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Basics and applications of low-loss EELS

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Interb<strong>and</strong> transitions<br />

Critical points<br />

3.3 eV<br />

4.3 eV<br />

GaN<br />

Al 45 Ga 55 N<br />

3.3 eV<br />

6.9 eV<br />

8.0 eV<br />

9.1 eV<br />

11.1 eV<br />

Acquisition time: 1 min<br />

0 2 4 6 8 10 1 2 14<br />

Energy <strong>loss</strong> (eV)<br />

Detection <strong>of</strong> b<strong>and</strong> gap <strong>and</strong> critical points<br />

30<br />

Gu et al, Phys. Rev. B 75 (2007) 195214<br />

Gu et al, J. Phys. Conf. Ser. 126 (2008) 012005<br />

MPI for Intelligent Systems

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