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@ARTICLE{Womack:892800,
author = {Womack, F. N. and Adams, P. W. and Catelani, Gianluigi},
title = {{S}pin-polarized tunneling in critically disordered
{B}e-{A}l bilayers},
journal = {Physical review research},
volume = {3},
number = {2},
issn = {2643-1564},
address = {College Park, MD},
publisher = {APS},
reportid = {FZJ-2021-02357},
pages = {023141},
year = {2021},
abstract = {We report spin-polarized tunneling density of states
measurements of the proximity modulated
superconductor-insulator transition in ultrathin Be-Al
bilayers. The bilayer samples consisted of a Be film of
varying thickness, dBe=0.8–4.5nm, on which a 1 nm thick
capping layer of Al was deposited. Detailed measurements of
the Zeeman splitting of the BCS coherence peaks in samples
with sheet resistances R∼h/4e2 revealed a superlinear
Zeeman shift near the critical field. Our data suggests that
critically disordered samples have a broad distribution of
gap energies and that only the higher portion of the
distribution survives as the Zeeman critical field is
approached. This produces a counterintuitive field
dependence in which the gap apparently increases with
increasing parallel field.},
cin = {PGI-11},
ddc = {530},
cid = {I:(DE-Juel1)PGI-11-20170113},
pnm = {522 - Quantum Computing (POF4-522)},
pid = {G:(DE-HGF)POF4-522},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000655983000003},
doi = {10.1103/PhysRevResearch.3.023141},
url = {https://juser.fz-juelich.de/record/892800},
}