X-ray Diffraction Study of BaTiO sub(3)/(Ba sub(1-x)Sr sub(x)) TiO sub(3) Artificial Superlattices

We report x-ray diffraction investigation of two sets of artificial BaTiO sub(3)/Ba sub(1-x)Sr sub(x)TiO sub(3) (BT/BST-x) superlattices (SLs) grown on MgO substrates. The first set of SLs was deposited with the constant periodicity (about 150 Aa) and the variable Ba/Sr content in BST layers. In the...

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Published inFerroelectrics Vol. 444; no. 1; pp. 1 - 8
Main Authors Zakharchenko, IN, Bunina, O A, Maslova, O A, Yuzyuk, YuI, Ortega, N, Kumar, A, Katiyar, R S
Format Journal Article
LanguageEnglish
Published 01.01.2013
Subjects
Barium strontium titanates
Barium titanates
Diffraction
Ferroelectric materials
Modulation
Strontium
Titanium dioxide
X-rays
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Summary:We report x-ray diffraction investigation of two sets of artificial BaTiO sub(3)/Ba sub(1-x)Sr sub(x)TiO sub(3) (BT/BST-x) superlattices (SLs) grown on MgO substrates. The first set of SLs was deposited with the constant periodicity (about 150 Aa) and the variable Ba/Sr content in BST layers. In the second set, the modulation period Lambda was varied between 30 Aa < Lambda < 110 Aa while Ba content was equal 0 in BST layers. It is shown that, fabrication of the artificial SLs with variable composition of the constituting layers even with large modulation period may provide enhanced variation of the ferroelectric properties comparing to the SLs with variable layers thickness.
Bibliography:ObjectType-Article-2
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ISSN:0015-0193
1563-5112
DOI:10.1080/00150193.2013.785833