Effect of frequency on activation energy and its role in producing piezoelectricity for Ruddlesden Popper oxide Ba2SnO4

In this work, we have clarified and studied in depth the complicated alternating current (AC) mechanisms for the Ruddlesden Popper (RP) Oxide Ba2SnO4, which is an ionic material presenting high compatibility with the modified OLPT model MOM. This study allows filtering the difference between a piezo...

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Veröffentlicht in:Materials chemistry and physics 2023-11, Vol.309, p.128338, Article 128338
Hauptverfasser: Abassi, H., Kumar, U., Timoumi, A., Bouguila, N., Amdouni, N., Bouchriha, H.
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Sprache:eng
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Zusammenfassung:In this work, we have clarified and studied in depth the complicated alternating current (AC) mechanisms for the Ruddlesden Popper (RP) Oxide Ba2SnO4, which is an ionic material presenting high compatibility with the modified OLPT model MOM. This study allows filtering the difference between a piezoelectric and not piezoelectric material having both the MOM model. In this work, we show the significant impact of the stability of the Tendency to the Activation Energy (TAE) with the frequency variation (in the active band) in the appearance and the persistence of the ionic transporter of its acoustic lattice vibration: phonion. This latter is fundamental in ensuring the MOM mechanism in both materials (piezoelectric or not). Moreover, we have highlighted the microscopic reverse piezoelectric behavior and the role played by both the value and the resistance of the tendency to the activation energy (TAE) to reveal an eventual piezoelectric phenomenon. [Display omitted] •Activation energy and its resistive effect to the frequency variation in (AC) active band.•Microscopic investigation of the piezoelectricity via the OLPT conduction mechanism.•Confirming the existence of the ion transporter of the lattice acoustic vibration.•A new portal to control and improve piezoelectricity in some ionic materials.
ISSN:0254-0584
DOI:10.1016/j.matchemphys.2023.128338