硬X射线和极低能光子揭示的Fe3O4光电子能谱的极化子行为
Polaronic behavior of photoelectron spectra of Fe3O4 revealed by both hard X-ray and extremely low energy photons
摘要：
在100-330 K温度范围内对Fe_3 O_4进行了硬X射线和极低能体敏光电子能谱学谱研究。在Verwey转变点以上的高温阶段，费米能级（EF）处的强度仍然可以忽略不计，但随着温度的进一步升高（250 K，330 K），其强度逐渐增加，这与电导率的温度依赖性相一致。该模型考虑了极化子效应，很好地解释了电场强度附近的光谱行为。
英文摘要：
Hard X-ray and extremely low energy bulk-sensitive photoelectron spectroscopy has been performed in the temperature range of 100-330 K for Fe3O4. In the high temperature phase just above the Verwey transition, the intensity at the Fermi level (EF) is still negligible, but it increases gradually with further increasing the temperature (250 K, 330 K) in consistence with the temperature dependence of the conductivity. The spectral behaviors near EF with temperature are well explained by the model, which takes the polaron effect into account.
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