Pyroelectric Study on the Spontaneous Polarization in AgNa(NO2)2
1972 年 33 巻 1 号 p. 108-111
詳細
1972 年 33 巻 1 号 p. 108-111
Temperature dependence of the spontaneous polarization of ferroelectric AgNa(NO2)2 was measured by pyroelectric method in a temperature region of −150°C∼+40°C. The spontaneous polarization in the comply ordered state is estimated to be 9.85 μC cm−2, corresponding to the dipole moment of 1.7 debye unit per a molecular dipole unit of (AgNa)1⁄2NO2. Estimation of the electrostrictive coefficients and the pressure coefficient of the Curie temperature is given, and the results are compared with those of NaNO2.
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