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A combined high-pressure experimental and theoretical study of the electronic band-structure of scheelite-type AWO4 (A = Ca, Sr, Ba, Pb) compounds
high-pressure experimental theoretical study the electronic band-structure scheelite-type AWO4
2011/8/17
Abstract: The optical-absorption edge of single crystals of CaWO4, SrWO4, BaWO4, and PbWO4 has been measured under high pressure up to ~20 GPa at room temperature. From the measurements we have obtain...
Theoretical study of Acousto-optical coherence tomography using random phase jumps on US and light
Acousto-optical random phase jumps coherence tomography
2011/9/6
Acousto-Optical Coherence Tomography (AOCT) is variant of Acousto Optic Imaging (called also ultrasonic modulation imaging) that makes possible to get z resolution with acoustic and optic Continuous W...
Experimental and theoretical study of processes of formation and growth of pearlite colonies in eutectoid steels
Experimental theoretical study of processes of formation pearlite colonies
2010/11/25
We describe our optical and electron-microscopy observations of pearlite structures in eutectoid steels which seem to imply that the mechanisms of formation of pearlite colonies in these steels differ...
Theoretical Study of the Soft Optic Mode Scattering in a Relaxor Ferroelectric: the Strong Effect of the Depolarizing Fields
Theoretical Study of the Soft Optic Mode Scattering Relaxor Ferroelectric Depolarizing Fields
2010/11/19
We analyze scattering of the transverse optic modes by spherically symmetric Polarized Nano Regions (PNR) in the paraelectric phase of relaxor ferroelectrics. Calculations have done in the frame of me...
Theoretical Study of Electronic Properties of the Semi-Conductors AlN and GaN With the Empirical Pseudopotential Method EPM
Empirical Pseudo-potential Method (EPM) nitride aluminium nitride gallium compounds III-N semi-conductors wide band gap semi-conductors energy gap charge density
2010/4/9
The electronic structure of binary compounds AlN and GaN are presented. We have used the empirical pseudo-potential method. Good agreement between the calculated results and experiment is obtained. Th...
A Theoretical Study on e--CO Elastic Collision Using the Configuration Interaction Method to Describe the Target
e--CO Elastic Collision the Configuration Interaction Method the Target
2010/10/15
It is presented a theoretical study on electron -CO collisions in the (5-20) eV energy range. Specifically, elastic differential cross sections (DCS) are calculated using the configuration interaction...
A Theoretical Study on Silicon and III-V Compound Nanotubes
silicon nanotube first principles calculations
2010/4/12
In this paper we present a theoretical study on single-wall silicon and III-V compound nanotubes. First principles plane wave calculations within density functional theory are used to predict energe...
A Theoretical Study of Acrylonitrile Adsorption on Si(001)
A Theoretical Study Acrylonitrile Adsorption Si(001)
2010/10/22
The present work is a comparative study of possible adsorption structures of the conjugated molecule acrylonitrile on Si(001) employing the state of the art pseudopotential method, within a generalize...