Spontaneous Polarization Measurements in Several Ferroelectric Oxides Using a Pulsed-Field Method
- 15 March 1969
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 40 (4), 1690-1693
- https://doi.org/10.1063/1.1657832
Abstract
The room‐temperature spontaneous polarizations in LiNbO3, LiTaO3, Ba2NaNb5O15, Sr0.5Ba0.5Nb2O6, Ba1.1Sr0.9NaNb5O15, and Sr2KNb5O15 have been measured directly by a pulsed field method using an aqueous solution of LiCl as the electrode material. The experimental results are: P8 (LiNbO3) = 0.71±0.02 C/m2, P8 (LiTaO3) = 0.50±0.01 C/m2, P8 (Ba2NaNb5O15) = 0.40±0.01 C/m2, P8 (Ba1.1Sr0.9NaNb5O15) = 0.36±0.01 C/m2, P8 (Sr2KNb5O15) = 0.25±0.01 C/m2, and P8 (Sr0.5Ba0.5Nb2O6) = 0.25±0.01 C/m2. Experimental techniques are presented, and the advantages of the pulsed‐field method over hysteresis‐loop methods are discussed.Keywords
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