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Nanomaterials 2018, 8(5), 312; https://doi.org/10.3390/nano8050312

Short-Range Correlated Magnetic Core-Shell CrO2/Cr2O3 Nanorods: Experimental Observations and Theoretical Considerations

1
Department of Physics, National Dong Hwa University, Hualien 97401, Taiwan
2
National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan
*
Author to whom correspondence should be addressed.
Received: 14 March 2018 / Revised: 1 May 2018 / Accepted: 7 May 2018 / Published: 9 May 2018
(This article belongs to the Special Issue Ferromagnetic and Magnetic Properties of Nanostructures)
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Abstract

With the evolution of synthesis and the critical characterization of core-shell nanostructures, short-range magnetic correlation is of prime interest in employing their properties to develop novel devices and widespread applications. In this regard, a novel approach of the magnetic core-shell saturated magnetization (CSSM) cylinder model solely based on the contribution of saturated magnetization in one-dimensional CrO2/Cr2O3 core-shell nanorods (NRs) has been developed and applied for the determination of core-diameter and shell-thickness. The nanosized effect leads to a short-range magnetic correlation of ferromagnetic core-CrO2 extracted from CSSM, which can be explained using finite size scaling method. The outcome of this study is important in terms of utilizing magnetic properties for the critical characterization of core-shell nanomagnetic materials. View Full-Text
Keywords: nanocrystalline materials; CrO2/Cr2O3; core-shell nanorods; oxide materials nanocrystalline materials; CrO2/Cr2O3; core-shell nanorods; oxide materials
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gandhi, A.C.; Li, T.-Y.; Chan, T.S.; Wu, S.Y. Short-Range Correlated Magnetic Core-Shell CrO2/Cr2O3 Nanorods: Experimental Observations and Theoretical Considerations. Nanomaterials 2018, 8, 312.

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