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  • 标题:Crack resistance of bismuth ferrite films obtained on a flexible substrate
  • 本地全文:下载
  • 作者:Shikhgasan Ramazanov ; Ştefan Ţălu ; Dinara Sobola
  • 期刊名称:E3S Web of Conferences
  • 印刷版ISSN:2267-1242
  • 电子版ISSN:2267-1242
  • 出版年度:2021
  • 卷号:295
  • 页码:1-8
  • DOI:10.1051/e3sconf/202129504008
  • 语种:English
  • 出版社:EDP Sciences
  • 摘要:Ultrathin BiOxand FeOxlayers were obtained by Atomic Layer Deposition (ALD) on the surface of a flexible Kapton substrate (poly (4,4’-oxydiphenylene-pyromellitimide)) at a temperature of 250 °C. The layer thickness was 50 - 100 nm. Surface morphology, electrical polarization, and mechanical properties were investigated by Atomic Force Microscope, Piezoelectric Force Microscopy and Force Modulation Microscopy. Chemical analysis was performed by X-ray Photoelectron Spectroscopy, where the formation of Bi2O3and Fe2O3phases, as well as intermediate phases in the Bi-Fe-O system, was observed. With a small increase in the Bi content of the film, the BFO / Kapton structure becomes more crack resistant. Modification of the Kapton surface with bismuth and iron oxides showed that such a composition exhibits multiferroic behavior.
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