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Related papers: Ferron Type of Coductivity in Metal CuFeSe2

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The low-temperature transport properties (resistivity, thermal conductivity, thermoelectric power) are experimentally investigated for the compound YbMn2Sb2. Large Seebeck coefficient and nearly linear temperature dependence of resistivity…

Strongly Correlated Electrons · Physics 2014-04-11 V. N. Nikiforov , V. V. Pryadun , A. V. Morozkin , V. Yu. Irkhin

Prior ultralow thermal conductivity materials are not suitable for thermoelectric applications due to the limited electronic transport in the materials. Here, we present a new class of ultralow thermal conductivity materials with…

Materials Science · Physics 2018-06-27 Bin Huang , Weidong Zheng , Yee Kan Koh

We report an observation of metal-insulator transition in a thin film of SnSe$_2$. The room-temperature carrier concentration of SnSe$_2$ film was increased by electrostatic doping to 1.14$\times$ 10$^{13}$ cm$^{-2}$. A crossover from…

Materials Science · Physics 2025-07-22 Aarti Lakhara , Lars Thole , Rolf J. Haug , P. A. Bhobe

We present theoretical description of conduction electrons interacting with a domain wall in ferromagnetic metals. The description takes into account interaction between electrons. Within the semiclassical approximation we calculate the…

Materials Science · Physics 2009-11-07 V. K. Dugaev , J. Barnas , A. Lusakowski , L. A. Turski

In a previous paper (Paper I) we developed a technique for exactly solving the linearized Boltzmann equation for the electrical and thermal transport coefficients in metals in the low-temperature limit. Here we adapt this technique to…

Statistical Mechanics · Physics 2021-01-04 J. Amarel , D. Belitz , T. R. Kirkpatrick

FeSe stands out among iron-based superconductors due to its extended nematic phase without the onset of long-range magnetic order. While strain-dependent electrical resistivity has been extensively explored to probe nematicity, its…

Superconductivity · Physics 2025-12-22 M. Wissmann , L. Fanfarillo , X. -C. Hong , S. Caprara , S. Aswartham , B. Büchner , C. Hess , G. Seibold , F. Caglieris

We investigated the magnetotransport in high quality ferromagnetic (Ga,Mn)As films and wires. At low temperature the conductivity decreases with decreasing temperature without saturation down to 20 mK. Here we show, that the conductivity…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Daniel Neumaier , Markus Schlapps , Ursula Wurstbauer , Janusz Sadowski , Matthias Reinwald , Werner Wegscheider , Dieter Weiss

Heavy fermions represent an archetypal example of strongly correlated electron systems which, due to entanglement among different interactions, often exhibit exotic and fascinating physics involving Kondo screening, magnetism and…

Strongly Correlated Electrons · Physics 2018-05-16 W. Zhou , C. Q. Xu , B. Li , R. Sankar , F. M. Zhang , B. Qian , C. Cao , J. H. Dai , Jianming Lu , Xiaofeng Xu

We report a comprehensive study on the electronic transport properties of SrZn2Ge2 single crystals. The electrical resistivity of the compound exhibits metallic behavior, following a T^2 dependence below 35 K, consistent with the Fermi…

Strongly Correlated Electrons · Physics 2025-02-25 M. K. Hooda , A. Chakraborty , S. Roy , R. Swami , A. Agarwal , P. Mandal , S. N. Sarangi , D. Samal , V. P. S. Awana , Z. Hossain

We show results of broadband dielectric measurements on the charge ordered, proposed to be mul- tiferroic material LuFe2O4. The temperature and frequency dependence of the complex permittivity as investigated for temperatures above and…

Strongly Correlated Electrons · Physics 2013-05-30 Daniel Niermann , Florian Waschkowski , Joost de Groot , Manuel Angst , Joachim Hemberger

Hill et al. have recently measured both the thermal and charge conductivities in the normal state of a high temperature superconductor. Based on the vanishing of the Wiedemann-Franz ratio in the extrapolated zero temperature limit, they…

Superconductivity · Physics 2009-10-31 Qimiao Si

The derivation for the transport coefficients of an electron system in the presence of temperature gradient and the electric and magnetic fields are presented. The Nernst conductivity and the transverse thermoelectric power of the Dirac…

Strongly Correlated Electrons · Physics 2014-11-20 Xin-Zhong Yan , C. S. Ting

It has been proposed that paramagnetic materials exhibit a unique thermoelectric effect near the ferromagnetic transition point due to spin fluctuations. This phenomenon is often referred to as paramagnon drag. We calculate the contribution…

Strongly Correlated Electrons · Physics 2022-01-12 Junya Endo , Hiroyasu Matsuura , Masao Ogata

We present a minimal model of charge transport in hybrid perovskites, which provides an intuitive explanation for the recently proposed formation of ferroelectric large polarons. We demonstrate that short-ranged charge--rotor interactions…

Mesoscale and Nanoscale Physics · Physics 2023-03-08 Georgios M. Koutentakis , Areg Ghazaryan , Mikhail Lemeshko

We consider the deformation potential mechanism of the electron-phonon coupling in metal films and investigate the intensity of the associated heat transfer between the electron and phonon subsystems. The focus is on the temperature region…

Mesoscale and Nanoscale Physics · Physics 2016-03-31 S. Cojocaru , D. V. Anghel

The thermal conductivity of YbRh2Si2 has been measured down to very low temperatures under field in the basal plane. An additional channel for heat transport appears below 30 mK, both in the antiferromagnetic and paramagnetic states,…

Strongly Correlated Electrons · Physics 2015-07-23 M. Taupin , G. Knebel , T. D. Matsuda , G. Lapertot , Y. Machida , K. Izawa , J. -P. Brison , J. Flouquet

Graphene field-effect transistors with source/drain contacts made of metals that can be easily oxidized such as ferromagnetic metals often display a double dip structure in the transfer characteristics because of charge density depinning at…

Materials Science · Physics 2014-07-28 Ryo Nouchi , Katsumi Tanigaki

The electron transport in inhomogeneous quasi-one-dimensional conducting channels on the liquid helium surface are studied in the temperature range 0.6-1.5 K. Inhomogeneities are created by charging the substrate on which the conducting…

Strongly Correlated Electrons · Physics 2009-11-13 Yu. Z. Kovdrya , V. A. Nikolaenko , A. V. Smorodin

The copper silver selenide has two phases: the low-temperature semimetal phase ({\alpha}-CuAgSe) and high-temperature phonon-glass superionic phase (\b{eta}-CuAgSe). In this work, the electric transport and thermoelectric properties of the…

Materials Science · Physics 2015-10-23 A. J. Hong , L. Li , H. X. Zhu , X. H. Zhou , Q. Y. He , W. S. Liu , Z. B. Yan , J. M. Liu , Z. F. Ren

We consider a superconductor-ferromagnet (S/F) structure and assume that above the superconducting transition temperature $T_{c}$ the magnetic moment exists only in F. {In a simple model of the ferromagnet (the exchange field is of the…

Superconductivity · Physics 2009-11-10 F. S. Bergeret , A. F. Volkov , K. B. Efetov