Voltage control of spin wave resonance in La0.5Sr0.5MnO3/PMN-PT (001) multiferroic heterostructures

被引：14

作者：

Zhu, Mingmin ^{[1
,2
]}

Zhou, Ziyao ^{[1
,2
]}

Xue, Xu ^{[1
,2
]}

Guan, Mengmeng ^{[1
,2
]}

Xian, Dan ^{[3
,4
]}

Wang, Chenying ^{[3
,4
]}

Hu, Zhongqiang ^{[1
,2
]}

Jiang, Zhuang-De ^{[3
,4
]}

Ye, Zuo-Guang ^{[1
,2
,3
,5
,6
]}

Ren, Wei ^{[1
,2
,3
]}

Liu, Ming ^{[1
,2
,3
]}

机构：

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

[2] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Xian 710049, Shaanxi, Peoples R China

[3] Xi An Jiao Tong Univ, Collaborat Innovat Ctr High End Mfg Equipment, Xian 710049, Shaanxi, Peoples R China

[4] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Shaanxi, Peoples R China

[5] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada

[6] Simon Fraser Univ, LABS 4D, Burnaby, BC V5A 1S6, Canada

来源：

APPLIED PHYSICS LETTERS | 2017年 / 111卷 / 10期

基金：

加拿大自然科学与工程研究理事会;

关键词：

FERROMAGNETIC-RESONANCE; SPINTRONICS; DEVICES; FILMS;

D O I：

10.1063/1.4990545

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The voltage modulation in spin dynamics via the spin-lattice coupling (SLC) effect has been investigated in epitaxial La0.5Sr0.5MnO3/PMN-PT multiferroic heterostructures. The critical angle for the disappearance of the first exchange (FEX) spin wave has been observed around 67 degrees experimentally and been shifted about 4 degrees by applying an electric field (E-field). In particular, at the critical angle, the FEX spin wave can be switched "on" and "off" by voltages, showing great potential in realizing magnonic devices. Moreover, the FEX spin wave resonance shift of 187 Oe at 173K has been realized by the voltage driven SLC effect, which is a little larger than piezostrain-induced ferromagnetic resonance shift of 169 Oe. The experimental results can be well-explained by the modified Puszkarski spin wave theory. Published by AIP Publishing.

引用

页数：5

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