Results 31 to 40 of about 351,150 (284)

Introduction to tensorial resistivity probability tomography

open access: yes, 2005
The probability tomography approach developed for the scalar resistivity method is here extended to the 2D tensorial apparent resistivity acquisition mode.
Mauriello, Paolo, Patella, Domenico
core   +1 more source

Indeterminacy and instability in Petschek reconnection [PDF]

open access: yes, 2013
We explain two puzzling aspects of Petschek's model for fast reconnection. One is its failure to occur in plasma simulations with uniform resistivity. The other is its inability to provide anything more than an upper limit for the reconnection rate.
Daniel B. Seaton   +8 more
core   +2 more sources

High Temperature Oxidized SnO2 Films Prepared by Reactive Sputtering

open access: yesActive and Passive Electronic Components, 1987
Undoped and Sb-doped tin oxide films were prepared by d.c. reactive ion sputtering in an argon atmosphere with oxygen partial pressures ranging from 0 to 50%. The films were anneled in oxygen in the temperature range 360 - 893℃.
G. Beensh-Marchwicka   +2 more
doaj   +1 more source

Dependence of Electrical and Optical Properties of Sol-gel-derived SnO2 Thin Films on Sb-substitution

open access: yesMedžiagotyra, 2019
In the present work, Sb-doped SnO2 (ATO) thin films were deposited on Si substrates by spin-coating method and the influence of Sb-doping on surface roughness, structural, optical and electrical properties has been investigated.
Elisée MUHIRE   +3 more
doaj   +1 more source

Anisotropy of the In-Plane and Out-of-Plane Resistivity and the Hall Effect in the Normal State of Vicinal-Grown YBa2Cu3O7−δ Thin Films

open access: yesNanomaterials, 2021
The resistivity and the Hall effect in the copper-oxide high-temperature superconductor YBa2Cu3O7-δ (YBCO) are remarkably anisotropic. Using a thin film of YBCO grown on an off-axis cut SrTiO3 substrate allows one to investigate these anisotropic ...
Gernot Heine   +3 more
doaj   +1 more source

Interplay between phonon and impurity scattering in 2D hole transport

open access: yes, 2012
We investigate temperature dependent transport properties of two-dimensional p-GaAs systems taking into account both hole-phonon and hole-impurity scattering effects. By analyzing the hole mobility data of p-GaAs in the temperature range 10 K$
Hwang, E. H., Min, Hongki, Sarma, S. Das
core   +1 more source

Predicting the movements of permanently installed electrodes on an active landslide using time-lapse geoelectrical resistivity data only [PDF]

open access: yes, 2010
If electrodes move during geoelectrical resistivity monitoring and their new positions are not incorporated in the inversion, then the resulting tomographic images exhibit artefacts that can obscure genuine time-lapse resistivity changes in the ...
Chambers, Jonathan E.   +5 more
core   +1 more source

Testing of resistivity of dense ash slurry and return water from 'Kostolac A' thermal power plant under laboratory conditions [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2015
The paper presents the measured results of the resistivity values of dense ash slurry and return water mixture originating from the 'Kostolac A' thermal power plant.
Kostić Vojin   +4 more
doaj   +1 more source

Study on the Effect of Cold Deformation and Heat Treatment on the Properties of Cu-Ag Alloy Wire

open access: yesMicromachines, 2023
The effects of various drawing parameters and annealing processes on the structure and properties of Cu-Ag wires, containing 1 wt% silver, were investigated using specialized equipment including fine wire-drawing machines, very fine wire-drawing machines,
Xuefeng Wu   +4 more
doaj   +1 more source

Hall resistance in the hopping regime, a "Hall Insulator"?

open access: yes, 1995
The Hall conductivity and resistivity of strongly localized electrons at low temperatures and at small magnetic fields are obtained. It is found that the results depend on whether the conductivity or the resistivity tensors are averaged to obtain the ...
A. G. Aronov   +13 more
core   +1 more source

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