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Application of magnetic atom induced bound states in superconducting gap for chemical identification of single magnetic atoms
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10.1063/1.3318404
/content/aip/journal/apl/96/7/10.1063/1.3318404
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/7/10.1063/1.3318404
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Figures

Image of FIG. 1.
FIG. 1.

(a) STM image of an Mn atom showing eight points where the spectra in (b) were recorded. Tunneling conditions: and . (b) Normalized spectra at eight different locations around the Mn atom. Tunneling conditions: and . The curves were offset for clarity. (c) The intensity of each component of the bound states as a function of the distance from the atom. The intensities were obtained by the numerical deconvolution of curves in (b).

Image of FIG. 2.
FIG. 2.

(a) Topographic image of an area with codeposited Mn and Cr atoms at a total coverage of 0.001 ML on the Pb film. The seven atoms were seen as round protrusions. Imaging conditions: 2.0 V bias and 0.1 nA tunneling current. (b) The schematic of (a). (c) mapping of the same area as in (a). It was acquired with 1.77 mV bias voltage which is the position of one of the electronlike bound states for Mn atoms. The mapping exclusively shows the locations of Mn out of the seven atoms. (d) spectra obtained on atom 1, 2, 4, and 7. (e) mapping acquired with 2.10 mV bias voltage which is the position of one of the holelike bound states of Cr atoms. Only Cr atoms show up in the mapping. (f) spectra obtained on atom 3, 5, and 6. The curves in [(d) and (f)] were offset vertically for clear display. The open circles in [(c) and (e)] indicate the positions of the invisible Cr or Mn atoms in each mapping.

Image of FIG. 3.
FIG. 3.

[(a)–(c)] Topographic images of Pb film surface with different Mn impurity density. [(d)–(f)] The corresponding spectra on the top of Mn atoms (red curves) and the Pb film (blue curves). [(g)–(i)] The normalized after removing the tip effect on the spectra. The red curves are on the top of Mn atoms and the blue curves on the Pb film.

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/content/aip/journal/apl/96/7/10.1063/1.3318404
2010-02-18
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Application of magnetic atom induced bound states in superconducting gap for chemical identification of single magnetic atoms
http://aip.metastore.ingenta.com/content/aip/journal/apl/96/7/10.1063/1.3318404
10.1063/1.3318404
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