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Author:

Peng, Bin (Peng, Bin.) | Feng, Mengmeng (Feng, Mengmeng.) | Yang, Qu (Yang, Qu.) | Zhao, Shishun (Zhao, Shishun.) | Zhang, Yijun (Zhang, Yijun.) | Zhou, Ziyao (Zhou, Ziyao.) | Liu, Ming (Liu, Ming.) (Scholars:刘明)

Indexed by:

SCIE EI Scopus

Abstract:

Nonvolatile control of perpendicular magnetic anisotropy (PMA) is of great technological importance for low-power spintronic devices. In this study, we successfully achieved ferroelastic strain-mediated nonvolatile tuning of PMA at room temperature in (Co/Pt)(3)/(1 1 1) Pb(Mg1/3Nb2/3)O-3-PbTiO3 multiferroic heterostructures. Electric field control of magnetic anisotropy was qualitatively studied by ferromagnetic resonance. The anisotropy could be reversibly flipped between low and high perpendicular states by electric field impulses. The application of a negative electric field to positively poled Pb(Mg1/3Nb2/3)O-3-PbTiO3 resulted in a significant enhancement of PMA up to 250 Oe, in which nonvolatile modulation contributed more than 150 Oe. The nonvolatile behavior is due to non-180 degrees ferroelastic domain switching in (1 1 1) Pb(Mg1/3Nb2/3)O-3-PbTiO3 as revealed by X-ray diffraction. Ferroelastic domain switching in multiferroic heterostructures is an effective way to nonvolatilely modulate PMA that will enable the realization of high-density and power-efficient spintronic memory.

Keyword:

ferroelastic domain Magneto-electronics multiferroic heterostructure perpendicular magnetic anisotropy

Author Community:

  • [ 1 ] [Liu, Ming] Xi An Jiao Tong Univ, Elect Mat Res Lab, Key Lab, Minist Educ, Xian 710049, Shaanxi, Peoples R China
  • [ 2 ] [Liu, Ming] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Shaanxi, Peoples R China
  • [ 3 ] [Liu, Ming]Xi An Jiao Tong Univ, Elect Mat Res Lab, Key Lab, Minist Educ, Xian 710049, Shaanxi, Peoples R China
  • [ 4 ] [Liu, Ming]Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Shaanxi, Peoples R China

Reprint Author's Address:

  • 刘明

    Xi An Jiao Tong Univ, Elect Mat Res Lab, Key Lab, Minist Educ, Xian 710049, Shaanxi, Peoples R China.

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Source :

IEEE MAGNETICS LETTERS

ISSN: 1949-307X

Year: 2017

Volume: 8

1 . 5 6 8

JCR@2017

1 . 5 4 9

JCR@2020

ESI Discipline: PHYSICS;

ESI HC Threshold:120

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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