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Studies effect on structural relaxation of the x(AgI+KI)+ (1-x)NH4I system base on thermal measurements

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Title: Studies effect on structural relaxation of the x(AgI+KI)+ (1-x)NH4I system base on thermal measurements

Authors: A. Garcia, J. Trujillo, J. F. Jurado

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2017

Volume: 12

Issue: 19

Language: English

Categories
Ionic Conductors (1) Solid State Physics (193) Glass Science (11) Thermal Analysis (9) Material Science (303)

Abstract

Structural phase transitions in the x(AgI+KI)+(1-x)NH4I system, allowed quantifying the structural relaxation of the phases: ߮a NH4Ag4I5 and ߮a KAg4I5 respectively, being correlated with the NH4I content and with the presence of the glass phase within the compound. It is noticed the importance of having a first thermal treatment of the compound, in order to erase the thermal history. The spontaneous liberation of the residual enthalpy is achieved by using a Ta=308 K isotherm for a two-hour time span. Based on the obtained data, it is presented the phase diagram for variations from x=0.45 to 0.95.

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