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Current thermoelectric (TE) materials often have low performance or contain less abundant and/or toxic elements, thus limiting their large-scale applications. Therefore, new TE materials with high efficiency and low cost are strongly…

Materials Science · Physics 2017-01-24 Ji-Hui Yang , Qinghong Yuan , Huixiong Deng , Su-Huai Wei , Boris I. Yakobson

Thermoelectric (TE) devices have been attracting increasing attention because of their ability to convert heat directly to electricity. To date, improving the TE figure of merit remains the key challenge. The advent of the topological…

Mesoscale and Nanoscale Physics · Physics 2016-08-02 T. H. Wang , H. T. Jeng

Thermoelectrics involves both the generation of electrical power from heat flow, and the efficient refrigeration using electricity, which has been intensively focused on for two decades. The performance of thermoelectric power generation…

Materials Science · Physics 2014-06-10 Shuang Tang , Mildred Dresselhaus

Designing thermoelectric materials with high figure of merit $ZT=S^2 G T/\kappa$ requires fulfilling three often irreconcilable conditions, i.e., the high electrical conductance $G$, small thermal conductance $\kappa$ and high Seebeck…

Mesoscale and Nanoscale Physics · Physics 2014-07-11 Po-Hao Chang , Mohammad Saeed Bahramy , Naoto Nagaosa , Branislav K. Nikolic

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…

Materials Science · Physics 2022-05-10 Enamul Haque

Statistical analysis is used throughout biomedical research and elsewhere to assess strength of evidence. We have previously argued that typical outcome statistics (including p-values and maximum likelihood ratios) have poor…

Statistics Theory · Mathematics 2013-10-02 V. J. Vieland , J. Das , S. E. Hodge , S. -C. Seok

We report a study of structural, magnetic, heat capacity and thermoelectric properties of a Rubased Heusler alloy, Ru2TiGe. The magnetic measurements reveal that at higher temperatures, diamagnetic and Pauli paramagnetic contributions…

Strongly Correlated Electrons · Physics 2023-08-07 Sanchayita Mondal , Krishanu Ghosh , R. Ranganathan , Eric Alleno , Chandan Mazumdar

High performance thermoelectric materials for wide-range temperature applications still remains a challenge. In this study, we have produced high-quality homogeneous $In_{0.32}Ga_{0.68}N$ on ZnO substrates, with no phase separation at high…

Materials Science · Physics 2019-07-25 Yining Feng , Evan Witkoske , Bahadir Kucukgok , Yee Rui Koh , Ali Shakouri , Ian T. Ferguson , Na Lu

In this work, we try to understand the experimental thermoelectric (TE) properties of a ZrNiSn sample with DFT and semiclassical transport calculations using SCAN functional. SCAN and mBJ provide the same band gap $E_{g}$ of $\sim$0.54 eV.…

Strongly Correlated Electrons · Physics 2020-06-24 Shivprasad S. Shastri , Sudhir K. Pandey

Loosely packed granular materials are intensively studied nowadays. Electrical and thermal transport properties should reflect the granular structure as well as intrinsic properties. We have compacted crystalline $CaAl$ based metallic…

Materials Science · Physics 2009-11-10 M. Ausloos , M. Pekala , J. Latuch , J. Mucha , Ph. Vanderbemden , B. Vertruyen , R. Cloots

Recently, the superionic thermoelectrics, which typify the novel `phonon-liquid electron-crystal' concept, have attracted enormous attention due to their ultralow thermal conductivity and high figure-of-merit (zT). However, their high zT is…

Materials Science · Physics 2022-06-28 Navita Jakhar , Nita Bisht , Ankita Katre , Surjeet Singh

Meta-materials are an important emerging class of engineered materials in which complex macroscopic behaviour--whether electromagnetic, thermal, or mechanical--arises from modular substructure. Simulation and optimization of these materials…

Machine Learning · Computer Science 2020-05-18 Alex Beatson , Jordan T. Ash , Geoffrey Roeder , Tianju Xue , Ryan P. Adams

The electronic structure and thermoelectric properties of ZrRuTe-based Half-Heusler compounds are studied using density functional theory (DFT) and Boltzmann transport formalism. Based on rigorous computations of electron relaxation time…

Materials Science · Physics 2020-03-13 Sonu Prasad Keshri , Amal Medhi

An additive manufacturing (AM) process, like laser powder bed fusion, allows for the fabrication of objects by spreading and melting powder in layers until a freeform part shape is created. In order to improve the properties of the material…

Machine Learning · Computer Science 2023-03-29 Ankita Agarwal , Tanvi Banerjee , Joy Gockel , Saniya LeBlanc , Joe Walker , John Middendorf

The present study demonstrates a large enhancement in the Seebeck coefficient and ultralow thermal conductivity (TE) in Sb$_2$Te$_3$-AgSbTe$_2$ nanocomposite thin film. The addition of Ag leads to the in-situ formation of AgSbTe$_2$…

The thermoelectric power (TEP) measurements have been carried out to investigate the changes in the electronic structure associated with the intermartensitic and martensitic transitions in Ni$_{2+x}$Mn$_{1-x}$Ga (0 $\le$ x $\le$ 0.19). The…

Materials Science · Physics 2009-11-11 P. A. Bhobe , J. H. Monteiro , J. C. Cascalheira , S. K. Mendiratta , K. R. Priolkar , P. R. Sarode

Searching for natural materials exhibiting larger electron-electron interactions constitutes a traditional approach to high temperature superconductivity research. Very recently we pointed out that the newly developed field of…

Optics · Physics 2018-06-11 Igor I. Smolyaninov , Vera N. Smolyaninova

Superconductivity is a remarkable phenomenon in condensed matter physics, which comprises a fascinating array of properties expected to revolutionize energy-related technologies and pertinent fundamental research. However, the field faces…

Superconductivity · Physics 2024-02-21 Hassan Gashmard , Hamideh Shakeripour , Mojtaba Alaei

The possibility of night-time power generation has recently stimulated interest in using the radiative sky cooling mechanism with thermoelectric generators (TEG). These passive, low-temperature difference devices have been shown to generate…

Applied Physics · Physics 2020-12-02 Bin Zhao , Gang Pei , Aaswath P. Raman

Data-driven artificial intelligence (AI) approaches are fundamentally transforming the discovery of new materials. Despite the unprecedented availability of materials data in the scientific literature, much of this information remains…

Artificial Intelligence · Computer Science 2026-01-29 Di Zhang , Xue Jia , Tran Ba Hung , Seong Hoon Jang , Linda Zhang , Ryuhei Sato , Yusuke Hashimoto , Toyoto Sato , Kiyoe Konno , Shin-ichi Orimo , Hao Li