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Aiming at developing high thermal conductivity copper/diamond composite, an unconventional approach applying self-assembled monolayer (SAM) prior to the high-temperature sintering of copper/diamond composite was utilized to enhance the…

The thermoelectric transport properties of $\text{Bi}_2\text{Te}_3/\text{Sb}_2\text{Te}_3$superlattices are analyzed on the basis of first-principles calculations and semi-classical Boltzmann theory. The anisotropy of the thermoelectric…

Materials Science · Physics 2012-09-11 N. F. Hinsche , B. Yu. Yavorsky , M. Gradhand , M. Czerner , M. Winkler , J. König , H. Böttner , I. Mertig , P. Zahn

Two-dimensional (2D) materials like graphene and h-BN usually show high thermal conductivity, which enables rich applications in thermal dissipation and nanodevices. Disorder, on the other hand, is often present in 2D materials. Structural…

Materials Science · Physics 2022-06-01 Yu-Tian Zhang , Yun-Peng Wang , Yu-Yang Zhang , Shixuan Du , Sokrates T. Pantelides

Electronic and thermoelectric properties of a two-dimensional MoS2 monolayer containing atomic defects are investigated using density functional theory. All the atomic defects have been found to exhibit endothermic nature. Electronic…

Mesoscale and Nanoscale Physics · Physics 2019-05-17 Munish Sharma , Ashok Kumar , P. K. Ahluwalia

The electronic, phonon and thermoelectric transport properties of (PbTe)2 layer are systematically investigated by using first-principles pseudopotential method and Boltzmann transport equation. Our calculations demonstrate that there is a…

Materials Science · Physics 2020-03-04 Caiyu Sheng , Dengdong Fan , Huijun Liu

Two-dimensional thermoelectric materials with a figure of merit $ZT$, which is greater than 2.0 at room temperature, would be highly desirable in energy conversion since the efficiency is competitive to conventional energy conversion…

Materials Science · Physics 2019-07-24 Shenghui Zhang , Xiaobin Niu , Yiqun Xie , Kui Gong , Hezhu Shao , Yibin Hu , Yin Wang

For high efficiency thermoelectric power conversion not only improvement of materials properties but also prediction and synthesis of new thermoelectric materials is needed. Here we have carried out a systematic investigation on…

Materials Science · Physics 2021-01-25 Jayanta Bera , Atanu Betal , Satyajit Sahu

We present a comprehensive study on enhancing the thermoelectric (TE) performance of bilayer graphene (BLG) through irradiation with arbitrarily polarized light, focusing on $AA$- and $AB$-stacked configurations with zigzag edges. Utilizing…

Mesoscale and Nanoscale Physics · Physics 2024-09-25 Cynthia Ihuoma Osuala , Tanu Choudhary , Raju K. Biswas , Sudin Ganguly , Santanu K. Maiti

Since the emergence of monolayer graphene as a promising two-dimensional material, many other monolayer and few-layer materials have been investigated extensively. An experimental study of few-layer Si2Te3 was recently reported, showing…

Materials Science · Physics 2016-05-13 Yevgeniy Puzyrev , X. Shen , C. Combs , S. T. Pantelides

Low dimensional structures have demonstrated improved thermoelectric (TE) performance because of a drastic reduction in their thermal conductivity, {\kappa}l. This has been observed for a variety of materials, even for traditionally poor…

Materials Science · Physics 2012-01-31 Neophytos Neophytou , Hans Kosina

We draw motivation from recent experimental studies and present a comprehensive study of magnetothermoelectric transport in a graphene monolayer within the linear response regime. We employ the modified Kubo formalism developed for thermal…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 R. Nasir , K. Sabeeh

Combined with first-principles calculations and semiclassical Boltzmann transport theory, Janus {\alpha}-STe2 and {\alpha}-SeTe2 monolayers are investigated systematically. Janus {\alpha}-STe2 and {\alpha}-SeTe2 monolayers are indirect…

Materials Science · Physics 2022-11-28 Gang Liu , Aiqing Guo , Fengli Cao , Weiwei Ju , Zhaowu Wang , Hui Wang , Guo-Ling Li , Zhibin Gao

The exploration of superconductivity in low-dimensional materials has attracted intensive attention for decades. Based on first-principles electronic structure calculations, we have systematically investigated the electronic and…

Superconductivity · Physics 2022-04-05 Xiao-Le Qiu , Jian-Feng Zhang , Huan-Cheng Yang , Zhong-Yi Lu , Kai Liu

We study the temperature dependence of thermoelectric transport properties of four FeSb2 nanocomposite samples with different grain sizes. The comparison of the single crystals and nanocomposites of varying grain size indicates the presence…

Mesoscale and Nanoscale Physics · Physics 2012-10-11 Mani Pokharel , Huaizhou Zhao , Kevin Lukas , Bogdan Mihaila , Zhifeng Ren , Cyril Opeil

We investigated the thermoelectric properties of the 2D monolayer of WX2N4 using Density Functional Theory combined with Boltzmann Transport Equation. We obtained an outstanding thermoelectric figure of merit of 0.91 at 400K for p-type…

Materials Science · Physics 2023-04-03 Chayan Das , Dibyajyoti Saikia , Atanu Betal , Satyajit Sahu

Layer-structured materials are often considered to be good candidates for thermoelectric materials, because they tend to exhibit intrinsically low thermal conductivity as a result of atomic interlayer interactions. The electrical properties…

Materials Science · Physics 2018-12-27 Shuofeng Zhang , Ben Xu , Yuanhua Lin , Cewen Nan , Wei Liu

While the thermoelectric figure of merit zT above 300K has seen significant improvement recently, the progress at lower temperatures has been slow, mainly limited by the relatively low Seebeck coefficient and high thermal conductivity. Here…

Materials Science · Physics 2016-02-17 Jiawei Zhou , Bolin Liao , Bo Qiu , Samuel Huberman , Keivan Esfarjani , Mildred S. Dresselhaus , Gang Chen

Research on conjugated polymers for thermoelectric applications has made tremendous progress in recent years, which is accompanied by surging interest in molecular doping as a means to achieve the high electrical conductivities that are…

Weyl semimetals combine topological and semimetallic effects, making them candidates for interesting and effective thermoelectric transport properties. Here, we present experimental results on polycrystalline NbP, demonstrating the…

The thermal properties of two-dimensional (2D) materials, like MoS$_2$, are known to be affected by interactions with their environment, but this has primarily been studied only with SiO$_2$ substrates. Here, we compare the thermal…

Materials Science · Physics 2022-05-20 Alexander J. Gabourie , Cagil Koroglu , Eric Pop
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