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We report measurements of the spatial dependence of the electron energy distribution in carbon nanotubes, from which electron interactions are determined. Using nonequilibrium tunneling spectroscopy with multiple superconducting probes, we…

Mesoscale and Nanoscale Physics · Physics 2015-04-17 Nicholas Bronn , Nadya Mason

Gate capacitances of back-gated nanowire field-effect transistors (NW-FETs) are calculated by means of finite element methods and the results are compared with analytical results of the ``metallic cylinder on an infinite metal plate…

Other Condensed Matter · Physics 2009-11-11 Olaf Wunnicke

The surface of a three dimensional topological insulator (TI) hosts surface states whose properties are determined by a Dirac-like equation. The electronic system on the surface of TI nanowires with polygonal cross-sectional shape adopts…

Mesoscale and Nanoscale Physics · Physics 2025-03-28 Hallmann Oskar Gestsson , Andrei Manolescu , Jens H. Bardarson , Sigurdur I. Erlingsson

Single crystal ZnO nanowires doped with indium are synthesized via the laser-assisted chemical vapor deposition method. The conductivity of the nanowires is measured at low temperatures in magnetic fields both perpendicular and parallel to…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Richard S. Thompson , Dongdong Li , Christopher M. Witte , Jia G. Lu

We have investigated the main scattering mechanisms affecting mobility in graphene nanoribbons using detailed atomistic simulations. We have considered carrier scattering due to acoustic and optical phonons, edge roughness, single defects,…

Mesoscale and Nanoscale Physics · Physics 2011-03-03 Alessandro Betti , Gianluca Fiori , Giuseppe Iannaccone

The effects of an atomistic interface roughness in n-type silicon nanowire transistors (SiNWT) on the radio frequency performance are analyzed. Interface roughness scattering (IRS) is statistically investigated through a three dimensional…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 SungGeun Kim , Mathieu Luisier , Timothy B. Boykin , Gerhard Klimeck

Temperature dependent Ferromagnetic Resonance measurements performed as a function of diameter on Nickel nanowire arrays reveal several interesting features in these systems. With diameter decrease from 100 nm to 15 nm, a transition induced…

Materials Science · Physics 2015-03-13 C. Tannous , A. Ghaddar , J. Gieraltowski

We investigate the quantum transport through a single-wall carbon nanotube connected to leads in the presence of an external radiation field. We analyze the conductance spectrum as a function of the frequency and strength of the field. We…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 P. A. Orellana , M. Pacheco

We present results from an experimental study of the equilibrium and non-equilibrium transport properties of vanadium oxide nanobeams near the metal-insulator transition (MIT). Application of a large electric field in the insulating phase…

Strongly Correlated Electrons · Physics 2015-10-28 Adam A. Stabile , Sujay K. Singh , Tai-lung Wu , Luisa Whittaker , Sarbajit Banerjee , G. Sambandamurthy

The transport properties of high-performance thin-film transistors (TFT) made with a regio-regular poly(thiophene) semiconductor (PQT-12) are reported. The room-temperature field-effect mobility of the devices varied between 0.004 cm2/V s…

Materials Science · Physics 2009-11-10 A. Salleo , T. W. Chen , A. R. Voelkel , Y. Wu , P. Liu , B. S. Ong , R. A. Street

Two-dimensional (2D) nanoparticle films are a new class of materials with interesting physical properties and applications ranging from nanoelectronics to sensing and photonics. The importance of conducting nanoparticle films makes the…

Materials Science · Physics 2022-04-12 Lianhua Zhang , Jian Chen , Fei Liu , Zhengyang Du , Yilun Jiang , Min Han , Guanghou Wang

We have developed nano-scale double-gated field-effect-transistors for the study of electron states and transport properties of single deliberately-implanted phosphorus donors. The devices provide a high-level of control of key parameters…

The electrical and optical response of a field-effect device comprising a network of semiconductor-enriched single-wall carbon nanotubes, gated with sodium chloride solution is investigated. Field-effect is demonstrated in a device that…

Mesoscale and Nanoscale Physics · Physics 2010-09-24 Manu Jaiswal , C. S. Suchand Sangeeth , Wei Wang , Ya-Ping Sun , Reghu Menon

The novel technique based on air-gap transistor stamps enabled realization of the intrinsic (not dominated by static disorder) transport of the electric-field-induced charge carriers on the surface of rubrene crystals over a wide…

Materials Science · Physics 2009-11-10 V. Podzorov , E. Menard , A. Borissov , V. Kiryukhin , J. A. Rogers , M. E. Gershenson

By using non-equilibrium molecular dynamics simulations, we demonstrated that thermal conductivity of Germanium nanowires can be reduced more than 25% at room temperature by atomistic coating. There is a critical coating thickness beyond…

Materials Science · Physics 2016-09-21 Jie Chen , Gang Zhang , Baowen Li

New calculations of the thermal and electrical electron conductivities are performed for a broad range of physical parameters typical for envelopes of neutron stars and cores of white dwarfs. We consider stellar matter composed of…

Astrophysics · Physics 2011-05-23 A. Y. Potekhin , D. A. Baiko , P. Haensel , D. G. Yakovlev

New two diemensional structures nanoribbon including phosphorus and germanium atoms are introduced for the nanoelectronic applications. Under various bias voltages, the electronic transport in the systems have been studied within the…

Mesoscale and Nanoscale Physics · Physics 2018-01-09 Maryam Azizi , Badie Ghavami

We study theoretically the electronic structure, transport and optical properties for a zigzag single-wall carbon nanotube connected to two normal conductor leads under the irradiation of an external electromagnetic field at low…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Wenhu Liao , Guanghui Zhou , Kai-He Ding

We present new data and a compact mobility model for single-wall carbon nanotubes, with only two adjustable parameters, the elastic and inelastic collision mean free paths at 300 K. The mobility increases with diameter, decreases with…

Mesoscale and Nanoscale Physics · Physics 2010-03-23 Y. Zhao , A. Liao , E. Pop

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,…

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