Mn2FeWO6: A New Ni3TeO6-Type Polar and Magnetic Oxide

Mn2+2Fe2+W6+O6, a new polar magnetic phase, adopts the corundum‐derived Ni3TeO6‐type structure with large spontaneous polarization (PS) of 67.8 μC cm−2, complex antiferromagnetic order below ≈75 K, and field‐induced first‐order transition to a ferrimagnetic phase below ≈30 K. First‐principles calcul...

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Veröffentlicht in:	Advanced materials (Weinheim) 2015-04, Vol.27 (13), p.2177-2181
Hauptverfasser:	Li, Man-Rong, Croft, Mark, Stephens, Peter W., Ye, Meng, Vanderbilt, David, Retuerto, Maria, Deng, Zheng, Grams, Christoph P., Hemberger, Joachim, Hadermann, Joke, Li, Wen-Min, Jin, Chang-Qing, Saouma, Felix O., Jang, Joon I., Akamatsu, Hirofumi, Gopalan, Venkatraman, Walker, David, Greenblatt, Martha
Format:	Artikel
Sprache:	eng
Schlagworte:	first-principles calculations magnetic phase diagrams Mn2FeWO6 multiferroics polar magnets
Online-Zugang:	Volltext
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Zusammenfassung:	Mn2+2Fe2+W6+O6, a new polar magnetic phase, adopts the corundum‐derived Ni3TeO6‐type structure with large spontaneous polarization (PS) of 67.8 μC cm−2, complex antiferromagnetic order below ≈75 K, and field‐induced first‐order transition to a ferrimagnetic phase below ≈30 K. First‐principles calculations predict a ferrimagnetic (udu) ground state, optimal switching path along the c‐axis, and transition to a lower energy udu–udd magnetic double cell.
ISSN:	0935-9648 1521-4095
DOI:	10.1002/adma.201405244