High-Quality Zinc Oxide Targets from China Suppliers | Reliable Factory for Thin Film Coatings
High transmittance and conductivity
High transmittance in the visible light range, with resistivity further reducible through doping, suitable for transparent electrodes.
Crystallinity
High-quality films with c-axis preferential orientation can be prepared, which is beneficial for piezoelectric and optoelectric performance.
Low-temperature film formation capability
Can be deposited at lower temperatures (even at room temperature), suitable for flexible substrates and temperature-sensitive devices.
High sputtering rate and stability
High density and high purity ensure a stable sputtering process with a high film formation rate.
Uniformity and consistency
Fine and uniform grains (usually ≤10μm) enable uniform film formation over large areas.
Low defects and contamination
The microstructure is dense, and fewer particles are produced during the sputtering process, which is beneficial for improving device yield.
Doping flexibility
The electrical properties can be regulated through doping with elements such as Al and Ga to achieve n-type conductivity.
Piezoelectric and thermoelectric properties
It has good piezoelectric coefficients and thermoelectric responses, making it suitable for sensors and energy harvesting devices.
Chemical stability
Chemically stable at room temperature, resistant to moisture and oxidation, suitable for various process environments.
Frequently Asked Questions
What are the primary optical and electrical features of these thin films?
These thin films offer high transmittance within the visible light spectrum and outstanding electrical conductivity. Their resistivity can be further optimized and reduced via doping, making them highly suitable for transparent electrode applications.
Can these films be deposited on temperature-sensitive or flexible substrates?
Yes. Thanks to their low-temperature film formation capability, they can be successfully deposited at lower temperatures, including room temperature. This makes them fully compatible with flexible substrates and temperature-sensitive devices.
How does target grain size affect the sputtering uniformity?
The targets feature fine and uniform grains, typically ≤10μm. This microscopic consistency ensures highly uniform and consistent film formation across large surface areas during the sputtering process.
What makes these thin films suitable for sensor and energy harvesting applications?
The films can be prepared with high-quality c-axis preferential orientation, delivering excellent piezoelectric coefficients and thermoelectric responses, which are essential for high-performance sensors and energy harvesting devices.
How is the electrical conductivity of these films regulated?
The electrical properties can be flexibly regulated by doping the material with elements such as Aluminum (Al) and Gallium (Ga) to easily achieve n-type conductivity.
How do these thin films help in improving device yields?
Due to their dense microstructure, high density, and high purity, fewer particles are generated during the sputtering process. This low defect and low contamination rate significantly improve overall device yield.