English
Related papers

Related papers: Electrical conductivity of vanadium dioxide switch…

200 papers

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…

We experimentally investigate the effect of electron temperature on transport in the two-dimensional Dirac surface states of the three-dimensional topological insulator HgTe. We find that around the minimal conductivity point, where both…

The isochoric thermal conductivity of solid nitrogen has been investigated on four samples of different densities in the temperature interval from 20 K to the onset of melting. In alfa-N2 the isochoric thermal conductivity exhibits a…

Disordered Systems and Neural Networks · Physics 2009-11-10 V. A. Konstantinov , V. G. Manzhelii , V. P. Revyakin , V. V. Sagan

We have measured electron transport in small bundles of identical conducting Molybdenum Selenide nanowires where the number of weakly interacting one-dimensional chains ranges from 1-300. The linear conductance and current in these…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Latha Venkataraman , Yeon Suk Hong , Philip Kim

While cryogenic-temperature subthreshold swing (SS) in crystalline semiconductors has been widely studied, a careful study on the temperature-dependent SS in amorphous oxide semiconductors remains lacking. In this paper, a comprehensive…

Electrostatic control of the metal-insulator transition (MIT) in an oxide semiconductor could potentially impact the emerging field of oxide electronics. Vanadium dioxide is of particular interest due to the fact that the MIT happens in the…

The satisfactory explanation of abnormal electromagnetics in thin graphite-like carbon films till now is absent. The most comprehensible explanation may be the high-temperature superconductivity (HTSC). Times of spasmodic switching of…

Superconductivity · Physics 2007-05-23 S. G. Lebedev , V. E. Yants , A. S. Lebedev

Using isothermal and temperature-dependent electrical measurements, we investigated the resistive switching mechanism of amorphous titanium oxide thin films deposited by a plasma-enhanced atomic layer deposition method between two aluminum…

Materials Science · Physics 2015-05-14 Hu Young Jeong , Jeong Yong Lee , Min-Ki Ryu , Sung-Yool Choi

A tunable conductivity has been achieved by controllable substitution of a novel UV light activated electronic conductor. The transparent conducting oxide system H-doped Ca12-xMgxAl14O33 (x = 0; 0.1; 0.3; 0.5; 0.8; 1.0) presents a…

Materials Science · Physics 2009-11-10 M. I. Bertoni , T. O. Mason , J. E. Medvedeva , A. J. Freeman , K. R. Poeppelmeier , B. Delley

The electron transport in inhomogeneous quasi-one-dimensional conducting channels on the liquid helium surface are studied in the temperature range 0.6-1.5 K. Inhomogeneities are created by charging the substrate on which the conducting…

Strongly Correlated Electrons · Physics 2009-11-13 Yu. Z. Kovdrya , V. A. Nikolaenko , A. V. Smorodin

We demonstrate that the superconducting critical temperature (Tc) of thin niobium films can be electrically modulated in a liquid-gated geometry device. Tc can be suppressed and enhanced by applying positive and negative gate voltage,…

Mesoscale and Nanoscale Physics · Physics 2014-07-16 Jiman Choi , Pradheesh R. , Hyungsang Kim , Hyunsik Im , Yonuk Chong , Dong-Hun Chae

The shape of experimentally observed R(T) transition of thin superconducting wires is analyzed. Broadening of the transition in quasi-1-dimensional superconducting channels is typically associated with phase slip mechanism provided by…

Superconductivity · Physics 2009-04-07 M. Zgirski , K. Yu. Arutyunov

We investigate the effects of magnetic and electric fields on electron wavefunction interactions in single walled carbon nanotube bundles. The magnetoresistance measurements performed at 4.2K and the dependence of the data upon the electric…

Mesoscale and Nanoscale Physics · Physics 2010-09-15 M. Salvato , M. Lucci , I. Ottaviani , M. Cirillo , S. Orlanducci , F. Toschi , M. L. Terranova

Materials that undergo reversible metal-insulator transitions are obvious candidates for new generations of devices. For such potential to be realised, the underlying microscopic mechanisms of such transitions must be fully determined. In…

In passive sky-facing radiative cooling, wavelength-selective thermal emitters in the atmospheric transparency window of 8-13 $\mu$m can reach lower temperatures compared to broadband emitters, but broadband emitters always have higher…

Optics · Physics 2025-06-16 Yeonghoon Jin , Jin-Woo Cho , Mikhail A. Kats

Effective electron mobilities are obtained by transport measurements on InAs nanowire field-effect transistors at temperatures ranging from 10-200 K. The mobility increases with temperature below ~ 30 - 50 K, and then decreases with…

Mesoscale and Nanoscale Physics · Physics 2013-05-27 Nupur Gupta , Yipu Song , Gregory W. Holloway , Urbasi Sinha , Chris Haapamaki , Ray R. LaPierre , Jonathan Baugh

The results of low temperature thermoelectric power and the specific heat of 1T-VSe2 (Vanadium diselenide) have been reported along with the electrical resistivity, and Hall coefficient of the compound. The Charge Density Wave (CDW)…

Materials Science · Physics 2015-05-13 C. S. Yadav , A. K. Rastogi

In this work, we present the investigation of temperature dependent hall measurement of the ultra thin VO$_2$ films grown on Si/SiO$_2$ substrate. Experimental results suggest that electrons are the predominant carrier both in the…

Materials Science · Physics 2016-09-19 Fangfang Song , B. E. White.

Temperature dependent magneto-transport measurements in magnetic fields of up to 12 Tesla were performed on thin film vanadium dioxide (VO2) across the metal-insulator transition (MIT). The Hall carrier density increases by 4 orders of…

The negative differential thermal conductance (NDTC) provides the key mechanism for realizing thermal transistors. This exotic effect has been the object of an extensive theoretical investigation, but the implementation is still limited to…

Mesoscale and Nanoscale Physics · Physics 2023-04-17 Shobhit Saheb Dey , Giuliano Timossi , Luigi Amico , Giampiero Marchegiani