Voltage controlled magnetism in 3d transitional metals

C. Bi; Y. Liu; T. Newhouse-Illige; M. Xu; J. Freeland; O. N. Mryasov; Shufeng Zhang; S. G. Te Velthuis; Weigang Wang

doi:10.1109/INTMAG.2015.7157428

Voltage controlled magnetism in 3d transitional metals

C. Bi, Y. Liu, T. Newhouse-Illige, M. Xu, J. Freeland, O. N. Mryasov, Shufeng Zhang, S. G. Te Velthuis, Weigang Wang

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Controlling the magnetic properties of solids by electric fields has been an interesting research subject, not only because of the intriguing correlation between the electric and magnetic orders in solid-state systems, but also the potential applications in ultra-low energy spintronic devices. In the past, research has mostly been carried out with multiferroic materials and magnetic semiconductors. Recently, more effort was focused on 3d transition ferromagnetic metals. Especially in heavy metal/ferromagnet/oxide (HM/FM/oxide) structures where the magnetic anisotropy has an interfacial origin, electric fields can cause a marked change in the magnetic anisotropy energy. This voltage-controlled magnetic anisotropy (VCMA) can be understood by the electric field induced charge transfer among different d orbitals of the FM. The order of this effect is around 100 fJ/Vm and it vanishes with the removing of the electric fields.

Original language	English (US)
Title of host publication	2015 IEEE International Magnetics Conference, INTERMAG 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781479973224
DOIs	https://doi.org/10.1109/INTMAG.2015.7157428
State	Published - Jul 14 2015
Event	2015 IEEE International Magnetics Conference, INTERMAG 2015 - Beijing, China Duration: May 11 2015 → May 15 2015

Other

Other	2015 IEEE International Magnetics Conference, INTERMAG 2015
Country/Territory	China
City	Beijing
Period	5/11/15 → 5/15/15

ASJC Scopus subject areas

Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/INTMAG.2015.7157428

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Voltage controlled magnetism in 3d transitional metals. / Bi, C.; Liu, Y.; Newhouse-Illige, T.; Xu, M.; Freeland, J.; Mryasov, O. N.; Zhang, Shufeng; Te Velthuis, S. G.; Wang, Weigang.

2015 IEEE International Magnetics Conference, INTERMAG 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7157428.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Bi, C, Liu, Y, Newhouse-Illige, T, Xu, M, Freeland, J, Mryasov, ON, Zhang, S, Te Velthuis, SG & Wang, W 2015, Voltage controlled magnetism in 3d transitional metals. in 2015 IEEE International Magnetics Conference, INTERMAG 2015., 7157428, Institute of Electrical and Electronics Engineers Inc., 2015 IEEE International Magnetics Conference, INTERMAG 2015, Beijing, China, 5/11/15. https://doi.org/10.1109/INTMAG.2015.7157428

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abstract = "Controlling the magnetic properties of solids by electric fields has been an interesting research subject, not only because of the intriguing correlation between the electric and magnetic orders in solid-state systems, but also the potential applications in ultra-low energy spintronic devices. In the past, research has mostly been carried out with multiferroic materials and magnetic semiconductors. Recently, more effort was focused on 3d transition ferromagnetic metals. Especially in heavy metal/ferromagnet/oxide (HM/FM/oxide) structures where the magnetic anisotropy has an interfacial origin, electric fields can cause a marked change in the magnetic anisotropy energy. This voltage-controlled magnetic anisotropy (VCMA) can be understood by the electric field induced charge transfer among different d orbitals of the FM. The order of this effect is around 100 fJ/Vm and it vanishes with the removing of the electric fields.",

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AU - Liu, Y.

AU - Newhouse-Illige, T.

AU - Xu, M.

AU - Freeland, J.

AU - Mryasov, O. N.

AU - Zhang, Shufeng

AU - Te Velthuis, S. G.

AU - Wang, Weigang

PY - 2015/7/14

Y1 - 2015/7/14

N2 - Controlling the magnetic properties of solids by electric fields has been an interesting research subject, not only because of the intriguing correlation between the electric and magnetic orders in solid-state systems, but also the potential applications in ultra-low energy spintronic devices. In the past, research has mostly been carried out with multiferroic materials and magnetic semiconductors. Recently, more effort was focused on 3d transition ferromagnetic metals. Especially in heavy metal/ferromagnet/oxide (HM/FM/oxide) structures where the magnetic anisotropy has an interfacial origin, electric fields can cause a marked change in the magnetic anisotropy energy. This voltage-controlled magnetic anisotropy (VCMA) can be understood by the electric field induced charge transfer among different d orbitals of the FM. The order of this effect is around 100 fJ/Vm and it vanishes with the removing of the electric fields.

AB - Controlling the magnetic properties of solids by electric fields has been an interesting research subject, not only because of the intriguing correlation between the electric and magnetic orders in solid-state systems, but also the potential applications in ultra-low energy spintronic devices. In the past, research has mostly been carried out with multiferroic materials and magnetic semiconductors. Recently, more effort was focused on 3d transition ferromagnetic metals. Especially in heavy metal/ferromagnet/oxide (HM/FM/oxide) structures where the magnetic anisotropy has an interfacial origin, electric fields can cause a marked change in the magnetic anisotropy energy. This voltage-controlled magnetic anisotropy (VCMA) can be understood by the electric field induced charge transfer among different d orbitals of the FM. The order of this effect is around 100 fJ/Vm and it vanishes with the removing of the electric fields.

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Voltage controlled magnetism in 3d transitional metals

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