Featured
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All-electrical skyrmionic magnetic tunnel junction
Wafer-scale realization of a nanoscale magnetic tunnel junction hosting a single, ambient skyrmion enables its large readout, efficient switching, and compatibility with lateral manipulation, and thereby provides the backbone for all-electrical skyrmionic device architectures.
- Shaohai Chen
- , James Lourembam
- & Anjan Soumyanarayanan
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Article |
Observation of plaid-like spin splitting in a noncoplanar antiferromagnet
Examining the in-plane spin components of the noncoplanar antiferromagnet manganese ditelluride provides spectroscopic and computational evidence of materials with a new type of plaid-like spin splitting in the antiferromagnetic ground state.
- Yu-Peng Zhu
- , Xiaobing Chen
- & Chang Liu
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Article |
Observation of the orbital Hall effect in a light metal Ti
The orbital Hall effect is observed in the light metal titanium, confirming the orbital Hall effect and indicating that orbital angular momentum is an important degree of freedom in solids.
- Young-Gwan Choi
- , Daegeun Jo
- & Hyun-Woo Lee
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Article
| Open Access
Octupole-driven magnetoresistance in an antiferromagnetic tunnel junction
The authors report observation of tunnelling magnetoresistance in an all-antiferromagnetic tunnel junction consisting of Mn3Sn/MgO/Mn3Sn, laying the foundation for the development of ultrafast and efficient spintronic devices using antiferromagnets.
- Xianzhe Chen
- , Tomoya Higo
- & Satoru Nakatsuji
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Article |
Room-temperature magnetoresistance in an all-antiferromagnetic tunnel junction
A new exchange-bias effect between two different antiferromagnetic layers enables the fabrication of all-antiferromagnetic structures that have a large room-temperature tunnelling magnetoresistance and potential applications for ultrafast memory technologies.
- Peixin Qin
- , Han Yan
- & Zhiqi Liu
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Article |
Giant spin polarization and a pair of antiparallel spins in a chiral superconductor
The simultaneous observation of spin–orbit interaction enhancement and chirality represented by a pair of oppositely polarized spins is reported for an organic chiral superconductor in the vicinity of the superconducting transition temperature.
- R. Nakajima
- , D. Hirobe
- & H. M. Yamamoto
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Article |
Exciton-coupled coherent magnons in a 2D semiconductor
Excitons in the electronvolts range are found to couple strongly to coherent magnons in hundreds of microelectronvolts in an atomically thin two-dimensional antiferromagnetic semiconductor.
- Youn Jue Bae
- , Jue Wang
- & Xiaoyang Zhu
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Article |
Perpendicular full switching of chiral antiferromagnetic order by current
Full, perpendicular and bidirectional spin–orbit torque switching of chiral antiferromagnetic order using an electrical current is experimentally demonstrated with epitaxial heterostructures.
- Tomoya Higo
- , Kouta Kondou
- & Satoru Nakatsuji
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Article |
Chiral molecular intercalation superlattices
By intercalating layered 2D atomic crystals with selected chiral molecules, a new class of chiral molecular intercalation superlattices is reported, demonstrating highly ordered structures and achieving high tunnelling magnetoresistance and spin polarization ratios.
- Qi Qian
- , Huaying Ren
- & Xiangfeng Duan
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Article |
Antiferromagnetic half-skyrmions and bimerons at room temperature
A family of topological antiferromagnetic spin textures is realized at room temperature in α-Fe2O3, and their reversible and field-free stabilization using a Kibble–Zurek-like temperature cycling is demonstrated.
- Hariom Jani
- , Jheng-Cyuan Lin
- & Paolo G. Radaelli
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Article |
Emergent electromagnetic induction in a helical-spin magnet
Microscale magnetic devices containing nanoscale spin helices produce an inductance comparable in magnitude to that of a commercial inductor, in a volume about a million times smaller.
- Tomoyuki Yokouchi
- , Fumitaka Kagawa
- & Yoshinori Tokura
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Article |
Iron-based binary ferromagnets for transverse thermoelectric conversion
Aluminium- and gallium-doped iron compounds show a large anomalous Nernst effect owing to a topological electronic structure, and their films are potentially suitable for designing low-cost, flexible microelectronic thermoelectric generators.
- Akito Sakai
- , Susumu Minami
- & Satoru Nakatsuji
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Article |
Non-volatile electric control of spin–charge conversion in a SrTiO3 Rashba system
The polarization direction of a ferroelectric-like state can be used to control the conversion of spin currents into charge currents at the surface of strontium titanate, a non-magnetic oxide.
- Paul Noël
- , Felix Trier
- & Jean-Philippe Attané
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Article |
Electrical manipulation of a topological antiferromagnetic state
Room-temperature electrical switching of a topological antiferromagnetic state in polycrystalline Mn3Sn thin films is demonstrated using the same protocol as that used for conventional ferromagnetic metals.
- Hanshen Tsai
- , Tomoya Higo
- & Satoru Nakatsuji
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Article |
Current-driven magnetic domain-wall logic
Chiral coupling between neighbouring magnetic domains is used in domain-wall racetracks to realize various all-electric logic operations by cascading the gates.
- Zhaochu Luo
- , Aleš Hrabec
- & Laura J. Heyderman
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Article |
Spin current from sub-terahertz-generated antiferromagnetic magnons
Pure spin currents are simultaneously generated and detected electrically through sub-terahertz magnons in the antiferromagnetic insulator Cr2O3, demonstrating the potential of magnon excitations in antiferromagnets for high-frequency spintronic devices.
- Junxue Li
- , C. Blake Wilson
- & Jing Shi
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Article |
Prediction and observation of an antiferromagnetic topological insulator
An intrinsic antiferromagnetic topological insulator, MnBi2Te4, is theoretically predicted and then realized experimentally, with implications for the study of exotic quantum phenomena.
- M. M. Otrokov
- , I. I. Klimovskikh
- & E. V. Chulkov
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Letter |
Integer factorization using stochastic magnetic tunnel junctions
A probabilistic computer utilizing probabilistic bits, or p-bits, is implemented with stochastic nanomagnetic devices in a neural-network-inspired electrical circuit operating at room temperature and demonstrates integer factorization up to 945.
- William A. Borders
- , Ahmed Z. Pervaiz
- & Supriyo Datta
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Letter |
Ultrafast spin-lasers
Room-temperature modulation frequencies exceeding 200 GHz are demonstrated in birefringent semiconductor spin-lasers by coupling the spin of the charge carriers to the light polarization.
- Markus Lindemann
- , Gaofeng Xu
- & Nils C. Gerhardt
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Letter |
Magnetic and magnetic inverse spin Hall effects in a non-collinear antiferromagnet
A magnetic contribution to the spin Hall effect is observed in the non-collinear antiferromagnet Mn3Sn, which is attributed to momentum-dependent spin splitting produced by non-collinear magnetic order.
- Motoi Kimata
- , Hua Chen
- & Yoshichika Otani
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Letter |
Transformation between meron and skyrmion topological spin textures in a chiral magnet
A magnetically induced two-dimensional square lattice of merons and antimerons is observed in real space, along with its transformation into a hexagonal lattice of skyrmions at room temperature.
- X. Z. Yu
- , W. Koshibae
- & Y. Tokura
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Letter |
Vowel recognition with four coupled spin-torque nano-oscillators
A network of four spin-torque nano-oscillators can be trained in real time to recognize spoken vowels, in a simple and scalable approach that could be exploited for large-scale neural networks.
- Miguel Romera
- , Philippe Talatchian
- & Julie Grollier
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Letter |
Tunable long-distance spin transport in a crystalline antiferromagnetic iron oxide
Tunable spin transport over long distances is demonstrated through the antiferromagnetic insulator haematite, paving the way to the development of spin-logic devices based on antiferromagnetic insulators.
- R. Lebrun
- , A. Ross
- & M. Kläui
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Letter |
Observation of anisotropic magneto-Peltier effect in nickel
A ‘magneto-Peltier effect’ produces cooling or heating in a material without junctions, by forcing a change in angle between the current and magnetization in a single ferromagnetic nickel slab.
- Ken-ichi Uchida
- , Shunsuke Daimon
- & Eiji Saitoh
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Letter |
Lightwave valleytronics in a monolayer of tungsten diselenide
A strong lightwave in a monolayer of tungsten diselenide drives changes in the valley pseudospin, making valley pseudospin an information carrier that is switchable faster than a single light cycle.
- F. Langer
- , C. P. Schmid
- & R. Huber
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Letter |
Maximal Rashba-like spin splitting via kinetic-energy-coupled inversion-symmetry breaking
Asymmetry in surface hopping energies in different atomic layers of delafossite oxides results in some of the largest known Rashba-like spin splittings.
- Veronika Sunko
- , H. Rosner
- & P. D. C. King
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Letter |
Magnetic antiskyrmions above room temperature in tetragonal Heusler materials
Antiskyrmions, in which the magnetization rotates both as a transverse helix and as a cycloid, are found in acentric tetragonal Heusler compounds over a wide range of temperatures.
- Ajaya K. Nayak
- , Vivek Kumar
- & Stuart S. P. Parkin
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Letter |
Neuromorphic computing with nanoscale spintronic oscillators
Spoken-digit recognition using a nanoscale spintronic oscillator that mimics the behaviour of neurons demonstrates the potential of such oscillators for realizing large-scale neural networks in future hardware.
- Jacob Torrejon
- , Mathieu Riou
- & Julie Grollier
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Letter |
Reading and writing single-atom magnets
A two-bit magnetic memory is demonstrated, based on the magnetic states of individual holmium atoms, which are read and written in a scanning tunnelling microscope set-up and are stable over many hours.
- Fabian D. Natterer
- , Kai Yang
- & Christopher P. Lutz
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Review Article |
Emergent phenomena induced by spin–orbit coupling at surfaces and interfaces
The interplay between spin–orbit coupling and two-dimensionality has led to the emergence of new phases of matter, such as spin-polarized surface states in topological insulators, interfacial chiral spin interactions, and magnetic skyrmions in thin films, with great potential for spin-based devices.
- Anjan Soumyanarayanan
- , Nicolas Reyren
- & Christos Panagopoulos
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Letter |
A high-temperature ferromagnetic topological insulating phase by proximity coupling
Coupling a ferromagnetic insulator to a topological insulator induces a robust magnetic state at the interface, resulting from the large spin-orbit interaction and the spin-momentum locking property of Dirac fermions, and leads to an extraordinary enhancement of the magnetic ordering (Curie) temperature.
- Ferhat Katmis
- , Valeria Lauter
- & Jagadeesh S. Moodera
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Letter |
Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature
- Satoru Nakatsuji
- , Naoki Kiyohara
- & Tomoya Higo
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Letter |
Spin-transfer torque generated by a topological insulator
Charge flowing in a thin film of the topological insulator bismuth selenide at room temperature can lead to spin accumulation in the insulator and a resultant strong spin-transfer torque on an adjacent thin film of ferromagnetic nickel–iron alloy, potentially offering a means of controlling the orientation of the alloy’s magnetization.
- A. R. Mellnik
- , J. S. Lee
- & D. C. Ralph
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Letter |
Femtosecond switching of magnetism via strongly correlated spin–charge quantum excitations
Magnetic order in a manganite can be switched during femtosecond photo-excitation via coherent superpositions of quantum states; this is analogous to processes in femtosecond chemistry where photoproducts of chemical and biochemical reactions can be influenced by creating suitable superpositions of molecular states.
- Tianqi Li
- , Aaron Patz
- & Jigang Wang
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Review Article |
Spin–orbit coupling in quantum gases
The current experimental and theoretical status of spin–orbit coupling in ultracold atomic systems is discussed, highlighting unique features that enable otherwise impossible physics.
- Victor Galitski
- & Ian B. Spielman
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Letter |
Magnetic ratchet for three-dimensional spintronic memory and logic
A layered on-chip structure of magnetic thin films is engineered to permit the vertical transfer of magnetic information over near-atomic distances.
- Reinoud Lavrijsen
- , Ji-Hyun Lee
- & Russell P. Cowburn
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Letter |
Interface-engineered templates for molecular spin memory devices
When molecules of a phenalenyl derivative, which has no net spin, are deposited on a ferromagnet, they develop into a magnetic supramolecular layer with spin-filtering properties; this could be the basis for a new approach to building molecular magnetic devices.
- Karthik V. Raman
- , Alexander M. Kamerbeek
- & Jagadeesh S. Moodera
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Letter |
Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet
Neutron scattering measurements on single-crystal samples of the mineral herbertsmithite, which is a spin-1/2 kagome-lattice antiferromagnet, provide evidence of fractionalized spin excitations at low temperatures, indicating that the ground state of herbertsmithite may be a quantum spin liquid.
- Tian-Heng Han
- , Joel S. Helton
- & Young S. Lee
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Letter |
A single-atom electron spin qubit in silicon
The coherent manipulation of an individual electron spin qubit bound to a single phosphorus donor atom in natural silicon provides an excellent platform on which to build a scalable quantum computer.
- Jarryd J. Pla
- , Kuan Y. Tan
- & Andrea Morello
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Letter |
Electronic read-out of a single nuclear spin using a molecular spin transistor
The long-lived nuclear spin state of an individual metal atom embedded in a single-molecule magnet is shown to be readable electronically.
- Romain Vincent
- , Svetlana Klyatskaya
- & Franck Balestro
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Letter |
Giant spin Seebeck effect in a non-magnetic material
A giant spin Seebeck effect—three orders of magnitude greater than previously detected—has been observed in a non-magnetic material, InSb; the proposed mechanism relies only on phonon drag and spin–orbit interactions in a spin-polarized system, not on magnetic exchange.
- C. M. Jaworski
- , R. C. Myers
- & J. P. Heremans
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Letter |
Engineered two-dimensional Ising interactions in a trapped-ion quantum simulator with hundreds of spins
A trapped-ion quantum simulator is used to demonstrate tunable long-range spin-spin couplings in two dimensions, relevant to studies of quantum magnetism at a scale that is intractable for classical computers.
- Joseph W. Britton
- , Brian C. Sawyer
- & John J. Bollinger
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Letter |
Spin–orbital separation in the quasi-one-dimensional Mott insulator Sr2CuO3
The splitting of the electron into distinct quasi-particles separately carrying the elementary particles’ spin and orbital angular momentum is observed in a one-dimensional Mott insulator.
- J. Schlappa
- , K. Wohlfeld
- & T. Schmitt
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Letter |
Room temperature coherent control of defect spin qubits in silicon carbide
- William F. Koehl
- , Bob B. Buckley
- & David D. Awschalom
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Letter |
Laser cooling and real-time measurement of the nuclear spin environment of a solid-state qubit
- E. Togan
- , Y. Chu
- & M. D. Lukin
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Research Highlights |
Switching up spin
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Letter |
Thermal spin current from a ferromagnet to silicon by Seebeck spin tunnelling
- Jean-Christophe Le Breton
- , Sandeep Sharma
- & Ron Jansen
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News |
Graphene turns spin doctor
Single-atom carbon sheets could be ideal for spintronics.
- Edwin Cartlidge
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News & Views |
A route to quantum magnetism
The trend towards using ultracold atoms as simulators of condensed-matter and many-body phenomena is gaining momentum. These systems can now be used to simulate quantum magnetism. See Article p.307
- Ian B. Spielman
Controlling the helicity of light by electrical magnetization switching