Hugo F. Franzen

Second-Order Phase Transitions and the Irreducible Representation of Space Groups (eBook, PDF)

• Format: PDF

Produktbeschreibung

The lecture notes presented in this volume were developed over a period of time that originated with the investigation of a research problem, the distortion from NiAs-type to MnP-type, the group-theoretical implications of which were investigated in collaboration with Professors F. Jellinek and C. Haas of the Laboratory for Inorganic Chemistry at the University of Groningen during the 1973-1974 year. This distortion provides the major example that is worked through in the notes. The subject matter of the notes has been incorporated in part in the lectures of a course in Solid State Chemistry taught several times at Iowa State University, and formed the basis of a series of lectures presented at the Max-Planck Institute for Solid State Research in Stuttgart during 1981- 19821 and as part of a Solid State Chemistry course taught during the spring of 1982 at Arizona State University in Tempe. I wish here to express my gratitude to the Max-Planck Institute for Solid State Research and to Arizona State University for the opportunity and support they provided during the time I was developing and writing the lecture notes of this volume. I wish also to thank the many colleagues and students who have offered comments and suggestions that have improved the accuracy and readability of the notes, and who have provided stimulation through discussion of the ideas presented here. am especially indebted to Professors C. Haas and F.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 104
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9783642489471
• Artikelnr.: 53105725

Inhaltsangabe

Space Lattice Symmetry.- Translational Periodicity.- Proper Rotational Symmetry.- Symmetries of Plane Lattices.- Space Lattices.- Space Group Symmetry.- Proper and Improper Rotations.- Combination of Rotations and Translations.- Screw Axes and Glide Planes.- Combination of Symmetry Operations.- Reciprocal Space and Irreducible Representations of Space Groups.- Reciprocal Lattice.- Reciprocal Space.- Irreducible Representations of Space Groups.- Second-Order Phase Transitions.- Thermodynamics of Second-Order Phase Transitions.- Landau Theory (without symmetry).- Landau Theory, with Consideration of Symmetry, Applied to the NiAs-type to MnP-type Phase Transition.- General Development of the Landau Theory with Consideration of Symmetry.- Landau's 4th Condition.- Another Example of the Application of Landau Theory: $$ Fm3m - R\bar{3}m $$ Order-Disorder Transition in Sc1?xS.- Application of Landau Theory to a Transition to a Structure with a Mixed Order-Disorder and Distorted Structure.