Download Adsorbed Layers on Surfaces: Adsorbed Species on Surfaces by H. Over (auth.), H.P. Bonzel (eds.) PDF

By H. Over (auth.), H.P. Bonzel (eds.)

Surface technological know-how is known as a comparatively younger medical self-discipline, interested in the actual and chemical houses of phenomena on fresh and coated reliable surfaces, studied below a number of stipulations. The adsorption of atoms and molecules on good surfaces is, for instance, the sort of , attached with kind of drastic adjustments of all floor houses. An adsorption occasion is usually saw in nature and located to be of technical value in lots of business approaches. accordingly, floor technological know-how is interdisciplinary by way of its very nature, and as such a massive middleman among primary and utilized research.

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Surf. Sci. 134 (1983) 30. : Solid State Commun. 46 (1983) 871. : Surf. Sci. 128 (1983) 325. : Surf. Sci. 127 (1983) 513. : Phys. Rev. B 28 (1983) 6795. : Surf. Sci. 147 (1984) 143. : J. Electron Spectrosc. Relat. Phenom. 33 (1984) 175. : Surf. Sci. 144 (1984) 469. : Surf. Sci. 143 (1984) 517. : Surf. Sci. 140 (1984) 165. : J. Vac. Sci. Technol. A 2 (1984) 852. : Surf. Sci. 140 (1984) L229. : Surf. Sci. 148 (1984) 265, 283. : Surf. Sci. 137 (1984) 211. : Phys. Rev. Lett. 53 (1984) 850. : Surf.

4) Dissociation of NO by electron bombardment accompanied by electron stimulated oxygen desorption and following reduction of the residual oxygen by CO [93B3]. This method is not as “clean” as method 1. 5) Segregation of nitrogen (existing as impurity) from the bulk of the metal towards the surface. This effect was used with Cr(100) [97S4]. Other impurities in the bulk may segregate as well. e. the production of NH3 from N2 and H2 (Haber-Bosch synthesis) [50M1, 94T2]. A good catalyst for ammonia should be able to dissociate molecular nitrogen without forming too strong bonds to the metal surface or without forming nitrides [80E1].

2 Adsorption of C, N, and O on metal surfaces [Ref. p. 8 Phase diagrams and phase transitions in the O-metal surface system Table 8. Phase diagrams and phase transitions of O-metal systems. 04 (√3×√3)R30°-O 3-state Potts model phase diagram (2×2)O, (√3×√3)R30°-O (2×2)O, c(2×2) Transition from (2×2) to c(2×2) Cu(110) Mo(110) Ni(110) Ni(111) Ni(100) (100) Rh(110) (2×2) c(2×2) (2×2)pmg Rh(111) Rh(100) (1×n) (2×2)O (2×2)p4g Pd(100) Ru(0001) W(110) W(100) W(112) phase diagram/remarks/kind of order-disorder transition/critical temperature Tc (2×2)O (2×1)O (2×1)O (2×2)3O (2×2)3O (2×1)→(2×2) (2×1)+(2×2) (2×1)+(2×2) (2×1)O→(1×1) (2×1)O (2×1)O (2×1)O Tc = 550 K Tc = 590 K, T-θ phase diagram (2×2)pmg-(2×1) transition: 2D Ising model, Tc = 750 K Missing Row Reconstructions 4-states Potts model; Tc = 280±5 K transition to c(2×2): 2-state Ising model; Tc = 450±5 K.

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