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In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires
Magnetic nanostructures of different size, shape, and composition possess a great potential to improve current technologies like data storage and electromagnetic sensing. In thin ferromagnetic nanowires, their magnetization behavior is dominated by the competition between magnetocrystalline anisotro...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
AIP Publishing LLC
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5760265/ https://www.ncbi.nlm.nih.gov/pubmed/29375931 http://dx.doi.org/10.1063/1.5007671 |
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author | Ortega, Eduardo Santiago, Ulises Giuliani, Jason G. Monton, Carlos Ponce, Arturo |
author_facet | Ortega, Eduardo Santiago, Ulises Giuliani, Jason G. Monton, Carlos Ponce, Arturo |
author_sort | Ortega, Eduardo |
collection | PubMed |
description | Magnetic nanostructures of different size, shape, and composition possess a great potential to improve current technologies like data storage and electromagnetic sensing. In thin ferromagnetic nanowires, their magnetization behavior is dominated by the competition between magnetocrystalline anisotropy (related to the crystalline structure) and shape anisotropy. In this way electron diffraction methods like precession electron diffraction (PED) can be used to link the magnetic behavior observed by Electron Holography (EH) with its crystallinity. Using off-axis electron holography under Lorentz conditions, we can experimentally determine the magnetization distribution over neighboring nanostructures and their diamagnetic matrix. In the case of a single row of nickel nanowires within the alumina template, the thin TEM samples showed a dominant antiferromagnetic arrangement demonstrating long-range magnetostatic interactions playing a major role. |
format | Online Article Text |
id | pubmed-5760265 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | AIP Publishing LLC |
record_format | MEDLINE/PubMed |
spelling | pubmed-57602652018-01-28 In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires Ortega, Eduardo Santiago, Ulises Giuliani, Jason G. Monton, Carlos Ponce, Arturo AIP Adv THE 62ND MMM CONFERENCE PAPERS Magnetic nanostructures of different size, shape, and composition possess a great potential to improve current technologies like data storage and electromagnetic sensing. In thin ferromagnetic nanowires, their magnetization behavior is dominated by the competition between magnetocrystalline anisotropy (related to the crystalline structure) and shape anisotropy. In this way electron diffraction methods like precession electron diffraction (PED) can be used to link the magnetic behavior observed by Electron Holography (EH) with its crystallinity. Using off-axis electron holography under Lorentz conditions, we can experimentally determine the magnetization distribution over neighboring nanostructures and their diamagnetic matrix. In the case of a single row of nickel nanowires within the alumina template, the thin TEM samples showed a dominant antiferromagnetic arrangement demonstrating long-range magnetostatic interactions playing a major role. AIP Publishing LLC 2018-01-09 /pmc/articles/PMC5760265/ /pubmed/29375931 http://dx.doi.org/10.1063/1.5007671 Text en © 2018 Author(s). 2158-3226/2018/8(5)/056813/5/$0.00 All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | THE 62ND MMM CONFERENCE PAPERS Ortega, Eduardo Santiago, Ulises Giuliani, Jason G. Monton, Carlos Ponce, Arturo In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
title | In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
title_full | In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
title_fullStr | In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
title_full_unstemmed | In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
title_short | In-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
title_sort | in-situ magnetization/heating electron holography to study the magnetic ordering in arrays of nickel metallic nanowires |
topic | THE 62ND MMM CONFERENCE PAPERS |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5760265/ https://www.ncbi.nlm.nih.gov/pubmed/29375931 http://dx.doi.org/10.1063/1.5007671 |
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