Abstract:
:The development of atomic-scale structures revealing novel transport phenomena is a major goal of nanotechnology. Examples include chains of atoms that form while stretching a transition metal contact or the predicted formation of magnetic order in these chains, the existence of which is still debated. Here we report an experimental study of the magneto-conductance (MC) and anisotropic MC with atomic-size contacts and mono-atomic chains of the nonmagnetic metal platinum. We find a pronounced and diverse MC behaviour, the amplitude and functional dependence change when stretching the contact by subatomic distances. These findings can be interpreted as a signature of local magnetic order in the chain, which may be of particular importance for the application of atomic-sized contacts in spintronic devices of the smallest possible size.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Strigl F,Espy C,Bückle M,Scheer E,Pietsch Tdoi
10.1038/ncomms7172subject
Has Abstractpub_date
2015-02-04 00:00:00pages
6172issn
2041-1723pii
ncomms7172journal_volume
6pub_type
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