All Outputs (52)

X-Ray Magnetic Circular Dichroism in Altermagnetic α-MnTe (2024)
Journal Article

Altermagnetism is a recently identified magnetic symmetry class combining characteristics of conventional collinear ferromagnets and antiferromagnets, that were regarded as mutually exclusive, and enabling phenomena and functionalities unparalleled i... Read More about X-Ray Magnetic Circular Dichroism in Altermagnetic α-MnTe.

Altermagnetic lifting of Kramers spin degeneracy (2024)
Journal Article

Lifted Kramers spin degeneracy (LKSD) has been among the central topics of condensed-matter physics since the dawn of the band theory of solids1,2. It underpins established practical applications as well as current frontier research, ranging from mag... Read More about Altermagnetic lifting of Kramers spin degeneracy.

Observation of time-reversal symmetry breaking in the band structure of altermagnetic RuO 2 (2024)
Journal Article

Altermagnets are an emerging elementary class of collinear magnets. Unlike ferromagnets, their distinct crystal symmetries inhibit magnetization while, unlike antiferromagnets, they promote strong spin polarization in the band structure. The correspo... Read More about Observation of time-reversal symmetry breaking in the band structure of altermagnetic RuO 2.

Saturation of the anomalous Hall effect at high magnetic fields in altermagnetic RuO2 (2023)
Journal Article

Observations of the anomalous Hall effect in RuO2 and MnTe have demonstrated unconventional time-reversal symmetry breaking in the electronic structure of a recently identified new class of compensated collinear magnets, dubbed altermagnets. While in... Read More about Saturation of the anomalous Hall effect at high magnetic fields in altermagnetic RuO2.

Antiferromagnetic half-skyrmions electrically generated and controlled at room temperature (2023)
Journal Article

Topologically protected magnetic textures are promising candidates for information carriers in future memory devices, as they can be efficiently propelled at very high velocities using current-induced spin torques. These textures—nanoscale whirls in... Read More about Antiferromagnetic half-skyrmions electrically generated and controlled at room temperature.

Experimental electronic structure of the electrically switchable antiferromagnet CuMnAs (2023)
Journal Article

Tetragonal CuMnAs is a room temperature antiferromagnet with an electrically reorientable Néel vector and a Dirac semimetal candidate. Direct measurements of the electronic structure of single-crystalline thin films of tetragonal CuMnAs using angle-r... Read More about Experimental electronic structure of the electrically switchable antiferromagnet CuMnAs.

Spontaneous Anomalous Hall Effect Arising from an Unconventional Compensated Magnetic Phase in a Semiconductor (2023)
Journal Article

The anomalous Hall effect, commonly observed in metallic magnets, has been established to originate from the time-reversal symmetry breaking by an internal macroscopic magnetization in ferromagnets or by a noncollinear magnetic order. Here we observe... Read More about Spontaneous Anomalous Hall Effect Arising from an Unconventional Compensated Magnetic Phase in a Semiconductor.

Publisher Correction: An anomalous Hall effect in altermagnetic ruthenium dioxide (2022)
Journal Article

In the version of this article initially published, square brackets and parentheses were incorrect in Fig. 1g and throughout Fig. 2 (excepting lower labels in Fig. 2d–f). Further, in the second paragraph of the “Consistency with theoretical predictio... Read More about Publisher Correction: An anomalous Hall effect in altermagnetic ruthenium dioxide.

An anomalous Hall effect in altermagnetic ruthenium dioxide (2022)
Journal Article

The anomalous Hall effect is a time-reversal symmetry-breaking magneto-electronic phenomenon originally discovered in ferromagnets. Recently, ruthenium dioxide (RuO2) with a compensated antiparallel magnetic order has been predicted to generate an an... Read More about An anomalous Hall effect in altermagnetic ruthenium dioxide.

Emerging Research Landscape of Altermagnetism (2022)
Journal Article

Magnetism is one of the largest, most fundamental, and technologically most relevant fields of condensed-matter physics. Traditionally, two basic magnetic phases have been distinguished ferromagnetism and antiferromagnetism. The spin polarization in... Read More about Emerging Research Landscape of Altermagnetism.

Beyond Conventional Ferromagnetism and Antiferromagnetism: A Phase with Nonrelativistic Spin and Crystal Rotation Symmetry (2022)
Journal Article

Recent series of theoretical and experimental reports have driven attention to time-reversal symmetry-breaking spintronic and spin-splitting phenomena in materials with collinear-compensated magnetic order incompatible with conventional ferromagnetis... Read More about Beyond Conventional Ferromagnetism and Antiferromagnetism: A Phase with Nonrelativistic Spin and Crystal Rotation Symmetry.

Atomically sharp domain walls in an antiferromagnet (2022)
Journal Article

The interest in understanding scaling limits of magnetic textures such as domain walls spans the entire field of magnetism from its physical fundamentals to applications in information technologies. Here, we explore antiferromagnetic CuMnAs in which... Read More about Atomically sharp domain walls in an antiferromagnet.

Anomalous Hall antiferromagnets (2022)
Journal Article

The Hall effect, in which a current flows perpendicular to an electrical bias, has been prominent in the history of condensed matter physics. Appearing variously in classical, relativistic and quantum guises, the Hall effect has — among other roles —... Read More about Anomalous Hall antiferromagnets.

Giant and Tunneling Magnetoresistance in Unconventional Collinear Antiferromagnets with Nonrelativistic Spin-Momentum Coupling (2022)
Journal Article

Giant and tunneling magnetoresistance are physical phenomena used for reading information in commercial spintronic devices. The effects rely on a conserved spin current passing between a reference and a sensing ferromagnetic electrode in a multilayer... Read More about Giant and Tunneling Magnetoresistance in Unconventional Collinear Antiferromagnets with Nonrelativistic Spin-Momentum Coupling.

Defect-driven antiferromagnetic domain walls in CuMnAs films (2022)
Journal Article

Efficient manipulation of antiferromagnetic (AF) domains and domain walls has opened up new avenues of research towards ultrafast, high-density spintronic devices. AF domain structures are known to be sensitive to magnetoelastic effects, but the micr... Read More about Defect-driven antiferromagnetic domain walls in CuMnAs films.

Optically Gated Terahertz-Field-Driven Switching of Antiferromagnetic CuMnAs (2021)
Journal Article

We show scalable and complete suppression of the recently reported terahertz-pulse-induced switching between different resistance states of antiferromagnetic CuMnAs thin films by ultrafast gating. The gating functionality is achieved by an optically... Read More about Optically Gated Terahertz-Field-Driven Switching of Antiferromagnetic CuMnAs.

Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect (2021)
Journal Article

Spin Hall effect (SHE) has its special position in spintronics. To gain new insight into SHE and to identify materials with substantial spin Hall conductivity (SHC), we performed high-precision high-throughput ab initio calculations of the intrinsic... Read More about Different types of spin currents in the comprehensive materials database of nonmagnetic spin Hall effect.

Unidirectional magnetoresistance and spin-orbit torque in NiMnSb (2021)
Journal Article

Spin-dependent transport phenomena due to relativistic spin-orbit coupling and broken space-inversion symmetry are often difficult to interpret microscopically, in particular when occurring at surfaces or interfaces. Here we present a theoretical and... Read More about Unidirectional magnetoresistance and spin-orbit torque in NiMnSb.

Efficient Electrical Spin Splitter Based on Nonrelativistic Collinear Antiferromagnetism (2021)
Journal Article

Frequency‐Independent Terahertz Anomalous Hall Effect in DyCo 5, Co 32Fe68, and Gd 27Fe73 Thin Films from DC to 40 THz (2021)
Journal Article

The anomalous Hall effect (AHE) is a fundamental spintronic charge-to-charge-current conversion phenomenon and closely related to spin-to-charge-current conversion by the spin Hall effect. Future high-speed spintronic devices will crucially rely on s... Read More about Frequency‐Independent Terahertz Anomalous Hall Effect in DyCo 5, Co 32Fe68, and Gd 27Fe73 Thin Films from DC to 40 THz.