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Related papers: Quantum Nernst Effect in a Bismuth Single Crystal

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The thermoelectric Hall effect is the generation of a transverse heat current upon applying an electric field in the presence of a magnetic field. Here we demonstrate that the thermoelectric Hall conductivity $\alpha_{xy}$ in the…

A semi-classical analysis of magneto-thermopower behaviour, namely, the \textit{Seebeck} and \textit{Nernst} effect (NE) in quantum wells of IV-VI lead salts with significant extrinsic Rashba spin-orbit coupling (RSOC) is performed in this…

Mesoscale and Nanoscale Physics · Physics 2018-03-01 Parijat Sengupta , Junxia Shi

Using diagrammatic methods we derive an effective interaction between a low energy collective movement of fermionic liquid (acoustic plasmon) and acoustic phonon. We show that the coupling between the plasmon and the lattice has a very…

Strongly Correlated Electrons · Physics 2016-06-15 P. Chudzinski

A transverse thermoelectric generator for magnetic-field-free and high-density power generation utilizing the anomalous Nernst effect is constructed and its performance is characterized. By alternately stacking two different permanent…

Materials Science · Physics 2024-11-25 Fuyuki Ando , Takamasa Hirai , Ken-ichi Uchida

It has been known for decades that a magnetic field can deflect phonons as they flow in response to a thermal gradient, producing a thermal Hall effect. Several recent experiments have revealed ratios of the phonon Hall conductivity to the…

Mesoscale and Nanoscale Physics · Physics 2022-06-15 B. Flebus , A. H. MacDonald

We discuss the thermoelectric effect of hot and dense hadron gas within the framework of the hadron resonance gas model. Using the relativistic Boltzmann equation within the relaxation time approximation we estimate the Seebeck coefficient…

High Energy Physics - Phenomenology · Physics 2020-07-22 Arpan Das , Hiranmaya Mishra , Ranjita K. Mohapatra

In ferromagnetic solids, even in absence of magnetic field, a transverse voltage can be generated by a longitudinal temperature gradient. This thermoelectric counterpart of the Anomalous Hall effect (AHE) is dubbed the Anomalous Nernst…

Materials Science · Physics 2020-04-02 Haiyang Yang , Wei You , Jialu Wang , Junwu Huang , Chuanying Xi , Chao Cao , Mingliang Tian , Zhu-An Xu , Jianhui Dai , Yuke Li

A magnon Nernst effect, an antiferromagnetic analogue of the magnon Hall effect in ferromagnetic insulators, has been studied experimentally for a layered antiferromagnetic insulator MnPS3 in contact with two Pt strips. Thermoelectric…

Materials Science · Physics 2017-11-01 Y. Shiomi , R. Takashima , E. Saitoh

Harmonic measurements of the longitudinal and transverse voltages in Bi-Sb/Co bilayers are presented. A large second harmonic voltage signal due to the ordinary Nernst effect is observed. In experiments where a magnetic field is rotated in…

Mesoscale and Nanoscale Physics · Physics 2019-05-08 Niklas Roschewsky , Emily S. Walker , Praveen Gowtham , Sarah Muschinske , Frances Hellman , Seth R. Bank , Sayeef Salahuddin

In this theoretical study, we examine the influence of dimensionality, size reduction, and heat-transport direction on the phonon-drag contribution to the Seebeck coefficient of silicon nanostructures. Phonon-drag contribution, which arises…

Materials Science · Physics 2023-09-20 Raja Sen , Nathalie Vast , Jelena Sjakste

We report our recent predictions on the quantum Nernst effect, a novel thermomagnetic effect in the quantum Hall regime. We assume that, when the chemical potential is located between a pair of neighboring Landau levels, edge currents…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 Hiroaki Nakamura , Naomichi Hatano , Ryoen Shirasaki

We study the manifestation of the Nernst effect in the Corbino disk subjected to the normal external magnetic field and to the radial temperature gradient. The Corbino geometry offers a precious opportunity for the direct measurement of the…

Mesoscale and Nanoscale Physics · Physics 2020-01-30 A. V. Kavokin , B. L. Altshuler , S. G. Sharapov , P. S. Grigoryev , A. A. Varlamov

Using an exact nonequilibrium Green's function formulism, the phonon Hall effect for paramagnetic dielectrics is studied in a four-terminal device setting. The temperature difference in the transverse direction of the heat current is…

Mesoscale and Nanoscale Physics · Physics 2009-11-23 Lifa Zhang , Jian-Sheng Wang , Baowen Li

The thermodynamics of irreversible processes in continuous media predicts the existence of a Magnetic Nernst effect that results from a magnetic analog to the Seebeck effect in a ferromagnet and magnetophoresis occurring in a paramagnetic…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Sylvain D. Brechet , Jean-Philippe Ansermet

The negative sign of the anomalous Nernst thermopower ($S_\text{ANE}$) observed in Mn-Ga ordered alloys is an attractive property for thermoelectric applications exploiting the anomalous Nernst effect (ANE); however, its origin has not been…

Materials Science · Physics 2021-04-15 Weinan Zhou , Keisuke Masuda , Yuya Sakuraba

We study the frictional drag due to Coulomb and phonon mediated electron-electron interaction in a double layer electron system exposed to a perpendicular magnetic field. Within the random phase approximation we calculate the dispersion…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Samvel M. Badalyan , Chang Sub Kim

To understand the unexpectedly high thermoelectric performance observed in the thin-film Heusler alloy Fe$_2$V$_{0.8}$W$_{0.2}$Al, we study the magnon drag effect, generated by the tungsten based impurity band, as a possible source of this…

Materials Science · Physics 2021-12-17 Hiroyasu Matsuura , Masao Ogata , Takao Mori , Ernst Bauer

A large anomalous Nernst effect is essential for thermoelectric energy harvesting in the transverse geometry without external magnetic field. It is often connected with anomalous Hall effect, especially when electronic Berry curvature is…

The Nernst thermopower usually is considered far too weak in most metals for waste heat recovery. However, its transverse orientation gives it an advantage over the Seebeck effect on non-flat surfaces. Here, we experimentally demonstrate…

We consider Coulomb drag between two layers of two-dimensional electron gases subject to a strong magnetic field, with the Landau level filling factor in each layer being 1/2. We find $\rho_D$ to be very large, as compared to the zero…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Ady Stern , Iddo Ussishkin