Ta2O5 (Tantalum Pentoxide) Pellets Granules Evaporation Materials

Description

Material	Tantalum Pentoxide (Ta2O5)
Purity	99.9% – 99.9999% / 3N 3N5 4N 4N5 5N 5N5 6N
Shape	Pellets / Granules / Particles / Pieces
Size	can be customized (contact us)
Package	vacuum bag or customer’s request
Place of Origin	China
Supply Ability	1000kg per month
Lead Time	Qty: 1-100, Time: 3-10 days Qty: >100, Time: to be negotiated

Tantalum Pentoxide (Ta₂O₅) is a widely used dielectric material in thin-film deposition processes. Its high refractive index, wide bandgap, and excellent thermal and chemical stability make it an essential material for optical coatings, electronics, and semiconductor applications. Ta₂O₅ pellets are often utilized in electron-beam (e-beam) and thermal evaporation for the deposition of high-quality thin films.

Key Applications:

Optical Coatings: Ta₂O₅ is extensively used in anti-reflective (AR) coatings, mirror coatings, and filters due to its high refractive index and transparency in the visible and near-infrared (NIR) spectrum.
Semiconductors: It is used as a dielectric layer in capacitors, transistors, and other semiconductor devices, offering excellent insulation and low leakage current.
Thin Film Transistors (TFTs): Ta₂O₅ is used in the gate dielectric for TFTs, enhancing performance and reducing power consumption.
Photonic Devices: Ta₂O₅ thin films are employed in waveguides, modulators, and other photonic components due to their high optical quality and stability.
Protective Coatings: Ta₂O₅ is used as a protective layer in electronics and optics, providing resistance against corrosion, high temperatures, and mechanical wear.

Features:

High Refractive Index: With a refractive index of around 2.1, Ta₂O₅ is ideal for multilayer coatings in optics, where light manipulation and reflection control are critical.
Excellent Dielectric Properties: Ta₂O₅ offers a high dielectric constant, making it an effective insulator in capacitors and semiconductors.
Wide Bandgap: Ta₂O₅ has a wide bandgap (~4 eV), which contributes to its transparency in the visible and NIR range and its low electrical conductivity.
Thermal Stability: Ta₂O₅ exhibits excellent thermal stability, making it suitable for high-temperature processes and applications.
Chemical Resistance: It is resistant to most acids and chemicals, ensuring longevity in harsh environments.

Specifications:

Material: Tantalum Pentoxide (Ta₂O₅)
Purity: ≥ 99.9%
Shape: Pellets
Size: Typically 1-6 mm in diameter (custom sizes available)
Density: 8.2 g/cm³
Melting Point: 1872°C
Refractive Index: ~2.1 (in the visible spectrum)
Bandgap: ~4 eV
Deposition Methods: Suitable for electron-beam (e-beam) and thermal evaporation
Optical Transparency: Transparent from UV to near-infrared (200 nm – 8 µm)
Applications: Optical coatings, dielectric layers in electronics, semiconductor devices, and protective coatings

Tinsan Materials offers high-purity Ta₂O₅ (Tantalum Pentoxide) pellets for evaporation. Ideal for optical coatings, semiconductor devices, and dielectric layers. Suitable for e-beam and thermal evaporation processes.

If you have specific requirements, such as dimensions, purity, or application details, please contact us to match your needs.