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Electron-magnon coupling at the interface between a normal metal and a magnetically ordered insulator modifies the electrical conductivity of the normal metal, an effect known as spin-Hall magnetoresistance. It can also facilitate…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Oliver Franke , Duje Akrap , Piet W. Brouwer

Angular momentum transport is one of the cornerstones of spintronics. Spin angular momentum is not only transported by mobile charge carriers, but also by the quantized excitations of the magnetic lattice in magnetically ordered systems. In…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 Matthias Althammer

Chiral molecular systems offer unique pathways to control spin and magnetism beyond conventional symmetry operations. Here, we demonstrate that chiral ionic liquids enable electric-field modulation of two-dimensional (2D) ferromagnetism in…

Mesoscale and Nanoscale Physics · Physics 2026-04-10 Hideki Matsuoka , Amaki Moriyama , Tomohiro Hori , Yoshinori Tokura , Yoshihiro Iwasa , Shu Seki , Masayuki Suda , Naoya Kanazawa

We describe a spin logic device with controllable magnetization switching of perpendicularly magnetized ferromagnet / heavy metal structures on a ferroelectric (1-x)[Pb(Mg1/3Nb2/3)O3]-x[PbTiO3] (PMN-PT) substrate using current-induced…

We investigate charge transport in two-dimensional ferromagnet/feromagnet junction on a topological insulator. The conductance across the interface depends sensitively on the directions of the magnetizations of the two ferromagnets, showing…

Mesoscale and Nanoscale Physics · Physics 2010-03-03 Takehito Yokoyama , Yukio Tanaka , Naoto Nagaosa

Spintronics offers promising routes for efficient memory, logic, and computing technologies. The central challenge in spintronics is electrically manipulating and detecting magnetic states in devices. The electrical control of magnetization…

Mesoscale and Nanoscale Physics · Physics 2024-09-09 Silvia Damerio , Achintya Sunil , M. Mehraeen , Steven S. -L. Zhang , Can O. Avci

Electronically phase separated manganite wires are found to exhibit controllable metal-insulator transitions under local electric fields. The switching characteristics are shown to be fully reversible, polarity independent, and highly…

Mesoscale and Nanoscale Physics · Physics 2013-08-29 Hangwen Guo , Joo H. Noh , Shuai Dong , Philip D. Rack , Zheng Gai , Xiaoshan Xu , Elbio Dagotto , Jian Shen , T. Zac Ward

Electrically-conducting diamond is a promising candidate for next-generation electronic, thermal and electrochemical applications. One of the major obstacles towards its exploitation is the strong degradation that some of its key physical…

Mesoscale and Nanoscale Physics · Physics 2019-11-28 Erik Piatti , Davide Romanin , Dario Daghero , Renato S. Gonnelli

We report thermal control of mode hybridization between the ferromagnetic resonance (FMR) and a planar resonator (notch filter) working at 4.74 GHz. The chosen magnetic material is a ferrimagnetic insulator (Yttrium Iron Garnet: YIG)…

The research into insulating ferrimagnetic garnets has gained enormous momentum in the past decade. This is partly due to the improvement in the techniques to grow high-quality ultrathin films with desirable properties and the advances in…

Materials Science · Physics 2021-05-26 Can Onur Avci

Interfacing a ferromagnet with a polarized ferroelectric gate generates a non-uniform, interfacial spin density coupled to the ferroelectric polarization allowing so for an electric field control of effective transversal field to…

Strongly Correlated Electrons · Physics 2017-09-06 Yaojin Li , Min Chen , Jamal Berakdar , Chenglong Jia

All-electrical and programmable manipulations of ferromagnetic bits are highly pursued for the aim of high integration and low energy consumption in modern information technology. Methods based on the spin-orbit torque switching in heavy…

Tunneling surface current through a thin ferromagnetic barrier in a three-dimensional topological insulator is shown to possess an extraordinary response to the orientation of barrier magnetization. In contrast to conventional…

Strongly Correlated Electrons · Physics 2015-05-27 B. D. Kong , Y. G. Semenov , C. Krowne , K. W. Kim

Metal-insulator transition (MIT) is one of the most conspicuous phenomena in correlated electron systems. However such transition has rarely been induced by an external magnetic field as the field scale is normally too small compared with…

Strongly Correlated Electrons · Physics 2020-12-02 Guangqiang Wang , Guoqing Chang , Huibin Zhou , Wenlong Ma , Hsin Lin , M. Zahid Hasan , Su-Yang Xu , Shuang Jia

Anomalous Hall-like signals in platinum in contact with magnetic insulators are common observations that could be explained by either proximity magnetization or spin Hall magnetoresistance. In this work, longitudinal and transverse…

Mesoscale and Nanoscale Physics · Physics 2019-09-18 Tobias Kosub , Saül Vélez , Juan M. Gomez-Perez , Luis E. Hueso , Jürgen Faßbender , Fèlix Casanova , Denys Makarov

When a ferromagnet is deposited on the surface of a topological insulator the topologically protected surface state develops a gap and becomes a 2-dimensional quantum Hall liquid. We demonstrate that the Hall current in such a liquid,…

Materials Science · Physics 2015-05-14 Ion Garate , M. Franz

Two-dimensional arrays of magnetically coupled nanomagnets provide a mesoscopic platform for exploring collective phenomena as well as realizing a broad range of spintronic devices. In particular, the magnetic coupling plays a critical role…

Antiferromagnets (AFs) attract much attention due to potential applications in spintronics. Both the electric current and the electric field are considered as tools suitable to control properties and the N\'eel vector direction of AFs.…

All-solid-state nanoscale devices capable of efficiently controlling a heat flow are crucial for advanced thermal management technologies. Here we predict a magnon-driven magnetothermal resistance (mMTR) effect in multilayers of…

Mesoscale and Nanoscale Physics · Physics 2025-07-03 Ping Tang , Ken-ichi Uchida , Gerrit E. W. Bauer

The potential of graphene-based materials consisting of one or a few layers of graphite for integrated electronics originates from the large room-temperature carrier mobility in these systems (approx. 10,000 cm2/Vs). However, the…

Mesoscale and Nanoscale Physics · Physics 2007-12-04 Jeroen B. Oostinga , Hubert B. Heersche , Xinglan Liu , Alberto F. Morpurgo , Lieven M. K. Vandersypen