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Dielectric properties of ferroelectric thin film artificial lattice
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10.1063/1.2337364
/content/aip/journal/jap/100/5/10.1063/1.2337364
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/5/10.1063/1.2337364
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Supercell of the BTO/STO artificial lattice with various stacking periods, , , and .

Image of FIG. 2.
FIG. 2.

X-ray diffraction patterns of artificial lattice with (a) (Ref. 10), (b) , and (c) stacking sequences.

Image of FIG. 3.
FIG. 3.

Lattice parameter of BTO and STO layers in the artificial lattice vs stacking period.

Image of FIG. 4.
FIG. 4.

The lattice distortion of BTO and STO layers of the BTO/STO artificial lattice with (a) and (b) stacking sequences (Ref. 11).

Image of FIG. 5.
FIG. 5.

(a) Lattice parameter, (b) lattice distortion, and (c) volume change of BTO and STO layers in the artificial lattice vs the thickness of the artificial lattice.

Image of FIG. 6.
FIG. 6.

Dielectric constant and nonlinearity of artificial lattice vs (a) the stacking period and (b) the asymmetric stacking sequence. The dielectric nonlinearity is represented by the tunability.

Image of FIG. 7.
FIG. 7.

Dielectric constant and nonlinearity of the BTO/STO artificial lattice with the lattice distortion of (a) BTO and (b)STO layers in the artificial lattice (Ref. 11).

Image of FIG. 8.
FIG. 8.

Dielectric constant of BTO/STO artificial lattice, and BTO and STO single layer thin films vs the thickness.

Image of FIG. 9.
FIG. 9.

(a) Optical phonon frequency and (b) dielectric constant of strained lattice calculated by first principles (Ref. 30).

Image of FIG. 10.
FIG. 10.

(a) Optical phonon frequency and (b) dielectric constant of strained lattice calculated by first principles. Note that the scales of the phonon frequency and dielectric constant are different from those of lattice.

Image of FIG. 11.
FIG. 11.

Dielectric constant of strained (a) and (b) lattices vs its lattice volume and lattice distortion obtained by first principles.

Image of FIG. 12.
FIG. 12.

Total energy of three phases, i.e., tetragonal, orthorhombic, and monoclinic structures, vs the misfit lattice strain (Ref. 35).

Image of FIG. 13.
FIG. 13.

Zone-centered optical phonon frequency of BTO/STO artificial lattice vs the misfit strain (Ref. 35).

Image of FIG. 14.
FIG. 14.

Dielectric tensor of BTO/STO artificial lattice vs the misfit lattice strain (Ref. 35).

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/content/aip/journal/jap/100/5/10.1063/1.2337364
2006-09-19
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dielectric properties of BaTiO3∕SrTiO3 ferroelectric thin film artificial lattice
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/5/10.1063/1.2337364
10.1063/1.2337364
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