DOI: 10.1126/science.1080615. Epitaxial BiFeO <sub>3</sub> Multiferroic Thin Film Heterostructures

Epitaxial BiFeO 3 Multiferroic Thin Film Heterostructures

10.1126/science.1080615

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

Enhancement of polarization and related properties in heteroepitaxially constrained thin films of the ferroelectromagnet, BiFeO 3 , is reported. Structure analysis indicates that the crystal structure of film is monoclinic in contrast to bulk, which is rhombohedral. The films display a room-temperature spontaneous polarization (50 to 60 microcoulombs per square centimeter) almost an order of magnitude higher than that of the bulk (6.1 microcoulombs per square centimeter). The observed enhancement is corroborated by first-principles calculations and found to originate from a high sensitivity of the polarization to small changes in lattice parameters. The films also exhibit enhanced thickness-dependent magnetism compared with the bulk. These enhanced and combined functional responses in thin film form present an opportunity to create and implement thin film devices that actively couple the magnetic and ferroelectric order parameters.

Bibliography

Wang, J., Neaton, J. B., Zheng, H., Nagarajan, V., Ogale, S. B., Liu, B., Viehland, D., Vaithyanathan, V., Schlom, D. G., Waghmare, U. V., Spaldin, N. A., Rabe, K. M., Wuttig, M., & Ramesh, R. (2003). Epitaxial BiFeO 3 Multiferroic Thin Film Heterostructures. Science, 299(5613), 1719â1722.

Authors 14

J. Wang (first)
J. B. Neaton (additional)
H. Zheng (additional)
V. Nagarajan (additional)
S. B. Ogale (additional)
B. Liu (additional)
D. Viehland (additional)
V. Vaithyanathan (additional)
D. G. Schlom (additional)
U. V. Waghmare (additional)
N. A. Spaldin (additional)
K. M. Rabe (additional)
M. Wuttig (additional)
R. Ramesh (additional)

References 31 Referenced 5,755

E. K. H. Salje Phase Transitions in Ferroelastic and Co-elastic Crystals (Cambridge Univ. Press Cambridge 1990). (10.1017/CBO9780511586460)
10.1070/PU1982v025n07ABEH004570
10.1016/S0304-8853(01)00445-0
M. Fiebig Th. Lottermoser
10.1038/nature01077
10.1103/PhysRevB.59.8759
10.1021/cm010090m
A. M. dos Santos et al. Sol. Stat. Comm. 122 49 (2002). (10.1016/S0038-1098(02)00087-X)
10.1016/0038-1098(69)90597-3
10.1107/S0021889872009173
10.1016/0038-1098(70)90262-0
Yu. E. Roginskaya Yu. Ya. Tomashpol'skii Yu.
Venevtsev N., Petrov V. M., Zhdanov G. S., Sov. Phys. JETP 23, 47 (1966). / Sov. Phys. JETP by Venevtsev N. (1966)
Kiselev S. V., Ozerov R. P., Zhdanov G. S., Sov. Phys. Dokl. 7, 742 (1963). / Sov. Phys. Dokl. by Kiselev S. V. (1963)
10.1107/S0108768190006887
10.1063/1.124420
10.1126/science.258.5089.1766
10.1080/00150198908221440
10.1103/PhysRevLett.80.1988
10.1103/PhysRevB.47.558
10.1103/PhysRevB.54.11169
10.1103/PhysRevB.59.1758
The ABINIT code is a common project of the Université Catholique de Louvain Corning Incorporated and other contributors (www.abinit.org). See
10.1016/S0927-0256(02)00325-7
10.1103/PhysRevLett.72.3618
10.1103/PhysRevB.47.1651
10.1103/PhysRevB.48.4442
10.1016/S0304-8853(98)00167-X
H. G. Rajaram thesis Pennsylvania State University (1991).
J. Wang et al. data not shown.
We thank L. V. Saraf and V. Kulkarni for help with x-ray diffraction and Rutherford Backscattering measurements. J.B.N. and K.M.R. thank D. Vanderbilt for useful discussions. Supported by the Office of Naval Research (grant MURI N000140110761) and the NSF (grant MRSEC DMR-00-80008. It also benefits from the support of the NSF grant DMR0095166.

Dates

Type	When
Created	22 years, 5 months ago (March 13, 2003, 4:43 p.m.)
Deposited	1 year, 7 months ago (Jan. 9, 2024, 9:42 p.m.)
Indexed	1 minute ago (Aug. 21, 2025, 3:11 a.m.)
Issued	22 years, 5 months ago (March 14, 2003)
Published	22 years, 5 months ago (March 14, 2003)
Published Print	22 years, 5 months ago (March 14, 2003)

Funders 0

None

BibTeX

@article{Wang_2003, title={Epitaxial BiFeO 3 Multiferroic Thin Film Heterostructures}, volume={299}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1080615}, DOI={10.1126/science.1080615}, number={5613}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Wang, J. and Neaton, J. B. and Zheng, H. and Nagarajan, V. and Ogale, S. B. and Liu, B. and Viehland, D. and Vaithyanathan, V. and Schlom, D. G. and Waghmare, U. V. and Spaldin, N. A. and Rabe, K. M. and Wuttig, M. and Ramesh, R.}, year={2003}, month=mar, pages={1719–1722} }

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