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- aggregation classification "A1".
- aggregation creator person.
- aggregation creator person.
- aggregation date "2008".
- aggregation format "application/pdf".
- aggregation hasFormat 419544.bibtex.
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- aggregation hasFormat 419544.doc.
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- aggregation isPartOf urn:issn:0928-0707.
- aggregation language "eng".
- aggregation publisher "Springer".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "Capacitance spectroscopy of alumina sol-gel capacitors with Al top contacts".
- aggregation abstract "We measured the complex capacitance C(f) of ITO/sol-gel alumina/Al capacitors deposited on glass (and some on stainless steel foil) in the frequency range 15 Hz-10 MHz. The sol-gel films were deposited by dip-coating and following a two-step process. The capacitance C(f) found was much higher than that of a pure Al2O3-film due to the remaining porosity of the film and the uptake of H2O from the environment. The C(f) curves are useful as a sensitive probe for the porosity of the sol-gel film. In particular the evolution of the capacitance curve with time after drying has been measured. The curves can qualitatively be understood by modelling the capacitor as a (nearly) percolating random insulator/conductor network, using the effective medium approximation. However a detailed understanding of the relation between the C(f,t) curves and the structure of the films requires a more elaborate model. Films sintered at 500-550 degrees C for 1 h initially behave exactly as not sintered films but in contrast with the latter they improve slowly over time. Fast sintering yields better films.".
- aggregation authorList BK487653.
- aggregation endPage "235".
- aggregation issue "3".
- aggregation startPage "225".
- aggregation volume "45".
- aggregation aggregates 711177.
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- aggregation similarTo s10971-008-1687-2.
- aggregation similarTo LU-419544.