期刊
JOURNAL OF APPLIED PHYSICS
卷 107, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3305334
关键词
crystal defects; ferromagnetic materials; graphite; paramagnetic resonance; proton effects
资金
- Korea Ministry of Education, Science and Technology [R0A-2008000-20066-0, 20090082672]
- Seoul Research and Business Development Program [10583]
Electron spin resonance measurements of proton-irradiated graphite have revealed detailed nature of proton-irradiation-induced defects. Our results indicate that proton-irradiation creates confined defect regions of a metallic island surrounded by an insulating magnetic region which isolates the metallic island inside from the metallic graphite background outside. We have thus come up with a picture of phase separation in proton-irradiated graphite comprising three regions of distinct electrical and magnetic properties.
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