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Phys. Rev. B 32, 533–536 (1985)

Enhanced superconductivity in hydrogenated potassium-mercury–graphite intercalation compounds

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G. Roth, A. Chaiken, T. Enoki, and N. C. Yeh
Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

G. Dresselhaus and P. M. Tedrow
Francis Bitter National Magnet Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139

Received 11 April 1985; published in the issue dated 1 July 1985

Stage-1 potassium-mercury–graphite intercalation compounds with markedly different superconducting transition temperatures Tc and transition widths ΔTc are found to have uniformly high Tc and narrow transitions after exposure to hydrogen. These hydrogen-doping experiments suggest a schematic model for the density of states in stage-1 potassium-mercury–graphite intercalation compounds.

© 1985 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.32.533
DOI:
10.1103/PhysRevB.32.533
PACS:
74.10.+v, 64.80.Eb
 
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