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相关论文: Understanding the transport behaviour of PbSe: A c…

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Heavily doped semiconductors are by far the most studied class of materials for thermoelectric applications in the past several decades. They have Seebeck coefficient values which are 2-3 orders of magnitude higher than metals, making them…

材料科学 · 物理学 2019-09-11 Maxime Markov , Emad Rezaei , Safoura Nayeb Sadeghi , Keivan Esfarjani , Mona Zebarjadi

Iron chalcogenide superconductors are multi-band systems with strong electron correlations. Here we use angle-resolved photoemission spectroscopy to study band dependent correlation effects in single-layer FeSe/Nb:BaTiO3/KTaO3, a new iron…

超导电性 · 物理学 2016-09-28 Y. J. Pu , Z. C. Huang , H. C. Xu , D. F. Xu , Q. Song , C. H. P. Wen , R. Peng , D. L. Feng

We present thermoelectric properties of Be$_2$C monolayer based on density functional theory and semi-classical Boltzmann transport theory. Electronic structure calculations predict this material as a semiconductor with a direct bandgap of…

材料科学 · 物理学 2022-01-27 Gautam Sharma , K. C. Bhamu

PbTe, one of the most promising thermoelectric materials, has recently demonstrated thermoelectric figure of merit ($ZT$) of above 2.0 when alloyed with group II elements. The improvements are due mainly to significant reduction of lattice…

材料科学 · 物理学 2018-05-04 Yi Xia , James M. Hodges , Mercouri G. Kanatzidis , Maria K. Y. Chan

Bulk single crystal Molybdenum diselenide has been studied for its electronic and thermal transport properties. We perform resistivity measurements with current in-plane (CIP) and current perpendicular to plane (CPP) as a function of…

材料科学 · 物理学 2017-07-11 Dhavala Suri , R. S. Patel

The waste heat management becomes very important with increasing energy demand and limited fossil resources. Here, we demonstrate thermoelectric performance of allotropic TeSe2. Based on the first-principle calculations, we confirm the…

介观与纳米尺度物理 · 物理学 2020-12-08 Munish Sharma

The thermoelectric figure of merit of the Heusler alloy TiFe$_{1.5}$Sb was investigated by first-principles calculations of lattice thermal conductivity. The electronic thermal conductivity, electrical conductivity, and Seebeck coefficient…

材料科学 · 物理学 2025-05-27 Rifky Syariati , Athorn Vora-ud , Fumiyuki Ishii , Tosawat Seetawan

The thermoelectric transport properties of CaMg2Bi2, EuMg2Bi2, and YbMg2Bi2 were characterized between 2 and 650K. As synthesized, the polycrystalline samples are found to have lower p-type carrier concentrations than single-crystalline…

材料科学 · 物理学 2012-01-13 A. F. May , M. A. McGuire , J. Ma , O. Delaire , A. Huq , D. J. Singh , W. Cai , H. Wang

In this first-principles study, we investigated the thermoelectric properties of the full-Heusler compound CsK$_2$Sb at different compressive strains. This material exhibits a valence band structure with significant effective mass…

材料科学 · 物理学 2025-05-14 Øven A. Grimenes , G. Jeffrey Snyder , Ole M. Løvvik , Kristian Berland

The demand for green energy increases day by day due to environmental concern and thermoelectric (TE) materials are one of the eco-friendly energy resources. Few authors reported high TE performance in TmCu$_3$Ch$_4$, reaching the figure of…

材料科学 · 物理学 2022-05-10 Enamul Haque

Ternary chalcogenides, having large crystalline unit cell and van der Waal stacking of layers, are expected to be poor thermal conductors and good thermoelectric (TE) materials. We are reporting that layered Bi4GeTe7, with alternating…

材料科学 · 物理学 2021-12-06 Niraj Kumar Singh , Ankit Kashyap , Ajay Soni

Experimental evidence of novel phenomena in hydrogenated graphite fibers is found. An indirect excitonic mechanism is likely leading to a SC state below the temperature Tc = 50 K, where the gap is divergent. Analysis of the gap within the…

超导电性 · 物理学 2023-02-15 Nadina Gheorghiu , Charles R. Ebbing , Timothy J. Haugan

Thermoelectric materials create an electric potential when subject to a temperature gradient and vice versa hence they can be used to harvest waste heat into electricity and in thermal management applications. However, finding highly…

材料科学 · 物理学 2022-05-10 Enamul Haque , Claudio Cazorla , M. Anwar Hossain

Thermoelectric technology is an alternate way to efficiently utilize the energy by converting waste heat into electricity. Thermoelectric requires material with low thermal conductivity to improves its thermoelectric performance. In this…

材料科学 · 物理学 2021-01-22 Rajmohan Muthaiah , Jivtesh Garg

We present an analysis of the potential thermoelectric performance of p-type AgGaTe$_{2}$, which has already shown a $ZT$ of 0.8 with partial optimization, and observe that the same band structure features, such as a mixture of light and…

材料科学 · 物理学 2015-06-04 David Parker , David J. Singh

We have investigated the electrical resistivity, Seebeck coefficient and thermal conductivity of PdTe2 and 4% Cu intercalated PdTe2 compounds. Electrical resistivity for the compounds shows Bloch-Gruneisen type linear temperature (T)…

强关联电子 · 物理学 2024-01-08 M. K. Hooda , C. S. Yadav

We report a systematic study of the normal-state and superconducting properties of single crystal Pb$_{1-x}$Sn$_{x}$TaSe$_{2}$ $(0\leq x \leq 0.23)$. Sn doping enhances the superconducting temperature $T_{c}$ up to 5.1 K while also…

超导电性 · 物理学 2025-08-08 K. Kumarasinghe , A. Rahman , M. Tomlinson , D. Le , F. Joshua , L. Zhai , Y. Nakajima

Cu$_3$SbSe$_4$ is a promising thermoelectric material due to high thermopower ($>400\ \mu$V/K) at 300K and higher. Although it has a simple crystal structure derived from zinc blende structure, previous work has shown that the physics of…

材料科学 · 物理学 2014-09-17 Dat T. Do , S. D. Manhanti

In this study, we calculate the $T$=300 K scattering and thermoelectric transport properties of rhombohedral GeTe using first-principles modeling. The room-temperature phase of GeTe has a layered structure, with cross-plane and in-plane…

材料科学 · 物理学 2019-08-07 Vahid Askarpour , Jesse Maassen

In this work, we have studied the electronic structure of a promising thermoelectric half-Heusler FeVSb using FP-LAPW method and SCAN meta-GGA including spin-orbit coupling. Using the obtained electronic structure and transport calculations…

强关联电子 · 物理学 2020-12-30 Shivprasad S. Shastri , Sudhir K. Pandey