Spin Dynamics of Nearly Localized Electrons

M. A. Paalanen, S. Sachdev, R. N. Bhatt, A. E. Ruckenstein

Research output: Contribution to journalArticlepeer-review

97 Scopus citations


The electron-spin-resonance signal of metallic Si:P near the metal-insulator transition has been measured down to a temperature of 30 mK. The paramagnetic spin susceptibility and the resonance linewidth are found to increase sharply with decreasing temperature. We argue that these effects are due to the enhancement of spin fluctuations, and the accompanying slowing down of spin diffusion near the metal-insulator transition. The results are compared with the predictions of recent theories for the susceptibility and linewidth of disordered interacting-electron systems.

Original languageEnglish (US)
Pages (from-to)2061-2064
Number of pages4
JournalPhysical review letters
Issue number16
StatePublished - 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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