Reduced self-heating in Si/SiGe field-effect transistors on thin virtual substrates prepared by low-energy plasma-enhanced chemical vapor deposition (Articolo in rivista)

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  • Reduced self-heating in Si/SiGe field-effect transistors on thin virtual substrates prepared by low-energy plasma-enhanced chemical vapor deposition (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1636820 (literal)
Alternative label
  • T. Hackbarth(a); H.-J. Herzog(a); K.-H. Hieber(a); U. König(a); M. Bollani(b); D. Chrastina(c); H. von Känel(c); (2003)
    Reduced self-heating in Si/SiGe field-effect transistors on thin virtual substrates prepared by low-energy plasma-enhanced chemical vapor deposition
    in Applied physics letters; AMER INST PHYSICS, MELVILLE, NY 11747-4501 USA (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • T. Hackbarth(a); H.-J. Herzog(a); K.-H. Hieber(a); U. König(a); M. Bollani(b); D. Chrastina(c); H. von Känel(c); (literal)
Pagina inizio
  • 5464 (literal)
Pagina fine
  • 5466 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://scitation.aip.org/content/aip/journal/apl/83/26/10.1063/1.1636820 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 83 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 26 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a DaimlerChrysler AG, Research and Technology, 89081 Ulm, Germany b INFM and L-NESS, Dipartimento Scienza dei Materiali, University Milano Bicocca, I-20125 Milano, Italy c INFM and L-NESS Dipartimento di Fisica, Politecnico di Milano, Polo Regionale di Como, I-22100 Como, Italy (literal)
Titolo
  • Reduced self-heating in Si/SiGe field-effect transistors on thin virtual substrates prepared by low-energy plasma-enhanced chemical vapor deposition (literal)
Abstract
  • This letter reports on the electrical performance of strained Si-based n-type heterostructure field-effect transistors prepared on 500 nm Si0.56Ge0.44 virtual substrates. The method of low-energy plasma-enhanced chemical vapor deposition at low temperature was used for the growth of the relaxed SiGe buffer. The active layers have been deposited by molecular-beam epitaxy. The thin buffer improves the thermal conductivity by a factor of 3 and shows a much lower surface roughness compared to control structures on conventional virtual substrate with a 5-mum-thick graded buffer. Cutoff frequencies of f(T)=55 GHz and f(max)(U)=138 GHz have been achieved which are very close to the results of the control sample. (literal)
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