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  Heteroepitaxy of Co-Based Heusler Compound/Muscovite for Flexible Spintronics

Chen, Y.-C., Yen, M., Lai, Y.-H., Markou, A., Zhang, L., Chin, Y.-Y., et al. (2019). Heteroepitaxy of Co-Based Heusler Compound/Muscovite for Flexible Spintronics. ACS Applied Materials and Interfaces, 11(38), 35162-35168. doi:10.1021/acsami.9b12219.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-DA4F-F Version Permalink: http://hdl.handle.net/21.11116/0000-0004-DA53-9
Genre: Journal Article

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 Creators:
Chen, Yi-Cheng1, Author              
Yen, Min2, Author
Lai, Yu-Hong2, Author
Markou, Anastasios1, Author              
Zhang, Liguo1, Author              
Chin, Yi-Ying2, Author
Lin, Hong-Ji2, Author
Chen, Chien-Te2, Author
Felser, Claudia3, Author              
Chu, Ying-Hao2, Author
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: Materials with high spin-polarization play an important role in the development of spintronics. Co-based Heusler compounds are a promising candidate for practical applications because of their high Curie temperature and tunable half-metallicity. However, it is a challenge to integrate Heusler compounds into thin film heterostructures because of the lack of control on crystallinity and chemical disorder, critical factors of novel behaviors. Here, muscovite is introduced as a growth substrate to fabricate epitaxial Co2MnGa films with mechanical flexibility. The feature of heteroepitaxy is evidenced by the results of X-ray diffraction and transmission electron microscopy. Moreover, high chemical ordering with superior properties is delivered according to the observation of large Hall conductivity (680 Ω-1 cm-1) and highly saturated magnetic moment (∼3.93 μB/f.u.), matching well with bulk crystals. Furthermore, the excellence of magnetic and electrical properties is retained under the various mechanical bending conditions. Such a result suggests that the development of Co2MnGa/muscovite heteroepitaxy provides not only a pathway to the thin film heterostructure based on high-quality Heusler compounds but also a new aspect of spintronic applications on flexible substrates.

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Language(s): eng - English
 Dates: 2019-09-032019-09-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1021/acsami.9b12219
 Degree: -

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Title: ACS Applied Materials and Interfaces
  Abbreviation : ACS Appl. Mater. Interfaces
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 11 (38) Sequence Number: - Start / End Page: 35162 - 35168 Identifier: ISSN: 1944-8244
CoNE: https://pure.mpg.de/cone/journals/resource/1944-8244