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Title: Local structural distortion and electrical transport properties of Bi(Ni1/2Ti1/2)O3 perovskite under high pressure

Abstract

In this study, perovskite-structure materials generally exhibit local structural distortions that are distinct from long-range average crystal structure. The characterization of such distortion is critical to understanding the structura and physical properties of materials. In this work, we combined Pair Distribution Function (PDF) techniqu with Raman spectroscopy and electrical resistivity measurement to study Bi(Ni1/2Ti1/2)O3 perovskit under high pressure. PDF analysis reveals strong local structural distortion at ambient conditions As pressure increases, the local structure distortions are substantially suppressed and eventually vanis around 4 GPa, leading to concurrent changes in the electronic band structure and anomalies in the electrica resistivity. Consistent with PDF analysis, Raman spectroscopy data suggest that the local structure change to a higher ordered state at pressures above 4 GPa.

Authors:
 [1];  [2];  [3];  [3];  [2];  [4];  [5];  [6]
  1. Univ. of Nevada, Las Vegas, NV (United States)
  2. Center for High Pressure Science and Technology Advanced Research (HPSTAR), Shanghai (China); Carnegie Institution of Washington, Argonne, IL (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Stony Brook Univ., Stony Brook, NY (United States)
  5. Institute of Physics, CAS, Beijing (China)
  6. Univ. of Nevada, Las Vegas, NV (United States); Institute of Physics, CAS, Beijing (China)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Univ. of Nevada, Las Vegas, NV (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1259300
Alternate Identifier(s):
OSTI ID: 1332362
Grant/Contract Number:  
NA0001982; EAR 11-57758; FG02-99ER45775
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; phase transitions and critical phenomena; structural materials; phase transition and critical phenomena

Citation Formats

Zhu, Jinlong, Yang, Liuxiang, Wang, Hsiu -Wen, Zhang, Jianzhong, Yang, Wenge, Hong, Xinguo, Jin, Changqing, and Zhao, Yusheng. Local structural distortion and electrical transport properties of Bi(Ni1/2Ti1/2)O3 perovskite under high pressure. United States: N. p., 2015. Web. doi:10.1038/srep18229.
Zhu, Jinlong, Yang, Liuxiang, Wang, Hsiu -Wen, Zhang, Jianzhong, Yang, Wenge, Hong, Xinguo, Jin, Changqing, & Zhao, Yusheng. Local structural distortion and electrical transport properties of Bi(Ni1/2Ti1/2)O3 perovskite under high pressure. United States. https://doi.org/10.1038/srep18229
Zhu, Jinlong, Yang, Liuxiang, Wang, Hsiu -Wen, Zhang, Jianzhong, Yang, Wenge, Hong, Xinguo, Jin, Changqing, and Zhao, Yusheng. 2015. "Local structural distortion and electrical transport properties of Bi(Ni1/2Ti1/2)O3 perovskite under high pressure". United States. https://doi.org/10.1038/srep18229. https://www.osti.gov/servlets/purl/1259300.
@article{osti_1259300,
title = {Local structural distortion and electrical transport properties of Bi(Ni1/2Ti1/2)O3 perovskite under high pressure},
author = {Zhu, Jinlong and Yang, Liuxiang and Wang, Hsiu -Wen and Zhang, Jianzhong and Yang, Wenge and Hong, Xinguo and Jin, Changqing and Zhao, Yusheng},
abstractNote = {In this study, perovskite-structure materials generally exhibit local structural distortions that are distinct from long-range average crystal structure. The characterization of such distortion is critical to understanding the structura and physical properties of materials. In this work, we combined Pair Distribution Function (PDF) techniqu with Raman spectroscopy and electrical resistivity measurement to study Bi(Ni1/2Ti1/2)O3 perovskit under high pressure. PDF analysis reveals strong local structural distortion at ambient conditions As pressure increases, the local structure distortions are substantially suppressed and eventually vanis around 4 GPa, leading to concurrent changes in the electronic band structure and anomalies in the electrica resistivity. Consistent with PDF analysis, Raman spectroscopy data suggest that the local structure change to a higher ordered state at pressures above 4 GPa.},
doi = {10.1038/srep18229},
url = {https://www.osti.gov/biblio/1259300}, journal = {Scientific Reports},
issn = {2045-2322},
number = ,
volume = 5,
place = {United States},
year = {Wed Dec 16 00:00:00 EST 2015},
month = {Wed Dec 16 00:00:00 EST 2015}
}

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Cited by: 7 works
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Works referenced in this record:

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