Muon spectroscopy

Muons are short-lived heavy versions of the electron. Fully spin-polarised muons are implanted into materials where they sense the local magnetic fields and the polarisation of the muon ensemble responds to these. This makes muons extremely sensitive to magnetism and superconductivity effects. They can also be used to study ionic diffusion, e.g. in battery materials, and can be used as mimics of isolated hydrogen to investigate hydrogen behaviour in materials.

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