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We investigate the formation of stable one-dimensional N\'eel walls in a ferromagnetic slab with finite thickness and finite width. Taking into account the dipolar, the exchange and the uniaxial anisotropic crystalline field interactions,…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Rafael M. Fernandes , Harry Westfahl , Rogério Magalhães-Paniago , Leticia N. Coelho

Surfaces and structures capable of multiple stable configurations have attracted growing interest for on-demand shape morphing. In this work, we consider an elastic compliant plate coupled to a two-dimensional foundation comprising an array…

Applied Physics · Physics 2025-12-24 Dengge Jin , Samuele Ferracin , Vincent Tournat , Jordan R. Raney

Magnetic materials generally construct magnetic domains in external field H. These domain structures are changed with the field changes {\Delta}H accompanying the Barkhausen effects. These phenomena are shown using Fe domain energy systems…

Materials Science · Physics 2014-06-17 Shuji Obata

We investigate numerically the homogenized permittivities of composites made of low index dielectric inclusions in a ferroelectric matrix under a static electric field. A refined model is used to take into account the coupling between the…

Applied Physics · Physics 2019-09-04 Benjamin Vial , Yang Hao

The magnetoresistance (MR) associated with domain boundaries has been investigated in microfabricated bcc Fe (0.65 to 20 $\mu$m linewidth) wires with controlled stripe domains. Domain configurations have been characterized using magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. D. Kent , U. Ruediger , J. Yu , S. Zhang , P. M. Levy , Y. Zhong , S. S. P. Parkin

HfO$_2$- and ZrO$_2$-based ferroelectric thin films have emerged as promising candidates for the gate oxides of next generation electronic devices. Recent work has experimentally demonstrated that a tetragonal/orthorhombic (t/o-) phase…

Mesoscale and Nanoscale Physics · Physics 2024-03-11 Prabhat Kumar , Michael Hoffmann , Andrew Nonaka , Sayeef Salahuddin , Zhi Yao

Results of detailed investigations of stability of phases in substances with the small difference in the energies of the ferroelectric and the antiferroelectric types of dipole ordering are presented. It is shown that interaction of locally…

Materials Science · Physics 2010-12-14 V. M. Ishchuk , V. L. Sobolev

Ferroelectric domain structure evolution induced by an external electric field was investigated by means of nematic liquid crystal (NLC) method in two strontium-barium niobate single crystals of nominal composition:…

Materials Science · Physics 2013-09-24 K. Matyjasek , J. Dec , S. Miga , T. Lukasiewicz

Ferroelectrics are essential in low-dimensional memory devices for multi-bit storage and high-density integration. A polar structure is a necessary premise for ferroelectricity, mainly existing in compounds. However, it is usually rare in…

We study ferroelectricity in thin films of pseudo-proper ferroelectrics such as the so-called spiral multiferroics. We find that this type of ferroelectricity stands better against depolarizing fields than conventional one. Its…

Strongly Correlated Electrons · Physics 2015-05-13 A. Cano , A. P. Levanyuk

Local-probe imaging of the ferroelectric domain structure and auxiliary bulk pyroelectric measurements were conducted at low temperatures with the aim to clarify the essential aspects of the orbitally driven phase transition in GaMo4S8, a…

In many multiferroics, rare-earth and transition-metal orders exist side by side. For analyzing their interaction and its consequences for the multiferroic state, the associated domain patterns and their spatial correlation can give…

Thin ferroelectric BaTiO$_3$ films often exhibit continuous transitions instead of the first-order behavior of bulk crystals, a discrepancy usually attributed to epitaxial strain or dimensionality. Using quasi-adiabatic nanocalorimetry on…

In this paper, we present the dynamics and modeling of multi-domains in the ferroelectric FET (FeFET). Due to the periodic texture of domains, the electrostatics of the FeFET exhibit an oscillatory conduction band profile. To capture such…

Applied Physics · Physics 2022-08-17 Nilesh Pandey , Yogesh Singh Chauhan

Ferroelectric domain walls exhibit a range of interesting electrical properties and are now widely recognized as functional two-dimensional systems for the development of next-generation nanoelectronics. A major achievement in the field was…

Materials Science · Physics 2021-09-17 Jan Schultheiß , Tadej Rojac , Dennis Meier

Domain walls are the topological defects that mediate polarization reversal in ferroelectrics, and they may exhibit quite different geometric and electronic structures compared to the bulk. Therefore, a detailed atomic-scale understanding…

Materials Science · Physics 2017-01-12 Meng Ye , David Vanderbilt

We study the effect of depolarization field related with inhomogeneous polarization distribution, strain and surface energy parameters on a domain wall profile near the surface of a ferroelectric film within the framework of…

We present in-situ transmission electron microscopy observations of domain wall motion in thin freestanding potassium niobate single-crystals. We observe that not all domains of a given polarization orientation are equally switchable in…

Materials Science · Physics 2007-05-23 A. Krishnan , M. M. J. Treacy , M. E. Bisher , P. Chandra , P. B. Littlewood

The ferroelectric domain pattern within lithographically defined PbTiO3/SrTiO3 ferroelectric/dielectric heteroepitaxial superlattice nanostructures is strongly influenced by the edges of the structures. Synchrotron x-ray nanobeam…

Mesoscale and Nanoscale Physics · Physics 2020-02-26 J. Park , J. Mangeri , Q. Zhang , M. H. Yusuf , A. Pateras , M. Dawber , M. V. Holt , O. G. Heinonen , S. Nakhmanson , P. G. Evans

Controlling magnetism using voltage is highly desired for applications, but remains challenging due to fundamental contradiction between polarity and magnetism. Here we propose a mechanism to manipulate magnetic domain walls in…

Materials Science · Physics 2021-03-22 Jun Chen , Shuai Dong
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