Giant piezoelectricity of Sm-doped Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 single crystals

There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

Abstract

High-performance piezoelectrics benefit transducers and sensors in a variety of electromechanical applications. The materials with the highest piezoelectric charge coefficients (d 33) are relaxor-PbTiO3 crystals, which were discovered two decades ago. We successfully grew Sm-doped Pb(Mg1/3Nb2/3)O3-PbTiO3 (Sm-PMN-PT) single crystals with even higher d 33 values ranging from 3400 to 4100 picocoulombs per newton, with variation below 20% over the as-grown crystal boule, exhibiting good property uniformity. We characterized the Sm-PMN-PT on the atomic scale with scanning transmission electron microscopy and made first-principles calculations to determine that the giant piezoelectric properties arise from the enhanced local structural heterogeneity introduced by Sm3+ dopants. Rare-earth doping is thus identified as a general strategy for introducing local structural heterogeneity in order to enhance the piezoelectricity of relaxor ferroelectric crystals.

Related collections

Author and article information

Contributors

Fei Li: (View ORCID Profile)

Matthew J. Cabral: (View ORCID Profile)

Bin Xu: (View ORCID Profile)

Elizabeth C. Dickey: (View ORCID Profile)

Jun Luo: (View ORCID Profile)

Samuel Taylor: (View ORCID Profile)

Wesley Hackenberger: (View ORCID Profile)

Long-Qing Chen: (View ORCID Profile)

Shujun Zhang: (View ORCID Profile)

Journal

Title: Science

Abbreviated Title: Science

Publisher: American Association for the Advancement of Science (AAAS)

ISSN (Print): 0036-8075

ISSN (Electronic): 1095-9203

Publication date Created: April 19 2019

Publication date (Print): April 19 2019

Volume: 364

Issue: 6437

Pages: 264-268

Affiliations

[1 ]Electronic Materials Research Lab, Key Lab of Education Ministry/International Center for Dielectric Research, School of Electronic and Information Engineering, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China.

[2 ]Materials Research Institute, Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA.

[3 ]Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA.

[4 ]School of Physical Science and Technology, Soochow University, Suzhou 215006, China.

[5 ]Institute for Nanoscience and Engineering and Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA.

[6 ]ISEM, Australian Institute for Innovative Materials, University of Wollongong, Wollongong, NSW 2500, Australia.

[7 ]TRS Technologies Inc., 2820 East College Avenue, State College, PA 16801, USA.

Article

DOI: 10.1126/science.aaw2781

PubMed ID: 31000659

SO-VID: bc2d9d5a-89d5-440f-9d0a-c29ce64c4a77

History

Data availability:

Comments

Comment on this article

scite_

Cited by 67

See all cited by

Giant piezoelectricity of Sm-doped Pb(Mg _1/3 Nb _2/3 )O ₃ -PbTiO ₃ single crystals

Read this article at