Critical examination of heat capacity measurements made on a Quantum Design physical property measurement system
JC Lashley, MF Hundley, A Migliori, JL Sarrao… - Cryogenics, 2003 - Elsevier
We examine the operation and performance of an automated heat-capacity measurement
system manufactured by Quantum Design (QD). QD's physical properties measurement
system (PPMS) employs a thermal-relaxation calorimeter that operates in the temperature
range of 1.8–395 K. The accuracy of the PPMS specific-heat data is determined here by
comparing data measured on copper and synthetic sapphire samples with standard
literature values. The system exhibits an overall accuracy of better than 1% for temperatures …
system manufactured by Quantum Design (QD). QD's physical properties measurement
system (PPMS) employs a thermal-relaxation calorimeter that operates in the temperature
range of 1.8–395 K. The accuracy of the PPMS specific-heat data is determined here by
comparing data measured on copper and synthetic sapphire samples with standard
literature values. The system exhibits an overall accuracy of better than 1% for temperatures …
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