Spin Polarons in Strongly Correlated Electron Materials
- Storchak, Vyacheslav G.
- Parfenov, Oleg E.
- Brewer, Jess H.
- Eshchenko, Dmitry G.
- Lichti, Roger L.
- Mengyan, Patrick W.
- Arseneau, Donald J.
- Hitti, Bassam
DOIAbstract
AbstractIn insulators and semiconductors, the positive muon can bind an electron to form a muonium atom due to Coulomb interaction. In a strongly correlated system, the exchange interaction between free electrons and localized spins creates another channel for electron localization — the charge carrier localizes into a ferromagnetic “droplet” on the scale of the lattice spacing — a spin polaron. Here we show examples of spin polaron formation in strongly correlated electron materials detected by the muon spin rotation technique
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