Details
| Original language | English |
|---|---|
| Pages (from-to) | 9021-9027 |
| Number of pages | 7 |
| Journal | Journal of Chemical Physics |
| Volume | 116 |
| Issue number | 20 |
| Publication status | Published - 22 May 2002 |
Abstract
Spiral waves and formation of low work function areas in catalytic NO reduction with hydrogen on a Rh(111) surface was investigated using photoelectron emission microscopy (PEEM). A standard ultrahigh vacuum chamber was used pumped under reaction conditions by a turbomolecular pump with an effective pumping rate of ≈100 1/s. Chemical waves were observed in a parameter range adjacent to the oscillatory range. The dispersion relation for pulses was determined under conditions where a pattern was maintained for sufficiently long times to obtain reliable values. The long range interaction of pulses leading to sub-O formation below a distance of ≈100-150 μm was attributed to diffusing atomic hydrogen.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- General Physics and Astronomy
- Chemistry(all)
- Physical and Theoretical Chemistry
Cite this
- Standard
- Harvard
- Apa
- Vancouver
- BibTeX
- RIS
In: Journal of Chemical Physics, Vol. 116, No. 20, 22.05.2002, p. 9021-9027.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Spiral waves and formation of low work function areas in catalytic NO reduction with hydrogen on a Rh(111) surface
AU - Schaak, A.
AU - Imbihl, R.
PY - 2002/5/22
Y1 - 2002/5/22
N2 - Spiral waves and formation of low work function areas in catalytic NO reduction with hydrogen on a Rh(111) surface was investigated using photoelectron emission microscopy (PEEM). A standard ultrahigh vacuum chamber was used pumped under reaction conditions by a turbomolecular pump with an effective pumping rate of ≈100 1/s. Chemical waves were observed in a parameter range adjacent to the oscillatory range. The dispersion relation for pulses was determined under conditions where a pattern was maintained for sufficiently long times to obtain reliable values. The long range interaction of pulses leading to sub-O formation below a distance of ≈100-150 μm was attributed to diffusing atomic hydrogen.
AB - Spiral waves and formation of low work function areas in catalytic NO reduction with hydrogen on a Rh(111) surface was investigated using photoelectron emission microscopy (PEEM). A standard ultrahigh vacuum chamber was used pumped under reaction conditions by a turbomolecular pump with an effective pumping rate of ≈100 1/s. Chemical waves were observed in a parameter range adjacent to the oscillatory range. The dispersion relation for pulses was determined under conditions where a pattern was maintained for sufficiently long times to obtain reliable values. The long range interaction of pulses leading to sub-O formation below a distance of ≈100-150 μm was attributed to diffusing atomic hydrogen.
UR - http://www.scopus.com/inward/record.url?scp=0037157316&partnerID=8YFLogxK
U2 - 10.1063/1.1469601
DO - 10.1063/1.1469601
M3 - Article
AN - SCOPUS:0037157316
VL - 116
SP - 9021
EP - 9027
JO - Journal of Chemical Physics
JF - Journal of Chemical Physics
SN - 0021-9606
IS - 20
ER -