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Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating
Controlled atomic desorption from organic Poly-DiMethylSiloxane coating is demonstrated for improving the loading efficiency of (209,210)Fr magneto-optical traps. A three times increase in the cold atoms population is obtained with contact-less pulsed light-induced desorption, applied to different i...
Autores principales: | , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5482838/ https://www.ncbi.nlm.nih.gov/pubmed/28646176 http://dx.doi.org/10.1038/s41598-017-04397-y |
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author | Agustsson, Steinn Bianchi, Giovanni Calabrese, Roberto Corradi, Lorenzo Dainelli, Antonio Khanbekyan, Alen Marinelli, Carmela Mariotti, Emilio Marmugi, Luca Ricci, Leonardo Stiaccini, Leonardo Tomassetti, Luca Vanella, Andrea |
author_facet | Agustsson, Steinn Bianchi, Giovanni Calabrese, Roberto Corradi, Lorenzo Dainelli, Antonio Khanbekyan, Alen Marinelli, Carmela Mariotti, Emilio Marmugi, Luca Ricci, Leonardo Stiaccini, Leonardo Tomassetti, Luca Vanella, Andrea |
author_sort | Agustsson, Steinn |
collection | PubMed |
description | Controlled atomic desorption from organic Poly-DiMethylSiloxane coating is demonstrated for improving the loading efficiency of (209,210)Fr magneto-optical traps. A three times increase in the cold atoms population is obtained with contact-less pulsed light-induced desorption, applied to different isotopes, either bosonic or fermionic, of Francium. A six times increase of (210)Fr population is obtained with a desorption mechanism based on direct charge transfer from a triboelectric probe to the adatom-organic coating complex. Our findings provide new insight on the microscopic mechanisms of atomic desorption from organic coatings. Our results, obtained at room temperature so as to preserve ideal vacuum conditions, represent concrete alternatives, independent from the atomic species in use, for high-efficiency laser cooling in critical conditions. |
format | Online Article Text |
id | pubmed-5482838 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-54828382017-06-26 Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating Agustsson, Steinn Bianchi, Giovanni Calabrese, Roberto Corradi, Lorenzo Dainelli, Antonio Khanbekyan, Alen Marinelli, Carmela Mariotti, Emilio Marmugi, Luca Ricci, Leonardo Stiaccini, Leonardo Tomassetti, Luca Vanella, Andrea Sci Rep Article Controlled atomic desorption from organic Poly-DiMethylSiloxane coating is demonstrated for improving the loading efficiency of (209,210)Fr magneto-optical traps. A three times increase in the cold atoms population is obtained with contact-less pulsed light-induced desorption, applied to different isotopes, either bosonic or fermionic, of Francium. A six times increase of (210)Fr population is obtained with a desorption mechanism based on direct charge transfer from a triboelectric probe to the adatom-organic coating complex. Our findings provide new insight on the microscopic mechanisms of atomic desorption from organic coatings. Our results, obtained at room temperature so as to preserve ideal vacuum conditions, represent concrete alternatives, independent from the atomic species in use, for high-efficiency laser cooling in critical conditions. Nature Publishing Group UK 2017-06-23 /pmc/articles/PMC5482838/ /pubmed/28646176 http://dx.doi.org/10.1038/s41598-017-04397-y Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Agustsson, Steinn Bianchi, Giovanni Calabrese, Roberto Corradi, Lorenzo Dainelli, Antonio Khanbekyan, Alen Marinelli, Carmela Mariotti, Emilio Marmugi, Luca Ricci, Leonardo Stiaccini, Leonardo Tomassetti, Luca Vanella, Andrea Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating |
title | Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating |
title_full | Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating |
title_fullStr | Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating |
title_full_unstemmed | Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating |
title_short | Enhanced Atomic Desorption of 209 and 210 Francium from Organic Coating |
title_sort | enhanced atomic desorption of 209 and 210 francium from organic coating |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5482838/ https://www.ncbi.nlm.nih.gov/pubmed/28646176 http://dx.doi.org/10.1038/s41598-017-04397-y |
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