O'Neil, G.
, Schmidt, D.
, Tomlin, N.
, Ullom, J.
, Irwin, K.
, Williams, A.
, Arnold, G.
and Ruggiero, S.
(2008),
Density of states measurements of Al lightly doped with Mn, Journal of Low Temperature Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32760
(Accessed December 17, 2024)
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Density of states measurements of Al lightly doped with Mn
Published
Author(s)
, , , , , Anthony S. Williams, Gerry Arnold, Steve T. Ruggiero
Abstract
Al lightly doped with Mn is a tunable superconductor, potentially useful in normalmetal/insulator/superconductor refrigerators. The superconducting transition temperature varies with Mn concentration and the density of states is like a BCS superconductor with a reduced gap. We present results from superconducting tunnel junction measurements that demonstrate the BCS-like density of states. We discuss the limitations of our measurements based upon purity of the materials used to fabricate tunnel junctions, as well as our expectations for new measurements with cleaner materials.Citation
Journal of Low Temperature Physics
Volume
151
Issue
1-2
Pub Type
Journals
Download Paper
Keywords
abrikosov, AlMn, DOS, kaiser, tunnel junction
Citation
Issues
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Created January 28, 2008, Updated October 12, 2021