Fully Automated AC Susceptometer for Milli-Kelvin Temperatures in a DynaCool PPMS

Andreas Amann,Manivannan Nallaiyan, Luis Montes,Alan Wilson,Stefano Spagna

IEEE Transactions on Applied Superconductivity（2017）

引用 6|浏览12

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摘要

We have developed a commercial apparatus to measure the ac-susceptibility of small samples (1-500 mg) from 50 mK to 4 K using a versatile top loading dilution refrigerator. This susceptometer is readily available to perform fully automated ac measurements in both, cryogen free and liquid cooled Physical Property Measuring Systems (PPMS). AC susceptibility measurements can be performed with ac exci...

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关键词

Temperature measurement,Superconducting transition temperature,Current measurement,Heating,Calibration,Frequency measurement,Temperature distribution

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