Linear magnetoelectric effect in göthite, α-FeOOH

Autor:	N. V. Ter-Oganessian, Alexander A. Guda, Vladimir P. Sakhnenko
Jazyk:	angličtina
Rok vydání:	2017
Předmět:	Phase transition Multidisciplinary Materials science Goethite Condensed matter physics Monte Carlo method lcsh:R Magnetoelectric effect lcsh:Medicine 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Article Magnetic field Polarization density visual_art 0103 physical sciences visual_art.visual_art_medium Density functional theory lcsh:Q 010306 general physics 0210 nano-technology lcsh:Science Néel temperature
Zdroj:	Scientific Reports, Vol 7, Iss 1, Pp 1-6 (2017) Scientific Reports
ISSN:	2045-2322
Popis:	By means of symmetry analysis, density functional theory calculations, and Monte Carlo simulations we show that goethite, α-FeOOH, is a linear magnetoelectric below its Néel temperature TN = 400 K. The experimentally observed magnetic field induced spin-flop phase transition results in either change of direction of electric polarization or its suppression. Estimated value of magnetoelectric coefficient is 0.57 μC · m−2 · T−1. The abundance of goethite in nature makes it arguably the most widespread magnetoelectric material.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78a7cd6a709f5aa773d220ce501afc53 http://link.springer.com/article/10.1038/s41598-017-16772-w Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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