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Electric-field control of ferromagnetism

Author

Listed:
  • H. Ohno

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

  • D. Chiba

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

  • F. Matsukura

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

  • T. Omiya

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

  • E. Abe

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

  • T. Dietl

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University
    Institute of Physics and College of Science, Polish Academy of Sciences)

  • Y. Ohno

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

  • K. Ohtani

    (Laboratory for Electronic Intelligent Systems, Research Institute of Electrical Communication, Tohoku University)

Abstract

It is often assumed that it is not possible to alter the properties of magnetic materials once they have been prepared and put into use. For example, although magnetic materials are used in information technology to store trillions of bits (in the form of magnetization directions established by applying external magnetic fields), the properties of the magnetic medium itself remain unchanged on magnetization reversal. The ability to externally control the properties of magnetic materials would be highly desirable from fundamental and technological viewpoints, particularly in view of recent developments in magnetoelectronics and spintronics1,2. In semiconductors, the conductivity can be varied by applying an electric field, but the electrical manipulation of magnetism has proved elusive. Here we demonstrate electric-field control of ferromagnetism in a thin-film semiconducting alloy, using an insulating-gate field-effect transistor structure. By applying electric fields, we are able to vary isothermally and reversibly the transition temperature of hole-induced ferromagnetism.

Suggested Citation

  • H. Ohno & D. Chiba & F. Matsukura & T. Omiya & E. Abe & T. Dietl & Y. Ohno & K. Ohtani, 2000. "Electric-field control of ferromagnetism," Nature, Nature, vol. 408(6815), pages 944-946, December.
    • Handle: RePEc:nat:nature:v:408:y:2000:i:6815:d:10.1038_35050040
    DOI: 10.1038/35050040
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    Cited by:

    1. Biao Qin & Muhammad Zeeshan Saeed & Qiuqiu Li & Manli Zhu & Ya Feng & Ziqi Zhou & Jingzhi Fang & Mongur Hossain & Zucheng Zhang & Yucheng Zhou & Ying Huangfu & Rong Song & Jingmei Tang & Bailing Li & , 2023. "General low-temperature growth of two-dimensional nanosheets from layered and nonlayered materials," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Jong-Guk Choi & Jaehyeon Park & Min-Gu Kang & Doyoon Kim & Jae-Sung Rieh & Kyung-Jin Lee & Kab-Jin Kim & Byong-Guk Park, 2022. "Voltage-driven gigahertz frequency tuning of spin Hall nano-oscillators," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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