Quasicrystals : types, systems, and techniques /

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Otros Autores: Puckermann, Beth E. (Editor )
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York : Nova Science Publishers, Inc., [2011]
Colección:Materials science and technologies series.
Physics research and technology.
Temas:
Quasicrystals.
Quasicristaux.
SCIENCE > Physics > Condensed Matter.
Quasicrystals
Acceso en línea:Texto completo
Tabla de Contenidos:
  • QUASICRYSTALS: TYPES, SYSTEMS, AND TECHNIQUES
  • QUASICRYSTALS: TYPES, SYSTEMS, AND TECHNIQUES
  • Contents
  • Preface
  • Dominance of Magnetic Scattering in Al70Pd20+Xmn10-X (X = 0, 1 and 2), Al70Pd20Mn8(TM)2 (TM=Fe, Cr, Co and Ni) and Al70-Xbx Pd20Mn10 (X = 0, 0.5,1, 2 and 4) Stable Icosahedral Quasicrystals
  • Abstract
  • 1. Introduction
  • 1.1. Phase Diagram
  • 1.2. Magnetic Properties
  • 1.3. Electrical Conductivity
  • 2. Synthesis and Characterization Details
  • 3. Part I
  • 3.1. Results and Discussions
  • 3.1.1. Structural Characterization
  • 3.1.2. Magnetic Characterization3.1.3. Conductivity Vs. Temperature (( -T)
  • 3.1.3.1. ( -T Minimum
  • 3.1.3.2. ( -T Maximum
  • 3.1.3.3. Possible Origin of Observed ( -T Behavior
  • 3.1.4. Magneto-Resistance
  • 4. Part II
  • 4.1. Results and Discussion
  • 4.1.1. Structural Characterization
  • 4.1.2. Magnetic Characterization
  • 4.1.3. Conductivity Vs. Temperature
  • 4.1.3.1. (( -T) Minimum
  • 4.1.3.2. ( -T Maximum
  • 4.1.3.3. Possible Origin of ( -T Behavior
  • 4.1.4. Magneto-Resistance
  • 5. Part III
  • 5.1. Results and Discussion
  • 5.1.1. Structural Characterization5.1.2. Magnetic Characterization
  • 5.1.3. Conductivity Vs. Temperature
  • 5.1.4. Magneto-Resistance Measurement
  • Conclusions
  • Annexure I
  • References
  • Logarithmic Periodicity â€? Properties, Tests and Uncertainties
  • Abstract
  • 1. Introduction
  • 2. Model
  • 3. Properties
  • 3.1. Observations
  • 3.1.1
  • 3.1.2.
  • 3.1.3.
  • 3.1.4.
  • 3.1.5.
  • 3.1.6.
  • 3.2. Consequences
  • 3.2.1. Indexation
  • 3.2.2. The Compromise Spacing Effect
  • 3.2.3 Dimensions
  • 3.2.4. Enthalpy, the Driving Force
  • 3.2.5. Angular Filtering3.2.6. Double Diffraction
  • 3.2.7. Electronic States
  • 4. Evidence
  • 4.1. Simplicity, Symmetry, and Sharpness
  • 4.2. Ranking of Beam Intensities and Calculated â€?Structure Factorsâ€?
  • 4.2.1. Logarithmic Periodicity
  • 4.2.2. Double Diffraction in CBED
  • 4.2.3. Bragg Anomaly in the 2-Fold Pattern
  • 4.2.4. 2-Fold Pattern Orientation Anomaly
  • 4.3. Diffraction Due to Clusters
  • 4.4. HREM Images of Clusters and Superclusters
  • 4.4.1. â€?Structure Factorâ€? For The HREM Model Structure
  • 4.4.2. The 3-Fold Cluster Center in the 5-Fold Pattern5. Uncertainties
  • 5.1. Extension
  • 5.2. Defects
  • 5.2.1. The Aperiodic Cluster â€?Holeâ€?
  • 5.2.2. The â€?Holeâ€? in Supercluster Order 1
  • 5.2.3. The â€?Holeâ€? in Superclusters of Higher Order
  • 5.2.4. Glassy Structures
  • 5.3. Limitation to Binary Systems
  • 5.4. Quasicrystal Growth Mechanisms
  • Conclusion
  • Appendix 1. Quasi Bragg Diffraction
  • Appendix 2. Lemmas, Proofs and Corollaries
  • Reference
  • Vacancies in Quasicrystals
  • Abstract
  • 1. Introduction

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