Electric-field tunable rotation of optical mode ferromagnetic resonance in FeCoB/Ru/FeCoB/PMN-PT multilayers

被引：4
作者：
Zhou, Aoran [1 ,2 ]
Li, Yuanzhe [3 ]
Zhang, Shouheng [1 ]
Huang, Yicong [1 ]
Xue, Qian [1 ]
Wang, Le [1 ]
Zhao, Guoxia [1 ]
Cao, Derang [1 ]
Xu, Jie [1 ]
Jin, Zhejun [2 ]
Zong, Weihua [2 ]
Wang, Xia [1 ]
Li, Shandong [1 ,2 ]
Miao, Guo-Xing [4 ,5 ]
机构：
[1] Qingdao Univ, Coll Phys, Ctr Marine Observat & Commun, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Sch Elect & Informat, Qingdao 266071, Peoples R China
[3] Qingdao Univ, Coll Comp Sci & Technol, Qingdao 266071, Peoples R China
[4] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
[5] Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2022年 / 901卷
基金：
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词：
Ferromagnetic resonance; Optical mode; Magnetoelectric coupling; Uniaxial magnetic anisotropy; FMR intensity rotation; Reversible switch; INDUCTORS; FILMS; SPIN; PERFORMANCE;
D O I：
10.1016/j.jallcom.2021.163475
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
FeCoB/Ru/FeCoB trilayers with a uniaxial magnetic anisotropy were deposited on (011)-cut lead magnesium niobate-lead titanate (PMN-PT) single crystal ferroelectric substrates using a compositional gradient sputtering (CGS) method. Ultrahigh optical mode resonance frequencies from 11.76 to 18.96 GHz at zero magnetic field were achieved due to the strong interlayer exchange coupling between FeCoB films through Ru spacer. In this study, two orthogonal magnetic anisotropic fields (one is CGS induced anisotropy field H-K(C)GS and the other is the piezoelectric stress-induced anisotropy field H-K(ME)) were set to realize electric-field (E-field) controlled switch of magnetic moment configuration through their competition. As a result, the optical mode resonance intensity can make reversible 90 degrees rotation under applied E-field, while the advantages of ultrahigh frequency optical mode resonance in trilayers are still maintained because the interlayer exchange coupling is not destroyed by magnetoelectric coupling. The ultrahigh resonance frequency and E-field tunable and reversible FMR rotation in these trilayers provide a potential route to guide microwave flow in multifunctional microwave and spintronic devices. (C) 2021 Elsevier B.V. All rights reserved.
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页数：8
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