AC susceptometer for spin-glass dynamics measurements
β Scribed by Antoni Lenard; Witold Plesiewicz; Maciej Sawicki; Tomasz Dietl
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 257 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0011-2275
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π SIMILAR VOLUMES
Measurements of the free thermodynamic magnetization fluctuations have been performed in the chromium thiospinel CdIn,,,Cr,,,S,, both above and below the glass temperature (T, -16.6 K) and in the frequency range lo-'-10' Hz. The behavior of the out-of-phase susceptibility x" is derived using the fre
## Abstract A differential ACβchip calorimeter capable of measuring the step in heat capacity at the glass transition in nanometerβthin films is described. Because of the differential setup, pJ/K sensitivity is achieved. Heat capacity can be measured for sample masses below 1 ng in broad temperatur