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Large tunable photonic band gaps in nanostructured doped semiconductors
Large tunable photonic nanostructured doped semiconductors
2010/11/16
A plasmonic nanostructure conceived with periodic layers of a doped semiconductor and passive semiconductor is shown to generate spontaneously surface plasmon polaritons thanks to its periodic nature...
Electronic structure of pristine and K-doped solid picene: Non-rigid-band change and its implication for electron-intramolecular-vibration interaction
Electronic structure of pristine K-doped solid picene: Non-rigid-band change electron-intramolecular-vibration interaction
2010/11/19
We use photoemission spectroscopy to study electronic structures of pristine and K-doped
solid picene. The valence band spectrum of pristine picene consists of three main features
with no state at t...
Growth and microindentation analysis of pure and doped Sb2Se3 crystals
Sb2Se3 microindentation energy gap doping
2010/4/8
Pure and doped antimony selenide (Sb2Se3, Sb2Se2.8Te0.2, and Sb2Se2.6Te0.4) crystals have been grown from melt by the Bridgman Stockbarger method. X-ray powder diffraction analysis was carried out to ...
Electronic States in n-Type GaAs Delta-Doped Quantum Wells Under Hydrostatic Pressure
GaAs Delta-doping Hydrostatic pressure
2010/9/25
The calculation of the electronic energy levels of n-type d-doped quantum wells in a GaAs matrix is presented. The effects of hydrostatic pressure on the band structure are taken into account speciall...
Efficient Organic Light-Emitting Diodes with Fluorine-Doped Tin-Oxide Anode and Electrochemically Synthesized Sulfonated Polyaniline as Hole Transport Layer
Organic Light-Emitting Diodes Fluorine-Doped Tin-Oxide Anode Hole Transport Layer
2010/10/15
In this work we report efficiency measurements on light-emitting diodes with electrochemically synthesized sulfonated polyaniline as hole transport layer. The anode used in our devices is fluorine-dop...
Electronic Structure of the n-Type Doped AgInO2 and CuAlO2 Delafossites: Similarities and Differences
Electronic Structure the n-Type Doped AgInO2 and CuAlO2 Delafossites Similarities and Differences
2010/10/21
We performed the first-principles band-structure calculations for a pure and a Cd-doped AgInO2 delafossite compound. The results are carefully analyzed and compared with the results obtained for a pur...
AC Electrical Conductivity of Cr-Doped Polyaniline/Poly(Vinyl alcohol) Blends
AC Electrical Conductivity Cr-Doped Polyaniline electrochemical behavior
2010/10/22
Polyaniline (PANI) and their charge transfer complexes are engineering materials that continue to attract considerable attention from engineers due to their unique electrochemical behavior, environmen...
Electron Field Emission Measurements from Boron-Doped CVD Diamond on Tantalum
Electron Field Boron-Doped CVD Diamond Tantalum
2010/10/27
Boron-doped polycrystaline diamond films grown by hot-filament-assisted chemical vapor deposition were studied with ultraviolet photoemission spectroscopy (UPS), Raman spectroscopy, X-ray diffractomet...
Paramagnetic Defects in g-Irradiated, Pure and Doped (with As, Cl and Br) Selenium
g-Irradiated Pure Doped
2010/4/13
This paper presents results of an EPR spectrum investigation of g-irradiated (Co60 dose 107 Rad) glasses Se, SeClx, Se0.95As0.05Clx and Se0.95As0.05Brx (x=0.001--0.1) at 77 K. An analysis of spectra r...
The Temperature Dependence of the Electronic Structure of Si d-doped GaAs
d-doped GaAs electronic structure temperature-dependence
2010/4/13
We investigated theoretically the change of electronic properties of Si d-doped GaAs layer as a function of temperature. We studied the influence of temperature on the donor concentration for a nonuni...