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Local structure of the B-site in BNT-xBT investigated by 47,49Ti NMR: Effect of barium content

Braga Groszewicz, Pedro ; Breitzke, Hergen ; Jo, Wook ; Rödel, Jürgen ; Buntkowsky, Gerd (2022)
Local structure of the B-site in BNT-xBT investigated by 47,49Ti NMR: Effect of barium content.
In: Journal of Applied Physics, 2017, 121 (11)
doi: 10.26083/tuprints-00019735
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Item Type: Article
Type of entry: Secondary publication
Title: Local structure of the B-site in BNT-xBT investigated by 47,49Ti NMR: Effect of barium content
Language: English
Date: 2022
Place of Publication: Darmstadt
Year of primary publication: 2017
Publisher: AIP Publishing
Journal or Publication Title: Journal of Applied Physics
Volume of the journal: 121
Issue Number: 11
Collation: 6 Seiten
DOI: 10.26083/tuprints-00019735
Corresponding Links:
Origin: Secondary publication service
Abstract:

Towards a deeper understanding of the local structure of the B-site in (100-x)(Bi1/2Na1/2)TiO3-xBaTiO3 (BNT-xBT) with 0 ≤ x ≤ 15, solid-state nuclear magnetic resonance (NMR) spectra of the titanium isotopes 47Ti and 49Ti were investigated. The 47,49Ti NMR spectra of BNT-xBT indicate a disordered local structure for the B-site of these perovskites. The line-shape of the titanium NMR spectra of BNT-xBT samples is found to be independent on the barium content. This fact implies that the local structure of the B-site remains invariant with respect to the structural changes that result from the chemical modification with barium. The analysis of 47,49Ti NMR spectra supports the hypothesis that the main structural changes across the morphotropic phase boundary in these solid-solutions are constrained to the A-site and are related to the tilting of rigid oxygen octahedra.

Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-197356
Classification DDC: 500 Science and mathematics > 540 Chemistry
Divisions: 07 Department of Chemistry > Eduard Zintl-Institut > Physical Chemistry
Date Deposited: 11 Jan 2022 14:45
Last Modified: 16 Mar 2023 11:12
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/19735
PPN: 505940485
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