TY - JOUR
T1 - Pressure variation of melting temperatures of alkali halides
AU - Arafin, Sayyadul
AU - Singh, Ram N.
N1 - Publisher Copyright:
© 2017 World Scientific Publishing Company.
PY - 2017/2/20
Y1 - 2017/2/20
N2 - The melting temperatures of alkali halides (LiCl, LiF, NaBr, NaCl, NaF, NaI, KBr, KCl, KF, KI, RbBr, RbCl, RbI and CsI) have been evaluated over a wide range of pressures. The solid-liquid transition of alkali halides is of considerable significance due to their huge industrial applications. Our formalism requires a priori knowledge of the bulk modulus and the Grüneisen parameter at ambient conditions to compute Tm at high pressures. The computed values are in very good agreement with the available experimental results. The formalism can satisfactorily be used to compute Tm at high pressures where the experimental data are scanty. Most of the melting curves (Tm versus P) exhibit nonlinear variation with increasing pressure having curvatures downward and exhibit a maximum in some cases like NaCl, RbBr, RbCl and RbI. The values of Tmmax and Pmax corresponding to the maxima of the curves are given.
AB - The melting temperatures of alkali halides (LiCl, LiF, NaBr, NaCl, NaF, NaI, KBr, KCl, KF, KI, RbBr, RbCl, RbI and CsI) have been evaluated over a wide range of pressures. The solid-liquid transition of alkali halides is of considerable significance due to their huge industrial applications. Our formalism requires a priori knowledge of the bulk modulus and the Grüneisen parameter at ambient conditions to compute Tm at high pressures. The computed values are in very good agreement with the available experimental results. The formalism can satisfactorily be used to compute Tm at high pressures where the experimental data are scanty. Most of the melting curves (Tm versus P) exhibit nonlinear variation with increasing pressure having curvatures downward and exhibit a maximum in some cases like NaCl, RbBr, RbCl and RbI. The values of Tmmax and Pmax corresponding to the maxima of the curves are given.
KW - Alkali halides
KW - Grüneisen parameter
KW - bulk modulus
KW - melting law
KW - phase transformation
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U2 - 10.1142/S021797921750031X
DO - 10.1142/S021797921750031X
M3 - Article
AN - SCOPUS:84997160558
SN - 0217-9792
VL - 31
JO - International Journal of Modern Physics B
JF - International Journal of Modern Physics B
IS - 5
M1 - 1750031
ER -