低電圧Mott型スピン偏極電子エネルギー分光計によるアモルファス強磁性体スピン偏極電子の測定
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概要
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The performance of the spin-polarized electron energy spectrometer equipped with a low-voltageMott-type spin polarimeter were made tentatively by using a ferromagnetic amorphous material, Fe,9 B,b Sib,as a spin-polarized electron source. Our measurement showed that the secondary electrons from the materialpolarized in spin in the region of low kinetic energy. The polarization amounted approximately to several tenpercent at the kinetic energies of 2eV and 4eV. It should be suggested that ferromagnetic amorphousmaterials such as Fe79 B16 Si6 are excellent spin-polarized electron sources of promise, taking therelatively-high polarization reported for other similar amorphous materials into consideration.
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