Controlling Ferromagnetic Easy Axis in a Layered MoS2 Single Crystal

Sang Wook Han, Young Hun Hwang, Seon-Ho Kim, Won Seok Yun, J. D. Lee, Min Gyu Park, Sunmin Ryu, Ju Sang Park, Dae-Hwang Yoo, Sang-Pil Yoon, Soon Cheol Hong, Kwang S. Kim, and Young S. Park
Phys. Rev. Lett. 110, 247201 – Published 11 June 2013
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Abstract

We report the effective methods to induce weak ferromagnetism in pristine MoS2 persisting up to room temperature with the improved transport property, which would lead to new spintronics devices. The hydrogenation of MoS2 by heating at 300°C for 1 h leads to the easy axis out of plane, while the irradiation of proton with a dose of 1×1013P/cm2 leads to the easy axis in plane. The theoretical modeling supports such magnetic easy axes.

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  • Received 20 November 2012

DOI:https://doi.org/10.1103/PhysRevLett.110.247201

© 2013 American Physical Society

Authors & Affiliations

Sang Wook Han1,*, Young Hun Hwang1, Seon-Ho Kim2, Won Seok Yun3, J. D. Lee3, Min Gyu Park4, Sunmin Ryu4, Ju Sang Park5, Dae-Hwang Yoo1, Sang-Pil Yoon6, Soon Cheol Hong1, Kwang S. Kim2,†, and Young S. Park2,‡

  • 1Department of Physics and Energy Harvest–Storage Research Center, University of Ulsan, Ulsan 680-749, Korea
  • 2Department of Chemistry and Department of Physics, Center for Superfunctional Materials, Pohang University of Science and Technology, Pohang 790-784, Korea
  • 3Department of Emerging Materials Science, DGIST, Daegu 711-873, Korea
  • 4Department of Applied Chemistry, Kyung Hee University, Yongin 446-701, Korea
  • 5School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea
  • 6Proton Engineering Frontier Project, Korea Atomic Energy Research Institute, Daejeon 989-111, Korea

  • *Present address: Center for Low Dimensional Electronic Symmetry and Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Korea.
  • kim@postech.ac.kr
  • ysinpark@postech.ac.kr

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Vol. 110, Iss. 24 — 14 June 2013

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Heating up of Superconductors
January 27, 2017

This collection marks the 30th anniversary of the discovery of high-temperature superconductors. The papers selected highlight some of the advances that have been made to date, both in understanding why these compounds behave in the way they do, and in utilizing them in applications. The papers included in the collection have been made free to read.

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