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Dynamics of a single-planar domain wall in ferroelectric–ferroelastic Gd[sub 2](MoO[sub 4])[sub 3]

Lupascu, Doru C. and Shur, Vladimir Ya. and Shur, Alevtina G. (2002):
Dynamics of a single-planar domain wall in ferroelectric–ferroelastic Gd[sub 2](MoO[sub 4])[sub 3].
In: Applied Physics Letters, 80 (13), pp. 2359-2361, ISSN 00036951,
[Online-Edition: http://dx.doi.org/10.1063/1.1464665],
[Article]

Abstract

The field-induced jump-like dynamics of a single planar domain wall are investigated in single crystal uniaxial ferroelectric–ferroelastic Gd2(MoO4)3 containing extended bulk defects. The kind and location of the defects interfering with the free motion of the domain wall determines which type of elastic vibration is excited by the discontinuous jump of the domain wall. Time coincidence between optically observed jumps, Barkhausen pulses, and acoustic emissions each occur for particular jumps only. The time coincidence conditions correlate with the vibration spectra and differ for the initial release of the wall, large domain wall jumps, and clamped motions.

Item Type: Article
Erschienen: 2002
Creators: Lupascu, Doru C. and Shur, Vladimir Ya. and Shur, Alevtina G.
Title: Dynamics of a single-planar domain wall in ferroelectric–ferroelastic Gd[sub 2](MoO[sub 4])[sub 3]
Language: English
Abstract:

The field-induced jump-like dynamics of a single planar domain wall are investigated in single crystal uniaxial ferroelectric–ferroelastic Gd2(MoO4)3 containing extended bulk defects. The kind and location of the defects interfering with the free motion of the domain wall determines which type of elastic vibration is excited by the discontinuous jump of the domain wall. Time coincidence between optically observed jumps, Barkhausen pulses, and acoustic emissions each occur for particular jumps only. The time coincidence conditions correlate with the vibration spectra and differ for the initial release of the wall, large domain wall jumps, and clamped motions.

Journal or Publication Title: Applied Physics Letters
Volume: 80
Number: 13
Uncontrolled Keywords: gadolinium compounds; ferroelectric materials; ferroelasticity; electric domain walls; crystal defects; acoustic emission
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 20 Jun 2011 12:17
Official URL: http://dx.doi.org/10.1063/1.1464665
Identification Number: doi:10.1063/1.1464665
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