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Title: Spectroscopic study of Gd nanostructures quantum confined in Fe corrals

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep12092· OSTI ID:1224979
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  1. Nanjing Univ., Nanjing (People's Republic of China)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
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Low dimensional nanostructures have attracted attention due to their rich physical properties and potential applications. The essential factor for their functionality is their electronic properties, which can be modified by quantum confinement. Here the electronic states of Gd atom trapped in open Fe corrals on Ag(111) were studied via scanning tunneling spectroscopy. A single spectroscopic peak above the Fermi level is observed after Gd adatoms are trapped inside Fe corrals, while two peaks appear in empty corrals. The single peak position is close to the higher energy peak of the empty corrals. These findings, attributed to quantum confinement of the corrals and Gd structures trapped inside, are supported by tight-binding calculations. As a result, this demonstrates and provides insights into atom trapping in open corrals of various diameters, giving an alternative approach to modify the properties of nano-objects.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1224979
Journal Information:
Scientific Reports, Vol. 5; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

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Cited By (2)

Quantum corral effects on competing orders and electronic states in chiral d + id or f -wave superconductors journal January 2018
Green's function approach to the Kondo effect in nanosized quantum corrals journal April 2018

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Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
electronic properties and materials
surfaces
interfaces and thin films