Journal Article

FZJ-2020-01865

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Sensing the Spin of an Individual Ce Adatom

Ternes, M. (Corresponding author)FZJ* ; Lutz, C. P. ; Heinrich, A. J. ; Schneider, W.-D.

2020
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/24771  doi:10.1103/PhysRevLett.124.167202

Abstract: The magnetic moment of rare earth elements originates from electrons in the partially filled 4f orbitals. Accessing this moment electrically by scanning tunneling spectroscopy is hampered by shielding of outerlying orbitals. Here, we show that we can detect the magnetic moment of an individual Ce atom adsorbed on a Cu2N ultrathin film on Cu(100) by using a sensor tip that has its apex functionalized with a Kondo screened spin system. We calibrate the sensor tip by deliberately coupling it to a well characterized Fe atom. Subsequently, we use the splitting of the tip’s Kondo resonance when approaching a spectroscopically dark Ce atom to sense its magnetic moment.

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Contributing Institute(s):

1. Funktionale Nanostrukturen an Oberflächen (PGI-3)

Research Program(s):

1. 142 - Controlling Spin-Based Phenomena (POF3-142) (POF3-142)

Appears in the scientific report 2020

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Database coverage:
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