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China’s exports of two rare minerals essential for manufacturing semiconductors fell to zero in August, a month after Beijing imposed curbs on sales overseas, citing national security.
A 2-inch diameter gallium oxide wafer is pictured at the Hangzhou International Science and Innovation Center of Zhejiang University in Hangzhou, Zhejiang province, China, on May 30, 2022.
The spot price of gallium metal reached 1,975 yuan ($269.95) per kg on Oct. 18, up 18% since the start of July and up 8% since Aug. 1, d Chinese gallium prices hit 7-month high as demand improves ...
Gallium(III) oxide is an inorganic compound and ultra-wide-bandgap semiconductor with the formula Ga 2 O 3. It is actively studied for applications in power electronics, phosphors, and gas sensing. [5] [6] [7] The compound has several polymorphs, of which the monoclinic β-phase is the most stable.
The export restrictions have had a mixed impact on prices for those critical minerals, with the price of antimony more than doubling this year to over $25,000 per ton. Prices for gallium, germanium and graphite also have mostly risen. ___ AP researcher Yu Bing in Beijing contributed to this report.
Transphorm, Inc. is an American semiconductor company focused on producing transistors made from gallium nitride (GaN) for use in switched-mode power supplies. [1] The company was acquired by Renesas Electronics in 2024.
IGZO's advantage over zinc oxide is that it can be deposited as a uniform amorphous phase while retaining the high carrier mobility common to oxide semiconductors. [11] The transistors are slightly photo-sensitive , but the effect becomes significant only in the deep violet to ultra-violet ( photon energy above 3 eV ) range, offering the ...
China announced Tuesday it is banning exports to the United States of gallium, germanium, antimony and other key high-tech materials with potential military applications, as a general principle ...