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Stable Correlated 4d(2) SrMoO3 Films Epitaxially Coated on Al2O3 for Electromagnetic Shielding and Transparent Conductors

Title
Stable Correlated 4d(2) SrMoO3 Films Epitaxially Coated on Al2O3 for Electromagnetic Shielding and Transparent Conductors
Author(s)
Ha, YoungkyoungLee, Shinbuhm
Issued Date
2022-11
Citation
Advanced Materials Interfaces, v.9, no.31
Type
Article
Author Keywords
AlO-2(3)correlated perovskiteselectromagnetic shielding effectivenessepitaxial filmsthermal stabilitytransparent conductors
ISSN
2196-7350
Abstract
Correlated perovskites have attracted significant attention worldwide for their potential application in transparent conductors. However, most studies in this area have focused on single-crystalline films grown on expensive perovskites. In this study, the transparent conducting properties of SrMoO3 epitaxial films grown on Al2O3, the most commonly used substrate for optoelectronics, are investigated. The 45−80-nm-thick SrMoO3 epitaxial films on (Formula presented.) -oriented Al2O3 exhibit low sheet resistance (< 50 Ω □−1) at room temperature and high ultraviolet-visible transmittances (> 60%), comparable with the values expected from single-crystalline films. The highly conductive properties induced by two electrons in the outermost 4d orbitals guarantee a high electromagnetic shielding effectiveness of approximately 28.5 dB at 10 GHz in the X-band. The SrMoO3 films are thermally stable below 450 °C in air and 700 °C in vacuum. Taken together, these results indicate that SrMoO3 epitaxial films grown on (Formula presented.) Al2O3 can be highly promising for optoelectronic applications in extreme environments. © 2022 Wiley-VCH GmbH.
URI
http://hdl.handle.net/20.500.11750/17009
DOI
10.1002/admi.202200893
Publisher
Wiley
Related Researcher
  • 이신범 Lee, Shinbuhm 화학물리학과
  • Research Interests Multifunctional films; Experimental condensed matter physics
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Appears in Collections:
Department of Physics and Chemistry Semiconductor Energy Sensor Laboratory 1. Journal Articles

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