Technical articles

What are the commonly used dielectric materials

2024-03-04

Introduction:

Dielectric materials are widely used in different industries such as electronics, energy, and healthcare. They are essential for the creation and development of numerous devices and technologies. This article will focus on some commonly used dielectric materials, specifically titanium dioxide, barium titanate, and carbon nanotubes.


Barium Titanate:

Barium Titanate is a high-performance ferroelectric ceramic material that serves as a dielectric material. It has a wide range of applications, such as in polymer modification to enhance the dielectric constant, in capacitors, piezoelectric ceramics, sensors, and many more. With its desirable properties, Barium Titanate is known for its high dielectric constant, which makes it a suitable candidate for materials with low dielectric constant like epoxy resins.

Barium Titanate powder


Epoxy resins, with dielectric constants ranging from 3 to 4, are not ideal for certain applications without proper modification. However, when added with nano-sized Barium Titanate, epoxy resin's dielectric constant is significantly improved. Up to a point, the dielectric constant can reach around 50, depending on the sizes of the filler particles, the type of coupling agents used, and the added amount.


Titanium Dioxide:

Titanium Dioxide is widely used because of its excellent photocatalytic, photoelectric, and electron-transfer properties. It is used in various applications such as electronic devices, solar cells, and optoelectronic components because of its high dielectric constant of around 200.

tio2 powder

Carbon nanotubes:

Carbon nanotubes are an exceptional dielectric material due to their unique structure and high electrical conductivity. Because of their high conductivity, even tiny amounts of this material can significantly improve the dielectric constant of polymers. This material is used extensively in electronic components, conductive films, sensors, and other applications.

carbon nanotube powder

SAT NANO:

Leading in the industry, SAT NANO provides high-quality nanometal powders, oxide powders, carbide powders, and alloy powders. The company has been serving the needs of different industries, providing high-quality materials that are essential in creating the latest and most innovative products.


Conclusion:

Dielectric materials like titanium dioxide, barium titanate, and carbon nanotubes play a significant role in creating numerous devices and technologies. Their properties, including high dielectric constants and conductivity, make them ideal candidates for different applications in different industries. With the wide range of dielectric materials available in the industry, the importance of finding the right materials that fit the specific needs of the project cannot be overstated. SAT NANO provides top-notch nanometal powders, including those used in dielectric materials.

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