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Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism

[Image: see text] Magneto-ionics refers to the control of magnetic properties of materials through voltage-driven ion motion. To generate effective electric fields, either solid or liquid electrolytes are utilized, which also serve as ion reservoirs. Thin solid electrolytes have difficulties in (i)...

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Autores principales: Tan, Zhengwei, Ma, Zheng, Fuentes, Laura, Liedke, Maciej Oskar, Butterling, Maik, Attallah, Ahmed G., Hirschmann, Eric, Wagner, Andreas, Abad, Llibertat, Casañ-Pastor, Nieves, Lopeandia, Aitor F., Menéndez, Enric, Sort, Jordi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2023
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10100572/
https://www.ncbi.nlm.nih.gov/pubmed/36972329
http://dx.doi.org/10.1021/acsnano.3c01105
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author Tan, Zhengwei
Ma, Zheng
Fuentes, Laura
Liedke, Maciej Oskar
Butterling, Maik
Attallah, Ahmed G.
Hirschmann, Eric
Wagner, Andreas
Abad, Llibertat
Casañ-Pastor, Nieves
Lopeandia, Aitor F.
Menéndez, Enric
Sort, Jordi
author_facet Tan, Zhengwei
Ma, Zheng
Fuentes, Laura
Liedke, Maciej Oskar
Butterling, Maik
Attallah, Ahmed G.
Hirschmann, Eric
Wagner, Andreas
Abad, Llibertat
Casañ-Pastor, Nieves
Lopeandia, Aitor F.
Menéndez, Enric
Sort, Jordi
author_sort Tan, Zhengwei
collection PubMed
description [Image: see text] Magneto-ionics refers to the control of magnetic properties of materials through voltage-driven ion motion. To generate effective electric fields, either solid or liquid electrolytes are utilized, which also serve as ion reservoirs. Thin solid electrolytes have difficulties in (i) withstanding high electric fields without electric pinholes and (ii) maintaining stable ion transport during long-term actuation. In turn, the use of liquid electrolytes can result in poor cyclability, thus limiting their applicability. Here we propose a nanoscale-engineered magneto-ionic architecture (comprising a thin solid electrolyte in contact with a liquid electrolyte) that drastically enhances cyclability while preserving sufficiently high electric fields to trigger ion motion. Specifically, we show that the insertion of a highly nanostructured (amorphous-like) Ta layer (with suitable thickness and electric resistivity) between a magneto-ionic target material (i.e., Co(3)O(4)) and the liquid electrolyte increases magneto-ionic cyclability from <30 cycles (when no Ta is inserted) to more than 800 cycles. Transmission electron microscopy together with variable energy positron annihilation spectroscopy reveals the crucial role of the generated TaO(x) interlayer as a solid electrolyte (i.e., ionic conductor) that improves magneto-ionic endurance by proper tuning of the types of voltage-driven structural defects. The Ta layer is very effective in trapping oxygen and hindering O(2–) ions from moving into the liquid electrolyte, thus keeping O(2–) motion mainly restricted between Co(3)O(4) and Ta when voltage of alternating polarity is applied. We demonstrate that this approach provides a suitable strategy to boost magneto-ionics by combining the benefits of solid and liquid electrolytes in a synergetic manner.
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spelling pubmed-101005722023-04-14 Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism Tan, Zhengwei Ma, Zheng Fuentes, Laura Liedke, Maciej Oskar Butterling, Maik Attallah, Ahmed G. Hirschmann, Eric Wagner, Andreas Abad, Llibertat Casañ-Pastor, Nieves Lopeandia, Aitor F. Menéndez, Enric Sort, Jordi ACS Nano [Image: see text] Magneto-ionics refers to the control of magnetic properties of materials through voltage-driven ion motion. To generate effective electric fields, either solid or liquid electrolytes are utilized, which also serve as ion reservoirs. Thin solid electrolytes have difficulties in (i) withstanding high electric fields without electric pinholes and (ii) maintaining stable ion transport during long-term actuation. In turn, the use of liquid electrolytes can result in poor cyclability, thus limiting their applicability. Here we propose a nanoscale-engineered magneto-ionic architecture (comprising a thin solid electrolyte in contact with a liquid electrolyte) that drastically enhances cyclability while preserving sufficiently high electric fields to trigger ion motion. Specifically, we show that the insertion of a highly nanostructured (amorphous-like) Ta layer (with suitable thickness and electric resistivity) between a magneto-ionic target material (i.e., Co(3)O(4)) and the liquid electrolyte increases magneto-ionic cyclability from <30 cycles (when no Ta is inserted) to more than 800 cycles. Transmission electron microscopy together with variable energy positron annihilation spectroscopy reveals the crucial role of the generated TaO(x) interlayer as a solid electrolyte (i.e., ionic conductor) that improves magneto-ionic endurance by proper tuning of the types of voltage-driven structural defects. The Ta layer is very effective in trapping oxygen and hindering O(2–) ions from moving into the liquid electrolyte, thus keeping O(2–) motion mainly restricted between Co(3)O(4) and Ta when voltage of alternating polarity is applied. We demonstrate that this approach provides a suitable strategy to boost magneto-ionics by combining the benefits of solid and liquid electrolytes in a synergetic manner. American Chemical Society 2023-03-27 /pmc/articles/PMC10100572/ /pubmed/36972329 http://dx.doi.org/10.1021/acsnano.3c01105 Text en © 2023 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Tan, Zhengwei
Ma, Zheng
Fuentes, Laura
Liedke, Maciej Oskar
Butterling, Maik
Attallah, Ahmed G.
Hirschmann, Eric
Wagner, Andreas
Abad, Llibertat
Casañ-Pastor, Nieves
Lopeandia, Aitor F.
Menéndez, Enric
Sort, Jordi
Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism
title Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism
title_full Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism
title_fullStr Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism
title_full_unstemmed Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism
title_short Regulating Oxygen Ion Transport at the Nanoscale to Enable Highly Cyclable Magneto-Ionic Control of Magnetism
title_sort regulating oxygen ion transport at the nanoscale to enable highly cyclable magneto-ionic control of magnetism
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10100572/
https://www.ncbi.nlm.nih.gov/pubmed/36972329
http://dx.doi.org/10.1021/acsnano.3c01105
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