Journal ArticleDOI
The crystal structure of triammonium hydrogen disulphate, (NH4)3H(SO4)2
S. Suzuki,Y. Makita +1 more
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This article is published in Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry.The article was published on 1978-03-15. It has received 89 citations till now. The article focuses on the topics: Crystal structure & Hydrogen.read more
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H-Bonding Dependent Structures of (NH4+)3H+(SO42-)2. Mechanisms of Phase Transitions
TL;DR: The nature of the acidic proton disorder is dynamic, and localization of the proton takes place in a broader range of temperatures, as can be expected from the X-ray diffraction data.
Journal ArticleDOI
Temperature dependence of lattice constants of Rb3H(SeO4)2, a ‘zero-dimensional’ h-bonded crystal
TL;DR: In this paper, lattice constants of Rb3H(SeO4)2 have been measured in a temperature range between room temperature and 20 K using an automatic X-ray 4-circle diffractometer with a closed-cycle refrigerator to confirm whether it does not exhibit any phase transitions.
Journal ArticleDOI
Dielectric Study on the Effect of Hydrostatic Pressure on the Phase Transitions in the System of {(NH4)3H(SO4)2}1-x{(ND4)3D(SO4)2}x
TL;DR: In this paper, the concentration-pressure-temperature three dimensional phase diagram of the normal deuterated mixed crystal system was studied by means of dielectric measurements in a pressure-treme range of p{\lesssim}10\) kbar and -100^°\(C{T{ 0.90) kbar, and the ferroelectric VI phase even at atmospheric pressure.
Journal ArticleDOI
VO2 EPR studies on phase transitions in (NH4)3H(SO4)2 crystals
M. Fujimoto,B. V. Sinha +1 more
TL;DR: In this paper, the phase transitions at 140 and -9°C in (NH4)3H(SO4)2 crystals have been studied as an application of VO2+ EPR.
Journal ArticleDOI
Crystal structure, thermal analysis and IR spectrometric investigation of the tris(2,6-diaminopyridinium) hydrogen sulfate sulfate monohydrate
TL;DR: The tris(2,6-diaminopyridinium) hydrogen sulfate sulfate monohydrate (C 5 H 8 N 3 ) 3 (HSO 4 )(SO 4 )·H 2 O, was grown by slow evaporation technique in aqueous solution.