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Related papers: Phonon-drag effect in FeGa3

200 papers

Normally, understanding the temperature dependent transport properties of strongly correlated electron systems remains challenging task due to complex electronic structure and its variations (around E$_{F}$) with temperature. Here, we…

Strongly Correlated Electrons · Physics 2017-03-21 Saurabh Singh , Devendra Kumar , Sudhir K. Pandey

The temperature and pressure dependence of the partial density of phonon states of iron atoms in superconducting Fe1.01Se was studied by 57Fe nuclear inelastic scattering (NIS). The high energy resolution allows for a detailed observation…

Superconductivity · Physics 2015-05-18 V. Ksenofontov , G. Wortmann , A. I. Chumakov , T. Gasi , S. Medvedev , T. M. McQueen , R. J. Cava , C. Felser

We present a detailed study of the charge transport, optical reflectivity, and thermal transport properties of n-type PbSe crystals. A strong scattering, mobility-limiting mechanism was revealed to be at play at temperatures above 500 K.…

We present a comprehensive first-principles analysis of the thermoelectric transport properties of hole-doped pyrite FeS$_2$ that includes electron-phonon interactions. This work was motivated by the observed variations in the magnitude of…

Materials Science · Physics 2025-10-20 Anustup Mukherjee , Alaska Subedi

Ultrathin layers of semiconducting molybdenum disulfide (MoS2) offer significant prospects in future electronic and optoelectronic applications. Although an increasing number of experiments bring light into the electronic transport…

Mesoscale and Nanoscale Physics · Physics 2014-07-10 Jing Wu , Hennrik Schmidt , Amara Kiran Kumar , Xiangfan Xu , Goki Eda , Barbaros Özyilmaz

The temperature dependence of the charge carrier density, mobility and Seebeck coefficient of melt-grown, bulk ZnGa2O4 single crystals was measured between 10 K and 310 K. The electrical conductivity at room temperature is about s = 286…

Materials Science · Physics 2020-05-07 Johannes Boy , Martin Handwerg , Rüdiger Mitdank , Zbigniew Galazka , Saskia F. Fischer

A polycrystalline sample of the MgB_2 superconductor was investigated by measurements of the electrical resistivity, the thermopower and the thermal conductivity in the temperature range between 1.8K and 300K in zero magnetic field. The…

We apply the generalized Boltzmann theory to describe thermoelectric transport properties of monolayer phosphorene in the presence of short- and long-range charged impurity interactions. First, we propose a low-energy Hamiltonian to explore…

Mesoscale and Nanoscale Physics · Physics 2017-01-27 Moslem Zare , Babak Zare Rameshti , Farnood G. Ghamsari , Reza Asgari

Intermetallic narrow-gap semiconductors have been intensively explored due to their large thermoelectric power at low temperatures and a possible role of strong electronic correlations in their unusual thermodynamic and transport…

The effect of electron-phonon scattering processes over the thermoelectric properties of extrinsic graphene was studied. Electrical and thermal resistivity, as well as the thermopower, were calculated within the Bloch theory approximations.…

Mesoscale and Nanoscale Physics · Physics 2012-08-02 Enrique Muñoz

The thermoelectric properties of nanostructured silicon are not fully understood despite their initial promise. While the anomalously low thermal conductivity has attracted much work, the impact of nanostructuring on the power factor has…

Materials Science · Physics 2020-10-06 Jun Ma , Dhruv Gelda , Krishna V. Valavala , Sanjiv Sinha

The electronic and thermal transport properties have been systematically investigated in monolayer C$_4$N$_3$H with first-principles calculations. The intrinsic thermal conductivity of monolayer C$_4$N$_3$H was calculated coupling with…

Materials Science · Physics 2020-06-04 Yelu He , Dingxing Liu , Yingchun Ding , Jianhui Yang , Zhibin Gao

The inelastic nature of 3-phonon processes is investigated within the framework of perturbation theory and linearized Boltzmann Transport Equation. By considering the energy conservation rule governing this type of interactions in a…

Materials Science · Physics 2017-09-07 Ahmed Hamed , Anter El-Azab

The thermal conductivity and thermoelectric power of a single carbon nanotube were measured using a microfabricated suspended device. The observed thermal conductivity is more than 3000 W/K m at room temperature, which is two orders of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 P. Kim , L. Shi , A. Majumdar , P. L. McEuen

A theoretical study of the magnon-drag Peltier and Seebeck effects in ferromagnetic metals is presented. A magnon heat current is described perturbatively from the microscopic viewpoint with respect to electron--magnon interactions and the…

Mesoscale and Nanoscale Physics · Physics 2012-10-30 Daisuke Miura , Akimasa Sakuma

The physical properties of polycrystalline Ce3-xTe4 were investigated by measurements of the thermoelectric properties, Hall coefficient, heat capacity, and magnetization. The fully-filled, metallic x=0 compound displays a soft…

Materials Science · Physics 2015-06-05 Andrew F. May , Michael A. McGuire , Claudia Cantoni , Brian C. Sales

We report results of investigation of the phonon and thermal properties of the exfoliated films of layered single crystals of antiferromagnetic FePS3 and MnPS3 semiconductors. The Raman spectroscopy was conducted using three different…

Low-dimensional layered materials have attracted tremendous attentions due to their wide range of physical and chemical properties and potential applications in electronic devices. Using first-principles method taking into account the…

Materials Science · Physics 2018-08-16 Z. Z. Zhou , H. J. Liu , D. D. Fan , C. Y. Sheng , G. H. Cao

Th$_3$Te$_4$ materials are potential candidates for commercial thermoelectric (TE) materials at high-temperature due to their superior physical properties. We incorporate the multiband Boltzmann transport equations with firstprinciples…

Materials Science · Physics 2023-01-10 Jizhu Hu Jinxin Zhong Jun Zhou

The complex optical properties of a single crystal of hexagonal FeCrAs ($T_N \simeq 125$ K) have been determined above and below $T_N$ over a wide frequency range in the planes (along the $b$ axis), and along the perpendicular ($c$ axis)…

Strongly Correlated Electrons · Physics 2014-03-21 A. Akrap , Y. M. Dai , W. Wu , S. R. Julian , C. C. Homes