Description of Custom Bismuth Sputtering Target

Our Custom Bismuth Sputtering Target solves the frustrations when standard sizes do not fit your sputtering system. Off-the-shelf bismuth targets often have fixed dimensions and poor grain uniformity, bringing oxidation and uneven film growth that derails your custom thin-film experiments. We tailor dimensions, thickness, and backing bonding to match your chamber requirements. Our carefully processed bismuth material has dense, consistent grains that limit segregation and surface oxidation during deposition. It works well for thermoelectric coatings and low-temperature electronic device research. Each custom target goes through full surface and purity checks before delivery. We can adjust geometries to meet your unique setup, with backing plate options available. Skip compromises from generic stock targets, reduce wasted substrates, and spend more of your lab time collecting reliable thin-film measurement data for your special R&D projects. 

Features of Custom Bismuth Sputtering Target

1. Tailored sizes for sputter systems 

2. Ideal for topological insulator applications 

3. Dense target for uniform deposition  

4. Excellent thermoelectric properties available  

5. Low impurity for consistent results  

6. Suitable for DC and RF magnetron  

7. Supplied with purity certificate  

8. Vacuum-sealed for contamination protection

Applications of Custom Bismuth Sputtering Target

Topological Insulators and Spintronics: Used to fabricate thin films such as Bi₂Se₃ and Bi₂Te₃; these are core materials for research into quantum computing and the spin Hall effect.

‌Thermoelectric Conversion: Bismuth-based alloys (e.g., Bi-Sb-Te) exhibit excellent thermoelectric properties near room temperature and are used for micro-cooling and ambient energy harvesting.

‌Semiconductors and Electronic Devices: Used in the fabrication of thin films for sensors, memory devices, and more, providing specific electrical or optical properties.

‌Other Applications: Includes research into ferroelectric thin films (e.g., SBT) and eco-friendly alternatives to lead.‌‌

Specifications of Custom Bismuth Sputtering Target

Circular Sputtering Targets (Diameter): 1.0”, 2.0”, 3.0”, 4.0”, 5.0”, 6.0” up to 21”

Rectangular Sputtering Targets (Width x Length): 5” x 12”, 5” x 15”, 5” x 20”, 5” x 22”, 6” x 20”

Thickness: 0.125”, 0.25”

Shape: Disc/Rectangular

Bonding: Unbonded/Bonded

Purity: 4N (99.99%)

Customization Options

Suppliers generally offer customization in the following areas:

‌Dimensions and Shapes‌: Circular (2-inch, 3-inch, 4-inch, etc.), rectangular, rotary targets, granules, or custom irregular shapes.

‌Purity and Impurity Control: Controlling impurities such as lead, antimony, and silver to below ppm levels (e.g., via vacuum zone refining).

‌Tolerances and Surface Finish: Controlling surface roughness to specifications to ensure sputtering uniformity.‌‌