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The heat capacity measurements of CoSb3-based Skutterudite compounds

  • Yubi Zhang , Changrong Li , Guiying Xu , Zhenmin Du , Cuiping Guo und Jingbo Li
Veröffentlicht/Copyright: 31. Mai 2013
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 101 Heft 6

Abstract

The thermoelectric materials of CoSb3-based Skutterudite compounds were prepared by spark plasma sintering. The micrographic images, the elemental compositions and the crystalline structures of the samples were characterized by scanning electronic microscopy, energy spectrum analysis and X-ray diffraction respectively. The molar heat capacities of CoSb3, (Co0.95Ni0.05)Sb3 and Er0.1CoSb3 were measured by modulated differential scanning calorimetry from 190 to 600 K. The results show that both the transition element Ni and the rare-earth element Er can decrease considerably the molar heat capacities of CoSb3-based compounds.

Keywords: Skutterudite compounds; CoSb3; Heat capacity; Thermoelectric material; Modulated differential scanning calorimetry
* Correspondence address, Prof. Changrong Li, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P.R. China, Tel.: +86 10 6233 3607, Fax: +86 10 6233 3772, E-mail: (Cr Li)

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Received: 2008-9-24
Accepted: 2009-11-5
Published Online: 2013-05-31
Published in Print: 2010-06-01

© 2010, Carl Hanser Verlag, München

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  2. Contents
  3. Editorial
  4. IJMR's most downloaded papers from 2008 to the present: a review
  5. Basic
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  11. Investigation of the atomic structure of molten As–Se alloys using X-ray diffraction
  12. A theoretical approach to the elastic behaviour of compact and hollow spherical particles reinforced metal-matrix composites
  13. Applied
  14. Adsorption of nucleotides on the rutile (110) surface
  15. Effect of cyclic heat treatment on the microstructures and mechanical properties of Ti–Si alloys
  16. Deleterious phases resulting from the induction bending of thick-walled super-duplex pipework
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  21. The heat capacity measurements of CoSb3-based Skutterudite compounds
  22. DGM News
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https://doi.org/10.3139/146.110336
Schlagwörter für diesen Artikel
Skutterudite compounds; CoSb3; Heat capacity; Thermoelectric material; Modulated differential scanning calorimetry

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. IJMR's most downloaded papers from 2008 to the present: a review
  5. Basic
  6. Effect of temperature and strain rate on strain hardening and deformation mechanisms of high manganese austenitic steels
  7. Size effects resulting from local strain hardening; microstructural evaluation of Fe-3% Si and Cu deformed in tension and deep drawing using orientation gradient mapping (OGM)
  8. Microstructure of super-austenitic steels after long-term annealing
  9. Investigation of tensile–compressive yield asymmetry and the role of deformation twin in extruded pure magnesium
  10. Neutron diffraction study on liquid Al–Ni alloys
  11. Investigation of the atomic structure of molten As–Se alloys using X-ray diffraction
  12. A theoretical approach to the elastic behaviour of compact and hollow spherical particles reinforced metal-matrix composites
  13. Applied
  14. Adsorption of nucleotides on the rutile (110) surface
  15. Effect of cyclic heat treatment on the microstructures and mechanical properties of Ti–Si alloys
  16. Deleterious phases resulting from the induction bending of thick-walled super-duplex pipework
  17. Steady state creep in a rotating composite disc of variable thickness
  18. Influence of data conversion methods from torsion tests on the Garofalo equation parameters for a high nitrogen steel
  19. High-alloy ferritic cast irons with different graphite microstructures for exhaust manifolds and turbocharger housings
  20. Microstructure and mechanical properties of friction stir butt welded dissimilar pure copper/brass alloy plates
  21. The heat capacity measurements of CoSb3-based Skutterudite compounds
  22. DGM News
  23. DGM News
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