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January 14, 2026Adıyaman üniversitesi fen bilimleri dergisiOpen Access

Effect of Nano-Sized Eu Substituting on Mechanical Properties of Bi1.7Pb0.3Sr2Ca2Cu2.75Na0.25Oy Ceramic Superconductor System

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Authors

MAMehmet Ersin AytekinMAMustafa Akyol

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Overview

Research demonstrates enhanced mechanical properties in Bi1.7Pb0.3Sr2-x(Eu)xCa2Cu2.75Na0.25Oy, suggesting optimal nano-Eu ratio is 0.25.

Key Points

  • This research investigates the effects of nano-sized Eu substitution on the mechanical properties of a specific superconducting ceramic system.
  • Used solid state reaction method to prepare ceramic samples with varying Eu content.
  • Characterized samples using X-ray diffraction and scanning electron microscopy.
  • Measured mechanical properties using Vickers microhardness.
  • Analyzed phase formation and morphology of various samples.
  • The Bi-2223 superconducting phase was the main phase detected, with lesser impurity phases.
  • Sample with 0.25 nano-sized Eu exhibited the best mechanical properties due to enhanced intergranular bonds.
  • Flaky plate-like grains were observed in SEM images, indicating improved morphological structure.

Cite This Study

Aytekin et al. (2025) studied this question.

synapsesocial.com/papers/6966f33213bf7a6f02c0115chttps://doi.org/10.37094/adyujsci.1707341
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