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Title: ARPES study of X-point band overlaps in LaB 6 and SmB 6 — contrast to SrB 6 and EuB 6

Abstract

Here, angle resolved photoemission spectroscopy (ARPES) was used to study the complete absence of an X-point band gap for trivalent LaB 6 and a partial absence of the band gap for mixed valent SmB 6. A X-point band gap was found in divalent hexaborides. The two results indicate a nontrivial evolution of the band structure from divalent to trivalent hexaborides.

Authors:
 [1];  [1];  [2];  [1];  [1];  [3];  [4];  [5];  [6]
  1. Univ. of Michigan, Ann Arbor, MI (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Ames Lab., and Iowa State Univ., Ames, IA (United States)
  4. Univ. of Wisconsin, Stoughton, WI (United States)
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  6. Florida State Univ., Tallahassee, FL (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division; National Science Foundation (NSF)
OSTI Identifier:
1570974
Grant/Contract Number:  
AC02-05CH11231; FG-02-90ER45416
Resource Type:
Accepted Manuscript
Journal Name:
Physica. B, Condensed Matter
Additional Journal Information:
Journal Volume: 312-313; Journal Issue: C; Journal ID: ISSN 0921-4526
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Angle resolved photoemission; Hexaboride; Energy gap

Citation Formats

Mo, S. -K, Gweon, G. -H, Denlinger, J. D., Kim, H. -D, Allen, J. W., Olson, C. G., Höchst, H., Sarrao, J. L., and Fisk, Z. ARPES study of X-point band overlaps in LaB6 and SmB6 — contrast to SrB6 and EuB6. United States: N. p., 2001. Web. doi:10.1016/S0921-4526(01)01291-1.
Mo, S. -K, Gweon, G. -H, Denlinger, J. D., Kim, H. -D, Allen, J. W., Olson, C. G., Höchst, H., Sarrao, J. L., & Fisk, Z. ARPES study of X-point band overlaps in LaB6 and SmB6 — contrast to SrB6 and EuB6. United States. doi:10.1016/S0921-4526(01)01291-1.
Mo, S. -K, Gweon, G. -H, Denlinger, J. D., Kim, H. -D, Allen, J. W., Olson, C. G., Höchst, H., Sarrao, J. L., and Fisk, Z. Tue . "ARPES study of X-point band overlaps in LaB6 and SmB6 — contrast to SrB6 and EuB6". United States. doi:10.1016/S0921-4526(01)01291-1. https://www.osti.gov/servlets/purl/1570974.
@article{osti_1570974,
title = {ARPES study of X-point band overlaps in LaB6 and SmB6 — contrast to SrB6 and EuB6},
author = {Mo, S. -K and Gweon, G. -H and Denlinger, J. D. and Kim, H. -D and Allen, J. W. and Olson, C. G. and Höchst, H. and Sarrao, J. L. and Fisk, Z.},
abstractNote = {Here, angle resolved photoemission spectroscopy (ARPES) was used to study the complete absence of an X-point band gap for trivalent LaB6 and a partial absence of the band gap for mixed valent SmB6. A X-point band gap was found in divalent hexaborides. The two results indicate a nontrivial evolution of the band structure from divalent to trivalent hexaborides.},
doi = {10.1016/S0921-4526(01)01291-1},
journal = {Physica. B, Condensed Matter},
number = C,
volume = 312-313,
place = {United States},
year = {2001},
month = {11}
}

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