EFFECTS OF ANNEALING AND Ar INTERCALATION ON GLASS TRANSITION IN C60 FILMS
AbstractC60 films were fabricated by vacuum sublimation and studied with dielectric spectroscopy regarding glass transition. With annealing, the dielectric loss peaks decreased in height, and the apparent activation energy deduced from their frequency dependence dropped in magnitude. The peaks, broad and asymmetrical, were fitted with Ngai's correlated-states model. The calculated value of the correlation constant β increased after annealing, which may be explained by the reduction in extrinsic dipole density. Some annealed films were further charged with Ar under high pressure, and found to have suppressed transition temperature and activation energy, attributable to the negative pressure effect of intercalation. Freshly charged films exhibited a feature near 137 K in their impedance spectra, probably due to domains of exceptionally high Ar concentration.
Download InfoIf you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
Bibliographic InfoArticle provided by World Scientific Publishing Co. Pte. Ltd. in its journal Surface Review and Letters.
Volume (Year): 14 (2007)
Issue (Month): 04 ()
Contact details of provider:
Web page: http://www.worldscinet.com/srl/srl.shtml
Find related papers by JEL classification:
- C60 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - General
- fil - - - - - -
You can help add them by filling out this form.
CitEc Project, subscribe to its RSS feed for this item.
- Xavier Vives, 2011.
"Endogenous Public Information and Welfare,"
CESifo Working Paper Series
3492, CESifo Group Munich.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Tai Tone Lim).
If references are entirely missing, you can add them using this form.