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Title: Magnetic Memory from Site Isolated Dy(III) on Silica Materials

Abstract

© 2017 American Chemical Society. Achieving magnetic remanence at single isolated metal sites dispersed at the surface of a solid matrix has been envisioned as a key step toward information storage and processing in the smallest unit of matter. Here, we show that isolated Dy(III) sites distributed at the surface of silica nanoparticles, prepared with a simple and scalable two-step process, show magnetic remanence and display a hysteresis loop open at liquid 4 He temperature, in contrast to the molecular precursor which does not display any magnetic memory. This singular behavior is achieved through the controlled grafting of a tailored Dy(III) siloxide complex on partially dehydroxylated silica nanoparticles followed by thermal annealing. This approach allows control of the density and the structure of isolated, bare Dy(III) sites bound to the silica surface. During the process, all organic fragments are removed, leaving the surface as the sole ligand, promoting magnetic remanence.

Authors:
 [1];  [1];  [1]; ORCiD logo [2];  [3]; ORCiD logo [4];  [4]; ORCiD logo [5];  [6];  [4]; ORCiD logo [1]
+ Show Author Affiliations
  1. Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir Prelog Weg 1-5, CH-8093 Zürich, Switzerland
  2. Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
  3. Univ Lyon, Ecole Normale supérieure de Lyon, Laboratoire de Chimie UMR 5182 CNRS—Université Claude Bernard Lyon 1—ENS Lyon, 46 Allée d’Italie, 69364 Lyon Cedex 07, France
  4. Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
  5. Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
  6. Laboratoire de Chimie des Processus Biologiques, CNRS UMR 8229, Collège de France, Université Pierre et Marie Curie, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1344432
Alternate Identifier(s):
OSTI ID: 1352052; OSTI ID: 1436623
Grant/Contract Number:  
AC02-05CH11231; AC02-76SF00515; FP7-PEOPLE-2012-ITN N?317127
Resource Type:
Published Article
Journal Name:
ACS Central Science
Additional Journal Information:
Journal Name: ACS Central Science Journal Volume: 3 Journal Issue: 3; Journal ID: ISSN 2374-7943
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Allouche, Florian, Lapadula, Giuseppe, Siddiqi, Georges, Lukens, Wayne W., Maury, Olivier, Le Guennic, Boris, Pointillart, Fabrice, Dreiser, Jan, Mougel, Victor, Cador, Olivier, and Copéret, Christophe. Magnetic Memory from Site Isolated Dy(III) on Silica Materials. United States: N. p., 2017. Web. doi:10.1021/acscentsci.7b00035.
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Allouche, Florian, Lapadula, Giuseppe, Siddiqi, Georges, Lukens, Wayne W., Maury, Olivier, Le Guennic, Boris, Pointillart, Fabrice, Dreiser, Jan, Mougel, Victor, Cador, Olivier, & Copéret, Christophe. Magnetic Memory from Site Isolated Dy(III) on Silica Materials. United States. https://doi.org/10.1021/acscentsci.7b00035
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Allouche, Florian, Lapadula, Giuseppe, Siddiqi, Georges, Lukens, Wayne W., Maury, Olivier, Le Guennic, Boris, Pointillart, Fabrice, Dreiser, Jan, Mougel, Victor, Cador, Olivier, and Copéret, Christophe. Wed . "Magnetic Memory from Site Isolated Dy(III) on Silica Materials". United States. https://doi.org/10.1021/acscentsci.7b00035.
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@article{osti_1344432,
title = {Magnetic Memory from Site Isolated Dy(III) on Silica Materials},
author = {Allouche, Florian and Lapadula, Giuseppe and Siddiqi, Georges and Lukens, Wayne W. and Maury, Olivier and Le Guennic, Boris and Pointillart, Fabrice and Dreiser, Jan and Mougel, Victor and Cador, Olivier and Copéret, Christophe},
abstractNote = {© 2017 American Chemical Society. Achieving magnetic remanence at single isolated metal sites dispersed at the surface of a solid matrix has been envisioned as a key step toward information storage and processing in the smallest unit of matter. Here, we show that isolated Dy(III) sites distributed at the surface of silica nanoparticles, prepared with a simple and scalable two-step process, show magnetic remanence and display a hysteresis loop open at liquid 4 He temperature, in contrast to the molecular precursor which does not display any magnetic memory. This singular behavior is achieved through the controlled grafting of a tailored Dy(III) siloxide complex on partially dehydroxylated silica nanoparticles followed by thermal annealing. This approach allows control of the density and the structure of isolated, bare Dy(III) sites bound to the silica surface. During the process, all organic fragments are removed, leaving the surface as the sole ligand, promoting magnetic remanence.},
doi = {10.1021/acscentsci.7b00035},
journal = {ACS Central Science},
number = 3,
volume = 3,
place = {United States},
year = {Wed Feb 22 00:00:00 EST 2017},
month = {Wed Feb 22 00:00:00 EST 2017}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1021/acscentsci.7b00035
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Works referencing / citing this record:

Insights into Magnetic Interactions in a Monodisperse Gd 12 Fe 14 Metal Cluster
journal, August 2017

  • Zheng, Xiu-Ying; Zhang, Hui; Wang, Zhenxing
  • Angewandte Chemie International Edition, Vol. 56, Issue 38
  • DOI: 10.1002/anie.201705697

Low-Coordinated Titanium(III) Alkyl-Molecular and Surface-Complexes: Detailed Structure from Advanced EPR Spectroscopy
journal, July 2018

  • Allouche, Florian; Klose, Daniel; Gordon, Christopher P.
  • Angewandte Chemie International Edition, Vol. 57, Issue 44
  • DOI: 10.1002/anie.201806497

Facile Synthesis of Unsymmetrical Trialkoxysilanols: (RO) 2 (R′O)SiOH
journal, February 2018

  • Docherty, Scott R.; Estes, Deven P.; Copéret, Christophe
  • Helvetica Chimica Acta, Vol. 101, Issue 3
  • DOI: 10.1002/hlca.201700298

A reactive coordinatively saturated Mo( iii ) complex: exploiting the hemi-lability of tris( tert -butoxy)silanolate ligands
journal, January 2019

  • Pucino, Margherita; Allouche, Florian; Gordon, Christopher P.
  • Chemical Science, Vol. 10, Issue 25
  • DOI: 10.1039/c9sc01955c

Insights into Magnetic Interactions in a Monodisperse Gd 12 Fe 14 Metal Cluster
journal, August 2017

  • Zheng, Xiu-Ying; Zhang, Hui; Wang, Zhenxing
  • Angewandte Chemie, Vol. 129, Issue 38
  • DOI: 10.1002/ange.201705697

Low-Coordinated Titanium(III) Alkyl-Molecular and Surface-Complexes: Detailed Structure from Advanced EPR Spectroscopy
journal, July 2018

  • Allouche, Florian; Klose, Daniel; Gordon, Christopher P.
  • Angewandte Chemie International Edition, Vol. 57, Issue 44
  • DOI: 10.1002/anie.201806497

Facile Synthesis of Unsymmetrical Trialkoxysilanols: (RO) 2 (R′O)SiOH
journal, February 2018

  • Docherty, Scott R.; Estes, Deven P.; Copéret, Christophe
  • Helvetica Chimica Acta, Vol. 101, Issue 3
  • DOI: 10.1002/hlca.201700298

A reactive coordinatively saturated Mo( iii ) complex: exploiting the hemi-lability of tris( tert -butoxy)silanolate ligands
journal, January 2019

  • Pucino, Margherita; Allouche, Florian; Gordon, Christopher P.
  • Chemical Science, Vol. 10, Issue 25
  • DOI: 10.1039/c9sc01955c

Insights into Magnetic Interactions in a Monodisperse Gd 12 Fe 14 Metal Cluster
journal, August 2017

  • Zheng, Xiu-Ying; Zhang, Hui; Wang, Zhenxing
  • Angewandte Chemie International Edition, Vol. 56, Issue 38
  • DOI: 10.1002/anie.201705697

Slow Relaxation of Magnetization in the Cobalt-Containing Strontium Hydroxy/Fluoro-Apatite: Slow Relaxation of Magnetization in the Cobalt-Containing Strontium Hydroxy/Fluoro-Apatite
journal, October 2019

  • Zykin, Mikhail A.; Eliseev, Artem A.; Vasiliev, Alexander V.
  • European Journal of Inorganic Chemistry, Vol. 2019, Issue 43
  • DOI: 10.1002/ejic.201901017

Small Janus dimer as electric field manipulated molecular clam switch and electric information storage unit
journal, June 2019

  • Chen, Wei‐Hong; He, Hui‐Min; Li, Ying
  • International Journal of Quantum Chemistry, Vol. 119, Issue 21
  • DOI: 10.1002/qua.26005
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