Emil Roduner

Nanoscopic Materials (eBook, PDF)

Size-Dependent Phenomena

• Format: PDF

Produktbeschreibung

Nanotechnology has been hailed as a key technology of the 21st century. The scope of this field is huge and could have a wide influence on many aspects of life. Nanoscience; the manipulation of matter at the atomic and molecular level, and nanomaterials; materials so small that their behaviour and characteristics deviate from those of macroscopic specimens and may be predicted by scaling laws or by quantum confinement effects, are discussed in Nanoscopic Materials: Size - Dependent Phenomena. The book focuses on a qualitative and quantitative approach discussing all areas of nanotechnology with particular emphasis on the underlying physico-chemical and physical principles of nanoscience. Topics include electronic structure, magnetic properties, thermodynamics of size dependence and catalysis. There is also a section discussing the future potential of the field and the ethical implications of nanotechnology. The book is ideal for graduate students of chemistry and materials science and researchers new to the field of nanoscience and nanotechnology.

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Produktdetails

• Verlag: RSC
• Seitenzahl: 298
• Erscheinungstermin: 31. Oktober 2007
• Englisch
• ISBN-13: 9781847557636
• Artikelnr.: 44767841

Inhaltsangabe

1: Introduction
1.1: Clusters and nanoparticles
1.2: Feynman's vision
2: Bulk and interface
2.1: Gradients near surfaces
2.2: The coordination number rules the game
2.3: Surface science, a source of information
for nanoscience 2.4: Particle size and microstrain
2.5: Biomimetics: nature as a source of inspiration for strategies in nanotechnology
3: Geometric structure, magic numbers, and coordination numbers of small clusters
3.1: The consequences of the range of the radial potential energy function
3.2: Magic numbers by geometric shells closing
3.3: Magic numbers by electronic shells closing
3.4: Cohesive energy and coordination number
4: Electronic structure
4.1: Discrete states versus band structure
4.2: The effects of dimensionality and symmetry in quantum structures
4.3: The nonmetal-to-metal transition
4.4: Work function, ionisation potential and electron affinity
4.5: Electronic structure of semiconductor and metal clusters
4.6: A semiconductor quantum dot electronic device
5: Magnetic properties
5.1: A brief primer on magnetism
5.2: The concept of frustration
5.3: Magnetic properties of small clusters
5.4: Ferromagnetic order in thin films and monoatomic chains
5.5: Finite size effects in magnetic resonance detection
6: Thermodynamics for finite size systems
6.1: Limitations of macroscopic thermodynamics
6.2: The basics of capillarity
6.3: Phase transitions of free liquid droplets
6.4: The Lotus effect
6.5: Classical nucleation theory
6.6: Shape control of nanocrystals
6.7: Size effects on ion conduction in solids
6.8: Principles of self-assembly
7: Adsorption, phase behaviour and dynamics of surface layers and in pores
7.1: Surface adsorption and pore condensation
7.2: Adsorption hysteresis and pore criticality
7.3: The melting point of pore-confined matter
7.4: Layering transitions
7.5: Liquid coexistence and ionic solutions in pores
7.6: The effect of pressure
7.7: Dynamics in pores
8: Phase transitions and dynamics of clusters
8.1: Melting point and melting enthalpy
8.2: Dynamics of metal clusters
9: Phase transitions of two-dimensional systems
9.1: Melting of thin layers
9.2: Structural phase transitions in thin layers
9.3: Glass transition of a polymer thin film
9.4: Surface alloy phases
10: Catalysis by metallic nanoparticles
10.1: Some general principles of catalysis by nanoparticles
10.2: Size-controlled catalytic clusters
10.3: Shape dependent catalytic activity
10.4: The effect of strain
10.5: The effect of alloying
10.6: Metal-support interaction
10.7: The influence of external bias voltage
11: Applications: facts and fictions
11.1: Nanomaterials
11.2: Nanotechnology
11.3: Hopes, hazards and hype