CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials

Abstract The preparation of 2D magnetoelectric (ME) nanomaterials with strong ME coupling is crucial for the fast reading and writing processes in the next generation of storage devices. Herein, 2D BaTiO3 (BTO)‐CoFe2O4 (CFO) ME nanocomposites are prepared through a substrate‐free coupling strategy u...

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Main Authors: Bo Gao, Song Xu, Qun Xu
Format: Article
Language:English
Published: Wiley 2024-02-01
Series:Advanced Science
Subjects:
Online Access:https://doi.org/10.1002/advs.202303692
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author Bo Gao
Song Xu
Qun Xu
author_facet Bo Gao
Song Xu
Qun Xu
author_sort Bo Gao
collection DOAJ
description Abstract The preparation of 2D magnetoelectric (ME) nanomaterials with strong ME coupling is crucial for the fast reading and writing processes in the next generation of storage devices. Herein, 2D BaTiO3 (BTO)‐CoFe2O4 (CFO) ME nanocomposites are prepared through a substrate‐free coupling strategy using supercritical CO2. Such 2D BTO‐CFO with strong coupling is built through alternating in‐plane and out‐of‐plane epitaxy stacking, leading to remarkable mutual biaxial strain effects for spin‐lattice coupling. As a results, such strain effect significantly enhances the ferroelectricity of BTO and the ferrimagnetism of CFO, where an unexceptionally high ME coupling coefficient of (325.8 mV cm−1 Oe−1) is obtained for the BTO‐CFO nanocomposites.
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spelling doaj.art-c1359cbe5cda41c98658aa425ce017da2024-02-03T05:02:44ZengWileyAdvanced Science2198-38442024-02-01115n/an/a10.1002/advs.202303692CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric MaterialsBo Gao0Song Xu1Qun Xu2College of Materials Science & Engineering Zhengzhou University Zhengzhou 450001 P. R. ChinaInstitute of Advanced Technology Zhengzhou University Zhengzhou 450001 P. R. ChinaCollege of Materials Science & Engineering Zhengzhou University Zhengzhou 450001 P. R. ChinaAbstract The preparation of 2D magnetoelectric (ME) nanomaterials with strong ME coupling is crucial for the fast reading and writing processes in the next generation of storage devices. Herein, 2D BaTiO3 (BTO)‐CoFe2O4 (CFO) ME nanocomposites are prepared through a substrate‐free coupling strategy using supercritical CO2. Such 2D BTO‐CFO with strong coupling is built through alternating in‐plane and out‐of‐plane epitaxy stacking, leading to remarkable mutual biaxial strain effects for spin‐lattice coupling. As a results, such strain effect significantly enhances the ferroelectricity of BTO and the ferrimagnetism of CFO, where an unexceptionally high ME coupling coefficient of (325.8 mV cm−1 Oe−1) is obtained for the BTO‐CFO nanocomposites.https://doi.org/10.1002/advs.202303692biaxial strainmagnetoelectric nanomaterialsnanocompositesself‐assemblyspin‐lattice coupling
spellingShingle Bo Gao
Song Xu
Qun Xu
CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials
Advanced Science
biaxial strain
magnetoelectric nanomaterials
nanocomposites
self‐assembly
spin‐lattice coupling
title CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials
title_full CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials
title_fullStr CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials
title_full_unstemmed CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials
title_short CO2‐Induced Spin‐Lattice Coupling for Strong Magnetoelectric Materials
title_sort co2 induced spin lattice coupling for strong magnetoelectric materials
topic biaxial strain
magnetoelectric nanomaterials
nanocomposites
self‐assembly
spin‐lattice coupling
url https://doi.org/10.1002/advs.202303692
work_keys_str_mv AT bogao co2inducedspinlatticecouplingforstrongmagnetoelectricmaterials
AT songxu co2inducedspinlatticecouplingforstrongmagnetoelectricmaterials
AT qunxu co2inducedspinlatticecouplingforstrongmagnetoelectricmaterials