Search Results - "Gooth Johannes"
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Giant anomalous Nernst signal in the antiferromagnet YbMnBi2
Published in Nature materials (01-02-2022)“…A large anomalous Nernst effect (ANE) is crucial for thermoelectric energy conversion applications because the associated unique transverse geometry…”
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2
Anomalous Nernst effect beyond the magnetization scaling relation in the ferromagnetic Heusler compound Co2MnGa
Published in NPG Asia materials (12-04-2019)“…Applying a temperature gradient in a magnetic material generates a voltage that is perpendicular to both the heat flow and the magnetization. This phenomenon…”
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3
Zero‐Field Nernst Effect in a Ferromagnetic Kagome‐Lattice Weyl‐Semimetal Co3Sn2S2
Published in Advanced materials (Weinheim) (20-06-2019)“…The discovery of magnetic topological semimetals has recently attracted significant attention in the field of topology and thermoelectrics. In a thermoelectric…”
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4
Giant anomalous Hall and Nernst effect in magnetic cubic Heusler compounds
Published in npj computational materials (05-06-2020)“…The interplay of magnetism and topology opens up the possibility for exotic linear response effects, such as the anomalous Hall effect and the anomalous Nernst…”
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5
Experimental signatures of the mixed axial–gravitational anomaly in the Weyl semimetal NbP
Published in Nature (London) (20-07-2017)“…A positive magneto-thermoelectric conductance is observed in the Weyl semimetal niobium phosphide, suggesting the presence of the elusive mixed…”
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6
Thermoelectric properties of topological insulator Bi2Te3, Sb2Te3, and Bi2Se3 thin film quantum wells
Published in Applied physics letters (22-09-2014)“…The thermoelectric (TE) figure of merit ZT of topological insulator Bi2Te3, Sb2Te3, and Bi2Se3 thin film quantum wells is calculated for thicknesses below 10…”
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7
Imaging phonon-mediated hydrodynamic flow in WTe2
Published in Nature physics (01-11-2021)“…In the presence of interactions, electrons in condensed-matter systems can behave hydrodynamically, exhibiting phenomena associated with classical fluids, such…”
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8
Extremely high conductivity observed in the triple point topological metal MoP
Published in Nature communications (06-06-2019)“…Weyl and Dirac fermions have created much attention in condensed matter physics and materials science. Recently, several additional distinct types of fermions…”
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9
Surface state dominated transport in topological insulator Bi2Te3 nanowires
Published in Applied physics letters (04-11-2013)“…We report on low temperature magnetoresistance measurements on single-crystalline Bi2Te3 nanowires synthesized via catalytic growth and post-annealing in a…”
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10
Room-Temperature Lasing from Monolithically Integrated GaAs Microdisks on Silicon
Published in ACS nano (27-03-2018)“…Additional functionalities on semiconductor microchips are progressively important in order to keep up with the ever-increasing demand for more powerful…”
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From Colossal to Zero: Controlling the Anomalous Hall Effect in Magnetic Heusler Compounds via Berry Curvature Design
Published in Physical review. X (11-12-2018)“…Since the discovery of the anomalous Hall effect (AHE), the anomalous Hall conductivity (AHC) has been thought to be zero when there is no net magnetization…”
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Dirac Nodal Arc Semimetal PtSn4: An Ideal Platform for Understanding Surface Properties and Catalysis for Hydrogen Evolution
Published in Angewandte Chemie International Edition (09-09-2019)“…Conductivity, carrier mobility, and a suitable Gibbs free energy are important criteria that determine the performance of catalysts for a hydrogen evolution…”
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13
Chiral magnetoresistance in the Weyl semimetal NbP
Published in Scientific reports (06-03-2017)“…NbP is a recently realized Weyl semimetal (WSM), hosting Weyl points through which conduction and valence bands cross linearly in the bulk and exotic Fermi…”
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14
Resolving the Dirac cone on the surface of Bi2Te3 topological insulator nanowires by field-effect measurements
Published in Applied physics letters (16-06-2014)“…We validate the linear dispersion relation (Dirac cone) on the surface of a single Bi2Te3 nanowire via a combination of field-effect and magnetoresistance…”
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15
2D‐Berry‐Curvature‐Driven Large Anomalous Hall Effect in Layered Topological Nodal‐Line MnAlGe
Published in Advanced materials (Weinheim) (01-05-2021)“…Topological magnets comprising 2D magnetic layers with Curie temperatures (TC) exceeding room temperature are key for dissipationless quantum transport…”
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16
Spin Nernst effect in a p-band semimetal InBi
Published in New journal of physics (01-09-2020)“…Since spin currents can be generated, detected, and manipulated via the spin Hall effect (SHE), the design of strong SHE materials has become a focus in the…”
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Large Thermoelectric Power Factor Enhancement Observed in InAs Nanowires
Published in Nano letters (11-09-2013)“…We report the observation of a thermoelectric power factor in InAs nanowires that exceeds that predicted by a single-band bulk model by up to an order of…”
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Departure from the Wiedemann–Franz law in WP2 driven by mismatch in T-square resistivity prefactors
Published in npj quantum materials (10-12-2018)“…The Wiedemann–Franz law establishes a link between heat and charge transport due to electrons in solids. The extent of its validity in the presence of…”
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Magneto-thermoelectric characterization of a HfTe5 micro-ribbon
Published in Applied physics letters (12-08-2019)“…HfTe5 is a promising low-temperature thermoelectric material. Its thermoelectric power output has been investigated at different temperatures and with…”
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Impact of the Topological Surface State on the Thermoelectric Transport in Sb2Te3 Thin Films
Published in ACS nano (28-04-2015)“…Ab initio electronic structure calculations based on density functional theory and tight-binding methods for the thermoelectric properties of p-type Sb2Te3…”
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