1 Introduction
2 Experimental
2.1 Sample Preparation
2.2 STM
2.3 SXRD
2.4 Theoretical Calculations
2.5 TPD and RAIRS
3 Results
3.1 In-Plane Geometry
3.2 Out-of-Plane Geometry
3.3 TPD
3.4 RAIRS
4 Discussion
Substrate | FeO(111) monolayer | Coincidence structure | ||
---|---|---|---|---|
Material | Lattice parameter (Å) | Lattice parameter (Å) | Superstructure type | Periodicity (Å) |
Cu(001) [21] | 2.56 | 3.04 | – | 20.5 |
Cu(110) [23] | 2.56 | ~3.05, ~3.13* | (n × 8), n = 17–19 | 43.5–48.6 × 20.5 |
Ru(0001) [11] | 2.7 | 3.08 | p(8 × 8) | 21.6 |
Pd(100) [19] | 2.75 | 3.1 | c(8 × 2) | 22 × 5.5 |
Pd(111) [14] | 2.75 | 3.1 | p(8 × 8) | 22 |
Pt(111) [53] | 2.77 | 3.1 |
\(\left( {\sqrt {91} \times \sqrt {91} } \right)R5.2^\circ\)
| 25.4 |
Pt(100) [17] | 2.77 | 3.12, 3.18 3.08, 3.17 | p(2 × 9) c(2 × 10) | 5.5 × 24.9 5.5 × 27.7 |
2.88 | 3.3 (±0.3) | – | 34 (± 4) | |
Ag(111) | 2.89 | 3.25 | p(9 × 9) | 26 |
Ag(100) | 2.89 | 3.18, 3.30 3.15, 3.30 | p(2 × 11) c(2 × 12) | 5.8 × 31.8 5.8 × 34.7 |