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Room-temperature ferroelectric p-wave magnet
Kaiwen Shen, Nicoly Hembeck, Warlley H. Campos +16
P -wave magnets exhibit odd-parity spin polarization in momentum space while retaining zero net magnetization, offering a promising route toward nonrelativistic spintronics. Previo…
Time-reversal-odd Transport in Odd-Parity Magnets
Ling Bai, Si Li, Libor Šmejkal +2
Unconventional magnets combining vanishing net magnetization with spin-split electronic structures and anomalous transport have attracted considerable attention. Using spin-group s…
Nanoscale imaging of spin textures with locally varying altermagnetic response in -FeO
R. Yamamoto, S. Mayr, A. Hariki +20
Altermagnetism is a recently identified magnetic state in which time-reversal symmetry is broken despite a collinear compensated spin structure. The response of altermagnets is det…
Altermagnetic spintronics
T. Jungwirth, J. Sinova, P. Wadley +5
The research landscape of magnetism has been recently enriched by the discovery of altermagnetism. It is an unconventional phase of matter characterized by a d-wave (or higher even…
Symmetry, microscopy and spectroscopy signatures of altermagnetism
Tomas Jungwirth, Jairo Sinova, Rafael M. Fernandes +5
Altermagnetism is a collinear compensated magnetically-ordered phase with a d, g or i-wave anisotropy and alternating spin polarization of the electronic structure in the position…
Optical signatures of bulk g-wave altermagnetism in MnTe
Luca Haag, Marius Weber, Kai Leckron +3
For planar d-wave altermagnets, it has been shown that a spin polarization can be induced in a controlled fashion by ultrashort-pulse excitation, even though the material is magnet…
Ultrafast electron dynamics in altermagnetic materials
Marius Weber, Kai Leckron, Luca Haag +4
Altermagnets constitute a new class of magnetic materials that combine properties previously thought to be exclusive to either antiferromagnets or ferromagnets, and have unique pro…
Altermagnetism: an unconventional spin-ordered phase of matter
T. Jungwirth, R. M. Fernandes, E. Fradkin +3
The Pauli exclusion principle combined with interactions between fermions is a basic mechanism across condensed-matter systems giving rise to a spontaneous breaking of the spin-spa…
Altermagnets and beyond: Nodal magnetically-ordered phases
Tomas Jungwirth, Rafael M. Fernandes, Jairo Sinova +1
The recent discovery of altermagnets has opened new perspectives in the field of ordered phases in condensed matter. In strongly-correlated superfluids, the nodal p-wave and d-wave…
Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics
Ling Bai, Wanxiang Feng, Siyuan Liu +3
Recent developments have introduced a groundbreaking form of collinear magnetism known as "altermagnetism". This emerging magnetic phase is characterized by robust time-reversal sy…
Anomalous Nernst effect in the noncollinear antiferromagnet MnSi
Christoph Sürgers, Gerda Fischer, Warlley H. Campos +6
Investigating the off-diagonal components of the conductivity and thermoelectric tensor of materials hosting complex antiferromagnetic structures has become a viable method to reve…
Observation of the anomalous Nernst effect in altermagnetic candidate Mn5Si3
Antonin Badura, Warlley H. Campos, Venkata K. Bharadwaj +20
The anomalous Nernst effect generates transverse voltage to the applied thermal gradient in magnetically ordered systems. The effect was previously considered excluded in compensat…
Strain induced phase transition from antiferromagnet to altermagnet
Atasi Chakraborty, Rafael González Hernández, Libor šmejkal +1
The newly discovered altermagnets are unconventional collinear compensated magnetic systems, exhibiting even (d, g, or i-wave) spin-polarization order in the band structure, settin…
Temperature Dependence of Relativistic Valence Band Splitting Induced by an Altermagnetic Phase Transition
M. Hajlaoui, S. W. D'Souza, L. Šmejkal +13
Altermagnetic (AM) materials exhibit non-relativistic, momentum-dependent spin-split states, ushering in new opportunities for spin electronic devices. While the characteristics of…
A tool to check whether a symmetry-compensated collinear magnetic material is antiferro- or altermagnetic
Andriy Smolyanyuk, Libor Šmejkal, Igor I. Mazin
Altermagnets (AM) is a recently discovered class of collinear magnets that share some properties (anomalous transport, etc) with ferromagnets, some (zero net magnetization) with an…
Direct observation of altermagnetic band splitting in CrSb thin films
Sonka Reimers, Lukas Odenbreit, Libor Smejkal +14
Altermagnetism represents an emergent collinear magnetic phase with compensated order and an unconventional alternating even-parity wave spin order in the non-relativistic band str…
Revealing the Altermagnetism in Hematite via XMCD Imaging and Anomalous Hall Electrical Transport
Edgar Galindez-Ruales, Rafael Gonzalez-Hernandez, Christin Schmitt +16
Altermagnets are a class of magnetic materials that exhibit unconventional transport properties, such as an anomalous Hall effect, despite having compensated sublattice magnetic mo…
Broken Kramers' degeneracy in altermagnetic MnTe
Suyoung Lee, Sangjae Lee, Saegyeol Jung +9
Altermagnetism is a newly identified fundamental class of magnetism with vanishing net magnetization and time-reversal symmetry broken electronic structure. Probing the unusual ele…
Supercell Altermagnets
Rodrigo Jaeschke-Ubiergo, Venkata Krishna Bharadwaj, Tomas Jungwirth +2
Altermagnets are compensated magnets with unconventional , , and -wave spin order in reciprocal space. So far the search for new altermagnetic candidates has been focused…
Phase transitions associated with magnetic-field induced topological orbital momenta in a non-collinear antiferromagnet
Sihao Deng, Olena Gomonay, Jie Chen +12
Resistivity measurements are widely exploited to uncover electronic excitations and phase transitions in metallic solids. While single crystals are preferably studied to explore cr…
X-ray Magnetic Circular Dichroism in Altermagnetic -MnTe
A. Hariki, A. Dal Din, O. J. Amin +14
Altermagnetism is a recently identified magnetic symmetry class combining characteristics of conventional collinear ferromagnets and antiferromagnets, that were regarded as mutuall…
Crystal Thermal Transport in Altermagnetic RuO2
Xiaodong Zhou, Wanxiang Feng, Run-Wu Zhang +4
We demonstrate the emergence of a pronounced thermal transport in the recently discovered class of magnetic materials-altermagnets. From symmetry arguments and first-principles cal…
Experimental electronic structure of the electrically switchable antiferromagnet CuMnAs
A. Garrison Linn, Peipei Hao, Kyle N. Gordon +14
Tetragonal CuMnAs is a room temperature antiferromagnet with an electrically reorientable Néel vector and a Dirac semimetal candidate. Direct measurements of the electronic structu…
Spontaneous anomalous Hall effect arising from an unconventional compensated magnetic phase in a semiconductor
R. D. Gonzalez Betancourt, J. Zubáč, R. J. Gonzalez-Hernandez +12
The anomalous Hall effect, commonly observed in metallic magnets, has been established to originate from the time-reversal symmetry breaking by an internal macroscopic magnetizatio…