Acoustic excitation and electrical detection of spin waves and spin currents in hypersonic bulk waves resonator with YIG/Pt system

被引：17
|
作者：
Polzikova, N. I. [1 ]
Alekseev, S. G. [1 ]
Luzanov, V. A. [2 ]
Raevskiy, A. O. [2 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Mokhovaya Str 11,Build 7, Moscow 125009, Russia
[2] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Fryazino Branch, Vvedenskiy Sq 1, Fryazino 141190, Moscow Region, Russia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 479卷
基金：
俄罗斯基础研究基金会;
关键词：
Magnetoelastic interaction; Acoustic spin pumping; Bulk acoustic waves; Resonator; YIG/Pt; ZnO; FILMS;
D O I：
10.1016/j.jmmm.2019.02.007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the self-consisted semi-analytical theory of magnetoelastic excitation and electrical detection of spin waves and spin currents in hypersonic bulk acoustic waves resonator with ZnO-GGG-YIG/Pt layered structure. Electrical detection of acoustically driven spin waves occurs due to spin pumping from YIG to Pt and inverse spin Hall (ISHE) effect in Pt as well as due to electrical response of ZnO piezotransducer. The frequency-field dependences of the resonator frequencies and ISHE voltage U-ISHE are correlated with experimental ones observed previously. Their fitting allows to determine some magnetic and magnetoelastic parameters of YIG. The analysis of the YIG film thickness influence on U-ISHE gives the possibility to find the optimal thickness for maximal U-ISHE value.
引用
收藏
页码：38 / 42
页数：5
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