UNUSUAL PHOTOLUMINESCENCE PROPERTIES IN AMORPHOUS-SILICON NANOPOWDER PRODUCED BY PLASMA-ENHANCED CHEMICAL-VAPOR-DEPOSITION

Authors
COSTA J ROURA P SARDIN G MORANTE JR BERTRAN E
Citation
J. Costa et al., UNUSUAL PHOTOLUMINESCENCE PROPERTIES IN AMORPHOUS-SILICON NANOPOWDER PRODUCED BY PLASMA-ENHANCED CHEMICAL-VAPOR-DEPOSITION, Applied physics letters, 64(4), 1994, pp. 463-465
Citations number
22
Categorie Soggetti
Physics, Applied
Journal title
Applied physics letters → ACNP
ISSN journal
00036951
Volume
64
Issue
4
Year of publication
1994
Pages
463 - 465
Database
ISI
SICI code
0003-6951(1994)64:4<463:UPPIAN>2.0.ZU;2-K
Abstract
The supralinear dependence of visible photoluminescence intensity from amorphous silicon nanopowder produced in plasma enhanced chemical vap or deposition on excitation power and its exponential dependence on pr essure is reported. It is shown that this new material emits two diffe rent kinds of photoluminescence that dominate at different pressures.