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Title: Experimental study of the valence band of Bi 2 Se 3

Abstract

The valence band of Bi 2Se 3 is investigated with Shubnikov - de Haas measurements, galvanomagnetic and thermoelectric transport. At low hole concentration, the hole Fermi surface is closed and box-like, but at higher concentrations it develops tube-like extensions that are open. The experimentally determined density-of-states effective mass is lighter than density-functional theory calculations predict; while we cannot give a definitive explanation for this, we suspect that the theory may lack sufficient precision to compute room-temperature transport properties, such as the Seebeck coefficient, in solids in which there are Van der Waals interlayer bonds.

Authors:
 [1];  [1];  [2];  [3];  [4]
  1. The Ohio State Univ., Columbus, OH (United States). Dept of Mechanical and Aerospace Engineering
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
  3. Gentherm, Inc., Azusa, CA (United States)
  4. The Ohio State Univ., Columbus, OH (United States). Dept of Mechanical and Aerospace Engineering; The Ohio State Univ., Columbus, OH (United States). Dept of Physics
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1185394
Alternate Identifier(s):
OSTI ID: 1179946
Grant/Contract Number:  
AC05-00OR22725; CBET-1048622
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 90; Journal Issue: 12; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; thermoelectric

Citation Formats

Gao, Yi-Bin, He, Bin, Parker, David, Androulakis, Ioannis, and Heremans, Joseph P. Experimental study of the valence band of Bi2Se3. United States: N. p., 2014. Web. doi:10.1103/PhysRevB.90.125204.
Gao, Yi-Bin, He, Bin, Parker, David, Androulakis, Ioannis, & Heremans, Joseph P. Experimental study of the valence band of Bi2Se3. United States. doi:10.1103/PhysRevB.90.125204.
Gao, Yi-Bin, He, Bin, Parker, David, Androulakis, Ioannis, and Heremans, Joseph P. Fri . "Experimental study of the valence band of Bi2Se3". United States. doi:10.1103/PhysRevB.90.125204. https://www.osti.gov/servlets/purl/1185394.
@article{osti_1185394,
title = {Experimental study of the valence band of Bi2Se3},
author = {Gao, Yi-Bin and He, Bin and Parker, David and Androulakis, Ioannis and Heremans, Joseph P.},
abstractNote = {The valence band of Bi2Se3 is investigated with Shubnikov - de Haas measurements, galvanomagnetic and thermoelectric transport. At low hole concentration, the hole Fermi surface is closed and box-like, but at higher concentrations it develops tube-like extensions that are open. The experimentally determined density-of-states effective mass is lighter than density-functional theory calculations predict; while we cannot give a definitive explanation for this, we suspect that the theory may lack sufficient precision to compute room-temperature transport properties, such as the Seebeck coefficient, in solids in which there are Van der Waals interlayer bonds.},
doi = {10.1103/PhysRevB.90.125204},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
number = 12,
volume = 90,
place = {United States},
year = {Fri Sep 26 00:00:00 EDT 2014},
month = {Fri Sep 26 00:00:00 EDT 2014}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 7 works
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Works referenced in this record:

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