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Related papers: Electron mobility in few-layer MoxW1-xS2

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The electron transport properties of atomically thin semiconductors such as MoS2 have attracted significant recent scrutiny and controversy. In this work, the scattering mechanisms responsible for limiting the mobility of single layer…

Mesoscale and Nanoscale Physics · Physics 2014-03-25 Nan Ma , Debdeep Jena

Mobility is a key parameter for SnO2, which is extensively studied as a practical transparent oxide n-type semiconductor. In experiments, the mobility of electrons in bulk SnO2 single crystals varies from 70 to 260 cm2V-1s-1 at room…

Materials Science · Physics 2022-11-11 Zhen Li , Patrizio Graziosi , Neophytos Neophytou

The scattering of electrons with polar optical phonons (POP) is an important mechanism that limits electronic transport and determines electron mobility in polar materials. This is typically a stronger mechanism compared to non-polar…

Materials Science · Physics 2025-05-19 Yuji Go , Rajeev Dutt , Neophytos Neophytou

In the present work we calculate the phonon-limited mobility in intrinsic n-type single-layer MoS2 as a function of carrier density and temperature for T > 100 K. Using a first-principles approach for the calculation of the electron-phonon…

Materials Science · Physics 2013-11-22 Kristen Kaasbjerg , Kristian S. Thygesen , Karsten W. Jacobsen

The transparent conducting oxide SnO2 is a wide bandgap semiconductor that is easily n-type doped and widely used in various electronic and optoelectronic applications. Experimental reports of the electron mobility of this material vary…

It is known that carrier mobility in layered semiconductors generally increases from two-dimension (2D) to three-dimension due to suppressed scattering channels resulting from decreased densities of electron and phonon states. In this work,…

Materials Science · Physics 2022-04-26 Shiru Song , Ji-Hui Yang , Xin-Gao Gong

The Hall scattering factor is formulated using Rode's iterative approach to solving the Boltzmann transport equation in such a way that it may be easily computed within the scope of ab-inito calculations. Using this method in conjunction…

The electron-phonon interaction and related transport properties are investigated in monolayer silicene and MoS2 by using a density functional theory calculation combined with a full-band Monte Carlo analysis. In the case of silicene, the…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Xiaodong Li , Jeffrey T. Mullen , Zhenghe Jin , Kostyantyn M. Borysenko , M. Buongiorno Nardelli , Ki Wook Kim

The temperature dependent Hall mobility data from La-doped SrTiO3 thin films has been analyzed and modeled considering various electron scattering mechanisms. We find that a ~6 meV transverse optical phonon (TO) deformation potential…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Amit Verma , Adam P. Kajdos , Tyler A. Cain , Susanne Stemmer , Debdeep Jena

The growth and the density dependence of the low temperature mobility of a series of two-dimensional electron systems confined to un-intentionally doped, low extended defect density InAs quantum wells with Al$_{1-x}$Ga$_{x}$Sb barriers are…

This paper investigates the mobility of electrons scattering from the coupled system of electrons and longitudinal optical (LO) phonons in n-type GaAs. The Boltzmann equation is solved exactly for low electric fields by an iterative method,…

Condensed Matter · Physics 2016-08-31 B. A. Sanborn

We propose and study theoretically a new mechanism of electron-impurity scattering in doped seminconductors with large dielectric constant. It is based upon the idea of \textit{vector} character of deformations caused in the crystalline…

Mesoscale and Nanoscale Physics · Physics 2022-09-26 Khachatur G. Nazaryan , Mikhail Feigel'man

We calculate an electron-phonon scattering and intrinsic transport properties of black phosphorus monolayer using tight-binding and Boltzmann treatments as a function of temperature, carrier density, and electric field. The low-field…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Yuri Trushkov , Vasili Perebeinos

We report on the vapor-solid growth of single crystalline few-layer MoS2 films on (0001)-oriented sapphire with excellent structural and electrical properties over centimeter length scale. High-resolution X-ray diffraction scans indicated…

Materials Science · Physics 2015-06-19 Lu Ma , Digbijoy N. Nath , Edwin W. Lee , Choong Hee Lee , Aaron Arehart , Siddharth Rajan , Yiying Wu

We have characterized phase coherence length, spin orbit scattering length, and the Hall factor in n-type MoS2 2D crystals via weak localization measurements and Hall-effect measurements. Weak localization measurements reveal a phase…

Mesoscale and Nanoscale Physics · Physics 2013-08-06 Adam T. Neal , Han Liu , Jiangjiang Gu , Peide D. Ye

Intrinsic electron- and hole-phonon interactions are investigated in monolayer transition metal dichalcogenides MX$_2$ (M=Mo,W; X=S,Se) based on a density functional theory formalism. Due to their structural similarities, all four materials…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Zhenghe Jin , Xiaodong Li , Jeffrey Thomas Mullen , Ki Wook Kim

The deposition of a high-$\kappa$ oxide overlayer is known to significantly enhance the room-temperature electron mobility in single-layer MoS$_{2}$ (SLM) but not in single-layer graphene (SLG). We give a quantitative account of how this…

Materials Science · Physics 2014-09-04 Zhun-Yong Ong , Massimo V. Fischetti

The ultimate limitations on carrier mobilities in metal dichalcogenides, and the dynamics associated with carrier relaxation, are unclear. We present measurements of the frequency-dependent conductivity of multilayer dichalcogenide MoS2 by…

Materials Science · Physics 2014-12-10 Jared H. Strait , Parinita Nene , Farhan Rana

The in-plane electron mobility has been calculated in InAs/GaSb type-II superlattices at low temperatures. The interface roughness scattering and ionized impurity scattering are investigated as the dominant scattering mechanisms in limiting…

Materials Science · Physics 2015-02-10 Sara Safa , Asghar Asgari

We theoretically calculate the phonon scattering limited electron mobility in extrinsic (i.e. gated or doped with a tunable and finite carrier density) 2D graphene layers as a function of temperature $(T)$ and carrier density $(n)$. We find…

Mesoscale and Nanoscale Physics · Physics 2008-05-12 E. H. Hwang , S. Das Sarma
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