Automated thermoelectric power measurement from 300 to 15 K with a closed cycle refrigerator

R Nirmala; Sankaranarayanan V; Sankar, M. G.; K Sethupathi

doi:10.1016/S0011-2275(00)00010-2

Automated thermoelectric power measurement from 300 to 15 K with a closed cycle refrigerator

Date Issued

01-02-2000

Author(s)

R Nirmala

Indian Institute of Technology, Madras

Sankaranarayanan V

Indian Institute of Technology, Madras

Sankar, M. G.

K Sethupathi

Indian Institute of Technology, Madras

DOI

10.1016/S0011-2275(00)00010-2

Abstract

A compact sample holder to perform thermoelectric power measurements on small, bulk samples in the temperature range of 300-15 K is designed and attached to a closed cycle refrigerator (CCR). Differential method is employed and copper is taken as the reference material. The temperature control as well as the data acquisition are automated.

Volume

40

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Automated thermoelectric power measurement from 300 to 15 K with a closed cycle refrigerator