%0 Journal Article
%A Chen, Yi-Cheng
%A Yen, Min
%A Lai, Yu-Hong
%A Markou, Anastasios
%A Zhang, Liguo
%A Chin, Yi-Ying
%A Lin, Hong-Ji
%A Chen, Chien-Te
%A Felser, Claudia
%A Chu, Ying-Hao
%D 2019
%T Heteroepitaxy
of Co-Based Heusler Compound/Muscovite
for Flexible Spintronics
%U https://acs.figshare.com/articles/journal_contribution/Heteroepitaxy_of_Co-Based_Heusler_Compound_Muscovite_for_Flexible_Spintronics/9807896
%R 10.1021/acsami.9b12219.s001
%2 https://acs.figshare.com/ndownloader/files/17597096
%K heteroepitaxy
%K Flexible Spintronics Materials
%K substrate
%K Heusler compounds
%K spintronic
%K Co-based Heusler compounds
%K transmission electron microscopy
%K chemical
%K application
%K heterostructure
%K epitaxial Co 2 MnGa films
%X 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.
%I ACS Publications