Prices for Gallium Arsenide (GaAs) substrates, a key component in many electronics, are being raised in the second quarter of 2026.
This price hike is a direct response to the soaring cost of its essential raw material, gallium. In Western markets, gallium prices have shot past $2,000 per kilogram, more than double the levels seen in early 2025. To understand why this is happening, we need to look at a combination of policy, geopolitics, and technology demand.
First, the most significant factor is China's strategic control over gallium exports. China produces about 98% of the world's primary low-purity gallium, giving it immense market power. Since 2023, Beijing has tightened its grip through a strict licensing system and controls on extraction technology. This has created a stark two-tiered market: while gallium costs around $250/kg inside China, buyers elsewhere face prices that are many times higher. This isn't a natural resource shortage but a policy-driven scarcity.
Second, the recent conflict in the Middle East has amplified the supply shock. The effective closure of the Strait of Hormuz has disrupted global shipping, causing freight and insurance costs to spike. Since gallium is often recovered as a byproduct of aluminum production—a major industry in the Gulf region—these logistical nightmares add a significant 'war premium' to the cost, worsening the supply crunch for the rest of the world.
Finally, there's a strong and persistent demand from the tech industry. Gallium-based semiconductors are critical for high-performance applications. They are found in 5G base stations, the radio frequency (RF) modules in your smartphone, high-efficiency power supplies for AI data centers, and advanced solar cells for satellites. This steady, underlying demand means that any squeeze on supply is felt almost immediately in the form of higher prices. While the direct cost increase per smartphone is only a few cents, the rising wafer costs can pressure the profit margins of semiconductor companies down the line.
- Gallium Arsenide (GaAs): A compound semiconductor material used to make high-frequency and high-power electronic devices, such as the power amplifiers in smartphones.
- Epiwafer: Short for epitaxial wafer, it is a substrate (like a silicon or GaAs wafer) on which a thin, single-crystal layer of material has been deposited to build semiconductor devices.
- RF (Radio Frequency): Refers to the part of the electromagnetic spectrum used for wireless communications, including cellular networks, Wi-Fi, and Bluetooth.