Buy Magnetic Nanomaterials | Superparamagnetic Iron Oxide Nanoparticles

Magnetic Nanomaterials

Magnetism has long guided explorers and enabled civilizations to navigate uncharted worlds but its future lies in the nanoscale. As early as the 2nd century BCE, ancient Chinese scholars created the “south-pointing spoon”, a magnetic compass carved from magnetite-rich hematite. While it appeared solid, its magnetic behavior was often driven by fine grained nanoscale magnetic domains—a phenomenon now harnessed in advanced magnetic nanoparticle-based sensors and biomedical tools.

From primitive compasses to precision-targeted therapies, magnetic materials have reshaped how we interact with the physical world. Today, magnetic nanomaterials offer unparalleled tunability, enabling superparamagnetism, remote activation, and multi-functional integration in fields like biomedicine, data storage, environmental remediation, and smart catalysis.

At Higgsmond, we can offer a diverse portfolio of magnetic nanomaterials engineered to meet the stringent needs of R&D labs, medical researchers, and commercial manufacturers. As an India-based nanomaterials trading company with global reach, we deliver application-ready, high-performance magnetic nanostructures across industries.

What Makes Magnetic Nanomaterials Unique?

Superparamagnetism at Room Temperature – Enables responsive behavior without residual magnetism
Remote Field Activation – Facilitates drug delivery, magnetic hyperthermia, and nano-actuation
High Surface Area-to-Volume Ratio – Ideal for catalysis, pollutant removal, and sensing efficiency
Multifunctionality – Combines magnetic, optical, and therapeutic effects in a single nanosystem
Recoverable & Recyclable – Easily separated magnetically, enhancing circular material use

Magnetic Nanomaterial Product Range

Iron Oxide Nanoparticles (Fe₃O₄, γ-Fe₂O₃) - MRI contrast agents, magnetic separation, hyperthermia therapy
Cobalt Nanoparticles (CoNPs) - High coercivity materials for data storage and permanent magnets
Nickel Nanoparticles (NiNPs) - Magnetic inks, catalytic processes, alloy strengthening
Core–Shell Magnetic Nanoparticles (e.g., Fe₃O₄@SiO₂) - Biocompatible systems for drug delivery and diagnostics
Spinel Ferrite Nanoparticles (MnFe₂O₄, CoFe₂O₄, ZnFe₂O₄) - Magnetic fluids, battery materials, and photocatalysts
Magnetic Carbon Nanocomposites - Water purification, magnetically recoverable adsorbents
Bimagnetic & Doped Nanoparticles (e.g., FePt, FeCo) - Nanomedicine and high-density magnetic storage
Surface Functionalized MNPs - PEGylated, carboxyl, amine, or antibody-coated for targeted biomedical applications

Specifications

Particle Size Range: 5–100 nm (custom sizes available)
Purity: ≥99.5%, with low aggregation and narrow size distribution
Surface Functionalization: Citrate, PEG, PVP, Silane, Antibody, or Custom Ligands
Dispersion Media: Water, PBS, Ethanol, DMSO, or Client-Specified Solvents
Magnetic Properties: Tuned for superparamagnetic or ferromagnetic performance
Available Formats: Dry powder, colloidal dispersion, polymer-coated, or core–shell structures

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Frequently Asked Questions

Magnetic nanomaterials are particles sized between 5–100 nm that exhibit magnetic behavior such as superparamagnetism. At this scale, their surface and magnetic domain interactions enable high responsiveness to external magnetic fields, making them ideal for precision applications in medicine, sensing, and separation.

We supply iron oxide (Fe₃O₄, γ-Fe₂O₃), cobalt, nickel, spinel ferrites (MnFe₂O₄, CoFe₂O₄, ZnFe₂O₄), bimagnetic alloys (FePt, FeCo), and composite forms like carbon-magnetic hybrids and core–shell systems.

Superparamagnetism occurs when magnetic nanoparticles behave like single magnetic domains and do not retain magnetism after the external magnetic field is removed. This makes them perfect for applications like MRI imaging or drug delivery, where residual magnetism could interfere with performance or safety.

Magnetic nanoparticles are coated with targeting ligands or drugs and guided by external magnetic fields to specific sites in the body—allowing localized therapy with reduced side effects and improved precision.

Higgsmond provides globally sourced, application-ready magnetic nanomaterials with customization options, surface functionalization, documentation support, and scalable supply, ideal for both research institutions and industrial projects.