Magnetic Application of Gadolinium Orthoferrite Nanoparticles Synthesized by Sol-Gel Auto-Combustion Method

Area of Science:

• Materials Science
• Nanotechnology
• Solid State Chemistry

Background:

• Gadolinium orthoferrite (GdFeO3) is a promising material with potential applications in various fields.
• Understanding the synthesis and properties of GdFeO3 nanoparticles is crucial for their technological advancement.

Purpose of the Study:

• To synthesize gadolinium orthoferrite nanoparticles using the sol-gel auto-combustion method.
• To investigate the effect of annealing temperature on the structural, morphological, and magnetic properties of GdFeO3 nanoparticles.

Main Methods:

• Sol-gel auto-combustion technique for nanoparticle synthesis.
• Annealing at 800 °C, 900 °C, 1000 °C, and 1100 °C.
• Characterization using FTIR, FE-SEM, HR-TEM, EDAX, XPS, and VSM.

Main Results:

• Spherical morphology and uniform particle structure of GdFeO3 nanoparticles were confirmed by FE-SEM and HR-TEM.
• Elemental composition and oxidative states (Gd, Fe, O) were analyzed by EDAX and XPS.
• Vibrational characteristics were verified by FTIR.
• Gadolinium orthoferrite nanoparticles demonstrated a ferromagnetic nature, as evidenced by VSM measurements.

Conclusions:

• The sol-gel auto-combustion method is effective for synthesizing GdFeO3 nanoparticles.
• Annealing temperature influences the properties of GdFeO3 nanoparticles.
• Synthesized GdFeO3 nanoparticles exhibit promising ferromagnetic properties for potential applications.