Nonstationary current-driven dynamics of vortex domain walls in films with in-plane anisotropy
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.10.062
Abstract: Abstract Micromagnetic simulation of a current-driven vortex domain wall motion in a film with in-plane anisotropy was carried out. The current density values j > j c were considered corresponding to the nonstationary motion, with… read more here.
Keywords: vortex domain; current driven; plane anisotropy; domain wall ... See more keywords
Molecular dynamics simulations of void-mediated polarization vortex domain switching in compressed BaTiO3 nanofilm
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0055370
Abstract: Molecular dynamics simulations based on the anisotropic shell model with the first-principles parameters are performed to investigate the void-mediated polarization vortex domain switching in compressed BaTi O 3 nanofilms. When a unit-cell-size void is located… read more here.
Keywords: vortex domain; vortex; void; polarization ... See more keywords
Strain-induced vortex domain structure in Nano-crystalline ferroelectric
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DOI: 10.1080/00150193.2020.1713338
Abstract: Abstract Ferroelectric domain structures have attracted much attention due to their potential applications in storage. In this paper, the molecular dynamics method based on shell model is employed to simulate the uniaxial tensile strain applied… read more here.
Keywords: strain induced; vortex domain; domain; domain structure ... See more keywords
Electrocaloric effect enhancement in compositionally graded ferroelectric thin films driven by a needle-to-vortex domain structure transition
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abf0ed
Abstract: Obtaining large electrocaloric (EC) effects in ferroelectric materials is a prerequisite for incorporating them into advanced solid-state cooling devices. Based on phase-field simulations, we propose an effective approach for improving the EC effect near room… read more here.
Keywords: vortex domain; domain structure; effect; gradient ... See more keywords
Influence of asymmetric pinning of vortex domain walls on the magnetization curve of films with in-plane anisotropy
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Metals and Metallography"
DOI: 10.1134/s0031918x17050052
Abstract: A hysteresis loop shifted relative to the zero field in a fragment of a 100-nm-thick film with inplane anisotropy has been calculated based on a three-dimensional micromagnetic simulation. The reason for the revealed effect is… read more here.
Keywords: asymmetric pinning; vortex domain; magnetization; pinning vortex ... See more keywords