Disorder and Order in Strongly Nonstoichiometric Compounds

Transition Metal Carbides, Nitrides and Oxides
2001
ISBN: 978-3-540-41817-7
Verlag: Springer Berlin Heidelberg

Buch, Englisch, 608 Seiten, Format (B × H): 160 mm x 241 mm, Gewicht: 1098 g

Reihe: Springer Series in Materials Science

long to understand that the phenomena associated with the redistribution of interstitial atoms and structural vacancies in non stoichiometric compounds represent an excellent model of analogous phenomena arising in solid-state systems with mutual substitution of components. Therefore methods of analysis and description proposed and developed for nonstoichiometric compounds are applicable to a number of systems with substitutional disorder. In 1980, when we embarked on this work, ordering in nonstoichiometric compounds was assumed to be a rare and accidental effect, which hardly deserved close attention. Now many people understand that ordering represents a general regular phenomenon in all non stoichiometric compounds. Ordering effects, which were not even mentioned, or were referred to as something insignificant and negligible just 20 years ago, proved to be numerous and comparable in magnitude with the change of properties in the whole homogeneity interval of non stoichiometric compounds. Phase diagrams of binary systems of transition metals with carbon and nitrogen, which remained unchanged from the time they were plotted in 1950-60s and containing one or two nonstoichiometric compounds, were enriched with many ordered phases. Unfortunately, the accumulated experimental and theoretical knowledge has not so far been disseminated widely.

Zielgruppe

Research

Autoren/Hrsg.

Gusev, A. I.

Magerl, A. J.

Rempel, A.A.

Fachgebiete

• Technische Wissenschaften Maschinenbau | Werkstoffkunde Technische Mechanik | Werkstoffkunde Materialwissenschaft: Verbundwerkstoffe
• Naturwissenschaften Physik Physik Allgemein Theoretische Physik, Mathematische Physik, Computerphysik
• Technische Wissenschaften Maschinenbau | Werkstoffkunde Technische Mechanik | Werkstoffkunde Werkstoffkunde, Materialwissenschaft: Forschungsmethoden
• Naturwissenschaften Physik Thermodynamik Festkörperphysik, Kondensierte Materie

Inhaltsverzeichnis

1 Introduction.- 2 Crystal Symmetry.- 3 Strongly Nonstoichiometric Compounds.- 4 Short-Range Order.- 5 Long-Range Order.- 6 Interrelation of Short- and Long-Range Orders.- 7 Nonstoichiometric Nitrides at High Temperature.- 8 Order—Disorder Phase Transformation Theories.- 9 Order-Parameter Functional Method.- 10 Equilibrium Phase Diagrams.- 11 Effects of Ordering on the Properties of Strongly Nonstoichiometric Compounds.