Meet NIST’s semiconductor thin film standard! It’s made of a layer of aluminum gallium arsenide (AlGaAs) on top of a wafer about the size of a fingernail and is

Quantum News • 2026-07-18 21:12 UTC • By Billy Odell Tucker-Robinson

Meet NIST’s semiconductor thin film standard! It’s made of a layer of aluminum gallium arsenide (AlGaAs) on top of a wafer about the size of a fingernail and is useful for applications such as wireless and optical communications.

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