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

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

Auxetic-like strain states were generated in self-assembled nanocomposite thin films of (Ba0.6Sr0.4TiO3)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 ma...

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Main Authors: Judith MacManus-Driscoll, Ady Suwardi, Ahmed Kursumovic, Zhenxing Bi, Chen-Fong Tsai, Haiyan Wang, Quanxi Jia, Oon Jew Lee
Format: Article
Language:English
Published: AIP Publishing LLC 2015-06-01
Series:APL Materials
Online Access:http://dx.doi.org/10.1063/1.4919059
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spelling doaj-ed7edbdbe21146b88f6d257676b90ef02020-11-24T23:55:55ZengAIP Publishing LLCAPL Materials2166-532X2015-06-0136062507062507-910.1063/1.4919059011592APMNew strain states and radical property tuning of metal oxides using a nanocomposite thin film approachJudith MacManus-Driscoll0Ady Suwardi1Ahmed Kursumovic2Zhenxing Bi3Chen-Fong Tsai4Haiyan Wang5Quanxi Jia6Oon Jew Lee7Device Materials Group, Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United KingdomDevice Materials Group, Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United KingdomDevice Materials Group, Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United KingdomDepartment of Electrical and Computer Engineering, Texas A&M University, College Station, Texas 77843, USAMaterial Science and Engineering Program, Texas A&M University, College Station, Texas 77843, USADepartment of Electrical and Computer Engineering, Texas A&M University, College Station, Texas 77843, USACenter for Integrated Nanotechnologies (CINT), Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USADevice Materials Group, Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB3 0FS, United KingdomAuxetic-like strain states were generated in self-assembled nanocomposite thin films of (Ba0.6Sr0.4TiO3)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.http://dx.doi.org/10.1063/1.4919059
collection DOAJ
language English
format Article
sources DOAJ
author Judith MacManus-Driscoll
Ady Suwardi
Ahmed Kursumovic
Zhenxing Bi
Chen-Fong Tsai
Haiyan Wang
Quanxi Jia
Oon Jew Lee
spellingShingle Judith MacManus-Driscoll
Ady Suwardi
Ahmed Kursumovic
Zhenxing Bi
Chen-Fong Tsai
Haiyan Wang
Quanxi Jia
Oon Jew Lee
New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
APL Materials
author_facet Judith MacManus-Driscoll
Ady Suwardi
Ahmed Kursumovic
Zhenxing Bi
Chen-Fong Tsai
Haiyan Wang
Quanxi Jia
Oon Jew Lee
author_sort Judith MacManus-Driscoll
title New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
title_short New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
title_full New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
title_fullStr New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
title_full_unstemmed New strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
title_sort new strain states and radical property tuning of metal oxides using a nanocomposite thin film approach
publisher AIP Publishing LLC
series APL Materials
issn 2166-532X
publishDate 2015-06-01
description Auxetic-like strain states were generated in self-assembled nanocomposite thin films of (Ba0.6Sr0.4TiO3)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.
url http://dx.doi.org/10.1063/1.4919059
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