Document Detail


Conductance relaxation in the electron glass: microwave versus infrared response.
MedLine Citation:
PMID:  19519056     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We study the time-dependent conductance of electron glasses excited by electromagnetic radiation at microwave and infrared frequencies. In either case, the conductance G is enhanced during exposure, but its time dependence after the radiation is turned off is qualitatively different depending on the frequency. For comparison, results of excitation produced by a gate voltage and temperature changes are also shown. The glassy nature of the system allows us to demonstrate that the microwave-enhanced conductance is not due to heating. These findings are discussed in terms of an energy E_{c} that characterizes the equilibrium charge distribution of the electron glass.
Authors:
Z Ovadyahu
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Publication Detail:
Type:  Journal Article     Date:  2009-05-19
Journal Detail:
Title:  Physical review letters     Volume:  102     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-06-12     Completed Date:  2009-07-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  206601     Citation Subset:  -    
Affiliation:
Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel.
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