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Nanostructured Materials and Nanotechnology Concise Edition

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ISBN-10: 0125139209

ISBN-13: 9780125139205

Edition: 2002

Authors: Hari Singh Nalwa

List price: $295.00
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Description:

This text fills the needs of scientists and students working in chemistry, physics, materials science, electrical engineering, polymer science, surface science, spectroscopy and biotechnology.
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Book details

List price: $295.00
Copyright year: 2002
Publisher: Elsevier Science & Technology
Publication date: 9/13/2001
Binding: Hardcover
Pages: 834
Size: 8.46" wide x 10.94" long x 1.50" tall
Weight: 4.708
Language: English

About the Editor
List of Contributors
Chemical Synthesis of Nanostructured Metals, Metal Alloys, and Semiconductors
Introduction
Synthesis of Nanostructured Materials
Physical Methods
Chemical Methods
Synthesis of Metals, Intermetallics, and Semiconductors
Chemical Synthesis of Metals
Synthesis of Intermetallics
Synthesis of Semiconductors
Conclusions
References
Nanocomposites Prepared by Sol-Gel Methods: Synthesis and Characterization
Introduction
Nanocomposites Containing Elemental Nanoparticulates
Group VI Metal Nanocomposites
Group VIII Metal Nanocomposites
Group IX Metal Nanocomposites
Group X Metal Nanocomposites
Group XI Metal Nanocomposites
Metal Alloy Nanocomposites
Group XIV Nanocomposites
Nanocomposites Containing Nanoparticulate Substances
Metal Carbide Nanocomposites
Metal Pnictide Nanocomposites
Metal Oxide Nanocomposites
Metal Chalcogenide (S, Se, or Te) Nanocomposites
Metal Halide Nanocomposites
Summary
Acknowledgments
References
Low-Temperature Compaction of Nanosize Powders
Introduction
Low-Temperature-High-Pressure Powder Compaction
Diamond Anvil Pressure Cell
High-Pressure Compaction with the Piston-Cylinder Device
Piston-Cylinder Die
Equipment Configuration
Computer Control and Software Development
Compaction and Lubricants
Compaction of Si[subscript 3]N[subscript 4] Powder
Compaction of [gamma]-Al[subscript 2]O[subscript 3] Powder
Nanosize [gamma]-Al[subscript 2]O[subscript 3] Powder Processing
Compaction Equations for Powders
Conclusions
References
Semiconductor Nanoparticles
Introduction
Preparation and Characterization
Size Control
Crystalline Phase Control
Size Quantization Effects
Nonlinear Optical Properties
Emission Characteristics
Trapping of Charge Carriers
Interfacial Charge Transfer Processes in Colloidal Semiconductor Systems
Reductive Process
Oxidative Process
Kinetics of Interfacial Electron Transfer
Photocatalytic Applications
Organic Synthesis
Fixation of Carbon Dioxide into Organic Compounds
Reduction of Nitrogen
Decomposition of Nitrogen Oxides and Their Anions
Photocatalytic Degradation of Organic Contaminants
Surface Modification of Semiconductor Colloids
Deposition of Metals on Semiconductors
Capping with Organic and Inorganic Molecules
Surface Modification with Sensitizing Dyes
Ultrafast Charge Injection into Semiconductor Nanocrystallites
Designing Multicomponent Semiconductor Systems
Ordered Nanostructures using Semiconductor Nanocrystallites and Their Functionality
Preparation and Characterization of Nanostructured Semiconductor Films
Electron Storage and Photo- and Electrochromic Effects
As a Photosensitive Electrode
Sensitization of Large-Band-Gap Semiconductors
Single-Electron Tunneling Devices
Concluding Remarks
Acknowledgments
References
Colloidal Quantum Dots of III-V Semiconductors
Introduction
Synthesis of Colloidal Quantum Dots
Synthesis of Colloidal InP Quantum Dots
Etching of Colloidal InP Quantum Dots with HF
Synthesis of Colloidal GaP Quantum Dots
Synthesis of Colloidal GaInP[subscript 2] Quantum Dots
Properties of III-V Quantum Dots
InP Quantum Dots
GaP Quantum Dots
GaInP[subscript 2] Quantum Dots
GaAs Quantum Dots
Summary
Acknowledgment
References
Strained-Layer Heteroepitaxy to Fabricate Self-Assembled Semiconductor Islands
Introduction
Trends in Semiconductor Nanostructures: Smaller in All Dimensions
Processing: The Good and the Bad
An Alternative: Self-Assembled Structures
Outline of the Chapter
Basics of Heteroepitaxy
Fundamental Processes during Epitaxy
Heteroepitaxial Growth Models
Common Experimental Techniques
Synthesis Techniques
Characterization Techniques
Two-Dimensional Growth and Island Formation Before Transition to Three-Dimensional Growth
Initial Stages of the Two-Dimensional Layer Formation
Transition from the Two-Dimensional Layer to Three-Dimensional Islands
Effects of Surface Reconstruction
Effects of Surface Orientation
Three-Dimensional Islands
Early Work
Strain Relief from the Islands
Different Types of Islands
Impact of Deposition Conditions
Impact of Surface Orientation
Controlling the Location of Self-Assembled Islands
Physical Properties and Applications of Self-Assembled Islands
Physical Properties: Some Examples
Self-Assembled Islands in Devices
Use of Islands to Make Other Nanostructures
Summary
Acknowledgment
References
Hybrid Magnetic-Semiconductor Nanostructures
Introduction
Electrons in Microscopically Inhomogeneous Magnetic Fields
Magnetic Field Profiles
One-Dimensional Profiles
Periodic Structures
Quantum Motion in Nonhomogeneous Magnetic Fields
Magnetic Step
Magnetic Barrier
Magnetic Quantum Well
Resonant Tunneling Structures
Magnetic Dot
Diffusive Transport of Electrons through Magnetic Barriers
Theoretical Formalism
Single Magnetic Barrier
Magnetic Barriers in Series
One-Dimensional Magnetic Modulation
Weak Magnetic Modulation
Electric and Magnetic Modulations
Magnetic Minibands
Two-Dimensional Magnetic Modulation
Periodic Two-Dimensional Modulation
A Random Array of Identical Magnetic Disks
Random Magnetic Fields
Hall Effect Devices
Ballistic Hall Magnetometry
Hall Magnetometry in the Diffusive Regime
Hybrid Hall Effect Device
Nonpolarized Current Injection from Semiconductor into Ferromagnets
Spin Injection Ferromagnetic/Semiconductor Structures
Spin-Polarized Electronic Current from Ferromagnets
Optical Detection of Spin-Polarized Tunnel Current
Spin-Polarized Electronic (Tunnel) Current from Optically Pumped Semiconductors
Spin-Polarized Current from Magnetic Contacts to Semiconductors
Ferromagnetic/Semiconductor Experimental Structures
The Need for Epitaxy
General Metal Epitaxy Criteria
Elemental Ferromagnetic Metal Epitaxy on Semiconductors
Magnetic and Electrical Properties of Ferromagnets at the Ferromagnetic/Semiconductor Interfaces
Properties of Managanese-Based Epitaxial Magnetic Layers on III-V Semiconductors
Semiconductor/Ferromagnetic/Semiconductor Multilayers
Nanoscale Magnets
Introduction
Self-Organized Magnetic Nanostructures in Semiconductor Thin Films
Experimental Conditions for Thin Films with Nanoclusters by Molecular Beam Epitaxy + Annealing
Superlattices of Nanoscale Magnet Layers and Semiconductors
Engineering Aspects of Superlattices of Nanoscale Magnet Layers and Semiconductors
Structural and Magnetic Properties of the Superlattices
Current Perpendicular to the Plane Magnetotransport
Conclusions
Acknowledgments
References
Carbon Nanotubes
Introduction
Structure
Growth
Synthesis of Nanotubes
Purification of Nanotubes
Growth Mechanisms
Nanotube Properties
Electronic Properties
Mechanical Properties
Other Properties
Nanotube Templates
Applications of Nanotubes
Nanotubes Made from Noncarbon Materials
Conclusions
Acknowledgments
References
Encapsulation and Crystallization Behavior of Materials Inside Carbon Nanotubes
Introduction
Methods of Opening, Filling, and Purifying Multiple- and Single-Walled Carbon Nanotubes
Preparation of Multiple-Walled Carbon Nanotubes and Removal of Extraneous Carbon Material
Opening and Decarboxylation of Multiple-Walled Carbon Nanotubes
Techniques for Filling Multiple-Walled Carbon Nanotubes and Some Reactions of the Included Materials
Chemical Methods for Filling Multiple-Walled Carbon Nanotubes
Filling Multiple-Walled Carbon Nanotubes with Molten Media
Arc and Catalytic Methods for Filling Multiple-Walled Carbon Nanotubes
Chemical Reactions inside Multiple-Walled Carbon Nanotubes
Purification of Multiple-Walled Carbon Nanotubes from External Material Following Encapsulation
Synthesis, Purification and Filling of Single-Walled Carbon Nanotubes
Methods for Preparing Purified Samples of Single-Walled Carbon Nanotubes
Filling of Single-Walled Carbon Nanotubes with Ruthenium Metal
Crystallization Behavior inside Multiple- and Single-Walled Carbon Nanotubes
Control over Crystallite Morphology and Orientation in Multiple- and Single-Walled Carbon Nanotubes
Spiraling Crystal Growth inside Multiple-Walled Carbon Nanotubes
Crystallization Observed in Catalytically Formed Multiple-Walled Carbon Nanotubes
Relationship between Graphene Wall Periodicity and Crystallization inside Multiple- and Single-Walled Carbon Nanotubes
Concluding Remarks
Acknowledgments
References
Silicon-Based Nanostructures
Introduction
Optical Properties of Silicon and Related Materials
General Remarks
Group IV Heterostructures: Electronic Zone Folding
The Direct-Gap Material FeSi[subscript 2] as a Silicon-Based Light Emitter
Erbium-Doped Silicon Light Emitters
Quantum Confinement
Two-, One-, and Zero-Dimensional Confinement
Si-SiGe Quantum Wells
Porous Silicon
Postgrowth Nanofabrication by Lithography and Etching
Self-Organized Growth
Selective Epitaxial Growth
V-Groove Growth
Local Growth of Dots and Wires through Shadow Masks
Silicon Nanocrystallites
Si/III-V Light-Emitting Nanotips
Single-Electron Electronics
Tips for Atomic Force Microscopy and Field Emission
Conclusions
Acknowledgments
References
Electronic Transport Properties of Quantum Dots
Introduction
Fabricated Quantum Dots: Vertical and Horizontal Systems
Impurity Dot System: Coulomb Potential Confinement
Theory
Energy States of a Fabricated Quantum Dot
Energy States of the Impurity Dot
Current-Voltage Characteristics of Vertical Dot: Fabricated and Impurity Systems
Sample Growth and Fabrication
Experimental Results
Current-Voltage Characteristics
Variable-Temperature Measurements
Magnetotunneling Measurements: Diamagnetic Shifts and Current Suppression
Magnetotunneling Measurements: Fine Structure
Magnetotunneling Measurements: Spin Splitting and g Factor
Magnetotunneling Measurements: Electron Tunneling Rates
Conclusions
Acknowledgments
References
Photorefractive Semiconductor Nanostructures
Overview
Photorefractive Quantum-Well Structures
Molecular Beam Epitaxy Growth of Epilayers, Heterostructures, and Quantum Wells
Defect Engineering
Photorefractive Quantum-Well Geometries
Electronic Transport and Grating Formation
Dielectric Relaxation Time
The Two-Band One-Defect Model
Optical Properties of Photorefractive Multiple Quantum Wells
Quantum-Confined Excitons
Excitons in an Electric Field: Electroabsorption
Kramers-Kronig Relation
Diffraction
Raman-Nath Diffraction
Nondegenerate Four-Wave Mixing
Two-Wave Mixing
Photorefractive Effects and Applications
Dynamics of the Stark Geometry
Asymmetric Fabry-Perot and Microcavity Effects
Novel Bandgap Engineering
Applications of Photorefractive Quantum Wells in Ultrafast (Femtosecond) Optical Communications and Image Processing
Acknowledgments
References
Linear and Nonlinear Optical Spectroscopy of Semiconductor Nanocrystals
Introduction
Energy States and Optical Transitions in Semiconductor Nanocrystals: Theoretical Models
Parabolic-Band Model
Effects of Valence-Band Mixing
Coulomb Effects
Effects of the Finite Potential Barrier and Nonparabolicity of the Conduction Band
Experimental Studies of Energy Structures in Semiconductor Nanocrystals
Energy Gap in Semiconductor Nanocrystals
Observations of Electron Quantized States
Studies of Hole Energy Structures
Fine Structure of the Lowest Exciton State
Effects of Electron-Phonon Interactions on the Optical Spectra of Semiconductor Nanocrystals
The Model of a Displaced Oscillator
Electron-Optical Phonon Interactions
Electron-Acoustic Phonon Interactions
Band-Edge Optical Nonlinearities in Semiconductor Nanocrystals
State-Filling and Optical Nonlinearities
Coulomb Interactions and Optical Nonlinearities
Third-Order Nonlinear Susceptibility
Optical Nonlinearities in Direct- and Indirect-Gap Semiconductor Nanocrystals
Carrier Dynamics in Semiconductor Nanocrystals
Intraband Energy Relaxation Dynamics
Carrier Recombination and Trapping Dynamics
Auger Recombination in Semiconductor Nanocrystals
Conclusions and Prospects
Acknowledgments
References
Molecular and Supramolecular Nanomachines
Introduction
Conventional Molecular Systems
Conformational Change
Configurational Change
Constitutional Change
Supramolecular Systems
Crown Ethers
Fluorescent Signaling Systems
Redox Switches by Ligand Exchange
Translocation in Helical Complexes
Photoswitchable Complexation of Metalloporphyrins
Dendritic Boxes: Ships in a Bottle
Complexation/Decomplexation of Pseudorotaxanes
Logic Gates
Interlocked Molecular Systems
Switching Properties in Catenanes
An Electrochemically Controlled Self-Complexing Macrocycle
Rotaxanes: From Molecular Shuttles to Molecular Switches
Conclusions and Reflections
References
Functional Nanostructures Incorporating Responsive Modules
Introduction
Functional Molecular Structures: General Definition
Scope and Context of Review
Rotaxanes and Catenanes: Nomenclature and General Synthetic Methods
Learning from Nature: Bioactive Modules
Light-Harvesting Antenna
Light-Activated Biological Switches
Overview
Artificial Systems: Applications and Examples
Artificial Molecular Systems Based on Rotaxanes, Catenanes, and Cyclophanes
Photosynthetic Reaction Center Mimics
Overview
Miscellaneous Examples
Ion Expulsion from Crown-Based Assemblies
Molecular Capture by Conformational Switching
Structural Modification by Ion Binding
Concluding Remarks
Acknowledgments
References
Structure, Behavior, and Manipulation of Nanoscale Biological Assemblies
Biological Molecules as Nanostructured Materials
Scanning Probe Microscopy of Nanoscale Biological Assemblies
Scanning Probe Microscopy
Scanning Probe Microscopy of Supported Biological Membranes
DNA Imaging
Scanning Probe Microscopy of Nucleoprotein Complexes
Protein-Phospholipid Structures
Protein-Lipid Complexes
Morphology and Function of Native Membranes
Protein-Lipid Interactions
Nonnative Interactions
Reconstitution of Integral Membrane Proteins
Practical Applications of Protein-Lipid Complexes
Surface-Immobilized Protein Nanostructures
Oriented Protein Arrays
Azimuthal Orientation
Surface Patterning
Three-Dimensional Protein Nanostructures: Protein Whiskers
Additional Factors Affecting Nanostructure Architecture
Characterization of Surface-Immobilized Nanostructures
Future Directions
Acknowledgments
References
Index