| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wada, Satoshi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Advancing piezoelectric properties of barium titanate ceramic through AC + DC field poling over Curie temperaturecitations
- 2024Investigation of Ga–Nb co-doped barium strontium titanate ceramics for DC-bias free dielectrics
- 2023Crystal structure of heteroepitaxial BaTiO3–KNbO3 core–shell nanocomposite particles studied by synchrotron radiation X-ray diffractioncitations
- 2023BoLA-DRB3 Polymorphism Associated with Bovine Leukemia Virus Infection and Proviral Load in Holstein Cattle in Egyptcitations
- 2023Fabrication of 〈100〉-oriented Bi(Mg0.5Ti0.5)O3-modified BiFeO3-BaTiO3 ceramics and their piezoelectric propertiescitations
- 2023Grain size-independent dielectric and ferroelectric properties of superparaelectric Mn–Nb co-doped barium titanate ceramicscitations
- 2023Lattice strain visualization inside a 400 nm single grain of BaTiO3 in polycrystalline ceramics by Bragg coherent X-ray diffraction imagingcitations
- 2020Piezoelectricity in perovskite-type pseudo-cubic ferroelectrics by partial ordering of off-centered cationscitations
- 2016Electric field induced lattice strain in pseudocubic Bi(Mg1/2Ti1/2)O3-modified BaTiO3-BiFeO3 piezoelectric ceramicscitations
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article
Crystal structure of heteroepitaxial BaTiO3–KNbO3 core–shell nanocomposite particles studied by synchrotron radiation X-ray diffraction
Abstract
<jats:title>Abstract</jats:title><jats:p>We investigated the temperature-dependent crystal structure of a BaTiO<jats:sub>3</jats:sub>−KNbO<jats:sub>3</jats:sub> (BT−KN) nanocomposite particle in which the KN shell epitaxially covers the BT core. Synchrotron radiation X-ray diffraction experiments were performed over a temperature range of 300–800 K. Near the interface, BT and KN were found to be bonded in a pseudo-cubic crystal structure with similar lattice constants across all temperatures. As the temperature decreased, strain-gradient regions (SGRs) near the interface, caused by lattice mismatch, enlarged significantly owing to phase transitions. The largest SGRs with a tetragonal BT core and an orthorhombic KN shell were observed at 300 K. However, SGRs were minimal at 800 K, where both BT and KN possessed cubic crystal structures. Engineering interfaces such as SGRs can enhance the dielectric constant; therefore, it is crucial to consider material combinations with different crystal symmetries but similar unit cell volumes, such as BT−KN at RT.</jats:p>