Anisotropic long-range spin transport in canted antiferromagnetic orthoferrite YFeO3

被引：39

作者：

Das, Shubhankar ^{[1
]}

Ross, A. ^{[2
]}

Ma, X. X. ^{[3
]}

Becker, S. ^{[1
]}

Schmitt, C. ^{[1
]}

van Duijn, F. ^{[4
,5
]}

Galindez-Ruales, E. F. ^{[1
]}

Fuhrmann, F. ^{[1
]}

Syskaki, M-A ^{[1
]}

Ebels, U. ^{[4
]}

Baltz, V ^{[4
]}

Barra, A-L ^{[5
]}

Chen, H. Y. ^{[3
]}

Jakob, G. ^{[1
,6
]}

Cao, S. X. ^{[3
]}

Sinova, J. ^{[1
]}

Gomonay, O. ^{[1
]}

Lebrun, R. ^{[2
]}

Klaui, M. ^{[1
,6
,7
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Inst Phys, Staudingerweg 7, D-55128 Mainz, Germany

[2] Univ Paris Saclay, Thales, CNRS, Unite Mixte Phys, F-91767 Palaiseau, France

[3] Shanghai Univ, Dept Phys, Mat Genome Inst, Int Ctr Quantum & Mol Struct, Shanghai 200444, Peoples R China

[4] Univ Grenoble Alpes, CNRS, CEA, Grenoble INP,SPINTEC, F-38000 Grenoble, France

[5] CNRS UGA UPS INSA EMFL, Lab Natl Champs Magnet Intenses, F-38042 Grenoble, France

[6] Grad Sch Excellence Mat Sci Mainz, Staudingerweg 9, D-55128 Mainz, Germany

[7] Norwegian Univ Sci & Technol, Ctr Quantum Spintron, N-7491 Trondheim, Norway

来源：

NATURE COMMUNICATIONS | 2022年 / 13卷 / 01期

基金：

欧盟地平线“2020”; 中国国家自然科学基金;

关键词：

REORIENTATION; MAGNETOSTRICTION; PROPAGATION; DYNAMICS; TMFEO3;

D O I：

10.1038/s41467-022-33520-5

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In antiferromagnets, the efficient transport of spin-waves has until now only been observed in the insulating antiferromagnet hematite, where circularly (or a superposition of pairs of linearly) polarized spin-waves diffuse over long distances. Here, we report long-distance spin-transport in the antiferromagnetic orthoferrite YFeO3, where a different transport mechanism is enabled by the combined presence of the Dzyaloshinskii-Moriya interaction and externally applied fields. The magnon decay length is shown to exceed hundreds of nanometers, in line with resonance measurements that highlight the low magnetic damping. We observe a strong anisotropy in the magnon decay lengths that we can attribute to the role of the magnon group velocity in the transport of spin-waves in antiferromagnets. This unique mode of transport identified in YFeO3 opens up the possibility of a large and technologically relevant class of materials, i.e., canted antiferromagnets, for long-distance spin transport.

引用

页数：8

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