Cobalt Ferrite (CoFe₂O₄)

Surface Area (m²/g) :	N/A
Particle size d₅₀ (μm) :	<1.5
Purity (%) :	>99.9

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Description
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Catalogue Code	IN-CoFe-01
CAS No.	12052-28-7
Chemical Formula	CoFe₂O₄
Compound Name	Cobalt Ferrite
Surface Area (m²/g)	N/A
Particle size d₅₀ (μm)	<1.5
Purity (%)	>99.9

Introduction

Cobalt Ferrite, CoFe₂O₄, is a ferrite spinel with unique magnetic, electrical, and mechanical properties. Such materials are critical in electronic applications, and their high coercivity, moderate saturation magnetization, and electrical resistivity allow for efficient use in devices requiring magnetic and electronic integration.

Properties

Cobalt Ferrite properties are unique. Some of the essential properties are tabulated below:

Properties	Details
Appearance	Powder
Molar mass	234.63 g/mol
Saturation Magnetization	High (80-100 emu/g)
Density	5.4 g/cm³
Coercivity	Moderate to high
Electrical Resistivity	Relatively high

Applications

The cobalt Ferrite has several unique applications. Below are some of the cobalt ferrite application areas:

Magnetic Storage Devices: Due to their strong magnetic properties, magnetic storage devices are used in hard drives and other data storage technologies.
Electromagnetic Devices: Doped cobalt ferrites are employed in transformers, inductors, and magnetic sensors, benefiting from their high electrical resistivity and magnetic performance.
Catalysts: It is used in various catalytic processes, including environmental remediation and the degradation of pollutants.
Nanotechnology: Utilized in synthesizing nanocomposites and as a magnetic nanoparticle component for various sensors and diagnostics applications.
Ceramics: Incorporated into ceramic materials for electronic applications, enhancing their magnetic and dielectric properties.
Pigments: Pigments are employed as black pigments in paints, inks, and plastics due to their stability and color.

FAQs

Queston: What is cobalt ferrite?

Answere: Cobalt ferrite is a spinel-type magnetic material composed of cobalt and iron oxides. It is known for its strong magnetic properties, electrical resistivity, and chemical stability.

Queston: What are the main properties of cobalt ferrite?

Answere: It exhibits high saturation magnetization, moderate to high coercivity, good electrical resistivity, thermal stability, and a unique spinel crystal structure.

Queston: What are the applications of cobalt ferrite?

Answere: It is used in magnetic storage devices, electromagnetic devices, biomedical applications, catalysts, nanotechnology, ceramics, and as a pigment.