Room-temperature magnetic switching of the electric polarization in a nanopatterned multiferroic composite
(2016) SPM-on-SPM 2016 — Location: Changchun, China (26.August.2016)
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- Abstract
- Magnetic fields usually do not act on static electric dipole moments. For some multiferroic materials in which the ferroelectric and magnetic orders are coupled in the crystal unit cell, reversal of the electric polarization is possible upon application of a magnetic field; however this only happens at very low temperatures near absolute zero. In composites made of a ferroelectric and a ferromagnetic material, the coupling of the two ferroic orders is mediated by strains arising from piezoelectricity and magnetostriction; however, the electric polarization could so far not be fully and permanently reversed by a magnetic field in such materials, despite the large magnetoelectric coefficients reported in some cases. In this communication, we show that it is possible to flip permanently by a magnetic field the direction of the electric polarization in a nanopatterned multiferroic organic/inorganic hybrid material at room temperature.
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Cai, R. (2016). Room-temperature magnetic switching of the electric polarization in a nanopatterned multiferroic composite. SPM-on-SPM 2016, Changchun, China. https://hdl.handle.net/2078.5/249143