Measuring the configurational heat capacity of liquids.
作者： Li-Min Wang , Ranko Richert
DOI: 10.1103/PHYSREVLETT.99.185701
关键词:
摘要: A high electric field impedance experiment on supercooled molecular liquids is employed to transfer energy the slow modes by absorption from and detect increase of their ``configurational temperature'', ${T}_{\mathrm{cfg}}$, via change relaxation times. This allows us determine configurational heat capacity, which accounts for most excess capacity stronger liquids, but only half step in case more fragile systems. It also observed that ${T}_{\mathrm{cfg}}$ gradually approaches phonon temperature structural time scale.
harvard.edu
elsevier.com
researchgate.net 
sci-hub.se 参考文章(29)
B. Schiener, G. Diezemann, Roland Böhmer, R. V. Chamberlin, Dielectric hole burning spectroscopy of supercooled liquids American Institute of Physics. ,(1997) , 10.17877/DE290R-3221
L.-M. Martinez, C. A. Angell, A thermodynamic connection to the fragility of glass-forming liquids Nature. ,vol. 410, pp. 663- 667 ,(2001) , 10.1038/35070517
B. Schiener, R. V. Chamberlin, G. Diezemann, R. Böhmer, Nonresonant dielectric hole burning spectroscopy of supercooled liquids Journal of Chemical Physics. ,vol. 107, pp. 7746- 7761 ,(1997) , 10.1063/1.475089
K. Schröter, E. Donth, Viscosity and shear response at the dynamic glass transition of glycerol Journal of Chemical Physics. ,vol. 113, pp. 9101- 9108 ,(2000) , 10.1063/1.1319616
Gerold Adam, Julian H. Gibbs, On the Temperature Dependence of Cooperative Relaxation Properties in Glass‐Forming Liquids Journal of Chemical Physics. ,vol. 43, pp. 139- 146 ,(1965) , 10.1063/1.1696442
Susan Weinstein, Ranko Richert, Nonlinear features in the dielectric behavior of propylene glycol Physical Review B. ,vol. 75, pp. 064302- ,(2007) , 10.1103/PHYSREVB.75.064302
C. A. Angell, K. L. Ngai, G. B. McKenna, P. F. McMillan, S. W. Martin, Relaxation in glassforming liquids and amorphous solids Journal of Applied Physics. ,vol. 88, pp. 3113- 3157 ,(2000) , 10.1063/1.1286035
D. Prevosto, M. Lucchesi, S. Capaccioli, R. Casalini, P. A. Rolla, Correlation between configurational entropy and structural relaxation time in glass-forming liquids Physical Review B. ,vol. 67, pp. 174202- ,(2003) , 10.1103/PHYSREVB.67.174202
Martin Goldstein, Viscous liquids and the glass transition. V. Sources of the excess specific heat of the liquid The Journal of Chemical Physics. ,vol. 64, pp. 4767- 4774 ,(1976) , 10.1063/1.432063
R. Böhmer, K. L. Ngai, C. A. Angell, D. J. Plazek, Nonexponential relaxations in strong and fragile glass formers Journal of Chemical Physics. ,vol. 99, pp. 4201- 4209 ,(1993) , 10.1063/1.466117