1. 1) E. Bauer: J. Electron Spectrosc. Relat. Phenom. 114-116, 975 (2001).
2. 2) J.-W. Chiou and C.-H. Chen: Ch. 4 in “X-Rays in Nanoscience” (Wiley-VCH, Germany, 2010).
3. 3) K. Horiba, Y. Nakamura, N. Nagamura, S. Toyoda, H. Kumigashira, M. Oshima, K. Amemiya, Y. Senba and H. Ohashi: Rev. Sci. Instrum. 82, 113701 (2011).
4. 4) M. Oshima, S. Toyoda, K. Horiba, R. Yasuhara and H. Kumigashira: ECS Transactions 41, 453 (2011).
5. 5) S. Güenther, B. Kaulich, L. Gregoratti and M. Kiskinova: Prog. Surf. Sci. 70, 187 (2002).