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Superconductivity and Intralayer Structure in Potassium Amalgam-Gic

Published online by Cambridge University Press:  15 February 2011

G. Timp ,
B.S. Elman ,
M.S. Dresselhaus  and
P. Tedrow
G. Timp
Affiliation:
Massachusetts Institute of Technology, Cambridge, MA 02139, USA
B.S. Elman
Affiliation:
Massachusetts Institute of Technology, Cambridge, MA 02139, USA
M.S. Dresselhaus
Affiliation:
Massachusetts Institute of Technology, Cambridge, MA 02139, USA
P. Tedrow
Affiliation:
Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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Abstract

We report on the structural, lattice and electronic properties of stage 1,2,3 potassium-amalgam GIG and the relation of these properties to the observed superconducting transition temperature. The ultramicrostructure of the intercalant domains is investigated using lattice fringe imaging. Our observation of macroscopic (√3×√3),(2×2) and (√3×2) domains is consistent with the basal plane zonefolded phenomena observed in the Raman spectra. Shubnikovde Haas measurements of the Fermi surface show high frequency (>1000 T) oscillations in stage 2, identified with the intercalant band.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 20: Symposium H – Intercalated Graphite , 1982 , 201
Copyright
Copyright © Materials Research Society 1983

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References

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