Dynamic Processes on Solid Surfaces

Kenzi Tamaru

ISBN 10: 030644268X / ISBN 13: 9780306442681

Published by Springer US, Springer New York Sep 1993, 1993

About this Item

This item is printed on demand - it takes 3-4 days longer - Neuware -When we see a jumbo jet at the airport, we sometimes wonder how such a huge, heavy plane can fly high in the sky. To the extent that we think in a static way, it is certainly not understandable. In such a manner, dynamics yields behavior quite different from statics. When we want to prepare an iron nitride, for example, one of the most orthodox ways is to put iron in a nitrogen atmosphere under pressures higher than the dissociation pressure of the iron nitride at temperatures sufficiently high to let the nitrogen penetrate into the bulk iron. This is the way thermodynamics tells us to proceed, which requires an elaborate, expensive high-pressure apparatus, sophisticated techniques, and great efforts. However, if we flow ammonia over the iron, even under low pressures, we can easily prepare the nitride-provided the hydrogen pressure is sufficiently low. Since the nitrogen desorption rate is the determining step of the ammonia decomposition on the iron surface, the virtual pressure of nitrogen at the surface can reach an extremely high level (as is generally accepted) because, in such a dynamic system, the driving force of the ammonia decomposition reaction pushes the nitrogen into the bulk iron to form the nitride. Thus, dynamics is an approach considerably different from statics. 376 pp. Englisch.

Seller Inventory # 9780306442681

Bibliographic Details

• Title: Dynamic Processes on Solid Surfaces
• Publisher: Springer US, Springer New York Sep 1993
• Publication Date: 1993
• Language: English
• ISBN 10: 030644268X
• ISBN 13: 9780306442681
• Binding: Buch
• Condition: Neu
• Dimensions: 235W x 157H x 25D millimeters 235 millimeters width by 157 millimeters height by 25 millimeters depth
• Weight: 697 grams

About this title

Synopsis

When we see a jumbo jet at the airport, we sometimes wonder how such a huge, heavy plane can fly high in the sky. To the extent that we think in a static way, it is certainly not understandable. In such a manner, dynamics yields behavior quite different from statics. When we want to prepare an iron nitride, for example, one of the most orthodox ways is to put iron in a nitrogen atmosphere under pressures higher than the dissociation pressure of the iron nitride at temperatures sufficiently high to let the nitrogen penetrate into the bulk iron. This is the way thermodynamics tells us to proceed, which requires an elaborate, expensive high-pressure apparatus, sophisticated techniques, and great efforts. However, if we flow ammonia over the iron, even under low pressures, we can easily prepare the nitride-provided the hydrogen pressure is sufficiently low. Since the nitrogen desorption rate is the determining step of the ammonia decomposition on the iron surface, the virtual pressure of nitrogen at the surface can reach an extremely high level (as is generally accepted) because, in such a dynamic system, the driving force of the ammonia decomposition reaction pushes the nitrogen into the bulk iron to form the nitride. Thus, dynamics is an approach considerably different from statics.

Synopsis

Contributing authors discuss the theory of atomic and electronic structure of surfaces, the theory of dynamical processes of surfaces, real-time monitoring of surface processes by a novel form of low-energy ion scattering, in-situ observation of surface processes by high-resolution UHV electron microscopy, catalysis by structural design surfaces, l