Polar and magnetic properties of PbV O3 thin films

Amit Kumar, Lane W. Martin, Sava Denev, Jeffery B. Kortright, Y. Suzuki, R. Ramesh, Venkatraman Gopalan

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

Multifunctional materials promise to provide the foundation for a class of devices in which electrical, magnetic, elastic, and other properties are coupled to one another. Here we present evidence for piezoelectricity and antiferromagnetic ordering in a multifunctional material PbV O3. Through the use of second-harmonic generation and x-ray linear dichroism, we determine a transition from a polar-only 4mm state to a polar and magnetic state below ∼100-130 K. In combination with theory, the magnetic symmetry has been narrowed to be G type (4′/m′ m m′) or spin glass. An effective piezoelectric coefficient of d33 ∼3.1 pC/N was also measured in the polar state at room temperature.

Original languageEnglish (US)
Article number060101
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume75
Issue number6
DOIs
StatePublished - Feb 8 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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