activity
20152026
most citedNovel magnetic states and nematic spin chirality in the kagome lattice metal YMnSn

235 citations · 966 across the 32 of their papers we have counts for

collaborators

35 papers

cond-mat.mtrl-sci2026

The Origin of the Observed Raman Peaks in α-MnTe

Nurul Azam, Syed Mohammad Shahed, Liam T. Schmidt +21

The Raman spectrum of the room-temperature altermagnet -MnTe is reported to contain unassigned peaks at 120(3) cm and 140(3) cm, absent from the predicted phonon s…

cond-mat.str-el2026

Coherent Magnons Driven by Photomodulated Anisotropy in Altermagnetic MnTe

Dingbin Huang, Jonathon Kruppe, Resham Babu Regmi +3

Manganese telluride () has recently emerged as a prototypical -wave altermagnet, providing an ideal platform to investigate the non-equilibrium excitations of alter…

cond-mat.mtrl-sci2026

Raman spectroscopy of the van der Waals altermagnet CoNbSe

Dushyanthini Balasundaram, Bishal Thapa, Resham Babu Regmi +4

We investigate the influence of Co intercalation and altermagnetic order on the lattice dynamics of the layered compound CoNbSe. Polarization-resolved Raman spectroscop…

cond-mat.mes-hall2026

Orbital Selective Dirac-like States in EuAgAs Revealed by Polarization Dependent ARPES and DFT

Mohit Mudgal, Suman Nandi, Mohamed El Gazzah +5

Magnetic topological semimetals provide a promising platform for emergent quantum phenomena driven by the interplay between magnetism and relativistic fermions, including anomalous…

cond-mat.mtrl-sci2026

Near-degenerate competing magnetic orders in EuAgAs: a tunable route to altermagnetism

Mohamed El Gazzah, Daniel Kaplan, Zachary Morgan +5

Altermagnets (AMs) have recently emerged as a distinct magnetic class bridging central features of ferromagnets (FMs) and antiferromagnets (AFMs), offering new opportunities for sp…

cond-mat.mtrl-sci2026

Strain continuously rotates the Néel vector in altermagnetic MnTe

Alex Liebman-Peláez, Jon Kruppe, Resham Babu Regmi +7

Altermagnetism has recently emerged as a distinct class of collinear antiferromagnets that break time-reversal symmetry, exhibiting a host of novel properties. Applied strain has a…

cond-mat.str-el2026★ 1 cited

Conductivity scaling of the anomalous Hall effect in the altermagnetic semiconductor α-MnTe

Sara Bey, Shelby S. Fields, Nicholas G. Combs +22

α-MnTe is a prototypical altermagnet exhibiting a strong anomalous Hall effect (AHE), despite having a nearly vanishing magnetization. Lately, sample-to-sample variations of the am…

cond-mat.mtrl-sci2025

Crystal Growth and Physical Properties of Orthorhombic Kagome Lattice Magnets FeGe (=Y, Tb, Dy)

Abhijeet Nayak, Sk Jamaluddin, Fan Wu +10

Kagome magnets represent a promising class of materials that exhibit intriguing electronic and magnetic properties, and they have recently garnered significant attention. While mos…

cond-mat.mtrl-sci2025

Domain wall induced topological Hall effect in the chiral-lattice ferromagnet FeTaS

Sk Jamaluddin, Warit Nisaiyok, Yu Zhang +13

Magnetic topology and its associated emergent phenomena are central to realizing intriguing quantum states and spintronics functionalities. Designing spin textures to achieve stron…

cond-mat.mes-hall2025

Observation of Altermagnetic Spin Splitting in an Intercalated Transition Metal Dichalcogenide

Milo Sprague, Mazharul Islam Mondal, Anup Pradhan Sakhya +7

Altermagnetism is a novel magnetic phase combining characteristics of both antiferromagnetism and ferromagnetic ordering. Despite growing theoretical interest in altermagnetic mate…

cond-mat.mes-hall2025★ 5 cited

Topological magneto-optics in the non-coplanar antiferromagnet Co_{1/3}NbS_2: Imaging and writing chiral magnetic domains

E. Kirstein, H. Park, I. Martin +3

Despite its tiny net magnetization, the antiferromagnetic (AFM) van der Waals material CoNbS exhibits a large transverse Hall conductivity even at zero applied…

cond-mat.mtrl-sci2025

Doping-induced Spin Reorientation in Kagome Magnet TmMn6Sn6

Mohamed El Gazzah, Po-Hao Chang, Y. Lee +7

The kagome-lattice compounds RMn6Sn6 (R is a rare earth element), where the Mn atoms form a kagome net in the basal plane, are currently attracting a great deal of attention as the…

cond-mat.mtrl-sci2025

Skyrmion Bubbles by Design in a Centrosymmetric Kagome Magnet

Mohamed El Gazzah, Fehmi Sami Yasin, Sk Jamaluddin +4

Topologically protected nanoscale spin textures, such as magnetic skyrmions, have attracted significant interest for spintronics applications. While skyrmions in noncentrosymmetric…

cond-mat.mes-hall2025★ 1 cited

Electronic structure of a layered altermagnetic compound CoNb4Se8

Anup Pradhan Sakhya, Mazharul Islam Mondal, Milo Sprague +6

Recently, there has been a growing interest in altermagnetism, a novel form of magnetism, characterized by unique spin-splitting even in the absence of both net magnetic moments an…

cond-mat.str-el2025★ 2 cited

Local probe evidence supporting altermagnetism in CoNbSe

J. N. Graham, T. J. Hicken, R. B. Regmi +5

Muon spin rotation (SR), combined with muon stopping site and local field analysis, was used to investigate the magnetic properties of cobalt intercalated 2H-NbSe (Co$_{1/4}…

cond-mat.mtrl-sci2025

Chiral Altermagnon in MnTe

Daniel Jost, Resham B. Regmi, Eder G. Lomeli +12

Altermagnetism has surfaced as a novel magnetic phase, bridging the properties of ferro- and anti-ferromagnetism. The momentum-dependent spin-splitting observed in these materials…

cond-mat.mtrl-sci2024★ 1 cited

Three-dimensional nature of anomalous Hall conductivity in YMn6Sn6-xGax, x ~ 0.55

Hari Bhandari, Zhenhua Ning, Po-Hao Chang +8

The unique connectivity of kagome lattices gives rise to topological properties, such as flat bands and Dirac cones. When combined with ferromagnetism and a chemical potential near…

cond-mat.mtrl-sci2024★ 2 cited

Relativistic and nonrelativistic spin splitting above and below the Fermi level in a -wave altermagnet

Nicholas Dale, Omar A. Ashour, Marc Vila +8

Nonrelativistic spin splitting (NRSS) challenges conventional wisdom about antiferromagnets by allowing spin-split electronic bands even in collinear orders with zero net magnetiza…

cond-mat.str-el2024★ 12 cited

Tunable topological transitions in the frustrated magnet HoAgGe

Hari Bhandari, Po-Hao Chang, Resham Babu Regmi +5

The kagome lattice, known for its strong frustration in two dimensions, hosts a variety of exotic magnetic and electronic states. A variation of this geometry, where the triangular…

cond-mat.str-el2024★ 47 cited

Altermagnetism in the layered intercalated transition metal dichalcogenide CoNbSe

Resham Babu Regmi, Hari Bhandari, Bishal Thapa +13

Altermagnets (AMs) are a new class of magnetic materials that combine the beneficial spintronics properties of ferromagnets and antiferromagnets, garnering significant attention re…

cond-mat.mtrl-sci2024

Uncovering the Timescales of Spin Reorientation in

Sinéad A. Ryan, Anya Grafov, Na Li +8

Kagome ferrimagnets are of fundamental interest because of their tunable magnetic, electronic and topological properties, with potential applications for quantum-enabled technologi…

cond-mat.str-el2023

Magnetism and Fermiology of Kagome Magnet YMn6Sn4Ge2

Hari Bhandari, Rebecca L. Dally, Peter E. Siegfried +6

Kagome lattice magnets are an interesting class of materials as they can host topological properties in their magnetic and electronic structures. YMn6Sn6 is one such compound in wh…

cond-mat.str-el2023★ 22 cited

Orbital character of the spin-reorientation transition in TbMnSn

S. X. M. Riberolles, Tyler J. Slade, R. L. Dally +12

Ferromagnetic (FM) order in a two-dimensional kagome layer is predicted to generate a topological Chern insulator without an applied magnetic field. The Chern gap is largest when s…

cond-mat.str-el2022

CoTe2: A quantum critical Dirac metal with strong spin fluctuations

Peter E. Siegfried, Hari Bhandari, Jeanie Qi +13

Quantum critical points separating weak ferromagnetic and paramagnetic phases trigger many novel phenomena. Dynamical spin fluctuations not only suppress the long-range order, but…