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Multiferroic coupling in nanoscale BiFeO3
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10.1063/1.3625924
/content/aip/journal/apl/99/7/10.1063/1.3625924
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/7/10.1063/1.3625924
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Figures

Image of FIG. 1.
FIG. 1.

(a) TEM photograph of the nanosized particles of BiFeO3 and (b) HRTEM photograph showing the lattice fringes for (012) plane.

Image of FIG. 2.
FIG. 2.

(Color online) The experimental and FullProf refined x-ray diffraction patterns for nanoscale BiFeO3 at different temperatures; red colored open circles represent the experimental data points, black solid lines represent the calculated data, blue solid line represent the difference between observed and calculated data, and green lines represent the Bragg lines. The fit statistics and other relevant details are available in the supplementary information.

Image of FIG. 3.
FIG. 3.

(Color online) The experimental and FullProf refined neutron diffraction patterns (λ = 2.41 Å) for nanoscale BiFeO3 at room temperature and under zero and 5T magnetic field; red colored open circles represent the experimental data points, black solid lines represent the calculated data, blue solid line represent the difference between observed and calculated data, and green lines represent the Bragg lines for both magnetic and crystallographic lattices. The fit statistics and other relevant details are available in the supplementary information.

Image of FIG. 4.
FIG. 4.

(Color online) (a) DSC traces for the bulk (black) and nanosized particles (red) of BiFeO3 around T N ; the peak in the nanoscale sample is smeared pointing out a broader transition zone which is marked in the plot; (b) variation of lattice parameters a (right axis) and c (left axis) with temperature; (c) variation of lattice volume with temperature; volume contraction takes place around T N ; (d) variation of δBi (diamond) and δFe (down traingle) as well as the net δ (star) in a unit cell; and (e) variation of ferroelectric polarization with temperature.

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/content/aip/journal/apl/99/7/10.1063/1.3625924
2011-08-16
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Multiferroic coupling in nanoscale BiFeO3
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/7/10.1063/1.3625924
10.1063/1.3625924
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