Abstract
Real time spectroscopic ellipsometry was used to det. the time evolution of the dielec. function, bulk thickness, and surface roughness during hot-wire chem. vapor deposition of hydrogenated amorphous silicon (a-Si:H). The amorphous silicon films were deposited on native-oxide-covered c-Si(100) and GaAs(100) substrates at temps. in the range from 70 to 350 DegC. Data anal. by a three layer optical model, consisting of substrate, bulk, and surface roughness layer, revealed that the dielec. function of the a-Si:H film changes in the initial growth regime (d
Original language | English |
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Article number | 123529 |
Pages (from-to) | 123529-1/10 |
Number of pages | 10 |
Journal | Journal of Applied Physics |
Volume | 101 |
Issue number | 12 |
DOIs | |
Publication status | Published - 2007 |