Square skyrmion crystal in centrosymmetric itinerant magnets

S Hayami, Y Motome - Physical Review B, 2021 - APS
We theoretically investigate the origin of the square-type skyrmion crystal in centrosymmetric
itinerant magnets, motivated by the recent experimental findings in GdRu 2 Si 2 [ND Khanh …

Hidden structures: a driving factor to achieve low thermal conductivity and high thermoelectric performance

D Sarkar, A Bhui, I Maria, M Dutta… - Chemical Society Reviews, 2024 - pubs.rsc.org
The long-range periodic atomic arrangement or the lack thereof in solids typically dictates
the magnitude and temperature dependence of their lattice thermal conductivity (κlat) …

Giant anomalous Nernst effect in the Heusler alloy induced by Fermi level tuning and atomic ordering

Y Sakuraba, K Hyodo, A Sakuma, S Mitani - Physical Review B, 2020 - APS
C o 2 MnAl has been predicted to have Weyl points near the Fermi level in L 2 1-ordered
structure, which is expected to give rise to exotic transverse transport properties such as …

Topological Nernst effect of the two-dimensional skyrmion lattice

M Hirschberger, L Spitz, T Nomoto, T Kurumaji… - Physical Review Letters, 2020 - APS
The topological Hall effect (THE) and its thermoelectric counterpart, the topological Nernst
effect (TNE), are hallmarks of the skyrmion lattice phase (SkL). We observed the giant TNE …

Rectangular and square skyrmion crystals on a centrosymmetric square lattice with easy-axis anisotropy

S Hayami - Physical Review B, 2022 - APS
We report our theoretical results on the emergence of a rectangular-and square-shaped
magnetic skyrmion crystals on a centrosymmetric square lattice with magnetic anisotropy. By …

Strongly correlated oxides for energy harvesting

J Matsuno, J Fujioka, T Okuda, K Ueno… - … and technology of …, 2018 - Taylor & Francis
We review recent advances in strongly correlated oxides as thermoelectric materials in
pursuit of energy harvesting. We discuss two topics: one is the enhancement of the ordinary …

Low-energy excitations of skyrmion crystals in a centrosymmetric Kondo-lattice magnet: Decoupled spin-charge excitations and nonreciprocity

R Eto, R Pohle, M Mochizuki - Physical Review Letters, 2022 - APS
We theoretically study spin and charge excitations of skyrmion crystals stabilized by
conduction-electron-mediated magnetic interactions via spin-charge coupling in a …

Phase degree of freedom and topology in multiple- spin textures

K Shimizu, S Okumura, Y Kato, Y Motome - Physical Review B, 2022 - APS
A periodic array of topological spin textures, such as skyrmions and hedgehogs, is called the
multiple-Q spin texture, as it is represented by a superposition of multiple spin density …

Orientation-dependent transport properties of Cu3Sn

M Daeumer, ED Sandoval, A Azizi, MH Bagheri, IT Bae… - Acta Materialia, 2022 - Elsevier
Cu 3 Sn, a well-known intermetallic compound with a high melting temperature and thermal
stability, has found numerous applications in microelectronics, 3D printing, and catalysis …

[HTML][HTML] Combinatorial tuning of electronic structure and thermoelectric properties in Co2MnAl1− xSix Weyl semimetals

R Modak, K Goto, S Ueda, Y Miura, K Uchida… - APL Materials, 2021 - pubs.aip.org
Tuning of the Fermi level (EF) near Weyl points is one of the promising approaches to
realize the large anomalous Nernst effect (ANE). In this work, we introduce an efficient …