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首页> 外文期刊>The European physical journal. Applied physics >Resonant photoemission of rare earth doped GaN thin films
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Resonant photoemission of rare earth doped GaN thin films

机译:稀土掺杂GaN薄膜的共振光发射

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摘要

The 4d → 4f Fano resonances for various rare earth doped GaN thin films (RE = Gd, Er, Yb) were investigated using synchrotron photoemission spectroscopy. The resonant photoemission Fano profiles show that the major Gd and Er rare earth 4f weight is at about 5-6 eV below the valence band maximum, similar to the 4f weights in the valence band of many other rare earth doped semiconductors. For Yb, there is very little resonant enhancement of the valence band of Yb doped GaN, consistent with a largely 4f~(14) occupancy.
机译:使用同步加速器光发射光谱法研究了各种稀土掺杂的GaN薄膜(RE = Gd,Er,Yb)的4d→4f Fano共振。共振光发射法诺曲线表明,主要的Gd和Er稀土4f重量在价带最大值以下约5-6 eV,类似于许多其他稀土掺杂半导体的价带中的4f重量。对于Yb,掺Yb的GaN的价带几乎没有共振增强,这与4f〜(14)的占有率相一致。

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