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Field emitted electrons from longitudinal magnetized iron are accelerated up to an energy of 126 keV. The polarisation of the electrons was measured by Mott-Scattering. The polarisation wasP=0.0001±0.0019. 相似文献
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The energy spectrum of secondary electrons from insulators has been measured using primary electrons of a beam density of 10?13 to 10?14 A/cm2 and detecting single secondaries by an Allen-type multiplier. 相似文献
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