S
Soonyong Park
Researcher at Chung-Ang University
Publications - 32
Citations - 3578
Soonyong Park is an academic researcher from Chung-Ang University. The author has contributed to research in topics: Ferroelectricity & Magnetic structure. The author has an hindex of 16, co-authored 30 publications receiving 3367 citations. Previous affiliations of Soonyong Park include University of Maryland, College Park & Rutgers University.
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Journal ArticleDOI
Electric polarization reversal and memory in a multiferroic material induced by magnetic fields.
TL;DR: A striking interplay between ferroelectricity and magnetism in the multiferroic TbMn2O5 is reported, demonstrated by a highly reproducible electric polarization reversal and permanent polarization imprint that are both actuated by an applied magnetic field.
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Structural Anomalies and Multiferroic Behavior in Magnetically Frustrated TbMn2O5
Laurent Chapon,Graeme R. Blake,Graeme R. Blake,Matthias J. Gutmann,Soonyong Park,Namjung Hur,Paolo G. Radaelli,S-W. Cheong +7 more
TL;DR: The magnetostructural phase diagram of multiferroic TbMn2O5 is studied as a function of temperature and magnetic field by neutron diffraction, finding the geometrically frustrated magnetic structure is stabilized by "canted antiferroelectric" displacements of the Mn3+ ions.
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Spin structure and magnetic frustration in multiferroic RMn2O5 (R=Tb,Ho,Dy)
Graeme R. Blake,L. C. Chapon,P. G. Radaelli,Soonyong Park,Namjung Hur,S-W. Cheong,J. Rodríguez-Carvajal +6 more
TL;DR: In this article, the crystal and magnetic structures of the magnetoelectric materials RMn2O5 (R=Tb,Ho,Dy) using neutron diffraction as a function of temperature were studied.
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Magnetic imaging of a supercooling glass transition in a weakly disordered ferromagnet.
Weida Wu,Weida Wu,Casey Israel,Namjung Hur,Namjung Hur,Soonyong Park,Sang-Wook Cheong,Alejandro L De Lozanne +7 more
TL;DR: The results show that the observed static magnetic configuration seen below the glass-transition temperature arises from the cooperative freezing of the first-order antiferromagnetic (charge ordered) to ferromagnetic transition, and suggest that accommodation strain is important in the kinetics of the phase transition.
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Ferroelectricity induced by acentric spin-density waves in YMn2O5.
Laurent Chapon,Paolo G. Radaelli,Paolo G. Radaelli,Graeme R. Blake,Graeme R. Blake,Soonyong Park,S-W. Cheong +6 more
TL;DR: A model is proposed, based on a simple magnetoelastic coupling to the lattice, which enables the polarization based entirely on the observed magnetic structure to be predicted, and accurately reproduce the temperature dependence of the spontaneous polarization.