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Related papers: Electron Transport in InAs-InAlAs Core-Shell Nanow…

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We report direct experimental evidence that the insulating phase of a disordered, yet strongly interacting two-dimensional electron system (2DES) becomes unstable at low temperatures. As the temperature decreases, a transition from…

Mesoscale and Nanoscale Physics · Physics 2008-01-15 M. Baenninger , A. Ghosh , M. Pepper , H. E. Beere , I. Farrer , D. A. Ritchie

Magneto-transport measurements of ferromagnetic MnAs epilayers grown by molecular beam epitaxy reveal the presence of both positive and negative charge carriers. Electrical transport at high temperatures is dominated by holes, and at low…

Materials Science · Physics 2009-11-07 J. J. Berry , S. J. Potashnik , S. H. Chun , K. C. Ku , P. Schiffer , N. Samarth

Short nanopores find extensive applications capitalizing on their high throughput and detection resolution. Ionic behaviors through long nanopores are mainly determined by charged inner-pore walls. When pore lengths decrease to sub-200 nm,…

Chemical Physics · Physics 2024-02-19 Long Ma , Zhe Liu , Bowen Ai , Jia Man , Jianyong Li , Kechen Wu , Yinghua Qiu

The anisotropic electron transport in the (001) plane of sublimation-grown Cl$_{2}$-NDI (naphthalene diimide) single crystals is analysed over a temperature range between 175 K and 300 K. Upon cooling from room temperature to 175 K the…

Nonchiral single wall carbon nanotubes with an "armchair" wrapping are theoretically predicted to be conducting, and high purity samples consisting predominantly of these tubes exhibit metallic behavior with an intrinsic resistivity which…

The low-temperature transport properties of a molecule are studied in the field-effect transitor geometry. The molecule has an internal mechanical mode that modulates its electronic levels and renormalizes both the interactions and the…

Strongly Correlated Electrons · Physics 2008-01-23 P. S. Cornaglia , Gonzalo Usaj , C. A. Balseiro

InAs quantum wells (QWs) grown on InP substrates are interesting for their applications in devices with high spin-orbit coupling (SOC) and their potential role in creating topologically nontrivial hybrid heterostructures. These QWs rely on…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 C. P. Dempsey , J. T. Dong , I. Villar Rodriguez , Y. Gul , S. Chatterjee , M. Pendharkar , S. N. Holmes , M. Pepper , C. J. Palmstrøm

We have fabricated indium-doped ZnO (IZO) nanowires (NWs) and carried out 4-probe electrical-transport measurements at low temperatures. The NWs reveal charge conduction behavior characteristic of disordered metals. In addition to the $T$…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Shao-Pin Chiu , Jia G. Lu , Juhn-Jong Lin

We calculate the charge and heat currents carried by electrons, originating from a temperature gradient and a chemical potential difference between the two ends of tubular nanowires with different geometries of the cross-sectional areas:…

Mesoscale and Nanoscale Physics · Physics 2023-06-14 Hadi Rezaie Heris , Kristjan Ottar Klausen , Anna Sitek , Sigurdur Ingi Erlingsson , Andrei Manolescu

Indium Arsenide is a III-V semiconductor with low electron effective mass, a small band gap, strong spin-orbit coupling, and a large g-factor. These properties and its surface Fermi level pinned in the conduction band make InAs a good…

Mesoscale and Nanoscale Physics · Physics 2025-01-24 Giulio Senesi , Katarzyna Skibinska , Alessandro Paghi , Gaurav Shukla , Francesco Giazotto , Fabio Beltram , Stefan Heun , Lucia Sorba

The low-field electron mobility in rectangular silicon nanowire (SiNW) transistors was computed using a self-consistent Poisson-Schr\"{o}dinger-Monte Carlo solver. The behavior of the phonon-limited and surface-roughness-limited components…

Materials Science · Physics 2016-11-17 E. B. Ramayya , D. Vasileska , S. M. Goodnick , I. Knezevic

Transport properties of holes in InP nanowires were calculated considering electron-phonon interaction via deformation potentials, the effect of temperature and strain fields. Using molecular dynamics, we simulate nanowire structures,…

We report electronic transport measurements on two-dimensional electron gases in a Ga[Al]As heterostructure with an embedded layer of InAs self-assembled quantum dots. At high InAs dot densities, pronounced Altshuler-Aronov-Spivak…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 T. Heinzel , R. D. Jaeggi , E. Ribeiro , M. v. Waldkirch , K. Ensslin , S. E. Ulloa , G. Medeiros-Ribeiro , P. M. Petroff

Using all atom molecular dynamics (MD) simulations, we have studied the mechanical properties of ZnS/CdS core/shell nanowires. Our results show that the coating of a few atomic layer CdS shell on the ZnS nanowire leads to a significant…

Materials Science · Physics 2015-03-17 Taraknath Mandal , Chandan Dasgupta , Prabal K. Maiti

Coronal loops are fundamental building blocks of the solar active regions and the corona. Therefore, a clear understanding of the physics of coronal loops will help us understand the physics of active region heating in particular and…

Solar and Stellar Astrophysics · Physics 2011-02-11 D. Tripathi , H. E. Mason , B. N. Dwivedi , G. Del Zanna , P. R. Young

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

We study the effect of localized Joule heating on the mechanical properties of doubly clamped nanowires under tensile stress. Local heating results in systematic variation of the resonant frequency; these frequency changes result from…

Mesoscale and Nanoscale Physics · Physics 2016-10-06 John P. Mathew , Raj Patel , Abhinandan Borah , Carina B. Maliakkal , T. S. Abhilash , Mandar M. Deshmukh

Low-temperature experiments are performed on novel nanoscale nonlinear devices (ballistic rectifiers) as well as nano-structured artificial materials, fabricated from an InP/InGaAs quantum well wafer. A DC output is generated between the…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. Löfgren , I. Shorubalko , P. Omling , A. M. Song

The depth distribution of the transport properties as well as the temperature dependence of the low field magneto-conductance for several c-axis oriented GaN nanowall network samples grown with different average wall-widths are…

Mesoscale and Nanoscale Physics · Physics 2014-11-04 H. P. Bhasker , Varun Thakur , S. M. Shivaprasad , S. Dhar

The intrinsic carrier transport dynamics in phosphorene is theoretically examined. Utilizing a density functional theory treatment, the low-field mobility and the saturation velocity are characterized for both electrons and holes in the…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 Zhenghe Jin , Jeffrey T. Mullen , Ki Wook Kim