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Influence of octahedral tilting on the microwave dielectric properties of hexagonal perovskites (, Sr)
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10.1063/1.3129867
/content/aip/journal/apl/94/19/10.1063/1.3129867
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/19/10.1063/1.3129867

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic representation of the -type structure viewed along the close packing direction, projection along the -axis showing the tilting of the octahedra from one octahedral sheet to the next for (b) and (c) .

Image of FIG. 2.
FIG. 2.

Calculated, experimental and difference profile plot for refined in the space group (a) and (b) . Tick marks represent Bragg peak positions.

Image of FIG. 3.
FIG. 3.

Relative permittivity (at 1 MHz) vs temperature for (a) and (b) .

Tables

Generic image for table
Table I.

Summary of the RT microwave dielectric properties, tolerance factor , tilt angle and octahedral tilt transition temperature , for and . was obtained by measuring the resonant frequency of the mode over the temperature range 200–320 K.

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/content/aip/journal/apl/94/19/10.1063/1.3129867
2009-05-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of octahedral tilting on the microwave dielectric properties of A3LaNb3O12 hexagonal perovskites (A=Ba, Sr)
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/19/10.1063/1.3129867
10.1063/1.3129867
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