Literature DB >> 9065395

Probing the Local Effects of Magnetic Impurities on Superconductivity

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Abstract

The local effects of isolated magnetic adatoms on the electronic properties of the surface of a superconductor were studied with a low-temperature scanning tunneling microscope. Tunneling spectra obtained near magnetic adsorbates reveal the presence of excitations within the superconductor's energy gap that can be detected over a few atomic diameters around the impurity at the surface. These excitations are locally asymmetric with respect to tunneling of electrons and holes. A model calculation based on the Bogoliubov-de Gennes equations can be used to understand the details of the local tunneling spectra.

Year:  1997        PMID： 9065395     DOI： 10.1126/science.275.5307.1767

Source DB:  PubMed          Journal:  Science        ISSN： 0036-8075            Impact factor:   47.728


  27 in total

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Review 3.  Andreev bound states at spin-active interfaces.

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8.  Magnetic anisotropy in Shiba bound states across a quantum phase transition.

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Journal:  Nat Commun       Date:  2015-11-25       Impact factor: 14.919

9.  In-gap quasiparticle excitations induced by non-magnetic Cu impurities in Na(Fe(0.96) Co(0.03)Cu(0.01))As revealed by scanning tunnelling spectroscopy.

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10.  Manipulating Majorana zero modes on atomic rings with an external magnetic field.

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Journal:  Nat Commun       Date:  2016-01-21       Impact factor: 14.919
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