Search Results - "Dias da Silva, J.H."

Crystallization of amorphous GaAs films prepared onto different substrates by Campomanes, R.R, Dias da Silva, J.H, Vilcarromero, J, Cardoso, L.P

“…This work reports changes in structural properties produced by thermal annealing of flash evaporated amorphous GaAs films using the micro-Raman scattering and…”
Get full text

Disorder effects produced by the Mn and H incorporations on the optical absorption edge of Ga 1− x Mn x As:H nanocrystalline films by Pereira, André L.J., da Silva, J.H. Dias

“…The optical absorption edges of nanocrystalline Ga 1− x Mn x As:H films (0.000 ⩽ x ⩽ 0.081) prepared by sputtering were analyzed. The influence of Mn and…”
Get full text

Thermodynamic and electronic study of Ga 1 − x Mn xN films. A theoretical study by Gomes, M.C., Leite, D.M.G., Sambrano, J.R., da Silva, J.H. Dias, de Souza, A.R., Beltrán, A.

“…Periodic slab calculations based on density functional theory were performed at the B3LYP level to gain insight into the surfaces of wurtzite GaN…”
Get full text

Columnar microstructure of nanocrystalline Ga 1− x Mn x N films deposited by reactive sputtering by Leite, D.M.G., Li, T., Devillers, T., Schiaber, Z.S., Lisboa-Filho, P.N., Bonanni, A., Dias da Silva, J.H.

“…Ga 1− x Mn x N (0≤ x≤0.18) films grown onto amorphous silica substrate by reactive sputtering are characterised by high resolution transmission electron…”
Get full text

Columnar microstructure of nanocrystalline Ga1-xMnxN films deposited by reactive sputtering by LEITE, D. M. G, LI, T, DEVILLERS, T, SCHIABER, Z. S, LISBOA-FILHO, P. N, BONANNI, A, DIAS DA SILVA, J. H

Get full text

Thermodynamic and electronic study of Ga1-xMnxN films. A theoretical study by GOMES, M. C, LEITE, D. M. G, SAMBRANO, J. R, DIAS DA SILVA, J. H, DE SOUZA, A. R, BELTRAN, A

Get full text

Disorder effects produced by the Mn and H incorporations on the optical absorption edge of Ga1-xmnxAs:H nanocrystalline films by PEREIRA, André L. J, DIAS DA SILVA, J. H

Get full text

Nanocrystalline Ga 1− x Mn x N films grown by reactive sputtering by Leite, D.M.G., da Silva, L.F., Pereira, A.L.J., Dias da Silva, J.H.

“…The growth of nanocrystalline Ga 1− x Mn x N (0.00⩽ x⩽0.18) films grown by reactive RF-magnetron sputtering is focused here for the first time. The films were…”
Get full text

Effect of hydrogenation on the optical and structural properties of GaAs thin films prepared by rf-magnetron sputtering by Azevedo, G. de M., Dias da Silva, J.H., Avendaño, E.

“…We have utilized infra-red and optical absorption measurements, grazing incidence X-ray diffraction (GIXRD) and extended X-ray absorption fine structure…”
Get full text

Nanocrystalline Ga1-xMnxN films grown by reactive sputtering by LEITE, D. M. G, DA SILVA, L. F, PEREIRA, A. L. J, DIAS DA SILVA, J. H

“…The growth of nanocrystalline Ga1-xMnxN (0.00x0.18) films grown by reactive RF-magnetron sputtering is focused here for the first time. The films were grown in…”
Get full text

Stoichiometry unbalance and photoluminescence emission in Ga 1− XAs X films prepared by flash evaporation by Dias da Silva, J.H., Leite, D.M.G., Martins, M.R.

“…Both narrow and broad photoluminescence bands were observed in Ga 1− X As X films prepared by flash evaporation of polycrystalline GaAs containing native C…”
Get full text

The evolution of arsenic excess induced by thermal annealing in arsenic-rich Ga1-xAsx films by CAMPOMANES, R. R, VILCARROMERO, J, GALZERANI, J. C, DIAS DA SILVA, J. H

Get full text

Stoichiometry unbalance and photoluminescence emission in Ga1−XAsX films prepared by flash evaporation by Dias da Silva, J.H., Leite, D.M.G., Martins, M.R.

“…Both narrow and broad photoluminescence bands were observed in Ga1-XAsX films prepared by flash evaporation of polycrystalline GaAs containing native C…”
Get full text

Urbach energy parameter of flash evaporated amorphous gallium arsenide films by Dias da Silva, J.H, Campomanes, R.R

“…The dependence of the optical absorption edge on the deposition crucible temperature is used to investigate the electronic states in As-rich a-GaAs flash…”
Get full text

Low temperature annealing of amorphous gallium arsenide films by Campomanes, R.R., Ugucione, J., Dias da Silva, J.H.

“…This work reports the changes in the optical properties produced by annealing of amorphous GaAs at temperatures smaller than or just sufficient to produce…”
Get full text

Defect structure in nitrogen-rich amorphous silicon nitride films by Yan, Baojie, Dias da Silva, J.H, Taylor, P.C

“…Electron spin resonance and photoluminescence measurements were carried out on nitrogen-rich, hydrogenated amorphous silicon-nitride films. Paramagnetic Si…”
Get full text