Article http://dx.doi.org/10.26855/sa.2026.03.001

Magnetite Nanomaterials: Synthesis, Characterization, and Multifaceted Applications

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Noor Zulfiqar1,*, Ihtisham Ahmad2, Kinza Ali3, Muhammad Arsalan4, Satyadhar Joshi5

1Department of Chemistry, Faculty of Science, University of Agriculture, Faisalabad, Punjab 38000, Pakistan.

2Department of Sustainable Environment and Energy Systems, Middle East Technical University, Northern Cyprus Campus, Kalkanli 99738, Guzelyurt, Mersin, Turkey.

3Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Kuantan 26300, Malaysia.

4University of the Chinese Academy of Sciences, Beijing 100039, China.

5Department Information Technology, MSIT Alumnus, Touro College, New York, NY 10010, USA.

*Corresponding author: Noor Zulfiqar

Published: February 9,2026

Abstract

Nanomaterials, defined as materials with at least one dimension below 100 nm, have gained immense attention due to their unique physicochemical, electrical, optical, and magnetic properties that differ significantly from bulk materials. Among them, magnetite nanoparticles (Fe₃O₄) and their nanocomposites stand out for their tunable surface chemistry, biocompatibility, and ease of magnetic recovery, enabling wide-ranging applications in medicine, catalysis, environmental remediation, electronics, and biotechnology. This study provides a comprehensive overview of magnetite nanoparticles and nanocomposites, including their synthesis strategies with emphasis on green and sustainable approaches, structural characteristics, and functional performance. Characterization techniques such as UV–Vis spectroscopy, FTIR, SEM, and EDX are discussed to highlight methods for evaluating their morphology, crystallinity, and composition. Particular attention is given to their role in targeted drug delivery, bioimaging, antimicrobial activity, heavy metal adsorption, and wastewater treatment, demonstrating their versatility in addressing environmental and biomedical challenges. By summarizing recent advances, challenges, and opportunities, this review offers a consolidated understanding of magnetite nanomaterials as a platform for next-generation technologies.

Keywords

Magnetite nanoparticles; Magnetite nanocomposites; Green synthesis; Biochar; Nanomaterials; Environmental remediation; Drug delivery; Antimicrobial activity; Heavy metal adsorption; Characterization techniques

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How to cite this paper

Magnetite Nanomaterials: Synthesis, Characterization, and Multifaceted Applications

How to cite this paper: Noor Zulfiqar, Ihtisham Ahmad, Kinza Ali, Muhammad Arsalan, Satyadhar Joshi. (2026) Magnetite Nanomaterials: Synthesis, Characterization, and Multifaceted ApplicationsScientific Access, 2(1), 1-13.

DOI: http://dx.doi.org/10.26855/sa.2026.03.001