Ferroelectricity in multiferroic magnetite Fe3 O4 driven by noncentrosymmetric Fe2+ / Fe3+ charge-ordering: First-principles study

Physical Review B - Condensed Matter and Materials Physics

Volumn 79, Issue 21, 2009, Pages

  Yamauchi, Kunihiko ^a   Fukushima, Tetsuya ^a   Picozzi, Silvia ^a  

^a INFM   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 67650085283     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.79.212404     Document Type: Article

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28. At variance with monotonous increase in Px vs λ, Pz shows a bump at λ∼0.5 and decreases up to λ=1.0: this trend may come from partial cancellation of ionic and electronic contribution to P for 0.5<λ<1.