Electrical transport properties of single-crystal , and
Abstract
We measure the electrical resistivity and Hall effect of alkaline-earth-metal hexaboride single crystals as a function of temperature, hydrostatic pressure, and magnetic field. The transport properties vary weakly with the external parameters and are modeled in terms of intrinsic variable-valence defects. These defects can stay either in (1) delocalized shallow levels or in (2) localized levels resonant with the conduction band, which can be neutral or negatively charged. Satisfactory agreement is obtained for electronic transport properties in a broad temperature and pressure range, though fitting the magnetoresistance is less straightforward and a combination of various mechanisms is needed to explain the field and temperature dependences.
- Authors:
-
- Univ. of Zaragoza (Spain). Dept. of Condensed Material Physics, Inst. of Materials Science
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
- Florida State Univ., Tallahassee, FL (United States). Dept. of Physics
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1392877
- Alternate Identifier(s):
- OSTI ID: 1326127
- Report Number(s):
- LA-UR-17-23575
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702708
- Grant/Contract Number:
- AC52-06NA25396; FG02-98ER45707
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 12; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Material Science
Citation Formats
Stankiewicz, Jolanta, Rosa, Priscila F. S., Schlottmann, Pedro, and Fisk, Zachary. Electrical transport properties of single-crystal CaB6,SrB6 , and BaB6. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.94.125141.
Stankiewicz, Jolanta, Rosa, Priscila F. S., Schlottmann, Pedro, & Fisk, Zachary. Electrical transport properties of single-crystal CaB6,SrB6 , and BaB6. United States. https://doi.org/10.1103/PhysRevB.94.125141
Stankiewicz, Jolanta, Rosa, Priscila F. S., Schlottmann, Pedro, and Fisk, Zachary. Thu .
"Electrical transport properties of single-crystal CaB6,SrB6 , and BaB6". United States. https://doi.org/10.1103/PhysRevB.94.125141. https://www.osti.gov/servlets/purl/1392877.
@article{osti_1392877,
title = {Electrical transport properties of single-crystal CaB6,SrB6 , and BaB6},
author = {Stankiewicz, Jolanta and Rosa, Priscila F. S. and Schlottmann, Pedro and Fisk, Zachary},
abstractNote = {We measure the electrical resistivity and Hall effect of alkaline-earth-metal hexaboride single crystals as a function of temperature, hydrostatic pressure, and magnetic field. The transport properties vary weakly with the external parameters and are modeled in terms of intrinsic variable-valence defects. These defects can stay either in (1) delocalized shallow levels or in (2) localized levels resonant with the conduction band, which can be neutral or negatively charged. Satisfactory agreement is obtained for electronic transport properties in a broad temperature and pressure range, though fitting the magnetoresistance is less straightforward and a combination of various mechanisms is needed to explain the field and temperature dependences.},
doi = {10.1103/PhysRevB.94.125141},
journal = {Physical Review B},
number = 12,
volume = 94,
place = {United States},
year = {Thu Sep 22 00:00:00 EDT 2016},
month = {Thu Sep 22 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Localized magnetic moments in metallic SrB 6 single crystals
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