From crystal to glass-like thermal conductivity in crystalline minerals

Author:

Bouyrie Y.1234,Candolfi C.1234,Pailhès S.56784,Koza M. M.9104,Malaman B.1234,Dauscher A.1234,Tobola J.11121314,Boisron O.56784,Saviot L.1516174ORCID,Lenoir B.1234

Affiliation:

1. Institut Jean Lamour

2. UMR 7198 CNRS – Université de Lorraine

3. 54011 Nancy

4. France

5. Institute of Light and Matter

6. UMR 5306 Université Lyon 1-CNRS

7. Université de Lyon

8. 69622 Villeurbanne Cedex

9. Institut Laue Langevin

10. 38042 Grenoble

11. Faculty of Physics and Applied Computer Science

12. AGH University of Science and Technology

13. 30–059 Krakow

14. Poland

15. Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB)

16. UMR 6303 CNRS-Université de Bourgogne Franche-Comté

17. Dijon Cedex

Abstract

Inelastic neutron scattering performed on powders and single crystals indicate that the glass-like thermal conductivity of tetrahedrite minerals originates from a strongly anharmonic low-energy vibrational mode related to the peculiar chemical environment of the Cu2 atoms.

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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