Structural phase transitions in SrTiO3 nanoparticles
Abstract
We present that pressure dependent structural measurements on monodispersed nanoscale SrTiO3 samples with average diameters of 10 to ~80 nm were conducted to enhance the understanding of the structural phase diagram of nanoscale SrTiO3. A robust pressure independent polar structure was found in the 10 nm sample for pressures up to 13 GPa, while a size dependent cubic to tetragonal transition occurs (at P = Pc) for larger particle sizes. In conclusion, the results suggest that the growth of ~10 nm STO particles on substrates with significant lattice mismatch may maintain a polar state for a large range of strain values, possibly enabling device use.
- Authors:
-
- New Jersey Inst. of Technology, Newark, NJ (United States). Department of Physics
- State University of New York at Stony Brook, Stony Brook, NY (United States). Department of Chemistry
- State University of New York at Stony Brook, Stony Brook, NY (United States). Department of Chemistry ; Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Division
- Stony Brook Univ., NY (United States). Mineral Physics Institute; Center for High Pressure Science and Technology Advanced Research, Beijing (China)
- Univ. of Chicago, IL (United States). Center for Advanced Radiation Sources
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1376161
- Report Number(s):
- BNL-114120-2017-JA
Journal ID: ISSN 0003-6951; R&D Project: PM037; KC0201030
- Grant/Contract Number:
- SC0012704; FG02-07ER46402; AC02-98CH10886; FG02-94ER14466
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Volume: 111; Journal Issue: 5; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Zhang, Han, Liu, Sizhan, Scofield, Megan E., Wong, Stanislaus S., Hong, Xinguo, Prakapenka, Vitali B., Greenberg, Eran, and Tyson, Trevor A. Structural phase transitions in SrTiO3 nanoparticles. United States: N. p., 2017.
Web. doi:10.1063/1.4997332.
Zhang, Han, Liu, Sizhan, Scofield, Megan E., Wong, Stanislaus S., Hong, Xinguo, Prakapenka, Vitali B., Greenberg, Eran, & Tyson, Trevor A. Structural phase transitions in SrTiO3 nanoparticles. United States. https://doi.org/10.1063/1.4997332
Zhang, Han, Liu, Sizhan, Scofield, Megan E., Wong, Stanislaus S., Hong, Xinguo, Prakapenka, Vitali B., Greenberg, Eran, and Tyson, Trevor A. Fri .
"Structural phase transitions in SrTiO3 nanoparticles". United States. https://doi.org/10.1063/1.4997332. https://www.osti.gov/servlets/purl/1376161.
@article{osti_1376161,
title = {Structural phase transitions in SrTiO3 nanoparticles},
author = {Zhang, Han and Liu, Sizhan and Scofield, Megan E. and Wong, Stanislaus S. and Hong, Xinguo and Prakapenka, Vitali B. and Greenberg, Eran and Tyson, Trevor A.},
abstractNote = {We present that pressure dependent structural measurements on monodispersed nanoscale SrTiO3 samples with average diameters of 10 to ~80 nm were conducted to enhance the understanding of the structural phase diagram of nanoscale SrTiO3. A robust pressure independent polar structure was found in the 10 nm sample for pressures up to 13 GPa, while a size dependent cubic to tetragonal transition occurs (at P = Pc) for larger particle sizes. In conclusion, the results suggest that the growth of ~10 nm STO particles on substrates with significant lattice mismatch may maintain a polar state for a large range of strain values, possibly enabling device use.},
doi = {10.1063/1.4997332},
journal = {Applied Physics Letters},
number = 5,
volume = 111,
place = {United States},
year = {Fri Aug 04 00:00:00 EDT 2017},
month = {Fri Aug 04 00:00:00 EDT 2017}
}
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