Emerging magnetic order in platinum atomic contacts and chains.

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 Commun

journal_title

Nature communications

authors

Strigl F,Espy C,Bückle M,Scheer E,Pietsch T

doi

10.1038/ncomms7172

subject

Has Abstract

pub_date

2015-02-04 00:00:00

pages

6172

issn

2041-1723

pii

ncomms7172

journal_volume

6

pub_type

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