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1,724 results on '"Ertl, Gerhard"'

1. Femtosecond Surface Vibrational Spectroscopy of CO Adsorbed on Ru(001) during Desorption

Author

Bonn, Mischa, Hess, Christian, Funk, Stephan, Miners, James H., Persson, Bo N. J., Wolf, Martin, Ertl, Gerhard, Bonn, Mischa, Hess, Christian, Funk, Stephan, Miners, James H., Persson, Bo N. J., Wolf, Martin, and Ertl, Gerhard

Abstract

Using time-resolved sum-frequency generation spectroscopy, the C—O stretch vibration of carbon monoxide adsorbed on a single-crystal Ru(001) surface is investigated during femtosecond near-IR laser excitation leading to desorption. A large transient redshift, a broadening of the resonance, and a strong decrease in intensity are observed. These originate from coupling of the C—O stretch to low-frequency modes, especially the frustrated rotation, that are highly excited in the desorption process.

Published
2024

2. From Structure to Function: An Introduction

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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3. The Belousov–Zhabotinsky Reaction

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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4. Catalytic Reactions at Solid Surfaces

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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5. Electrochemical Reactions

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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6. Systems with Interacting Particles and Soft Matter

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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7. Propagating Waves

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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8. Chemical Oscillations

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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9. Self-organized Stationary Structures

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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10. Self-assembly Phenomena

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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11. Thermodynamics of Open Systems

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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12. Design and Control of Self-organizing Chemical Systems

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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13. Molecular Machines

Author

Mikhailov, Alexander S., Ertl, Gerhard, Elitzur, Avshalom C., Series editor, Merali, Zeeya, Series editor, Padmanabhan, Thanu, Series editor, Schlosshauer, Maximilian, Series editor, Silverman, Mark P., Series editor, Tuszynski, Jack A, Series editor, Vaas, Rüdiger, Series editor, Mikhailov, Alexander S., and Ertl, Gerhard

Published
2017
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14. Selective Oxidation of Ammonia on RuO2(110): a combined DFT and KMC study

Author

Hong, Sampyo, Karim, Altaf, Rahman, Talat S., Jacobi, Karl, and Ertl, Gerhard

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

We have used a combination of density functional theory (DFT) and kinetic Monte Carlo (KMC) simulations to calculate the reaction rates for the selective oxidation of ammonia on RuO2(110). We find that the overall energy barrier for NH3 + O -> NH + H2O is 0.56 eV, while that for N + N -> N2, and N + O -> NO to be 0.27, and 0.14 eV, respectively. Our KMC calculations enable us to examine the kinetics not only of these mainline processes but also of additional 15 reactions among several intermediate species that illuminate the reactivity and selectivity of the former. In agreement with previous studies, we find that the key role in high reactivity of RuO2(110) in ammonia decomposition is played by the way in which, by promoting easier H abstraction, H bonding between ammonia and its intermediates with the adsorbate and substrate O converts NH decomposition into a non-activated (spontaneous) process. Further, our findings confirm in detail what experiment and previous studies have suggested about NO and N2 formation rates, namely, that NO desorption is a rate-limiting process in that surface NO blocks reaction sites at lower temperatures. Our calculations concerning selectivity (93% in favor of NO over N2) are in very close agreement with experiment (95%). They also explain why NO formation is so favored over N2 formation even at low O2 pressure. The significantly reduced N diffusion caused by various intermediates present on the RuO2(110) surface severely inhibits the recombination site for N+N -> N2, but interferes with that for N + O -> NO far less owing to the nearby availability of O from dissociation of O2., Comment: This paper has been withdrawn by the authors. it's just been submitted to a journal

Published
2010

15. Pattern Formation on the Edge of Chaos: CO Oxidation on Pt(110) under Global Delayed Feedback

Author

Bertram, Matthias, Pollmann, Michael, Rotermund, Harm H., Mikhailov, Alexander S., and Ertl, Gerhard

Subjects
Nonlinear Sciences - Pattern Formation and Solitons, Nonlinear Sciences - Chaotic Dynamics
Abstract

Experiments with catalytic CO oxidation on Pt(110) show that chemical turbulence in this system can be suppressed by application of appropriate global delayed feedbacks. Different spatiotemporal patterns, seen near a transition from turbulence to uniform oscillations, are investigated. Using a method based on the Hilbert transform, spatial distributions of local phase and amplitude in such patterns are reconstructed from the experimental data. The observed phenomena are reproduced in simulations using a theoretical model of the reaction., Comment: 4 pages, 2 figures. Submitted to PRL

Published
2001

18. Fritz Haber and His Institute

Author

Ertl, Gerhard, Friedrich, Bretislav, editor, Hoffmann, Dieter, editor, Renn, Jürgen, editor, Schmaltz, Florian, editor, and Wolf, Martin, editor

Published
2017
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26. Nonequilibrium Nanostructures in Condensed Reactive Systems

Author

Mikhailov, Alexander S., Hildebrand, Michael, Ertl, Gerhard, Beig, R., editor, Ehlers, J., editor, Frisch, U., editor, Hepp, K., editor, Hillebrandt, W., editor, Imboden, D., editor, Jaffe, R. L., editor, Kippenhahn, R., editor, Lipowsky, R., editor, v Löhneysen, H., editor, Ojima, I., editor, Weidenmüller, H. A., editor, Wess, J., editor, Zittartz, J., editor, Reguera, David, editor, Rubí, José Miguel, editor, and Bonilla, Luis López, editor

Published
2001
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46. Einleitung

Author

Ertl, Gerhard and Soentgen, Jens

Subjects
ddc:500
Published
2021

48. Helmut Knözinger

Author

Che, Michel, primary, Ertl, Gerhard, additional, Gates, Bruce C., additional, and Hadjiivanov, Konstantin, additional

Published
2014
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50. A Career in Catalysis: Robert Schlögl

Author

Bao, Xinhe, primary, Behrens, Malte, additional, Ertl, Gerhard, additional, Fu, Qiang, additional, Knop-Gericke, Axel, additional, Lunkenbein, Thomas, additional, Muhler, Martin, additional, Schmidt, Christoph M., additional, and Trunschke, Annette, additional

Published
2021
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