Specific Heat of NH4Cl and NH4BrxCl1-x Crystals Close to the Ferro-Ordered Phase

Date

2009-04-01

Author

Yurtseven, Hasan Hamit

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This study gives calculation of the specific heat C-VI of NH4Cl and NH4BrxCl1-x under the Ising model for the transition between the disordered (D) and ferro-ordered O(F) phases in these crystalline systems. Our C-VI values which we calculated for x = 0 and x = 0.04, agree both below and above T-c with the observed C-p data from the literature. Our value of a congruent to 0.1 (T < T-c and T > T-c) is in good agreement with the predicted value of 1/8 (0.125) of a 3D Ising model.

Subject Keywords

WEAKLY FIRST-ORDER, AMMONIUM HALIDES, SINGLE-CRYSTALS, TRANSITIONS, DIAGRAM, SYSTEM, NH4BR, CAPACITY

URI

https://hdl.handle.net/11511/52574

Journal

JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN

Collections

Department of Physics, Article

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Citation Formats

H. H. Yurtseven, “Specific Heat of NH4Cl and NH4BrxCl1-x Crystals Close to the Ferro-Ordered Phase,” JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN, pp. 207–213, 2009, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/52574.