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Measurement of the magnetoelectric effect in Ni-Cl boracite

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Published in International Journal of Magnetism. 1974, vol. 6, no. 3-4, p. 211-220
Abstract By using 3 different crystallog. cuts of ferroelec. orthorhombic single domain samples of Ni-Cl boracite, 7 components out of the linear magnetoelec. tensor (aij) were measured. Among these 7 components, 2 nondiagonal ones were found nonzero though with different behavior below and above a crit. temp. of 9 DegK. The effect disappears entirely at .apprx.25 DegK. At 4.5 DegK the magnetoelec. coeffs. are |a23| ~ |a32| = (3.3 +- 0.4).10-12[sec/m]. At 8.5 DegK, a32 reaches a peak with twice that value. The measurements suggest the occurrence of magnetic phase transitions at 9 and 25 DegK.
Keywords Magnetoelectricity nickel chloro boracite
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RIVERA, Jean-Pierre et al. Measurement of the magnetoelectric effect in Ni-Cl boracite. In: International Journal of Magnetism, 1974, vol. 6, n° 3-4, p. 211-220. https://archive-ouverte.unige.ch/unige:34113

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