Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography

Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography

The nanoscale magnetic configuration of self-assembled groups of magnetite 40 nm cubic nanoparticles has been investigated by means of electron holography in the transmission electron microscope (TEM). The arrangement of the cubes in the form of chains driven by the alignment of their dipoles of sin...

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Main Authors: Lluís López-Conesa, Carlos Martínez-Boubeta, David Serantes, Sonia Estradé, Francesca Peiró
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Materials
Subjects:
electron holography
magnetic nanoparticles
magnetic hyperthermia
Online Access:https://www.mdpi.com/1996-1944/14/4/774
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spelling doaj-ab41d47d6ea94373b24a980b3fd7599c2021-02-07T00:03:13ZengMDPI AGMaterials1996-19442021-02-011477477410.3390/ma14040774Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron HolographyLluís López-Conesa0Carlos Martínez-Boubeta1David Serantes2Sonia Estradé3Francesca Peiró4Laboratory of Electron Nanoscopies (LENS-MIND), Departament d’Enginyeria Electrònica i Biomèdica, Universitat de Barcelona, 08028 Barcelona, SpainFreelancer in O Con, 36950 Moaña, SpainInstituto de Investigacións Tecnolóxicas and Departamento de Física Aplicada, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, SpainLaboratory of Electron Nanoscopies (LENS-MIND), Departament d’Enginyeria Electrònica i Biomèdica, Universitat de Barcelona, 08028 Barcelona, SpainLaboratory of Electron Nanoscopies (LENS-MIND), Departament d’Enginyeria Electrònica i Biomèdica, Universitat de Barcelona, 08028 Barcelona, SpainThe nanoscale magnetic configuration of self-assembled groups of magnetite 40 nm cubic nanoparticles has been investigated by means of electron holography in the transmission electron microscope (TEM). The arrangement of the cubes in the form of chains driven by the alignment of their dipoles of single nanocubes is assessed by the measured in-plane magnetic induction maps, in good agreement with theoretical calculations.https://www.mdpi.com/1996-1944/14/4/774electron holographymagnetic nanoparticlesmagnetic hyperthermia
collection DOAJ
language English
format Article
sources DOAJ
author Lluís López-Conesa
Carlos Martínez-Boubeta
David Serantes
Sonia Estradé
Francesca Peiró
spellingShingle Lluís López-Conesa
Carlos Martínez-Boubeta
David Serantes
Sonia Estradé
Francesca Peiró
Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography
Materials
electron holography
magnetic nanoparticles
magnetic hyperthermia
author_facet Lluís López-Conesa
Carlos Martínez-Boubeta
David Serantes
Sonia Estradé
Francesca Peiró
author_sort Lluís López-Conesa
title Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography
title_short Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography
title_full Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography
title_fullStr Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography
title_full_unstemmed Mapping the Magnetic Coupling of Self-Assembled Fe<sub>3</sub>O<sub>4</sub> Nanocubes by Electron Holography
title_sort mapping the magnetic coupling of self-assembled fe<sub>3</sub>o<sub>4</sub> nanocubes by electron holography
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2021-02-01
description The nanoscale magnetic configuration of self-assembled groups of magnetite 40 nm cubic nanoparticles has been investigated by means of electron holography in the transmission electron microscope (TEM). The arrangement of the cubes in the form of chains driven by the alignment of their dipoles of single nanocubes is assessed by the measured in-plane magnetic induction maps, in good agreement with theoretical calculations.
topic electron holography
magnetic nanoparticles
magnetic hyperthermia
url https://www.mdpi.com/1996-1944/14/4/774
work_keys_str_mv AT lluislopezconesa mappingthemagneticcouplingofselfassembledfesub3subosub4subnanocubesbyelectronholography
AT carlosmartinezboubeta mappingthemagneticcouplingofselfassembledfesub3subosub4subnanocubesbyelectronholography
AT davidserantes mappingthemagneticcouplingofselfassembledfesub3subosub4subnanocubesbyelectronholography
AT soniaestrade mappingthemagneticcouplingofselfassembledfesub3subosub4subnanocubesbyelectronholography
AT francescapeiro mappingthemagneticcouplingofselfassembledfesub3subosub4subnanocubesbyelectronholography
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