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Phys. Rev. Lett. 97, 267602 (2006) [4 pages]

Magnetic and Electric Phase Control in Epitaxial EuTiO3 from First Principles

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Craig J. Fennie and Karin M. Rabe
Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854-8019, USA

Received 26 July 2006; published 29 December 2006

We propose a design strategy—based on the coupling of spins, optical phonons, and strain—for systems in which magnetic (electric) phase control can be achieved by an applied electric (magnetic) field. Using first-principles density-functional theory calculations, we present a realization of this strategy for the magnetic perovskite EuTiO3.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.267602
DOI:
10.1103/PhysRevLett.97.267602
PACS:
75.80.+q, 63.20.−e, 75.10.Hk, 77.80.−e