Nucleation, Growth, and Scaling in a Pressure-Induced First-Order Phase Transformation: RbI
作者： Y. Yamada , N. Hamaya , J. D. Axe , S. M. Shapiro
DOI: 10.1103/PHYSREVLETT.53.1665
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摘要: We have investigated the kinetics of NaCl-to-CsCl phase transformation in RbI at room temperature (P/sub c/roughly-equal3.5 kbar) by monitoring time-dependent changes neutron powder diffraction peaks. Above P/sub c/ rate growth stable increases with increasing pressure, but curves display a universal shape, consistent Kolmogorov model nucleation and growth, when plotted versus scaled time parameter, tau = t/tau/sub 0/(P).
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