Phys. Rev. B 79, 064102 (2009) [6 pages]Pressure-induced structural, electronic, and magnetic effects in BiFeO3Received 5 October 2008; published 5 February 2009 We present a first-principles study of multiferroic BiFeO3 at high pressures. Our work reveals the main structural (change in Bi’s coordination and suppression of the ferroelectric distortion), electronic (spin crossover and metallization), and magnetic (loss of order) effects favored by compression and how they are connected. Our results are consistent with the striking manifold transition observed experimentally by Gavriliuk et al. Phys. Rev. B 77 155112 (2008)] and provide an explanation for it. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.79.064102
DOI:
10.1103/PhysRevB.79.064102
PACS:
64.70.K−, 71.15.Mb, 75.30.Wx, 75.80.+q
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