Dr. Robert Castellano's Semiconductor Deep Dive Newsletter

Dr. Robert Castellano's Semiconductor Deep Dive Newsletter

Why Gadolinium Is the Hidden Frontline in the U.S.-China Rare Earth Trade War

Dr. Robert Castellano's avatar
Dr. Robert Castellano
Apr 04, 2025
∙ Paid

In over four decades tracking the intersection of technology and global supply chains, I’ve seen few threats as underappreciated — and as immediate — as the one facing MRI imaging.

While most discussions about rare earths focus on electric vehicles and wind turbines, it’s gadolinium — a heavy rare earth essential to MRI contrast agents — that poses one o…

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