The enhancement of the optical, magnetic, and ferroelectric properties of BaTiO3-δ by doping with SrFeO3-δ

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Applied Physics A Pub Date : 2025-04-01 DOI:10.1007/s00339-025-08398-x

E. K. Abdel-Khalek, A. Abd El-Naser, E. Nabhan, M. S. Gaafar, N. S. Abd El-Aal

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引用次数: 0

Abstract

In the present work, (1-x) BaTiO_3-δ − xSrFeO_3-δ (where x = 0 and 0.05) perovskite samples were prepared. The structure of these samples was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected area electron diffraction (SAED), high-resolution TEM (HR-TEM), EDS elemental mapping, X-ray photoelectron spectroscopy (XPS) and differential scanning calorimetry (DSC). The optical properties of BaTiO_3-δ were enhanced with introducing SrFeO_3-δ (x = 0.05) by the reduction of the direct and indirect band gap energies. The magnetic measurements of these samples confirmed the ferromagnetic ordering and it was enhanced with introducing SrFeO_3-δ (x = 0.05). The dielectric constant (ε_r) of BaTiO_3-δ enhanced with introducing SrFeO_3-δ (x = 0.05). The polarization-electric field (P-E) hysteresis loops and the bipolar strain-electric field (S-E) loops measurements showed that these samples have ferroelectric and piezoelectric nature, respectively. The sample at x = 0.05 showed good ability to generate ultrasonic waves with nominal frequency of proximately 5 MHz.

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来源期刊

Applied Physics A 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.40%

发文量

964

审稿时长

38 days

期刊介绍： Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.