Quantum size phenomena in single-crystalline bismuth nanostructures

Nanoelectronics: quantum size phenomena Upon dimension reduction classic physics tends to degenerate into quantum. In metals the size quantization shows an impact on all electronic properties including conductivity. Now a team led by Prof. K. Arutyunov from Moscow Institute of Electronics and Mathem...

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Autores principales:	Egor A. Sedov, Kari-Pekka Riikonen, Konstantin Yu. Arutyunov
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
Acceso en línea:	https://doaj.org/article/fe417eb91191432b952163a8698cfe09
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spelling	oai:doaj.org-article:fe417eb91191432b952163a8698cfe092021-12-02T16:05:45ZQuantum size phenomena in single-crystalline bismuth nanostructures10.1038/s41535-017-0017-82397-4648https://doaj.org/article/fe417eb91191432b952163a8698cfe092017-03-01T00:00:00Zhttps://doi.org/10.1038/s41535-017-0017-8https://doaj.org/toc/2397-4648Nanoelectronics: quantum size phenomena Upon dimension reduction classic physics tends to degenerate into quantum. In metals the size quantization shows an impact on all electronic properties including conductivity. Now a team led by Prof. K. Arutyunov from Moscow Institute of Electronics and Mathematics and Kapitza Institute for Physical Problems RAS in Russia demonstrates that in single crystalline semimetal bismuth nanorods the resistivity increases in a pronounced manner when the size is below a certain value. Specifically, for samples grown along the particular crystallographic orientation, corresponding to the lowest effective electron mass in bismuth, the electronic conductivity increases abruptly at scales of around 50 nm. These experimental findings are due to metal-to-insulator transition mediated by the quantum confinement and are in reasonable agreement with the theoretical predictions. The revealed phenomena should be taken in consideration in optimizing the next generation of quantum nanoelectronic circuits.Egor A. SedovKari-Pekka RiikonenKonstantin Yu. ArutyunovNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Atomic physics. Constitution and properties of matterQC170-197ENnpj Quantum Materials, Vol 2, Iss 1, Pp 1-4 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Atomic physics. Constitution and properties of matter QC170-197 Egor A. Sedov Kari-Pekka Riikonen Konstantin Yu. Arutyunov Quantum size phenomena in single-crystalline bismuth nanostructures
description	Nanoelectronics: quantum size phenomena Upon dimension reduction classic physics tends to degenerate into quantum. In metals the size quantization shows an impact on all electronic properties including conductivity. Now a team led by Prof. K. Arutyunov from Moscow Institute of Electronics and Mathematics and Kapitza Institute for Physical Problems RAS in Russia demonstrates that in single crystalline semimetal bismuth nanorods the resistivity increases in a pronounced manner when the size is below a certain value. Specifically, for samples grown along the particular crystallographic orientation, corresponding to the lowest effective electron mass in bismuth, the electronic conductivity increases abruptly at scales of around 50 nm. These experimental findings are due to metal-to-insulator transition mediated by the quantum confinement and are in reasonable agreement with the theoretical predictions. The revealed phenomena should be taken in consideration in optimizing the next generation of quantum nanoelectronic circuits.
format	article
author	Egor A. Sedov Kari-Pekka Riikonen Konstantin Yu. Arutyunov
author_facet	Egor A. Sedov Kari-Pekka Riikonen Konstantin Yu. Arutyunov
author_sort	Egor A. Sedov
title	Quantum size phenomena in single-crystalline bismuth nanostructures
title_short	Quantum size phenomena in single-crystalline bismuth nanostructures
title_full	Quantum size phenomena in single-crystalline bismuth nanostructures
title_fullStr	Quantum size phenomena in single-crystalline bismuth nanostructures
title_full_unstemmed	Quantum size phenomena in single-crystalline bismuth nanostructures
title_sort	quantum size phenomena in single-crystalline bismuth nanostructures
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/fe417eb91191432b952163a8698cfe09
work_keys_str_mv	AT egorasedov quantumsizephenomenainsinglecrystallinebismuthnanostructures AT karipekkariikonen quantumsizephenomenainsinglecrystallinebismuthnanostructures AT konstantinyuarutyunov quantumsizephenomenainsinglecrystallinebismuthnanostructures
_version_	1718385186866987008

Quantum size phenomena in single-crystalline bismuth nanostructures

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