Description
Specifications Table
Product Name – Gallium(III) oxide, Puratronic|r, 99.999% (metals basis)
Quantity/Pack Size – 5g, 25g, 100g, 500g
Form – Powder
Grade – Puratronic (99.999% metals basis)
Application – Semiconductor fabrication, transparent conductive oxides, LED/photovoltaic research, high-temperature ceramics
Product Overview
Gallium(III) oxide (Ga₂O₃) in Puratronic grade offers exceptional purity at 99.999% (metals basis), making it a critical material for cutting-edge applications in electronics and materials science. This ultra-high-purity powder is processed under stringent conditions to eliminate trace metallic and anionic contaminants, ensuring consistent performance in sensitive research environments. The material’s wide bandgap (~4.8 eV) and thermal stability up to 1,800°C make it particularly valuable for high-power and high-frequency semiconductor devices, including Schottky diodes and field-effect transistors. Its transparency to visible light and UV radiation further extends its utility in optoelectronic applications such as deep-UV photodetectors and transparent conductive layers. The Puratronic certification guarantees lot-to-lot uniformity, with rigorous ICP-MS analysis confirming impurity levels below 10 ppm for most metallic elements. Packaged under inert conditions to prevent moisture absorption, this gallium oxide maintains its stoichiometric integrity during storage and handling. Researchers benefit from its compatibility with standard thin-film deposition techniques like PLD, MBE, and sputtering, enabling seamless integration into existing fabrication workflows.
FAQs
1. What is the difference between Puratronic and standard-grade gallium(III) oxide?
Puratronic grade undergoes additional purification steps to achieve 99.999% purity with tighter control over trace impurities like iron, silicon, and alkali metals, which are critical for semiconductor applications where even ppm-level contaminants can affect device performance.
2. Can this gallium oxide be used for solution-based synthesis methods?
The powder dissolves in strong mineral acids like HCl or HNO₃ to form gallium salts, but its insolubility in water and organic solvents limits direct use in sol-gel or hydrothermal routes without pre-treatment. For solution processing, gallium nitrate or chloride precursors are often preferred.
3. How does the particle size distribution affect thin-film deposition quality?
This product typically features sub-micron particles with a narrow size distribution, which enhances uniformity during physical vapor deposition. Larger agglomerates can be broken down via planetary milling if finer grain control is required for specific coating techniques.
4. What precautions are needed for long-term storage to prevent degradation?
Store the sealed container in a desiccator under nitrogen or argon to minimize exposure to humidity, which can lead to surface hydroxylation. Avoid temperature fluctuations, as condensation may compromise purity. Unopened packages retain specifications for 24 months under these conditions.
5. Are there lower-purity alternatives available for preliminary testing?
For non-critical applications, 99.99% or 99.9% gallium oxide grades are cost-effective options, though they may contain higher levels of transition metals and alkaline earth impurities that could impact electrical or optical properties in sensitive systems.
