Please use this identifier to cite or link to this item:
|Type:||Artigo de evento|
|Title:||Structural Properties Of A-ge1-xcx:h Alloys Prepared By The Rf Sputtering Technique|
Freire Jr. F.L.
|Abstract:||Structural and mechanical properties of hydrogenated amorphous germanium carbon (a-Ge1-xCx:H) alloys are presented. The films were prepared by the rf-co-sputtering technique using a graphite/germanium composed target. The carbon and germanium relative concentrations were determined by RBS, and the total hydrogen concentration by ERDA measurements. An increase in the optical gap was measured for low carbon content (0 < x < 0.15). For higher values of x the optical gap is almost constant. Infrared transmission absorption spectra show several absorption bands related to Ge-C stretching, C-Hn (n = 1,2,3) and Ge-H stretching and bending modes. The mechanical internal stress was strongly affected by the incorporation of carbon. The trends of the optical gap, refractive index, infrared absorption and mechanical stress as a function of the carbon content suggest that the high carbon concentration alloys have polymeric and/or graphite-like contribution in their structure.|
|Editor:||MRS, Warrendale, PA, United States|
|Citation:||Materials Research Society Symposium - Proceedings. Mrs, Warrendale, Pa, United States, v. 467, n. , p. 537 - 542, 1997.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
Files in This Item:
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.