Instrumentation

Pramana

, Volume 30, Issue 1, pp 29-33

A simple apparatus for the measurement of thermoelectric power in the temperature range 4·2–300K

  • K P RajeevAffiliated withDepartment of Physics, Indian Institute of Science
  • , N Y VasanthacharyaAffiliated withDepartment of Physics, Indian Institute of Science

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Abstract

A simple apparatus to measure the absolute thermoelectric power of solids in the temperature range 4·2–300K is described. The cryostat and the associated instrumentation is simple to operate. Representative data of measurements on metallic wire and pressed pellets are given. An accuracy of better than 10% in absolute thermopower can be obtained in this apparatus.

Keywords

Thermoelectric power low-temperature

PACS Nos

06·60 72·15 72·20