activity
20162024
most citedZero-field Nernst effect in a ferromagnetic kagome-lattice Weyl-semimetal Co3Sn2S2

338 citations · 1.2k across the 15 of their papers we have counts for

collaborators

15 papers

physics.app-ph2024★ 1 cited

Performance Evaluation and Optimization of Air-to-Air Thermoelectric Heat Pump System

Je-Hyeong Bahk, Thiraj D. Mohankumar, Abhishek Saini +1

Thermoelectric (TE) heat pumps are a promising solid-state technology for space cooling and heating owing to their unique advantages such as environmental friendliness with no harm…

cond-mat.mtrl-sci2022

Doping as a tuning mechanism for magneto-thermoelectric effects to improve zT in polycrystalline NbP

Eleanor F. Scott, Katherine A. Schlaak, Poulomi Chakraborty +7

Weyl semimetals combine topological and semimetallic effects, making them candidates for interesting and effective thermoelectric transport properties. Here, we present experimenta…

cond-mat.mtrl-sci2021★ 5 cited

Giant anomalous Nernst signal in the antiferromagnet YbMnBi2

Yu Pan, Congcong Le, Bin He +6

Searching for a high anomalous Nernst effect (ANE) is crucial for thermoelectric energy conversion applications because the associated unique transverse geometry facilitates module…

physics.app-ph2020

Cost-Performance Trade-off in Thermoelectric Air Conditioning System with Graded and Constant Material Properties

Abhishek Saini, Sarah J. Watzman, Je-Hyeong Bahk

Thermoelectric (TE) air cooling is a solid-state technology that has the potential to replace conventional vapor compression-based air conditioning. In this paper, we present a det…

cond-mat.mtrl-sci2020★ 87 cited

Large Nernst Power Factor over a Broad Temperature Range in Polycrystalline Weyl Semimetal NbP

Chenguang Fu, Satya N. Guin, Sarah J. Watzman +10

The discovery of topological materials has provided new opportunities to exploit advanced materials for heat-to-electricity energy conversion as they share many common characterist…

cond-mat.mtrl-sci2020★ 338 cited

Zero-field Nernst effect in a ferromagnetic kagome-lattice Weyl-semimetal Co3Sn2S2

Satya N. Guin, Praveen Vir, Yang Zhang +10

The discovery of magnetic topological semimetals recently attracted significant attention in the field of topology and thermoelectrics. In a thermoelectric device based on the Nern…

cond-mat.mes-hall2018★ 27 cited

Spincaloritronic measurements: a round robin comparison of the longitudinal spin Seebeck effect

A. Sola, V. Basso, M. Kuepferling +16

The rising field of spin caloritronics focuses on the interactions between spin and heat currents in a magnetic material; the observation of the spin Seebeck effect opened the rout…

cond-mat.mtrl-sci2018★ 333 cited

Anomalous Nernst effect beyond the magnetization scaling relation in the ferromagnetic Heusler compound CoMnGa

Satya N. Guin, Kaustuv Manna, Jonathan Noky +8

Applying a temperature gradient in a magnetic material generates a voltage that is perpendicular to both the heat flow and the magnetization. This is the anomalous Nernst effect (A…

cond-mat.mtrl-sci2018

Effect of magnons on interfacial phonon drag in YIG/metal systems

Arati Prakash, Jack Brangham, Sarah J. Watzman +2

We examine substrate-to-film interfacial phonon drag on typical spin Seebeck heterostructures, in particular studying the effect of ferromagnetic magnons on the phonon-electron dra…

cond-mat.mtrl-sci2018★ 17 cited

Thermoelectric signatures of the electron-phonon fluid in PtSn4

Chenguang Fu, Thomas Scaffidi, Jonah Waissman +13

In most materials, transport can be described by the motion of distinct species of quasiparticles, such as electrons and phonons. Strong interactions between quasiparticles, howeve…

cond-mat.mtrl-sci2017★ 38 cited

Thermopower and thermal conductivity in the Weyl semimetal NbP

U. Stockert, R. D. dos Reis, M. O. Ajeesh +7

The Weyl semimetal NbP exhibits an extremely large magnetoresistance (MR) and an ultra-high mobility. The large MR originates from a combination of the nearly perfect compensation…

cond-mat.mes-hall2017★ 22 cited

Fermi arc mediated entropy transport in topological semimetals

Timothy M. McCormick, Sarah J. Watzman, Joseph P. Heremans +1

In topological Weyl semimetals, the low energy excitations are comprised of linearly dispersing Weyl fermions, which act as monopoles of Berry curvature in momentum space and resul…

cond-mat.mes-hall2017★ 128 cited

Dirac dispersion generates large Nernst effect in Weyl semimetals

Sarah J. Watzman, Timothy M. McCormick, Chandra Shekhar +6

Weyl semimetals expand research on topologically protected transport by adding bulk Berry monopoles with linearly dispersing electronic states and topologically robust, gapless sur…

cond-mat.mtrl-sci2017★ 69 cited

Extremely high conductivity observed in the triple point topological metal MoP

Nitesh Kumar, Yan Sun, Michael Nicklas +20

Weyl and Dirac fermions have created much attention in condensed matter physics and materials science. Recently, several additional distinct types of fermions have been predicted.…

cond-mat.mtrl-sci2016★ 168 cited

Magnon-drag thermopower and Nernst coefficient in Fe, Co, and Ni

Sarah J. Watzman, Rembert A. Duine, Yaroslav Tserkovnyak +5

Magnon-drag is shown to dominate the thermopower of elemental Fe from 2 to 80 K and of elemental Co from 150 to 600 K; it is also shown to contribute to the thermopower of elementa…