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We theoretically investigate magnon heat transport in an antiferromagnetic (AFM) insulator containing a domain wall (DW) in the presence of a magnetic field applied along the easy axis. We show that the intrinsic spin of the DW couples to…

Mesoscale and Nanoscale Physics · Physics 2024-12-30 Ehsan Faridi , Se Kwon Kim , Giovanni Vignale

Noncollinear antiferromagnets (nc-AFMs) have attracted increasing research attention in spintronics due to their unique spin structures and fascinating charge and spin transport properties. By using first-principles calculations, we…

Materials Science · Physics 2024-05-28 Meng Zhu , Xinlu Li , Fanxing Zheng , Jianting Dong , Ye Zhou , Kun Wu , Jia Zhang

An all-electrical spin resonance effect in a GaAs few-electron double quantum dot is investigated experimentally and theoretically. The magnetic field dependence and absence of associated Rabi oscillations are consistent with a novel…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 E. A. Laird , C. Barthel , E. I. Rashba , C. M. Marcus , M. P. Hanson , A. C. Gossard

Recent advances in tuning electronic, magnetic, and topological properties of two-dimensional (2D) magnets have opened a new frontier in the study of quantum physics and promised exciting possibilities for future quantum technologies. In…

Materials Science · Physics 2020-05-13 Shiqiao Du , Peizhe Tang , Jiaheng Li , Zuzhang Lin , Yong Xu , Wenhui Duan , Angel Rubio

We theoretically examine a cross effect of magnetic field and charge current on antiferromagnetic domain wall dynamics. Since antiferromagnetic materials are largely insensitive to external magnetic fields in general, charge current has…

Mesoscale and Nanoscale Physics · Physics 2017-08-16 Yuta Yamane , Olena Gomonay , Hristo Velkov , Jairo Sinova

The spin-Seebeck effect was recently discovered in a metallic ferromagnet and consists of a thermally generated spin distribution that is electrically measured utilizing the inverse spin Hall effect. Here this effect is reproduced…

Materials Science · Physics 2010-10-27 C. M. Jaworski , J. Yang , S. Mack , D. D. Awschalom , J. P. Heremans , R. C. Myers

Relativistic current induced torques and devices utilizing antiferromagnets have been independently considered as two promising new directions in spintronics research. Here we report electrical measurements of the torques in structures…

Mesoscale and Nanoscale Physics · Physics 2015-11-24 H. Reichlová , D. Kriegner , V. Holý , K. Olejník , V. Novák , M. Yamada , K. Miura , S. Ogawa , H. Takahashi , T. Jungwirth , J. Wunderlich

Antiferromagnetic (AF) spin fluctuations are commonly believed to play a key role in electron pairing of cuprate superconductors. In electron-doped cuprates, it is still in paradox about the interplay among different electronic states in…

Antiferromagnetic (AFM) materials with zero or vanishingly small macroscopic magnetization are nowadays the constituent elements of spintronic devices. However, possibility to use them as active elements that show nontrivial controllable…

Materials Science · Physics 2013-05-30 Helen V. Gomonay , Roman Kunitsyn , Vadim M. Loktev

Recent experiments have shown the possibility of tuning the transport properties of metallic nanosized superconductors through a gate voltage. These results renewed the longstanding debate on the interaction between electrostatic fields and…

A major issue in the development of spintronic memory devices is the reduction of the power consumption for the magnetization reversal. For this purpose, the artificial control of the magnetic anisotropy of ferromagnetic materials is of…

Materials Science · Physics 2017-05-24 Iriya Muneta , Toshiki Kanaki , Shinobu Ohya , Masaaki Tanaka

The spin filtering effect, distinct decaying lengths experienced by oppositely spin-polarized electrons in a magnetic barrier, generally occurs in ferromagnetic (FM) insulators or semiconductors. With the rise of altermagnetic (ALM)…

Materials Science · Physics 2025-01-08 Boyuan Chi , Leina Jiang , Yu Zhu , Guoqiang Yu , Caihua Wan , Xiufeng Han

Antiferromagnetic materials hold potential for use in spintronic devices with fast operation frequencies and field robustness. Despite the rapid progress in proof-of-principle functionality in recent years, there has been a notable lack of…

The magnetic exchange bias between epitaxial thin films of the multiferroic (antiferromagnetic and ferroelectric) hexagonal YMnO3 oxide and a soft ferromagnetic (FM) layer is used to couple the magnetic response of the ferromagnetic layer…

Strongly Correlated Electrons · Physics 2009-11-11 V. Laukhin , V. Skumryev , X. Marti , D. Hrabovsky , F. Sanchez , M. V. Garcia-Cuenca , C. Ferrater , M. Varela , U. Luders , J. F. Bobo , J. Fontcuberta

We predict the giant ferroelectric control of interfacial properties of Ni/HfO2, namely, (i) the magnetocrystalline anisotropy and (ii) the inverse spin and orbital Rashba effects. The reversible control of magnetic properties using…

Materials Science · Physics 2024-12-09 Armando Pezo , Andrés Saul , Aurélien Manchon , Rémi Arras

The spin Hall effect is a phenomenon that an electric field induces a spin Hall current. In this Letter, we examine the inverse effect that, in a ferromagnetic conductor, a charge Hall current is induced by a spin motive force, or a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Junya Shibata , Hiroshi Kohno

Ferrimagnetic Mn$_4$N is a promising material for heat flux sensors based on the anomalous Nernst effect (ANE) because of its sizable uniaxial magnetic anisotropy ($K_{\rm u}$) and low saturation magnetization ($M_{\rm s}$). We…

Materials Science · Physics 2021-05-18 Shinji Isogami , Keisuke Masuda , Yoshio Miura , Rajamanickam Nagalingam , Yuya Sakuraba

We fabricate a vertical spin metal-oxide-semiconductor field-effect transistor (spin-MOSFET) structure, which is composed of an epitaxial single-crystal heterostructure with a ferromagnetic-semiconductor GaMnAs source/drain, and investigate…

Materials Science · Physics 2016-01-20 Toshiki Kanaki , Hirokatsu Asahara , Shinobu Ohya , Masaaki Tanaka

Current induced spin-orbit magnetic fields (iSOFs), arising either in single-crystalline ferromagnets with broken inversion symmetry1,2 or in non-magnetic metal/ferromagnetic metal bilayers3,4, can produce spin-orbit torques which act on a…

Mesoscale and Nanoscale Physics · Physics 2018-04-27 L. Chen , M. Gmitra , M. Vogel , R. Islinger , M. Kronseder , D. Schuh , D. Bougeard , J. Fabian , D. Weiss , C. H. Back

The efficient detection of the magnetism in 2D antiferromagnetic (AFM) insulators is crucial for the advancement of 2D AFM spintronics and remains a challenging problem. In this letter, we introduce the magnon nonlinear Hall current, a…

Mesoscale and Nanoscale Physics · Physics 2025-05-27 Jinyang Ni , Yuanjun Jin , Guoqing Chang