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On Pb2CoWO6 the linear (ME)H effect has been measured in the ferromagnetic/ferroelectric phase (T < 7.6K) and the quadratic one in its paramagnetic/ferroelectric phase (T > 7.6K). On Pb2FeTaO6 the quadratic (ME)H-effect has been measured (4–17K), a new magnetic transition evidenced at ∼ 9K and the magnetoelectric coefficients βijk evaluated at 4.4 K
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Brixel et al. (1988) studied this question.
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