Coupled Yu-Shiba-Rusinov States in Molecular Dimers on NbSe2

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Coupled Yu-Shiba-Rusinov States in Molecular Dimers on NbSe2. / Kezilebieke, Shawulienu; Dvorak, Marc; Ojanen, Teemu; Liljeroth, Peter.

In: Nano Letters, Vol. 18, No. 4, 11.04.2018, p. 2311-2315.

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@article{3472ec23d5424c06a5e338b96f67312f,
title = "Coupled Yu-Shiba-Rusinov States in Molecular Dimers on NbSe2",
abstract = "Magnetic impurities have a dramatic effect on superconductivity by breaking the time-reversal symmetry and inducing so-called Yu-Shiba-Rusinov (YSR) low energy bound states within the superconducting gap. The spatial extent of YSR states is greatly enhanced in two-dimensional (2D) systems, which should facilitate the formation of coupled states. Here, we observe YSR states on single cobalt phthalocyanine (CoPC) molecules on a 2D superconductor NbSe2 using low-temperature scanning tunneling microscopy (STM) and spectroscopy. We use STM lateral manipulation to create controlled CoPc dimers and demonstrate the formation of coupled YSR states. The experimental results are corroborated by theoretical analysis of the coupled states in lattice and continuum models.",
author = "Shawulienu Kezilebieke and Marc Dvorak and Teemu Ojanen and Peter Liljeroth",
year = "2018",
month = "4",
day = "11",
doi = "10.1021/acs.nanolett.7b05050",
language = "English",
volume = "18",
pages = "2311--2315",
journal = "Nano Letters",
issn = "1530-6984",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "4",

}

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TY - JOUR

T1 - Coupled Yu-Shiba-Rusinov States in Molecular Dimers on NbSe2

AU - Kezilebieke, Shawulienu

AU - Dvorak, Marc

AU - Ojanen, Teemu

AU - Liljeroth, Peter

PY - 2018/4/11

Y1 - 2018/4/11

N2 - Magnetic impurities have a dramatic effect on superconductivity by breaking the time-reversal symmetry and inducing so-called Yu-Shiba-Rusinov (YSR) low energy bound states within the superconducting gap. The spatial extent of YSR states is greatly enhanced in two-dimensional (2D) systems, which should facilitate the formation of coupled states. Here, we observe YSR states on single cobalt phthalocyanine (CoPC) molecules on a 2D superconductor NbSe2 using low-temperature scanning tunneling microscopy (STM) and spectroscopy. We use STM lateral manipulation to create controlled CoPc dimers and demonstrate the formation of coupled YSR states. The experimental results are corroborated by theoretical analysis of the coupled states in lattice and continuum models.

AB - Magnetic impurities have a dramatic effect on superconductivity by breaking the time-reversal symmetry and inducing so-called Yu-Shiba-Rusinov (YSR) low energy bound states within the superconducting gap. The spatial extent of YSR states is greatly enhanced in two-dimensional (2D) systems, which should facilitate the formation of coupled states. Here, we observe YSR states on single cobalt phthalocyanine (CoPC) molecules on a 2D superconductor NbSe2 using low-temperature scanning tunneling microscopy (STM) and spectroscopy. We use STM lateral manipulation to create controlled CoPc dimers and demonstrate the formation of coupled YSR states. The experimental results are corroborated by theoretical analysis of the coupled states in lattice and continuum models.

UR - http://www.scopus.com/inward/record.url?scp=85045210932&partnerID=8YFLogxK

U2 - 10.1021/acs.nanolett.7b05050

DO - 10.1021/acs.nanolett.7b05050

M3 - Article

VL - 18

SP - 2311

EP - 2315

JO - Nano Letters

JF - Nano Letters

SN - 1530-6984

IS - 4

ER -

ID: 19084706