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Title: Chromiteen: A New 2D Oxide Magnetic Material from Natural Ore
Authors: Thakur Prasad Yadav
Sharmila N. Shirodkar
Narumon Lertcumfu
Sruthi Radhakrishnan
Farheen N. Sayed
Kirtiman Deo Malviya
Gelu Costin
Robert Vajtai
Boris I. Yakobson
Chandra Sekhar Tiwary
Pulickel M. Ajayan
Keywords: Engineering
Issue Date: 1-Jan-2018
Abstract: © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. The absence of inherent magnetism in the family of 2D materials limits its application in magnetoelectric and magnetic storage media. Here, a simple scalable route for the synthesis of magnetic 2D material chromite (chromiteen) via sonication-assisted liquid-phase exfoliation is demonstrated. The (111) plane of the exfoliated chromite is found to be the most stable which is confirmed by its common occurrence in exfoliation. Further, the stability and dispersion are verified by ab initio density functional theoretical simulations. Magnetic measurements over a large temperature range of 4K≤T≤300K confirm ferromagnetic/superparamagnetic order with nearly 40 times higher magnetic moment saturation in chromiteen compared to chromite. The results reveal that 2D chromiteen causes a change in the magnetic behavior with respect to chromite which could be ascribed to the increase in the lattice strain as well as a magnetic strain due to high ferromagnetic fraction in 2D plane.
ISSN: 21967350
Appears in Collections:CMUL: Journal Articles

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