lambda-transition of NH4Cl and ND4Cl at high pressures

Date

2007-07-01

Author

Yurtseven, Hasan Hamit
Salihoglu, S.
Sen, S.

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We predict in this study using the mean-field theory, the phase-line equation from the free energy expanded in terms of the order parameters of solid II and III phases of NH4Cl and ND4Cl close to the X-phase transitions at high pressures. Using the temperature and pressure dependence of the coefficients given in the phase-line equation, it is shown that the experimentally observed T-P phase diagram for the solid II-solid III transition, can be predicted from the mean field model studied here for both crystalline structures. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Subject Keywords

Electronic, Optical and Magnetic Materials, Condensed Matter Physics

URI

https://hdl.handle.net/11511/39151

Collections

Department of Physics, Article