Field-temperature phase diagram and entropy landscape of
Abstract
Here, we report a field-temperature phase diagram and an entropy map for the heavy-fermion compound CeAuSb2. CeAuSb2 orders antiferromagnetically below TN = 6.6 K and has two metamagnetic transitions, at 2.8 and 5.6 T. The locations of the critical end points of the metamagnetic transitions, which may play a strong role in the putative quantum criticality of CeAuSb2 and related compounds, are identified. The entropy map reveals an apparent entropy balance with Fermi-liquid behavior, implying that above the Neel transition the Ce moments are incorporated into the Fermi liquid. High-field data showing that the magnetic behavior is remarkably anisotropic are also reported.
- Authors:
- Publication Date:
- Research Org.:
- Ames Lab., Ames, IA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1253021
- Alternate Identifier(s):
- OSTI ID: 1278785
- Report Number(s):
- IS-J-9016
Journal ID: ISSN 2469-9950; PRBMDO; 195124
- Grant/Contract Number:
- AC02-07CH11358; EP/1031014/1; EP/G03673X/1; 960
- Resource Type:
- Published Article
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Name: Physical Review B Journal Volume: 93 Journal Issue: 19; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Zhao, Lishan, Yelland, Edward A., Bruin, Jan A. N., Sheikin, Ilya, Canfield, Paul C., Fritsch, Veronika, Sakai, Hideaki, Mackenzie, Andrew P., and Hicks, Clifford W. Field-temperature phase diagram and entropy landscape of CeAuSb 2. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.93.195124.
Zhao, Lishan, Yelland, Edward A., Bruin, Jan A. N., Sheikin, Ilya, Canfield, Paul C., Fritsch, Veronika, Sakai, Hideaki, Mackenzie, Andrew P., & Hicks, Clifford W. Field-temperature phase diagram and entropy landscape of CeAuSb 2. United States. https://doi.org/10.1103/PhysRevB.93.195124
Zhao, Lishan, Yelland, Edward A., Bruin, Jan A. N., Sheikin, Ilya, Canfield, Paul C., Fritsch, Veronika, Sakai, Hideaki, Mackenzie, Andrew P., and Hicks, Clifford W. Thu .
"Field-temperature phase diagram and entropy landscape of CeAuSb 2". United States. https://doi.org/10.1103/PhysRevB.93.195124.
@article{osti_1253021,
title = {Field-temperature phase diagram and entropy landscape of CeAuSb 2},
author = {Zhao, Lishan and Yelland, Edward A. and Bruin, Jan A. N. and Sheikin, Ilya and Canfield, Paul C. and Fritsch, Veronika and Sakai, Hideaki and Mackenzie, Andrew P. and Hicks, Clifford W.},
abstractNote = {Here, we report a field-temperature phase diagram and an entropy map for the heavy-fermion compound CeAuSb2. CeAuSb2 orders antiferromagnetically below TN = 6.6 K and has two metamagnetic transitions, at 2.8 and 5.6 T. The locations of the critical end points of the metamagnetic transitions, which may play a strong role in the putative quantum criticality of CeAuSb2 and related compounds, are identified. The entropy map reveals an apparent entropy balance with Fermi-liquid behavior, implying that above the Neel transition the Ce moments are incorporated into the Fermi liquid. High-field data showing that the magnetic behavior is remarkably anisotropic are also reported.},
doi = {10.1103/PhysRevB.93.195124},
journal = {Physical Review B},
number = 19,
volume = 93,
place = {United States},
year = {Thu May 12 00:00:00 EDT 2016},
month = {Thu May 12 00:00:00 EDT 2016}
}
https://doi.org/10.1103/PhysRevB.93.195124
Web of Science
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Works referencing / citing this record:
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