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Related papers: Nernst Plateau in the Quantum Limit of Low-Carrier…

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We present a study of the Nernst effect in amorphous 2D superconductor InO$_x$, whose low carrier density implies low phase rigidity and strong superconducting phase fluctuations. Instead of presenting the abrupt jump expected at a BCS…

Superconductivity · Physics 2009-11-13 P. Spathis , H. Aubin , A. Pourret , K. Behnia

Resolving the structure of energy bands in transport experiments is a major challenge in condensed matter physics and material science. Sometimes, however, traditional electrical conductance or resistance measurements only provide very…

Materials Science · Physics 2018-12-19 Jonathan Noky , Johannes Gooth , Claudia Felser , Yan Sun

The large Nernst effect is advantageous for developing transverse Nernst thermoelectric generators or Ettingshausen coolers within a single component, avoiding the complexity of electron- and hole-modules in longitudinal Seebeck…

We investigate transverse magnetic heat transport on the surface of a topological insulator on which a ferromagnet is attached. We present general expressions of the Nernst coefficient and the thermal Hall conductivity, which are reduced to…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Takehito Yokoyama , Shuichi Murakami

We report the study of Nernst effect in quasi-low dimensional tungsten bronze P4W12O44 showing a sequence of Peierls instabilities. We demonstrate that both condensation of the electronic carriers in the CDW state and the existence of…

Strongly Correlated Electrons · Physics 2016-12-30 Kamil K. Kolincio , Ramzy Daou , Olivier Perez , Laurent Guerin , Pierre Fertey , Alain Pautrat

The discovery of two-dimensional van der Waals (vdW) magnetic materials has propelled advancements in technological devices. The Nernst effect, which generates a transverse electric voltage in the presence of a longitudinal thermal…

Transverse thermoelectric power generation has emerged as a topic of immense interest in recent years owing to the orthogonal geometry which enables better scalability and fabrication of devices. Here, we investigate the thickness…

Materials Science · Physics 2024-10-31 Hiroyasu Matsuura , Alexander Riss , Fabian Garmroudi , Michael Parzer , Ernst Bauer

Following the observation of an anomalous Nernst signal in cuprates, the Nernst effect was explored in a variety of metals and superconductors during the past few years. This paper reviews the results obtained during this exploration,…

Strongly Correlated Electrons · Physics 2009-02-10 Kamran Behnia

We present a comparative study of Nernst effect and resistivity in underdoped samples of Bi$_2$Sr$_2$CuO$_{6+\delta}$ and La$_{2-x}$Sr$_{x}$CuO$_4$. The Nernst effect presents a peak in a region of the H-T diagram where resistivity shows a…

Superconductivity · Physics 2009-11-07 C. Capan , K. Behnia , Z. Z. Li , H. Raffy , C. Marin

We report measurements of the Nernst effect and of the magneto-resistance of granular aluminum films near the metal to insulator transition. These films show sharp transitions as a function of temperature and magnetic field. At low…

Superconductivity · Physics 2015-06-23 Shachar Lerer , Nimrod Bachar , Guy Deutscher , Yoram Dagan

The discovery of Weyl fermions in transition metal monoarsenides/phosphides without inversion symmetry represents an exceptional breakthrough in modern condensed matter physics. However, exploring the inherent nature of these quasiparticles…

We show that the breakdown of time-reversal invariance, confirmed by the recent polar Kerr effect measurements in the cuprates, implies the existence of an anomalous Nernst effect in the pseudogap phase of underdoped cuprate…

Strongly Correlated Electrons · Physics 2008-12-10 Chuanwei Zhang , Sumanta Tewari , Victor M. Yakovenko , S. Das Sarma

Layered van der Waals tellurides reveal topologically non-trivial properties that give rise to unconventional magneto-transport phenomena. Additionally, their semimetallic character with high mobility makes them promising candidates for…

The non-uniform current distribution arisen from either current crowding effect or hot spot effect provides a method to tailor the interaction between thermal gradient and electron transport in magnetically ordered systems. Here we apply…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 Jiuming Liu , Bin Rong , Hua Bai , Xinqi Liu , Yanghui Liu , Yifan Zhang , Yujie Xiao , Yuzhen Liang , Qi Yao , Liyang Liao , Yumeng Yang , Cheng Song , Xufeng Kou

We theoretically study the conditions under which a spin Nernst effect - a transverse spin current induced by an applied temperature gradient - can occur in a canted antiferromagnetic insulator, such as ${\rm LaFeO_3}$ and other materials…

Mesoscale and Nanoscale Physics · Physics 2024-05-24 Wesley Roberts , Bowen Ma , Martin Rodriguez-Vega , Gregory A. Fiete

Today solid-state cooling technologies below liquid nitrogen boiling temperature (77 K), crucial to quantum information technology and probing quantum state of matter, are greatly limited due to the lack of good thermoelectric and/or…

Materials Science · Physics 2022-12-28 Peng Li , Pengfei Qiu , Qing Xu , Jun Luo , Yifei Xiong , Jie Xiao , Niraj Aryal , Qiang Li , Lidong Chen , Xun Shi

The Hall effect can be extended by inducing a temperature gradient in lieu of electric field that is known as the Nernst (-Ettingshausen) effect. The recently discovered spin Nernst effect in heavy metals continues to enrich the picture of…

We report on a study of the Nernst effect in graphite extended up to 45 T. The Nernst response sharply peaks each time a Landau tube is squeezed inside the thermally fuzzy Fermi surface and presents a temperature-independent fixed point…

Strongly Correlated Electrons · Physics 2011-06-20 Benoit Fauqué , Zengwei Zhu , Tim Murphy , Kamran Behnia

Recently, different transport coefficients have been measured in High-Tc superconductors to pinpoint the nature of the pseudogap phase. In particular, the thermoelectric coefficients received a considerable attention both theoretically and…

Superconductivity · Physics 2013-01-01 Sangwoo S. Chung , Paata Kakashvili , C. J. Bolech

We propose theoretically a new effect, i.e. nonlinear planar Nernst effect (NPNE), in nonmagnetic topological insulator (TI) Bi2Te3 in the presence of an in-plane magnetic field. We find that the Nernst current scales quadratically with…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Xiao-Qin Yu , Zhen-Gang Zhu , Gang Su