2005
DOI: 10.1016/j.cplett.2005.03.033
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Orientation of nitrous oxide on palladium(1 1 0) by STM

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Cited by 26 publications
(31 citation statements)
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“…42 The surface structure under reducing conditions is ͑1 ϫ 1͒, which is very active toward N 2 O dissociation. With the surface temperature decreasing below 540 K, the N 2 distribution on Rh͑110͒ narrows from a cos 9 ͑ ±62͒ form at 550 K to a cos 13 ͑ ±46͒ form at 450 K. This distribution is not as sharp as would be expected from the high translational temperature of approximately 3500 K. This is also in contrast to previous results, i.e., the product CO 2 in the active region of the CO oxidation on Rh͑110͒ …”
Section: B Desorption Components and Adsorbed N 2 Ocontrasting
confidence: 56%
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“…42 The surface structure under reducing conditions is ͑1 ϫ 1͒, which is very active toward N 2 O dissociation. With the surface temperature decreasing below 540 K, the N 2 distribution on Rh͑110͒ narrows from a cos 9 ͑ ±62͒ form at 550 K to a cos 13 ͑ ±46͒ form at 450 K. This distribution is not as sharp as would be expected from the high translational temperature of approximately 3500 K. This is also in contrast to previous results, i.e., the product CO 2 in the active region of the CO oxidation on Rh͑110͒ …”
Section: B Desorption Components and Adsorbed N 2 Ocontrasting
confidence: 56%
“…24 Before each experiment, the surface was annealed at 1200 K for 5 min to remove the surface oxides. 23 Without further purification, 15 N 2 O ͑the isotope purity: 99%͒ was introduced through a gas doser while 13 CO ͑the isotope purity: 99%͒ was backfilled. The product signals of 15 N 2 and 13 CO 2 were mostly monitored in the AR form.…”
Section: Methodsmentioning
confidence: 99%
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“…This peculiar desorption is induced in the decomposition of N 2 O oriented along the [001] direction. This [001]-oriented N 2 O has been confirmed on Pd(110) and Rh(110) by density-functional theory with generalized gradient approximations (DFT-GGA) [27,28], scanning tunneling microscope (STM) [29], and near-edge Xray-absorption fine structure (NEXAFS) [30] work below 60 K. These studies commonly support the presence of two adsorption forms, i.e., one lying form oriented along the [001] direction and a tilted form with the terminal nitrogen atom interacting with the metal. This is also consistent with the results from vibrational spectroscopy at around 100 K [31].…”
Section: Angular and Velocity Distributionsmentioning
confidence: 99%
“…A tilting (on-top) form is bonding through the terminal nitrogen to the surface atom (S-type) and a lying form is oriented along the [001] direction (L-type) [32]. The L-type was later confirmed by scanning tunneling microscopy at 14 K [33]. The co-adsorption of the two forms was also confirmed with near-edge X-ray absorption fine structure at 60 K [34].…”
Section: Remarkably Anisotropic Desorptionmentioning
confidence: 59%