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Book 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.

Book details

Book category Books in English Mathematics & science Chemistry Inorganic chemistry

• Full title: Dynamic Processes on Solid Surfaces
• Author: Kenzi Tamaru
• Language: English
• Binding: Paperback
• Number of pages: 357
• EAN: 9781489916389
• ISBN: 1489916385
• ID: 02717113
• Publisher: Springer-Verlag New York Inc.
• Weight: 575 g
• Dimensions: 235 × 155 × 21 mm
• Date of publishing: 30. May 2013

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