The influence of the composition of Fe2O3 on TCR and MR properties of La0.67Ca0.33MnO3@xFe2O3 ceramics based on the sol-gel method

Key Points

• Enhanced TCR values were observed with varied Fe2O3 compositions, indicating high-temperature sensitivity.
• The MR properties exhibited significant changes with different Fe2O3 ratios, notably at room temperature.
• Assessment using the sol-gel method allowed for controlled material synthesis, facilitating precise composition adjustments.
• Highlights the importance of Fe2O3 composition in optimizing ceramic properties for electronic applications.