An Automated Ac Susceptibility Set up Fabricated Using a Closed-Cycle Helium Refrigerator

preprint2011arXivOpen access

Abstract

We have described here the design and operation of an automated ac susceptibility set up using a closed cycle helium refrigerator. This set up is useful for measuring linear and nonlinear magnetic susceptibilities of various magnetic materials. The working temperature range is 2 K to 300 K. The overall sensitivity of the set up is found to be 10-3 emu.

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