Low temperature behavior of the heavy fermion Ce3 Co4 Sn13

A. D. Christianson; J. S. Gardner; H. J. Kang; J. H. Chung; S. Bobev; J. L. Sarrao; J. M. Lawrence

doi:10.1016/j.jmmm.2006.10.040

Low temperature behavior of the heavy fermion Ce₃ Co₄ Sn₁₃

A. D. Christianson, J. S. Gardner, H. J. Kang, J. H. Chung, S. Bobev, J. L. Sarrao, J. M. Lawrence

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The compound Ce₃ Co₄ Sn₁₃ is an extremely heavy cubic heavy fermion system with a low temperature electronic specific heat of order ∼ 4 J / mol K². If the compound is nonmagnetic, it would be one of the heaviest nonmagnetic Ce-based heavy fermions reported to date and therefore would be expected to lie extremely close to a quantum critical point. However, a broad peak of unknown origin is observed at 0.8 K in the specific heat and magnetic susceptibility, suggesting the possibility of antiferromagnetic order. We present neutron diffraction data from polycrystalline samples which do not show any sign of magnetic scattering below 0.8 K. In addition, we present inelastic neutron scattering data from a single crystal sample which is consistent with the 1.2 K energy scale for Kondo spin fluctuations determined from specific heat measurements.

Original language	English
Pages (from-to)	266-267
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	310
Issue number	2 SUPPL. PART 1
DOIs	https://doi.org/10.1016/j.jmmm.2006.10.040
Publication status	Published - 2007 Mar
Externally published	Yes

Bibliographical note

Funding Information:
Work at UC Irvine was supported by the Department of Energy (DOE) under Grant No. DE-FG03-03ER46036. Oak Ridge National Laboratory is managed by UT-Battelle, for the DOE under Contract No. DE-AC05-00OR22725. Work at Los Alamos was performed under the auspices of the DOE. This work utilized facilities supported in part by the NSF under Agreement No. DMR-0454672.

Keywords

Heavy fermion
Inelastic neutron scattering
Neutron diffraction
Quantum critical point

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1016/j.jmmm.2006.10.040

Cite this

@article{e1fcd4ec85274d0983ee9476690e62ad,

title = "Low temperature behavior of the heavy fermion Ce3 Co4 Sn13",

abstract = "The compound Ce3 Co4 Sn13 is an extremely heavy cubic heavy fermion system with a low temperature electronic specific heat of order ∼ 4 J / mol K2. If the compound is nonmagnetic, it would be one of the heaviest nonmagnetic Ce-based heavy fermions reported to date and therefore would be expected to lie extremely close to a quantum critical point. However, a broad peak of unknown origin is observed at 0.8 K in the specific heat and magnetic susceptibility, suggesting the possibility of antiferromagnetic order. We present neutron diffraction data from polycrystalline samples which do not show any sign of magnetic scattering below 0.8 K. In addition, we present inelastic neutron scattering data from a single crystal sample which is consistent with the 1.2 K energy scale for Kondo spin fluctuations determined from specific heat measurements.",

keywords = "Heavy fermion, Inelastic neutron scattering, Neutron diffraction, Quantum critical point",

author = "Christianson, {A. D.} and Gardner, {J. S.} and Kang, {H. J.} and Chung, {J. H.} and S. Bobev and Sarrao, {J. L.} and Lawrence, {J. M.}",

note = "Funding Information: Work at UC Irvine was supported by the Department of Energy (DOE) under Grant No. DE-FG03-03ER46036. Oak Ridge National Laboratory is managed by UT-Battelle, for the DOE under Contract No. DE-AC05-00OR22725. Work at Los Alamos was performed under the auspices of the DOE. This work utilized facilities supported in part by the NSF under Agreement No. DMR-0454672.",

year = "2007",

month = mar,

doi = "10.1016/j.jmmm.2006.10.040",

language = "English",

volume = "310",

pages = "266--267",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

publisher = "Elsevier",

number = "2 SUPPL. PART 1",

}

TY - JOUR

T1 - Low temperature behavior of the heavy fermion Ce3 Co4 Sn13

AU - Christianson, A. D.

AU - Gardner, J. S.

AU - Kang, H. J.

AU - Chung, J. H.

AU - Bobev, S.

AU - Sarrao, J. L.

AU - Lawrence, J. M.

N1 - Funding Information: Work at UC Irvine was supported by the Department of Energy (DOE) under Grant No. DE-FG03-03ER46036. Oak Ridge National Laboratory is managed by UT-Battelle, for the DOE under Contract No. DE-AC05-00OR22725. Work at Los Alamos was performed under the auspices of the DOE. This work utilized facilities supported in part by the NSF under Agreement No. DMR-0454672.

PY - 2007/3

Y1 - 2007/3

N2 - The compound Ce3 Co4 Sn13 is an extremely heavy cubic heavy fermion system with a low temperature electronic specific heat of order ∼ 4 J / mol K2. If the compound is nonmagnetic, it would be one of the heaviest nonmagnetic Ce-based heavy fermions reported to date and therefore would be expected to lie extremely close to a quantum critical point. However, a broad peak of unknown origin is observed at 0.8 K in the specific heat and magnetic susceptibility, suggesting the possibility of antiferromagnetic order. We present neutron diffraction data from polycrystalline samples which do not show any sign of magnetic scattering below 0.8 K. In addition, we present inelastic neutron scattering data from a single crystal sample which is consistent with the 1.2 K energy scale for Kondo spin fluctuations determined from specific heat measurements.

AB - The compound Ce3 Co4 Sn13 is an extremely heavy cubic heavy fermion system with a low temperature electronic specific heat of order ∼ 4 J / mol K2. If the compound is nonmagnetic, it would be one of the heaviest nonmagnetic Ce-based heavy fermions reported to date and therefore would be expected to lie extremely close to a quantum critical point. However, a broad peak of unknown origin is observed at 0.8 K in the specific heat and magnetic susceptibility, suggesting the possibility of antiferromagnetic order. We present neutron diffraction data from polycrystalline samples which do not show any sign of magnetic scattering below 0.8 K. In addition, we present inelastic neutron scattering data from a single crystal sample which is consistent with the 1.2 K energy scale for Kondo spin fluctuations determined from specific heat measurements.

KW - Heavy fermion

KW - Inelastic neutron scattering

KW - Neutron diffraction

KW - Quantum critical point

UR - http://www.scopus.com/inward/record.url?scp=33847318804&partnerID=8YFLogxK

U2 - 10.1016/j.jmmm.2006.10.040

DO - 10.1016/j.jmmm.2006.10.040

M3 - Article

AN - SCOPUS:33847318804

SN - 0304-8853

VL - 310

SP - 266

EP - 267

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 2 SUPPL. PART 1

ER -