The simulated amorphous silicon networks have structural parameters which are generally in better agreement with experimental results than previous numerical studies. In particular, the average first coordination result of 3.96 for the annealed structure is closer to the experimental result of 3.90 than ...
The dielectric function of thin‐film hydrogenated amorphous silicon (a‐Si:H) grown on fused silica at different substrate temperatures has been investigated by spectroscopic ellipsometry. An improved interpretation of the ellipsometric data is based on a tetrahedron model that takes into account the ...
We discuss the nature and density of defects in pure amorphous silicon, under the light of recent hydrogenation experiments. It is argued that a reliable measure of defect densities can be obtained by counting the number of hydrogen atoms that can be incorporated in a pure starting material by ...
A process for producing a thin film transistor (TFT), having an amorphous silicon semiconductor layer and n-doped amorphous silicon drain and source contac... J Glueck,S Henke 被引量: 26发表: 1998年 Correlation effects and the density of states in amorphous silicon The evaluation of the densi...
We discuss the nature and density of defects in pure amorphous silicon, under the light of recent hydrogenation experiments. It is argued that a reliable measure of defect densities can be obtained by counting the number of hydrogen atoms that can be incorporated in a pure starting material by ...
On the analysis of space-charge-limited current—voltage characteristics and the density of states in amorphous siliconAn expression is derived for the current-voltage characteristic under space-charge-limited conditions when the density of deep states increases exponentially with energy above the Fermi ...
Photothermal deflection spectroscopy measurements have been performed on amorphous silicon (a-Si) films produced by ion bombardment of crystalline silicon (c-Si). The analysis of the sub-bandgap optical absorption data provides, for the first time, detailed information about the localized density-of-...
Luminescence studies of plasma-deposited hydrogenated silicon The photoluminescence of plasma-deposited amorphous silicon is investigated. The luminescence intensity and spectral line shape are shown to be sensitive to many deposition variables, in particular the power coupled into the discharge, t... RA...
The Young’s modulus of our model shows a decrease of 3.5×1011 dyn/cm2 from the average Young’s modulus in the crystal, which is close to the observed decrease. We also exhibit the density of states for our model of amorphous silicon and compare it to the observed density of states....
Structure and Properties of Amorphous Silicoaluminas. I. Structure from X-Ray Fluorescence Spectroscopy and Infrared Spectroscopy X-Ray fluorescence spectroscopy permits a direct computation of the coordination numbers of aluminum and silicon in amorphous silicoaluminas while infrared spectroscopy is used esse...