Orientational ordering/disordering of io
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M Hanaya; H Shibazaki; M Oguni; T Nemoto; Y Ohashi
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Article
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2000
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Elsevier Science
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English
โ 165 KB
The heat capacities of a pyridinium tetrafluoroborate (PyHBF 4 ) crystal were measured in the temperature region between 6 and 372 K with an adiabatic calorimeter. The crystal showed two first-order phase transitions with heat-capacity peaks and wide tails on both the low-and high-temperature sides