Search for Positron Trapping at Quantum-Dot Like Cu Nano Particles on the Surface of Fe Using Positron Annihilation induced Auger Electron Spectroscopy (PAES)

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Materials Science Forum (Volumes 445-446)

Edited by:

Toshio Hyodo, Yoshinori Kobayashi, Yasuyuki Nagashima, Haruo Saito

Pages:

156-158

Citation:

M. P. Nadesalingam et al., "Search for Positron Trapping at Quantum-Dot Like Cu Nano Particles on the Surface of Fe Using Positron Annihilation induced Auger Electron Spectroscopy (PAES)", Materials Science Forum, Vols. 445-446, pp. 156-158, 2004

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January 2004

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[5] L. E Davis, N.C. McDonald, P.W. Palmberg, G.E. Riach, R.E. Webber: Handbook of Auger Electron Spectroscopy, second edition, (Perkin Elmer 1978). Fig. 3. PAES spectra obtained from sputtered 2h aging sample and the same surface annealed to enhance the surface concentration of Cu to 0 % and 6. 05%. -5 0 5 10 15 20 25 30.

[10] [20] [30] [40] [50] [60] [70] [80] [90] 100 Fraction of positrons annihilating with Cu from PAES Surface concentration of Cu (atomic %) from EAES Fig. 4. Fraction of positrons annihilating with Cu(from PAES) versus surface concentration of Cu(at. %) (from EAES). The solid curve is a guide to the eye.

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