Flexible Heteroepitaxy of CoFe2O4/Muscovite Bimorph with Large Magnetostriction

Heng Jui Liu, Chih Kuo Wang, Dong Su, Tahta Amrillah, Ying Hui Hsieh, Kun Hong Wu, Yi Chun Chen, Jenh Yih Juang, Lukas M. Eng, Shien Uang Jen, Ying Hao Chu

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A bimorph composed of ferrimagnetic cobalt ferrite (CoFe2O4, CFO) and flexible muscovite was fabricated via van der Waals epitaxy. The combination of X-ray diffraction and transmission electron microscopy was conducted to reveal the heteroepitaxy of the CFO/muscovite system. The robust magnetic behaviors against mechanical bending were characterized by hysteresis measurements and magnetic force microscopy, which maintain a saturation magnetization (Ms) of ∼120-150 emu/cm3 under different bending states. The large magnetostrictive response of the CFO film was then determined by digital holographic microscopy, where the difference of magnetostrction coefficient (δ λ) is -104 ppm. The superior performance of this bimorph is attributed to the nature of weak interaction between film and substrate. Such a flexible CFO/muscovite bimorph provides a new platform to develop next-generation flexible magnetic devices.

Original languageEnglish
Pages (from-to)7297-7304
Number of pages8
JournalACS Applied Materials and Interfaces
Volume9
Issue number8
DOIs
Publication statusPublished - 2017 Mar 1

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Magnetostriction
Epitaxial growth
Magnetic devices
Magnetic force microscopy
Saturation magnetization
Ferrite
Hysteresis
Cobalt
Microscopic examination
Transmission electron microscopy
X ray diffraction
Substrates
cobalt ferrite
muscovite

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Liu, H. J., Wang, C. K., Su, D., Amrillah, T., Hsieh, Y. H., Wu, K. H., ... Chu, Y. H. (2017). Flexible Heteroepitaxy of CoFe2O4/Muscovite Bimorph with Large Magnetostriction. ACS Applied Materials and Interfaces, 9(8), 7297-7304. https://doi.org/10.1021/acsami.6b16485
Liu, Heng Jui ; Wang, Chih Kuo ; Su, Dong ; Amrillah, Tahta ; Hsieh, Ying Hui ; Wu, Kun Hong ; Chen, Yi Chun ; Juang, Jenh Yih ; Eng, Lukas M. ; Jen, Shien Uang ; Chu, Ying Hao. / Flexible Heteroepitaxy of CoFe2O4/Muscovite Bimorph with Large Magnetostriction. In: ACS Applied Materials and Interfaces. 2017 ; Vol. 9, No. 8. pp. 7297-7304.
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Liu, HJ, Wang, CK, Su, D, Amrillah, T, Hsieh, YH, Wu, KH, Chen, YC, Juang, JY, Eng, LM, Jen, SU & Chu, YH 2017, 'Flexible Heteroepitaxy of CoFe2O4/Muscovite Bimorph with Large Magnetostriction', ACS Applied Materials and Interfaces, vol. 9, no. 8, pp. 7297-7304. https://doi.org/10.1021/acsami.6b16485

Flexible Heteroepitaxy of CoFe2O4/Muscovite Bimorph with Large Magnetostriction. / Liu, Heng Jui; Wang, Chih Kuo; Su, Dong; Amrillah, Tahta; Hsieh, Ying Hui; Wu, Kun Hong; Chen, Yi Chun; Juang, Jenh Yih; Eng, Lukas M.; Jen, Shien Uang; Chu, Ying Hao.

In: ACS Applied Materials and Interfaces, Vol. 9, No. 8, 01.03.2017, p. 7297-7304.

Research output: Contribution to journalArticle

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AU - Chu, Ying Hao

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