Phase transitions in [Ni(NH3)6](NO3)2 |
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Authors: | Zbigniew Trybu
a Jan Stankowski |
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Institution: | Zbigniew Trybu
a,Jan Stankowski |
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Abstract: | Electric permittivity * = ′ − i″ of nickel-hexammino nitrate (NHN) has been measured within the range of temperature from 9 to 300 K at a frequency of 8.8 GHz (X-band). It has been found that the phase transitions at Tk1 = 247 K and Tk2 = 90 K are discontinuous structural transitions between centrosymmetric phases, whereas the transition at Tc = 63 K is a continuous phase transition (glass?). |
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