Results 231 to 240 of about 14,530 (266)

InGaP/GaAs/InGaAs Multijunction Flexible Photovoltaics With Chemical Robustness and Radiation Hardness for Unassisted Electrocatalysis and Space Applications

Advanced Energy Materials, EarlyView.
A flexible InGaP/GaAs/InGaAs triple‐junction platform encapsulated with ultrathin glass enables unassisted electrocatalysis and space applications by providing robust protection against chemically aggressive and radiation‐rich environments. This work establishes a unified III–V multijunction photovoltaic platform that bridges space photovoltaics and ...
Sukkyu Hong, Seungwan Woo, Hoki Son, Hyun‐Beom Shin, Eungbeom Yeon, Jeongeun Mo, Daehwan Jung, Ho Won Jang, Ho Kwan Kang, Sung‐Min Lee, Won Jun Choi   +10 more
wiley   +1 more source

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TUNNELING MAGNETORESISTANCE IN FERROMAGNETIC SEMICONDUCTOR TUNNEL JUNCTIONS

International Journal of Modern Physics B, 2004
Taking into account the basic physics of diluted ferromagnetic semiconductors (DMS), we use the tunneling Hamiltonian approach to studying the spin-polarized transport in GaMnAs / AlAs / GaMnAs DMS tunnel junctions. It is found that the splitting, Fermi energies, and the hole concentration for a fixed Mn impurity density vary with temperature, which ...
Tao, Y. C., Hu, J. G.
openaire   +1 more source

Magnetic Tunnel Junctions

2010
No abstract.
Swagten, H.J.M., Paluskar, P.V.
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d-Wave Tunnel Junctions

International Journal of Modern Physics B, 1999
We study the tunneling spectra for superconductor-insulator-normal metal (S-I-N) tunnel junctions with an s -wave or a d -wave superconductor within the weak-coupling model. We deduce the temperature behavior of tunneling conductance and their peak positions as well as of the zero-bias conductance.
CUCOLO, Anna Maria, CUOCO M, NOCE, Canio
openaire   +2 more sources

Polysilicon tunnel junctions as alternates to diffused junctions

2008
23rd European Photovoltaic Solar Energy Conference and Exhibition, 1-5 September 2008, Valencia, Spain; 1149 ...
Borden, P., Xu, L., McDougall, B., Chang, C.P., Pysch, D., Voisin, P., Glunz, S.W.   +6 more
openaire   +1 more source

Squeezable tunneling junctions

IBM Journal of Research and Development, 1986
Squeezable tunneling junctions establish the current state of the art for resistance stability of mechanically adjustable tunneling structures at ΔR/R ≈ 0.1%. This is sufficient for use in connection with spectroscopies as subtle as phonon spectroscopy, but it is marginal and cannot at present be maintained to high enough bias voltage to permit ...
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Tunnel junctions with multiferroic barriers

Nature Materials, 2007
Multiferroics are singular materials that can exhibit simultaneously electric and magnetic orders. Some are ferroelectric and ferromagnetic and provide the opportunity to encode information in electric polarization and magnetization to obtain four logic states.
Martin, Gajek, Manuel, Bibes, Stéphane, Fusil, Karim, Bouzehouane, Josep, Fontcuberta, Agnès, Barthélémy, Albert, Fert   +6 more
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Thermometry by Arrays of Tunnel Junctions

Physical Review Letters, 1994
We show that arrays of tunnel junctions between normal metal electrodes exhibit features suitable for primary thermometry in an experimentally adjustable temperature range where thermal and charging effects compete. $I\ensuremath{-}V$ and $\frac{\mathrm{dI}}{\mathrm{dV}}$ vs $V$ have been calculated for two junctions including a universal analytic high
, Pekola, , Hirvi, , Kauppinen, , Paalanen   +3 more
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Thermoelectricity in Molecular Tunnel Junctions

Chemical Reviews
The growing interest in thermoelectric energy conversion technologies has recently extended to the molecular scale, with molecular tunnel junctions emerging as promising platforms for energy harvesting from heat in a quantum-tunneling regime. This Review explores the advances in thermoelectricity within molecular junctions, highlighting the unique ...
Peng He, Jiung Jang, Hungu Kang, Hyo Jae Yoon   +3 more
openaire   +2 more sources