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Development of metallic magnetic calorimeters using miniature SQUID susceptometers #F05. MMC needs stable magnetic field Persistent field current on chip Charging the on-chip persistent current Applying current to the on-chip field coil → maximum 10 G
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Development of metallic magnetic calorimetersusing miniature SQUID susceptometers #F05 MMC needs stable magnetic field Persistent field current on chip • Charging the on-chip persistent current • Applying current to the on-chip field coil → maximum 10G • Using magnetic field from external persistent loop → maximum 20G • Heater operation • Heater on part of the on-chip persistent loop • Current pulse on SQUID junctions
Development of metallic magnetic calorimetersusing miniature SQUID susceptometers #F05 X-ray pulse from 55Fe Au:Er On-chip field coil