insulator transition (MIT) in vanadium dioxide remains a subject of intense interest. Because of the complicating effects of elastic strain on the phase transition, there is interest in comparatively strain-free means of examining VO 2 material properties. We report contact-free, low-strain studies of the MIT through an inductive bridge approach sensitive to the magnetic response of VO 2 powder. Rather than observing the expected step-like change in susceptibility at the transition, we argue that the measured response is dominated by an analog of the Barkhausen effect, due to the extremely sharp jump in the magnetic response of each grain as a function of time as the material is cycled across the phase boundary. This effect suggests that future measurements could access the dynamics of this and similar phase transitions. Text:Vanadium dioxide is a showcase for the rich physics possible in correlated transition metal oxides, where strong electron-electron and electron-phonon interactions lead to competition between phases with vastly differing electronic properties. With zero strain, VO 2

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supporting

confidence: 75%

Thermally driven analog of the Barkhausen effect at the metal-insulator transition in vanadium dioxide

Huber-Rodriguez

Kwang

Hardy

et al. 2014

Applied Physics Letters

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“…(24) and (25). 5 . In mixed ferroelastics the domain structure realigns either under the action of mechanical stresses or electric fields.…”

Section: Analogously With Ferroelectrics'8 a Conception Of Ferroelastmentioning

confidence: 95%

Viscosity phenomena and switching processes in ferroelastics

Rudyak

1983

Ferroelectrics

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“…However, if J(t) is analyzed in more detail it is found that J(t) exhibits short pulses superimposed on the background of a smooth function [57]- [59]. These pulses are called Barkhausen pulses in analogy to similar pulses observed in ferromagnets.…”

Section: Basic Characteristics Of Polarization Reorientation and Of Tmentioning

confidence: 99%

Draft 16 of a working document for a proposed standard to be entitled: IEEE standard definitions of terms associated with ferroelectric and related materials

Ballato¹,

Fousek²,

Bhalla³

et al. 2003

IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

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Prior to acceptance of a standard by IEEE, it is important that the document be widely reviewed by experts in the field. This draft version of the standard is being published here to solicit that input. Readers are encouraged to submit any suggestions or corrections to the IEEE ferroelectrics standards committee for inclusion in the final version. Comments can be directed to S. Trolier-McKinstry (STMcKinstry@psu.edu).

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Investigation of ferroelectric crystals by means of the barkhausen effect

Cited by 6 publications

References 3 publications

Thermally driven analog of the Barkhausen effect at the metal-insulator transition in vanadium dioxide

Thermally driven analog of the Barkhausen effect at the metal-insulator transition in vanadium dioxide

Viscosity phenomena and switching processes in ferroelastics

Draft 16 of a working document for a proposed standard to be entitled: IEEE standard definitions of terms associated with ferroelectric and related materials

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