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Title: New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach

Abstract

Auxetic-like strain states were generated in self-assembled nanocomposite thin films of (Ba₀̣₆Sr₀̣₄TiO₃)1-x – (Sm₂O₃)x (BSTO - SmO). A switch from auxetic-like to elastic-like strain behavior was observed for x > 0.50, when the SmO switched from being nanopillars in the BSTO matrix to being the matrix with BSTO nanopillars embedded in it. A simple model was adopted to explain how in-plane strain varies with x. At high x (0.75), strongly enhanced ferroelectric properties were obtained compared to pure BSTO films. The nanocomposite method represents a powerful new way to tune the properties of a wide range of strongly correlated metal oxides whose properties are very sensitive to strain.

Authors:
; ORCiD logo; ; ; ; ; ;
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1179645
Alternate Identifier(s):
OSTI ID: 1208851; OSTI ID: 1234659; OSTI ID: 1421209
Report Number(s):
LA-UR-15-25931
Journal ID: ISSN 2166-532X
Grant/Contract Number:  
AC52-06NA25936; DMR0846504; DMR1401266; ERC-2009-AdG-247276-NOVOX; AC52-06NA25396
Resource Type:
Published Article
Journal Name:
APL Materials
Additional Journal Information:
Journal Name: APL Materials Journal Volume: 3 Journal Issue: 6; Journal ID: ISSN 2166-532X
Publisher:
American Institute of Physics
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; thin films; nanocomposites; lattice constants; ferroelectric thin films; epitaxy; dielectric thin films

Citation Formats

MacManus-Driscoll, Judith, Suwardi, Ady, Kursumovic, Ahmed, Bi, Zhenxing, Tsai, Chen-Fong, Wang, Haiyan, Jia, Quanxi, and Lee, Oon Jew. New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach. United States: N. p., 2015. Web. doi:10.1063/1.4919059.
MacManus-Driscoll, Judith, Suwardi, Ady, Kursumovic, Ahmed, Bi, Zhenxing, Tsai, Chen-Fong, Wang, Haiyan, Jia, Quanxi, & Lee, Oon Jew. New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach. United States. https://doi.org/10.1063/1.4919059
MacManus-Driscoll, Judith, Suwardi, Ady, Kursumovic, Ahmed, Bi, Zhenxing, Tsai, Chen-Fong, Wang, Haiyan, Jia, Quanxi, and Lee, Oon Jew. Mon . "New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach". United States. https://doi.org/10.1063/1.4919059.
@article{osti_1179645,
title = {New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach},
author = {MacManus-Driscoll, Judith and Suwardi, Ady and Kursumovic, Ahmed and Bi, Zhenxing and Tsai, Chen-Fong and Wang, Haiyan and Jia, Quanxi and Lee, Oon Jew},
abstractNote = {Auxetic-like strain states were generated in self-assembled nanocomposite thin films of (Ba₀̣₆Sr₀̣₄TiO₃)1-x – (Sm₂O₃)x (BSTO - SmO). A switch from auxetic-like to elastic-like strain behavior was observed for x > 0.50, when the SmO switched from being nanopillars in the BSTO matrix to being the matrix with BSTO nanopillars embedded in it. A simple model was adopted to explain how in-plane strain varies with x. At high x (0.75), strongly enhanced ferroelectric properties were obtained compared to pure BSTO films. The nanocomposite method represents a powerful new way to tune the properties of a wide range of strongly correlated metal oxides whose properties are very sensitive to strain.},
doi = {10.1063/1.4919059},
journal = {APL Materials},
number = 6,
volume = 3,
place = {United States},
year = {2015},
month = {6}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1063/1.4919059

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Cited by: 8 works
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