Volume 69, Number 3, February 2005
|Page(s)||442 - 446|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||24 December 2004|
Forced localization in thin films, investigated with the superconducting proximity effect
Physics Department, University of Southern California Los Angeles, CA 90089-0484, USA
Accepted: 17 November 2004
Thin films of alkali metals are forced into an insulating state by being covered with sub-mono-layers of . The superconducting proximity effect is used to investigate the electronic change in the alkali film. On the length scale of the film thickness the electronic properties of the alkali film do not change noticeably during the metal-insulator transition.
PACS: 74.45.+c – Proximity effects; Andreev effect; SN and SNS junctions / 73.20.Fz – Weak or Anderson localization / 71.20.Dg – Alkali and alkaline earth metals
© EDP Sciences, 2005
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