Thermoelectric power as a probe of density of states in correlated actinide materials: The case of PuCoGa5 superconductor
Abstract
We present measurements of the thermoelectric power of the plutonium-based unconventional superconductor PuCoGa5. The data is interpreted within a phenomenological model for the quasiparticle density of states of intermediate valence systems and the results are compared with results obtained from photoemission spectroscopy. The results are consistent with intermediate valence nature of 5f-electrons, furthermore, we propose that measurements of the Seebeck coefficient can be used as a probe of density of states in this material, thereby providing a link between transport measurements and photoemission in strongly correlated materials. Here, we discuss these results and their implications for the electronic structure determination of other strongly correlated systems, especially nuclear materials.
- Authors:
-
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- European Commission, Karlsruhe (Germany). Joint Research Centre, Inst. for Transuranium Elements
- Temple Univ., Philadelphia, PA (United States). Dept. of Physics
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1369437
- Alternate Identifier(s):
- OSTI ID: 1331407; OSTI ID: 1415374
- Report Number(s):
- INL/JOU-16-39090; LA-UR-17-22208
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1702660
- Grant/Contract Number:
- AC07-05ID14517; FG02-01ER45872; AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 19; 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; 36 MATERIALS SCIENCE; superconductivity; thermoelectric power; Material Science
Citation Formats
Gofryk, K., Griveau, J. -C., Riseborough, P. S., and Durakiewicz, T. Thermoelectric power as a probe of density of states in correlated actinide materials: The case of PuCoGa5 superconductor. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.94.195117.
Gofryk, K., Griveau, J. -C., Riseborough, P. S., & Durakiewicz, T. Thermoelectric power as a probe of density of states in correlated actinide materials: The case of PuCoGa5 superconductor. United States. https://doi.org/10.1103/PhysRevB.94.195117
Gofryk, K., Griveau, J. -C., Riseborough, P. S., and Durakiewicz, T. Wed .
"Thermoelectric power as a probe of density of states in correlated actinide materials: The case of PuCoGa5 superconductor". United States. https://doi.org/10.1103/PhysRevB.94.195117. https://www.osti.gov/servlets/purl/1369437.
@article{osti_1369437,
title = {Thermoelectric power as a probe of density of states in correlated actinide materials: The case of PuCoGa5 superconductor},
author = {Gofryk, K. and Griveau, J. -C. and Riseborough, P. S. and Durakiewicz, T.},
abstractNote = {We present measurements of the thermoelectric power of the plutonium-based unconventional superconductor PuCoGa5. The data is interpreted within a phenomenological model for the quasiparticle density of states of intermediate valence systems and the results are compared with results obtained from photoemission spectroscopy. The results are consistent with intermediate valence nature of 5f-electrons, furthermore, we propose that measurements of the Seebeck coefficient can be used as a probe of density of states in this material, thereby providing a link between transport measurements and photoemission in strongly correlated materials. Here, we discuss these results and their implications for the electronic structure determination of other strongly correlated systems, especially nuclear materials.},
doi = {10.1103/PhysRevB.94.195117},
journal = {Physical Review B},
number = 19,
volume = 94,
place = {United States},
year = {Wed Nov 09 00:00:00 EST 2016},
month = {Wed Nov 09 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
Crystal electric field contribution to the thermoelectric power of the CeCoAl 4 antiferromagnetic
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