Table 3.
Two-body simulation results at Co K-edge of the CFO standard and the nanodots annealed at 600 °C and then 950 °C, where CN is the coordination number, R is the atomic distance, and σ is the Debye–Waller factor indicating the static and thermal disorder of the shell.
Nanodots | Commercial Nanopowder | |||||
---|---|---|---|---|---|---|
Shell | CN | R (Å) | σ2 (Å2) | CN | R (Å) | σ2 (Å2) |
Co1–O | 2.5 | 1.90 | 0.001 | 3.6 | 1.85 | 0.10 |
Co2–O | 4.6 | 2.05 | 0.010 | 5.4 | 2.04 | 0.007 |
Co2···M2 | 4.6 | 2.97 | 0.005 | 5.4 | 2.94 | 0.005 |
Co2···M1 | 4.6 | 3.52 | 0.010 | 5.4 | 3.43 | 0.010 |
Co1···M2 | 7.5 | 3.44 | 0001 | 10.8 | 3.46 | 0.003 |