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001015304 1001_ $$0P:(DE-HGF)0$$aGhosh, Anudeepa$$b0
001015304 245__ $$aAnisotropic magnetodielectric coupling in layered antiferromagnetic FePS 3
001015304 260__ $$aWoodbury, NY$$bInst.$$c2023
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001015304 520__ $$aWe report anisotropic magnetodielectric coupling in layered van der Waals antiferromagnetic FePS3 (Néel temperature TN∼ 120 K) with perpendicular anisotropy. Above TN, while the dielectric response function along the c axis shows frequency-dependent relaxations, in-plane data is frequency independent and reveals a deviation from phonon-anharmonicity in the ordered state, thereby implying a connection to spin-phonon coupling known to be indicative of onset of magnetic ordering. At low temperature (below 40 K), atypical anomaly in the dielectric constant is corroborated with temperature-dependent dc and ac susceptibility. The magnetodielectric response across this anomaly differs significantly for both in-plane and out-of-plane cases. We have explained this in terms of preferential orientation of magnetic antiferromagnetic zigzag alignment, implied by the in-plane structural anisotropy as confirmed by ab initio calculations. Controlling the relative strength of magnetodielectric coupling with magnetic anisotropy opens a strategy for tracking subtle modifications of structures, such as in-plane anisotropy, with potential applications for spintronic technologies.
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001015304 7001_ $$0P:(DE-HGF)0$$aBirowska, Magdalena$$b1
001015304 7001_ $$0P:(DE-HGF)0$$aGhose, Pradeepta Kumar$$b2
001015304 7001_ $$0P:(DE-HGF)0$$aRybak, Miłosz$$b3
001015304 7001_ $$0P:(DE-HGF)0$$aMaity, Sujan$$b4
001015304 7001_ $$0P:(DE-HGF)0$$aGhosh, Somsubhra$$b5
001015304 7001_ $$0P:(DE-HGF)0$$aDas, Bikash$$b6
001015304 7001_ $$0P:(DE-HGF)0$$aDey, Koushik$$b7
001015304 7001_ $$0P:(DE-HGF)0$$aBera, Satyabrata$$b8
001015304 7001_ $$00000-0002-0716-1267$$aBhardwaj, Suresh$$b9
001015304 7001_ $$0P:(DE-Juel1)177779$$aNandi, Shibabrata$$b10
001015304 7001_ $$00000-0002-2611-954X$$aDatta, Subhadeep$$b11$$eCorresponding author
001015304 773__ $$0PERI:(DE-600)2844160-6$$a10.1103/PhysRevB.108.L060403$$gVol. 108, no. 6, p. L060403$$n6$$pL060403$$tPhysical review / B$$v108$$x2469-9950$$y2023
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