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Title: Pressure evolution of electrical transport in the 3D topological insulator (Bi,Sb) 2 (Se,Te) 3

Abstract

The group V-VI compounds|like Bi 2Se 3, Sb 2Te 3, or Bi 2Te 3|have been widely studied in recent years for their bulk topological properties. The high-Z members of this series form with the same crystal structure, and are therefore amenable to isostructural substitution studies. It is possible to tune the Bi-Sb and Te-Se ratios such that the material exhibits insulating behavior, thus providing an excellent platform for understanding how a topological insulator evolves with applied pressure. We report our observations of the pressure-dependent electrical transport and crystal structure of a pseudobinary (Bi,Sb) 2(Te,Se) 3 compound. Similar to some of its sister compounds, the (Bi,Sb) 2(Te,Se) 3 pseudobinary compound undergoes multiple, pressure-induced phase transformations that result in metallization, the onset of a close-packed crystal structure, and the development of distinct superconducting phases.

Authors:
 [1];  [2];  [3];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  3. Univ. of Alabama, Tuscaloosa, AL (United States)
Publication Date:
Research Org.:
Carnegie Inst. of Washington, Argonne, IL (United States). Geophysical Lab.
Sponsoring Org.:
USDOE Office of Legacy Management (LM), Office of Site Operations (LM-20); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1338319
Grant/Contract Number:  
NA0002006
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of Physics. Conference Series (Online)
Additional Journal Information:
Journal Name: Journal of Physics. Conference Series (Online); Journal Volume: 592; Journal ID: ISSN 1742-6596
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Jeffries, J. R., Butch, N. P., Vohra, Y. K., and Weir, S. T. Pressure evolution of electrical transport in the 3D topological insulator (Bi,Sb) 2 (Se,Te) 3. United States: N. p., 2015. Web. doi:10.1088/1742-6596/592/1/012124.
Jeffries, J. R., Butch, N. P., Vohra, Y. K., & Weir, S. T. Pressure evolution of electrical transport in the 3D topological insulator (Bi,Sb) 2 (Se,Te) 3. United States. doi:10.1088/1742-6596/592/1/012124.
Jeffries, J. R., Butch, N. P., Vohra, Y. K., and Weir, S. T. Wed . "Pressure evolution of electrical transport in the 3D topological insulator (Bi,Sb) 2 (Se,Te) 3". United States. doi:10.1088/1742-6596/592/1/012124. https://www.osti.gov/servlets/purl/1338319.
@article{osti_1338319,
title = {Pressure evolution of electrical transport in the 3D topological insulator (Bi,Sb) 2 (Se,Te) 3},
author = {Jeffries, J. R. and Butch, N. P. and Vohra, Y. K. and Weir, S. T.},
abstractNote = {The group V-VI compounds|like Bi2Se3, Sb2Te3, or Bi2Te3|have been widely studied in recent years for their bulk topological properties. The high-Z members of this series form with the same crystal structure, and are therefore amenable to isostructural substitution studies. It is possible to tune the Bi-Sb and Te-Se ratios such that the material exhibits insulating behavior, thus providing an excellent platform for understanding how a topological insulator evolves with applied pressure. We report our observations of the pressure-dependent electrical transport and crystal structure of a pseudobinary (Bi,Sb)2(Te,Se)3 compound. Similar to some of its sister compounds, the (Bi,Sb)2(Te,Se)3 pseudobinary compound undergoes multiple, pressure-induced phase transformations that result in metallization, the onset of a close-packed crystal structure, and the development of distinct superconducting phases.},
doi = {10.1088/1742-6596/592/1/012124},
journal = {Journal of Physics. Conference Series (Online)},
number = ,
volume = 592,
place = {United States},
year = {Wed Mar 18 00:00:00 EDT 2015},
month = {Wed Mar 18 00:00:00 EDT 2015}
}

Journal Article:
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