We present experimental results on shallow junction formation in germanium by phosphorus ion implantation and standard rapid thermal processing. An attempt is made to improve phosphorus electrical activation using point defect engineering method by introducing an excess of point defects in germanium prior to the phosphorus implantation. The focus is on studying the phosphorus activation and diffusion as a function of germanium co-implant energy. Hall Effect and Secondary Ion Mass Spectrometry (SIMS) measurements are employed for characterisation of phosphorus activation and diffusion, respectively. Phosphorus activation was improved at higher annealing temperature for the implants with germanium co-implant.
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Titolo: | Point defect engineering study of phosphorus ion implanted germanium |
Autori: | M. A., Razali; Secchi, Maria; M., Bersani; R. M., Gwilliam |
Autori Unitn: | |
Titolo del periodico: | PHYSICA STATUS SOLIDI. C, CURRENT TOPICS IN SOLID STATE PHYSICS |
Anno di pubblicazione: | 2014 |
Numero e parte del fascicolo: | 1 |
Codice identificativo Scopus: | 2-s2.0-84892865104 |
Codice identificativo ISI: | WOS:000334667200001 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1002/pssc.201300155 |
Handle: | http://hdl.handle.net/11572/98358 |
Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |