Ba2TeO: A new layered oxytelluride
Abstract
Single crystals of the new semiconducting oxytelluride phase, Ba2TeO, were synthesized from barium oxide powder and elemental tellurium in a molten barium metal flux. Ba2TeO crystallizes in tetragonal symmetry with space group P4/nmm (#129), a = 5.0337(1) angstrom, c = 9.9437(4) angstrom, Z = 2. The crystals were characterized by single crystal x-ray diffraction, heat capacity and optical measurements. The optical measurements along with electronic band structure calculations indicate semiconductor behavior with a band gap of 2.93 eV. Lastly, resistivity measurements show that Ba2TeO is highly insulating.
- Authors:
-
- Condensed Matter Sciences Dept., Tallahassee, FL (United States)
- Condensed Matter Sciences Dept., Tallahassee, FL (United States); Florida State Univ., Tallahassee, FL (United States)
- Condensed Matter Sciences Dept., Tallahassee, FL (United States); Florida State Univ., Tallahassee, FL (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Condensed Matter Sciences Dept., Tallahassee, FL (United States); Specialized Crystal Processing, Inc., Tallahassee, FL (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Florida State Univ., Tallahassee, FL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1185703
- Alternate Identifier(s):
- OSTI ID: 1246685; OSTI ID: 1333507
- Grant/Contract Number:
- AC05-00OR22725; SC0008832
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Solid State Chemistry
- Additional Journal Information:
- Journal Volume: 222; Journal Issue: C; Journal ID: ISSN 0022-4596
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; oxytelluride; single crystal growth; single crystal x-ray diffraction; layered structure; semiconductor
Citation Formats
Besara, T., Ramirez, D., Sun, J., Whalen, J. B., Tokumoto, T. D., McGill, S. A., Singh, D. J., and Siegrist, T. Ba2TeO: A new layered oxytelluride. United States: N. p., 2015.
Web. doi:10.1016/j.jssc.2014.11.003.
Besara, T., Ramirez, D., Sun, J., Whalen, J. B., Tokumoto, T. D., McGill, S. A., Singh, D. J., & Siegrist, T. Ba2TeO: A new layered oxytelluride. United States. https://doi.org/10.1016/j.jssc.2014.11.003
Besara, T., Ramirez, D., Sun, J., Whalen, J. B., Tokumoto, T. D., McGill, S. A., Singh, D. J., and Siegrist, T. Sun .
"Ba2TeO: A new layered oxytelluride". United States. https://doi.org/10.1016/j.jssc.2014.11.003. https://www.osti.gov/servlets/purl/1185703.
@article{osti_1185703,
title = {Ba2TeO: A new layered oxytelluride},
author = {Besara, T. and Ramirez, D. and Sun, J. and Whalen, J. B. and Tokumoto, T. D. and McGill, S. A. and Singh, D. J. and Siegrist, T.},
abstractNote = {Single crystals of the new semiconducting oxytelluride phase, Ba2TeO, were synthesized from barium oxide powder and elemental tellurium in a molten barium metal flux. Ba2TeO crystallizes in tetragonal symmetry with space group P4/nmm (#129), a = 5.0337(1) angstrom, c = 9.9437(4) angstrom, Z = 2. The crystals were characterized by single crystal x-ray diffraction, heat capacity and optical measurements. The optical measurements along with electronic band structure calculations indicate semiconductor behavior with a band gap of 2.93 eV. Lastly, resistivity measurements show that Ba2TeO is highly insulating.},
doi = {10.1016/j.jssc.2014.11.003},
journal = {Journal of Solid State Chemistry},
number = C,
volume = 222,
place = {United States},
year = {Sun Feb 01 00:00:00 EST 2015},
month = {Sun Feb 01 00:00:00 EST 2015}
}
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