Unidirectional Kondo scattering in layered NbS2

Abstract Crystalline defects can modify quantum interactions in solids, causing unintuitive, even favourable, properties such as quantum Hall effect or superconducting vortex pinning. Here we present another example of this notion—an unexpected unidirectional Kondo scattering in single crystals of 2...

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Autores principales:	Edoardo Martino, Carsten Putzke, Markus König, Philip J. W. Moll, Helmuth Berger, David LeBoeuf, Maxime Leroux, Cyril Proust, Ana Akrap, Holm Kirmse, Christoph Koch, ShengNan Zhang, QuanSheng Wu, Oleg V. Yazyev, László Forró, Konstantin Semeniuk
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/7a4792590931431faf811c8ae43e628e
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spelling	oai:doaj.org-article:7a4792590931431faf811c8ae43e628e2021-11-21T12:41:45ZUnidirectional Kondo scattering in layered NbS210.1038/s41699-021-00265-62397-7132https://doaj.org/article/7a4792590931431faf811c8ae43e628e2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41699-021-00265-6https://doaj.org/toc/2397-7132Abstract Crystalline defects can modify quantum interactions in solids, causing unintuitive, even favourable, properties such as quantum Hall effect or superconducting vortex pinning. Here we present another example of this notion—an unexpected unidirectional Kondo scattering in single crystals of 2H-NbS2. This manifests as a pronounced low-temperature enhancement in the out-of-plane resistivity and thermopower below 40 K, hidden for the in-plane charge transport. The anomaly can be suppressed by the c-axis-oriented magnetic field, but is unaffected by field applied along the planes. The magnetic moments originate from layers of 1T-NbS2, which inevitably form during the growth, undergoing a charge-density-wave reconstruction with each superlattice cell (David-star-shaped cluster of Nb atoms) hosting a localised spin. Our results demonstrate the unique and highly anisotropic response of a spontaneously formed Kondo-lattice heterostructure, intercalated in a layered conductor.Edoardo MartinoCarsten PutzkeMarkus KönigPhilip J. W. MollHelmuth BergerDavid LeBoeufMaxime LerouxCyril ProustAna AkrapHolm KirmseChristoph KochShengNan ZhangQuanSheng WuOleg V. YazyevLászló ForróKonstantin SemeniukNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ChemistryQD1-999ENnpj 2D Materials and Applications, Vol 5, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 Edoardo Martino Carsten Putzke Markus König Philip J. W. Moll Helmuth Berger David LeBoeuf Maxime Leroux Cyril Proust Ana Akrap Holm Kirmse Christoph Koch ShengNan Zhang QuanSheng Wu Oleg V. Yazyev László Forró Konstantin Semeniuk Unidirectional Kondo scattering in layered NbS2
description	Abstract Crystalline defects can modify quantum interactions in solids, causing unintuitive, even favourable, properties such as quantum Hall effect or superconducting vortex pinning. Here we present another example of this notion—an unexpected unidirectional Kondo scattering in single crystals of 2H-NbS2. This manifests as a pronounced low-temperature enhancement in the out-of-plane resistivity and thermopower below 40 K, hidden for the in-plane charge transport. The anomaly can be suppressed by the c-axis-oriented magnetic field, but is unaffected by field applied along the planes. The magnetic moments originate from layers of 1T-NbS2, which inevitably form during the growth, undergoing a charge-density-wave reconstruction with each superlattice cell (David-star-shaped cluster of Nb atoms) hosting a localised spin. Our results demonstrate the unique and highly anisotropic response of a spontaneously formed Kondo-lattice heterostructure, intercalated in a layered conductor.
format	article
author	Edoardo Martino Carsten Putzke Markus König Philip J. W. Moll Helmuth Berger David LeBoeuf Maxime Leroux Cyril Proust Ana Akrap Holm Kirmse Christoph Koch ShengNan Zhang QuanSheng Wu Oleg V. Yazyev László Forró Konstantin Semeniuk
author_facet	Edoardo Martino Carsten Putzke Markus König Philip J. W. Moll Helmuth Berger David LeBoeuf Maxime Leroux Cyril Proust Ana Akrap Holm Kirmse Christoph Koch ShengNan Zhang QuanSheng Wu Oleg V. Yazyev László Forró Konstantin Semeniuk
author_sort	Edoardo Martino
title	Unidirectional Kondo scattering in layered NbS2
title_short	Unidirectional Kondo scattering in layered NbS2
title_full	Unidirectional Kondo scattering in layered NbS2
title_fullStr	Unidirectional Kondo scattering in layered NbS2
title_full_unstemmed	Unidirectional Kondo scattering in layered NbS2
title_sort	unidirectional kondo scattering in layered nbs2
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7a4792590931431faf811c8ae43e628e
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Unidirectional Kondo scattering in layered NbS2

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