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相关论文: Doping effect on thermoelectric properties of MoS$…

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We study the electronic transport coefficients and the thermoelectric figure of merit ZT in $n$-doped Mg$_3$Sb$_2$ based on density-functional electronic structure and Bloch-Boltzmann transport theory with an energy- and…

We report an investigation of temperature- and doping-dependent thermoelectric behaviors of topological semimetal Cd3As2. The electrical conductivity, thermal conductivity, Seebeck coefficient, and figure of merit (ZT) are calculated by…

材料科学 · 物理学 2016-11-22 Tong Zhou , Cheng Zhang , Huisheng Zhang , Faxian Xiu , Zhongqin Yang

First principles density functional theory based calculations have been performed to investigate the strain and temperature induced tunability of the thermoelectric properties of monolayer (ML) MoS$_2$. Modifications in the electronic and…

材料科学 · 物理学 2023-08-02 Saumen Chaudhuri , Amrita Bhattacharya , A. K. Das , G. P. Das , B. N. Dev

The doping and strain effects on the electron transport of monolayer MoS_2 are systematically investigated using the first-principles calculations with Boltzmann transport theory. We estimate the mobility has a maximum 275 cm^2/(Vs) in the…

材料科学 · 物理学 2014-12-10 Yanfeng Ge , Wenhui Wan , Wanxiang Feng , Di Xiao , Yugui Yao

Bipolar carrier transport is often a limiting factor in the thermoelectric efficiency of narrow bandgap materials at high temperatures due to the reduction in the Seebeck coefficient and the introduction of an additional term to the thermal…

材料科学 · 物理学 2019-03-27 Samuel Foster , Neophytos Neophytou

The search for semiconductors with high thermoelectric figure of merit has been greatly aided by theoretical modeling of electron and phonon transport, both in bulk materials and in nanocomposites. Recent experiments have studied…

强关联电子 · 物理学 2015-06-25 Subroto Mukerjee , J. E. Moore

The hydrostatic pressure induced changes in the transport properties of monolayer (ML) MoS$_2$ have been investigated using first-principles density functional theory based calculations. The application of pressure induces shift in the…

材料科学 · 物理学 2023-08-02 Saumen Chaudhuri , Amrita Bhattacharya , A. K. Das , G. P. Das , B. N. Dev

Doped films of organic small molecules are investigated with respect to their thermoelectric properties. A variety of hosts and dopants, for both n and p-doping, are compared. C$_{60}$ n-doped by Cr$_2$(hpp)$_4$ or o-MeO-DMBI-I are found to…

材料科学 · 物理学 2014-01-08 Torben Menke

Two-dimensional (2D) materials may have potential applications in thermoelectric devices. In this work, we systematically investigate the thermoelectric properties of orthorhombic group IV-VI monolayers $\mathrm{AB}$ (A=Ge and Sn; B=S and…

材料科学 · 物理学 2017-02-01 San-Dong Guo

Recently, $\mathrm{BaSn_2}$ is predicted to be a strong topological insulator by the first-principle calculations. It is well known that topological insulator has a close connection to thermoelectric material, such as $\mathrm{Bi_2Te_3}$…

材料科学 · 物理学 2016-12-21 San-Dong Guo , Liang Qiu

We investigate the superconducting properties of molybdenum disulphide (MoS$_2$) monolayer across a broad doping range, successfully recreating the so far unresolved superconducting dome. Our first-principles findings reveal several…

超导电性 · 物理学 2024-12-05 Nina Girotto Erhardt , Jan Berges , Samuel Poncé , Dino Novko

The electronic properties of the layered black phosphorus (black-P) and its monolayer counterpart phosphorene are investigated by using the first-principles calculations based on the density functional theory (DFT). The room-temperature…

材料科学 · 物理学 2014-04-22 H. Y. Lv , W. J. Lu , D. F. Shao , Y. P. Sun

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…

介观与纳米尺度物理 · 物理学 2014-07-10 Jing Wu , Hennrik Schmidt , Amara Kiran Kumar , Xiangfan Xu , Goki Eda , Barbaros Özyilmaz

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…

The electronic, phonon, and thermoelectric properties of a two-dimensional HfS2 monolayer are investigated by using the first-principles calculations combined with the Boltzmann transport theory. The band valleys of the HfS2 monolayer can…

介观与纳米尺度物理 · 物理学 2016-08-22 H. Y. Lv , W. J. Lu , X. Luo , H. Y. Lu , X. B. Zhu , Y. P. Sun

The thermoelectric power S and the thermal conductivity k of stoichiometric and vacancy-doped CaB6 have been measured between 5 and 300 K. The thermopower of both materials is surprisingly large at room temperature. Across the whole covered…

强关联电子 · 物理学 2007-05-23 K. Gianno' , A. V. Sologubenko , H. R. Ott , A. D. Bianchi , Z. Fisk

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…

介观与纳米尺度物理 · 物理学 2017-01-27 Moslem Zare , Babak Zare Rameshti , Farnood G. Ghamsari , Reza Asgari

Both electron and phonon transport properties of single layer MoS2 (SLMoS2) are studied. Based on first-principles calculations, the electrical conductivity of SLMoS2 is calculated by Boltzmann equations. The thermal conductivity of SLMoS2…

介观与纳米尺度物理 · 物理学 2015-12-07 Zelin Jin , Quanwen Liao , Haisheng Fang , Zhichun Liu , Wei Liu , Zhidong Ding , Tengfei Luo , Nuo Yang

We compare the two-dimensional (2D) plasmon dispersion relations for monolayer graphene when the sample is doped with carriers in the conduction band and the temperature $T$ is zero with the case when the temperature is finite and there is…

介观与纳米尺度物理 · 物理学 2017-07-26 Godfrey Gumbs , Antonios Balassis , V. M. Silkin

We systematically study the effect of high pressure on the structure, electronic structure and transport properties of 2H-MoS$_2$, based on first-principles density functional calculations and the Boltzmann transport theory. Our calculation…

材料科学 · 物理学 2013-09-18 Huaihong Guo , Teng Yang , Peng Tao , Yong Wang , Zhidong Zhang
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