Colle, M. Rudan, Band-structure calculations of SiO2 by means of Hartree-Fock and density-functional techniques, IEEE Trans. Electron Dev. 47 (2000) 1795-1803.Gnani, E., Reggiani, S., Colle, R. and Rudan, M. (2000) Band-structure calculations of SiO2 by means of Hartree-Fock and ...
Fitting, XPS analysis and valence band structure of a low-dimensional SiO2/Si system after Si+ ion implantation, Phys. Status Solidi A 208 (2011) 1658.Zatsepin, D. A.; Mack, P.; Wright, A. E.; Schmidt, B.; Fitting, H. - J. XPS Analysis and Valence Band Structure of a Low-...
Opals are made up of nearly spherical particles of amorphous silica a-SiO2 of several hundred nanometers in diameter, which tend to form by self-assembling a close-packed structure with symmetry, to a first approximation, of an fcc lattice. Opals have voids between a-SiO2 spheres, which ...
Photonic Bandgap Materials, Electronic States of Measuring the Photonic Band Structure In conclusion, a few experimental methods for measuring the photonic band structure are mentioned. The frequency window of a photonic bandgap can be obtained by transmission (or reflection) measurements. The conceptually...
These authors proposed that the enhancement of efficiency was caused by the suppression of charge recombination at the FTO/electrolyte interface and increased carrier lifetime provided by multistep electron transport down the cascading band structure. As the bottom of the conduction band of SiO2 is ...
The energy band structures of the Bi SiO and Bi GeO single crystals were calculated using a local pseudopotential method. An iteration procedure was carried out by use of increasing number of plane waves (up to 1500) until the required energy eigenvalue stability was less than 0.02 Ry. An ag...
Ballistic electron-emission spectroscopy (BEES) and photoluminescence are used to study conduction-band structure related transport properties of the 4H and 6H polytypes of SiC. A secondary energy threshold at 2.7 eV is observed in the BEES spectrum of 4H-SiC, in good agreement with a value of ...
Fig. 1: Structure and morphology of Te nanosheets. aCrystal structure of trigonal Te (left image) in which spheres of different colors represent Te atoms within the helical chains (shaded region) arranged in a hexagonal array along the growth direction, i.e., thec-axis. Pattern with blue ...
11.5 CONDUCTION BAND STRUCTURE AND EFFECTIVE MASS IN DISORDERED GaNxAs1-x We can gain further insight into the band structure of a disordered GaNNMAsN-M supercell by first diagonalising the M×M matrix linking the individual N states, |ψα〉, to get M nitrogen cluster states, ΦNl, with ...
This CNL model is a zeroth-order, but fully parameterised model of band offsets, in which the CNLs are determined by the bulk electronic structure of oxide and Si. The local bonding at the interface does not enter in this model. The CNL acts like the mean electronegativity of the semicond...