Magnetoresistance Study of Bi and Bi–Sb Alloys in High Magnetic Fields. I. Enhancement of Shubnikov-de Haas Oscillation Amplitude in Bi–Sb Alloys
作者： Kenji Hiruma , Giyuu Kido , Noboru Miura
DOI: 10.1143/JPSJ.51.3278
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摘要: Shubnikov-de Haas effect was observed in Bi and 100- x Sb alloys ( is the atomic percentage of Sb) with =0.1, 0.5 1.4 pulsed high magnetic fields up to 45 T. It found that relative amplitude quantum oscillation greatly enhanced, by doping a small amount into pure Bi. An explanation made for enhancement based upon theory diffusion size effect, assuming bulk electron-hole recombination time much smaller than
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