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Error Analysis of Free Probability Approximations to the Density of States of Disordered Systems
Error Analysis Free Probability Approximations the Density of States Disordered Systems
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2014/8/21
Theoretical studies of localization, anomalous diffusion and ergodicity breaking require solving the electronic structure of disordered systems. We use free probability to approximate the ensembleaver...
An Analytical Study on the Local Electronic Density of States of the Valence Bands in Amorphous Silicon Carbide
Local valence band density of states amorphous silicon carbide hybrid orbitals
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2010/12/9
A formulation for the energy-averaged local valence band density of states of amorphous silicon carbide is derived. To this end, sp3-type hybrid orbitals are employed.
A Discussion on the Phonon Density of States of Amorphous Germanium for the Infrared Range
Phonon density of states amorphous germanium infrared range quasiharmonic approximation
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2010/12/10
A theoretical formulation for the phonon density of states of amorphous germanium in the infrared range is proposed. This formulation is based upon the quasi-harmonic approximation and is compared wit...
On the Total Electronic Density of States of Disordered Solids
Total electronic density of states small clusters disordered solids
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2010/12/10
The concept of total electronic density of states calculated for small clusters in amorphous solids is presented in a new way by using a mathematical formulation based upon matrix calculus. Furthermor...
A Brief Study to Clarify Some Aspects Related to Vibrational Density of States for the Far Infrared Range in Amorphous Semiconductors
Phonon density of states amorphous semiconductors far-infrared range
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2010/12/10
Phonon density of states of amorphous semiconductors for the far-infrared range is examined analytically. On the basis of this formulation, optical absorption corresponding to structural disorder is e...
A Small Cluster Approach for the Electronic Density of States in Amorphous Germanium
Electronic density of states amorphous germanium bonding orbitals Born model
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2010/12/10
The electronic density of states for very small clusters of amorphous germanium is calculated by using bonding orbitals. In this context, the Born model is considered as well as Pauling-type hybridize...