Large Room Temperature Anomalous Transverse Thermoelectric Effect in Kagome Antiferromagnet YMn6Sn6

S Roychowdhury, AM Ochs, SN Guin… - Advanced …, 2022 - Wiley Online Library
Kagome magnets possess several novel nontrivial topological features owing to the strong
correlation between topology and magnetism that extends to their applications in the field of …

Anomalous Hall Conductivity and Nernst Effect of the Ideal Weyl Semimetallic Ferromagnet EuCd2As2

S Roychowdhury, M Yao, K Samanta, S Bae… - Advanced …, 2023 - Wiley Online Library
Weyl semimetal is a unique topological phase with topologically protected band crossings in
the bulk and robust surface states called Fermi arcs. Weyl nodes always appear in pairs with …

[HTML][HTML] Ferromagnetic-antiferromagnetic coexisting ground state and exchange bias effects in MnBi4Te7 and MnBi6Te10

X Xu, S Yang, H Wang, R Guzman, Y Gao… - Nature …, 2022 - nature.com
Abstract Natural superlattice structures MnBi2Te4 (Bi2Te3) n (n= 1, 2,...), in which magnetic
MnBi2Te4 layers are separated by nonmagnetic Bi2Te3 layers, hold band topology …

Enhancement of the anomalous Hall effect by distorting the Kagome lattice in an antiferromagnetic material

S Roychowdhury, K Samanta, S Singh… - Proceedings of the …, 2024 - pnas.org
In topological magnetic materials, the topology of the electronic wave function is strongly
coupled to the structure of the magnetic order. In general, ferromagnetic Weyl semimetals …

Interplay between magnetism and topology: large topological Hall effect in an antiferromagnetic topological insulator, EuCuAs

S Roychowdhury, K Samanta, P Yanda… - Journal of the …, 2023 - ACS Publications
Magnetic interactions in combination with nontrivial band structures can give rise to several
exotic physical properties such as a large anomalous Hall effect, the anomalous Nernst …

Crystal structure and Raman-active lattice vibrations of magnetic topological insulators (, 1,...,6)

IR Amiraslanov, ZS Aliev, PA Askerova, EH Alizade… - Physical Review B, 2022 - APS
Further to the structure of the intrinsic magnetic topological insulators Mn Bi 2 Te 4· n (Bi 2
Te 3) with n< 4, where index n is the number of quintuple Te-Bi-Te-Bi-Te building blocks …

Giant Room‐Temperature Topological Hall Effect in a Square‐Net Ferromagnet LaMn2Ge2

S Roychowdhury, P Yanda, K Samanta, C Yi… - Advanced …, 2024 - Wiley Online Library
A topological magnetic material showcases a multitude of intriguing properties resulting from
the compelling interplay between topology and magnetism. These include notable …

[HTML][HTML] INAUGURAL ARTICLE by a Recently Elected Academy Member: Enhancement of the anomalous Hall effect by distorting the Kagome lattice in an …

S Roychowdhury, K Samanta, S Singh… - Proceedings of the …, 2024 - ncbi.nlm.nih.gov
In topological magnetic materials, the topology of the electronic wave function is strongly
coupled to the structure of the magnetic order. In general, ferromagnetic Weyl semimetals …

Writing and Detecting Topological Charges in Exfoliated Fe5–xGeTe2

A Moon, Y Li, C McKeever, BW Casas, M Bravo… - ACS …, 2024 - ACS Publications
Fe5–x GeTe2 is a promising two-dimensional (2D) van der Waals (vdW) magnet for practical
applications, given its magnetic properties. These include Curie temperatures above room …

Possible Topological Hall Effect in a Spin Gapless Semiconducting Mn2CoAl Heusler Compound

N Shahi, S Rastogi, S Singh - physica status solidi (RRL) …, 2024 - Wiley Online Library
Topological Hall effect (THE), induced by the interaction of charge carriers with mesoscopic
or microscopic noncoplanar spin structures, holds promising applications in the field of …