Open AccessVan der Waals epitaxy of functional MoO2 film on mica for flexible electronics
Author(s) -
Chun-Hao Ma,
JhengCyuan Lin,
HengJui Liu,
Thi Hien,
Yuanmin Zhu,
Thai Duy Ha,
Qian Zhan,
JenhYih Juang,
Qing He,
Elke Arenholz,
PoWen Chiu,
YingHao Chu
Publication year - 2016
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/1.4954172
Subject(s) - epitaxy , muscovite , materials science , heterojunction , flexible electronics , substrate (aquarium) , van der waals force , mica , electronics , nanotechnology , thin film , optoelectronics , oxide , electron diffraction , layer (electronics) , diffraction , chemistry , optics , composite material , molecule , oceanography , quartz , organic chemistry , physics , geology , metallurgy
Flexible electronics have a great potential to impact consumer electronics and with that our daily life. Currently, no direct growth of epitaxial functional oxides on commercially available flexible substrates is possible. In this study, in order to address this challenge, muscovite, a common layered oxide, is used as a flexible substrate that is chemically similar to typical functional oxides. We fabricated epitaxial MoO2 films on muscovite via pulsed laser deposition technique. A combination of X-ray diffraction and transmission electron microscopy confirms van der Waals epitaxy of the heterostructures. The electrical transport properties of MoO2 films are similar to those of the bulk. Flexible or free-standing MoO2 thin film can be obtained and serve as a template to integrate additional functional oxide layers. Our study demonstrates a remarkable concept to create flexible electronics based on functional oxides
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