The ferroelectric properties of bulk BaMgF4 are determined by polarization hysteresis measurements. The spontaneous polarization Ps is found to be 6.6μC∕cm2, while the coercive field Ec varies between 4 and 24kV∕cm, depending exponentially on the frequency. Periodical poling of domains, with a 24μm period, is demonstrated and evidenced by a selective domain etching.
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Shimamura et al. (2006) studied this question.
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