Pressure Tuning of Thermoelectric Materials

  • T. J. Scheidemantel
  • J. V. Badding
Part of the Fundamental Materials Research book series (FMRE)

Abstract

It is widely believed that significant improvements in the performance of thermoelectric materials are possible.1,2The development of such improved materials could lead to revolutionary advances in many important technologies, such as refrigeration, electric power generation, and cooling of both superconducting and conventional electronic components.2,3Because device efficiency depends critically on the product of the thermoelectric figure of merit, Z, and the temperature, T, the key issue is the identification of materials that exhibit enhanced values of ZT. Though there are currently many niche applications for thermoelectrics, no bulk materials are yet known that exhibit values of ZT (~4) necessary for thermoelectric refrigeration to be competitive with small refrigerant-based systems and thus to see widespread technological application. However, even more modest increases in ZT above the current best values (ZT~1) should lead to many more applications.1-3

Keywords

Entropy Titanium Nickel Magnesium Cage 

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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • T. J. Scheidemantel
    • 1
  • J. V. Badding
    • 2
  1. 1.Department of Physics Pennsylvania State UniversityUniversity Park16802
  2. 2.Department of Chemistry, Pennsylvania State UniversityUniversity Park16802

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