Achievements of ISIS muon science

Highlights in ISIS science 1984-2007

Shallow donor hydrogen states

The ability of hydrogen impurities to act as dopants in some semiconductors was discovered from muon measurements at the end of the 1990s, challenging traditional understanding of hydrogen behaviour in semiconductors and having important implications for the electronic properties of these materials.

SFJ Cox et al., Phys. Rev. Lett. 86 (2001) 2601.

Molecular magnetism

Single molecule magnets have attracted attention because of the potential they offer for magnetic storage.  They consist of a cluster of magnetic ions surrounded by organic material, and they act, at low temperatures, like ultra-small magnetic particles. Understanding their magnetic properties is important for their exploitation – muon measurements at ISIS have helped shed light on their properties.

A lascialfari et al., Phys. Rev. Lett. 81 (1998) 3773.

Muons reveal the secrets of hydrogen in semiconductors

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