Phase Transition of Ni (C_3H_<10>N_2)_2NO_2ClO_4 Studied by Differential Scanning Calorimetry
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Phase transition of nickel propylenediamine nitrile perchlorate Ni(C,H..N.).N0.Cl0. (NINO) has been studied by the DSC method, and a new structural phasetransition has been observed at about 376.5 K. The phase transition is of the firstorder with the transition enthalpy of about 20.2 J / g. The crystal symmetry suggeststhat the room-temperature phase is electrically polar (ferroelectric, ferrielectric orpyroelectric).INN(C,H..N.).N0.ClO., nickel propylenediamine nitrile perchlorate, NINO, l{ Haldane gap, phase transition, DSC, ferroelectricl
- 社団法人日本物理学会の論文
- 1991-03-15
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