Electronic conduction in doped multiferroic BiFeO$_{3}$

8:00 AM–10:48 AM, Wednesday, March 18, 2009
Room: 304

Sponsoring Unit: FIAP
Chair: Serge Nakhmanson, Argonne National Laboratory

Abstract ID: BAPS.2009.MAR.P10.6

Abstract: P10.00006 : Electronic conduction in doped multiferroic BiFeO$_{3}$

9:24 AM–9:36 AM

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Authors:

Chan-Ho Yang
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

Jan Seidel
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

Sang-Yong Kim
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

M. Gajek
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

P. Yu
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

M.B. Holcomb
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

L.W. Martin
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

R. Ramesh
(Department of Physics, and Material Science and Engineering, University of California, Berkeley, CA 94720, USA.)

Y.H. Chu
(Department of Material Science and Engineering, National Chiao Tung University, HsinChu 30010, Taiwan.)

Competition between multiple ground states, that are energetically similar, plays a key role in many interesting material properties and physical phenomena as for example in high-$T_{c}$ superconductors (electron kinetic energy vs. electron-electron repulsion), colossal magnetoresistance (metallic state vs. charge ordered insulating state), and magnetically frustrated systems (spin-spin interactions). We are exploring the idea of similar competing phenomena in doped multiferroics by control of band-filling. In this paper we present systematic investigations of divalent Ca doping of ferroelectric BiFeO$_{3}$ in terms of structural and electronic conduction properties as well as diffusion properties of oxygen vacancies.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2009.MAR.P10.6

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Bulletin of the American Physical Society

2009 APS March Meeting

Volume 54, Number 1

Monday–Friday, March 16–20, 2009; Pittsburgh, Pennsylvania

Session P10: Focus Session: Multiferroics II

Abstract: P10.00006 : Electronic conduction in doped multiferroic BiFeO$_{3}$

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