Abstract

In the present contribution we show that reliable results on the magnetic moments of very small samples can be achieved by digitally processing, storing and subsequently analyzing the complete signal cycles of the SQUID sensor. Compared to conventional peak-to-peak detection, influences of residual magnetic moments of the sample holder, of drift effects in high magnetic fields and of occasional flux jumps in the sensor can be accounted for. In this way, the nominal sensitivity of the system can be reached even under adverse experimental conditions.

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