journal article·2018-05-01Open access

Thermal conductivity of Ca3Co2O6 single crystals

H. L. Che, J. Shi, J. C. Wu, X. Rao, X. G. Liu, X. Zhao, X. F. Sun

AIP Advances· Volume 8· Issue 5

Abstract

Ca3Co2O6 is a rare example of one-dimensional Ising spin-chain material with the moments preferentially aligned along the c axis. In this work, we study the c-axis thermal conductivity (κc) of Ca3Co2O6 single crystal at low temperatures down to 0.3 K and in magnetic fields up to 14 T. The zero-field κc(T) shows a large phonon peak and can be well fitted by using the classical Debye model, which indicates that the heat transport is purely phononic. Moreover, the low-T κc(H) isotherms with H || c display a field-independent behavior. These results indicate that there is no contribution of magnetic excitations to the thermal conductivity in Ca3Co2O6, neither carrying heat nor scattering phonons, which can be attributed to the Ising-like spin anisotropy.
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Research context

OpenAlex topics: Advanced Condensed Matter Physics · Physics of Superconductivity and Magnetism · Theoretical and Computational Physics

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Affiliations

School of Physical Sciences, University of Science and Technology of China 1 , Hefei, Anhui 230026, Peoples Republic of China

Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China 2 , Hefei, Anhui 230026, People’s Republic of China

Key Laboratory of Strongly-Coupled Quantum Matter Physics, Chinese Academy of Sciences 3 , Hefei, Anhui 230026, People’s Republic of China

Collaborative Innovation Center of Advanced Microstructures 4 , Nanjing, Jiangsu 210093, People’s Republic of China

Funding

Basic Research Program of China · National Natural Science Foundation of China

References (26)

Show source-provided references
1. Phys. Rev. Lett. · 2011 · 106 · 19720410.1103/physrevlett.106.197204 ↗
2. J. Solid State Chem. · 1996 · 124 · 19010.1006/jssc.1996.0224 ↗
3. Phys. Rev. Lett. · 2005 · 95 · 18640110.1103/physrevlett.95.186401 ↗
4. Phys. Rev. B · 2006 · 74 · 24511110.1103/physrevb.74.245111 ↗
5. J. Phys. Soc. Jpn. · 1997 · 66 · 160710.1143/jpsj.66.1607 ↗
6. Phys. Rev. B · 2004 · 69 · 140405(R)10.1103/physrevb.69.140405 ↗
7. Phys. Rev. B · 2003 · 68 · 01442410.1103/physrevb.68.014424 ↗
8. Phys. Rev. Lett. · 2008 · 101 · 09720710.1103/physrevlett.101.097207 ↗
9. Eur. Phys. J. Special Topics · 2007 · 151 · 7310.1140/epjst/e2007-00363-8 ↗
10. J. Low. Temp. Phys. · 2007 · 147 · 38710.1007/s10909-007-9317-x ↗
11. Sci. China-Phys. Mech. Astron. · 2016 · 59 · 11750110.1007/s11433-016-0332-1 ↗
12. Phys. Rev. B · 2009 · 79 · 18441410.1103/physrevb.79.184414 ↗
13. Phys. Rev. B · 2017 · 96 · 06411210.1103/physrevb.96.064112 ↗
14. Eur. Phys. J. B · 2000 · 15 · 65710.1007/s100510051169 ↗
15. Phys. Rev. B · 2014 · 89 · 14441410.1103/physrevb.89.144414 ↗
16. Solid State Commun. · 1997 · 101 · 18710.1016/s0038-1098(96)00531-5 ↗
17. 2003
18. Phys. Rev. B · 2001 · 63 · 21240810.1103/physrevb.63.212408 ↗
19. Phys. Rev. B · 2005 · 72 · 01242010.1103/physrevb.72.012420 ↗
20. Physica B · 2008 · 403 · 355310.1016/j.physb.2008.05.025 ↗
21. 1976
22. Phys. Rev. B · 2011 · 83 · 01441410.1103/physrevb.83.014414 ↗
23. Phys. Rev. B · 2011 · 83 · 17451810.1103/physrevb.83.174518 ↗
24. Phys. Rev. Lett. · 2000 · 84 · 271410.1103/physrevlett.84.2714 ↗
25. Phys. Rev. B · 2017 · 95 · 22441910.1103/physrevb.95.224419 ↗
26. Phys. Rev. · 1969 · 186 · 53410.1103/physrev.186.534 ↗