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Heinrich, Andreas
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Sensing the Spin of an Individual Ce Adatom

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Title
Sensing the Spin of an Individual Ce Adatom
Author(s)
Markus Ternes; Christopher P. Lutz; Andreas J. Heinrich; Wolf-Dieter Schneider
Subject
LOW-ENERGY EXCITATIONS, ; MAGNETIC EXCITATIONS, ; SINGLE-MOLECULE, ; EXCHANGE MODEL, ; ANISOTROPY, ; PHOTOEMISSION, ; SCATTERING, ; RESONANCE, ; STATES, ; ATOMS
Publication Date
2020-04
Journal
PHYSICAL REVIEW LETTERS, v.124, no.16, pp.167202
Publisher
AMER PHYSICAL SOC
Abstract
© 2020 American Physical Society. 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
URI
https://pr.ibs.re.kr/handle/8788114/8659
DOI
10.1103/PhysRevLett.124.167202
ISSN
0031-9007
Appears in Collections:
Center for Quantum Nanoscience(양자나노과학 연구단) > 1. Journal Papers (저널논문)
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