HIGH TEMPERATURE MATERIALS AND PROCESSES, vol.32, no.2, pp.189-194, 2013 (Peer-Reviewed Journal)
Article / Article
HIGH TEMPERATURE MATERIALS AND PROCESSES
Science Citation Index Expanded, Scopus
Heat capacity, alpha-beta transition, quartz, INCOMMENSURATE PHASE, NEUTRON-SCATTERING, SHOCK EXPERIMENTS, X-RAY
The alpha-beta transition ( T-Q = 578 degrees C) is studied in quartz by analyzing the experimental heat capacity C-p data taken from the literature, using a power-law formula. Values of the critical exponent alpha for C-p are extracted below and above T-Q, which describe the alpha-beta transition as a second order transition in quartz. The alpha values obtained here are compared with the predictions of the theoretical models.