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Scanning Probe Microscopy in Nanoscience and Nanotechnology |
4 |
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Part I Scanning Probe Microscopy Techniques |
32 |
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1 Dynamic Force Microscopy and Spectroscopy Using the Frequency-Modulation Technique in Air and Liquids |
33 |
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1.1 Introduction |
33 |
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1.2 Basic Principles of the FM Technique |
34 |
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1.2.1 The Equation of Motion |
34 |
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1.2.2 Oscillation Behavior of a Self-Driven Cantilever |
36 |
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1.2.3 Theory of FM Mode Including Tip–Sample Forces |
37 |
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1.2.4 Measuring the Tip–Sample Interaction Force |
39 |
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1.2.5 Experimental Comparison of the FM Mode with the Conventional Amplitude-Modulation-mode in Air |
41 |
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1.3 Mapping of the Tip–Sample Interactions on DPPC Monolayers in Ambient Conditions |
42 |
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1.4 Force Spectroscopy of Single Dextran Monomers in Liquid |
45 |
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1.5 Summary |
48 |
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Acknowledgements |
49 |
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References |
49 |
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2 Photonic Force Microscopy: From Femtonewton Force Sensing to Ultra-Sensitive Spectroscopy |
52 |
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2.1 Introduction |
53 |
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2.2 Principles of Optical Trapping |
53 |
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2.2.1 Theoretical Background |
53 |
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2.3 Experimental Implementation |
58 |
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2.3.1 Optical Tweezers Set-up |
58 |
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2.3.2 Brownian Motion and Force Sensing |
60 |
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2.3.3 Optical Trapping of Linear Nanostructures |
62 |
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2.4 Photonic Force Microscopy |
68 |
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2.4.1 Bio-Nano-Imaging |
68 |
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2.4.2 Bio-Force Sensing at the Nanoscale |
71 |
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2.5 Raman Tweezers |
74 |
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2.5.1 The Raman Effect |
74 |
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2.5.2 Experimental Configuration |
75 |
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2.5.3 Applications |
77 |
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2.6 Conclusions |
82 |
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References |
82 |
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3 Polarization-Sensitive Tip-Enhanced Raman Scattering |
86 |
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3.1 Introduction |
86 |
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3.2 Tip-Enhanced Raman Spectroscopy |
87 |
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3.2.1 Concept and Advantages |
87 |
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3.2.2 Experimental Implementations of TERS with Side Illumination Optics |
89 |
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3.2.3 Probes for Tip-Enhanced Raman Spectroscopy |
90 |
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3.3 Polarized Raman Scattering from Cubic Crystals |
93 |
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3.3.1 Model for Backscattering Raman Emission in c-Silicon |
93 |
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3.3.2 Selection Rules |
96 |
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3.4 Tip-Enhanced Field Modeling |
96 |
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3.4.1 Phenomenological Model |
96 |
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3.4.2 Numerical Models and Results |
99 |
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3.5 Depolarization of Light Scattered by Metallic Tips |
102 |
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3.6 Polarized Tip-Enhanced Raman Spectroscopy of Silicon Crystals |
104 |
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3.6.1 Background Suppression |
104 |
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3.6.2 Selective Enhancement of the Raman Modes Induced by Depolarization |
109 |
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3.6.3 Evaluation of the Field Enhancement Factor |
113 |
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3.7 Conclusions |
114 |
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References |
115 |
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4 Electrostatic Force Microscopy and Kelvin Force Microscopy as a Probe of the Electrostatic and Electronic Properties of Carbon Nanotubes |
118 |
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4.1 Introduction |
118 |
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4.2 Electrostatic Measurements at the Nanometer Scale |
119 |
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4.2.1 Electrostatic Force Microscopy |
119 |
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Principle |
119 |
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Phase Shifts Versus Frequency Shifts |
120 |
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Capacitive Versus Charge EFM Signals |
121 |
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Modulated (1/2) EFM/FM-KFM |
122 |
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4.2.2 Kelvin Force Microscopy |
122 |
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Principle of Amplitude Modulation Kelvin Force Microscopy |
122 |
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Open-Loop KFM or ac-EFM |
123 |
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4.2.3 Lateral Resolution in EFM and KFM |
123 |
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Side Capacitance Effects |
123 |
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Carbon Nanotube Tip Probes |
125 |
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4.3 Electrostatic Imaging of Carbon Nanotubes |
126 |
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4.3.1 Capacitive Imaging of Carbon Nanotubes in Insulating Layers |
127 |
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4.3.2 EFM Imaging of Carbon Nanotubes and DNA |
129 |
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4.3.3 Imaging of Native Charges in Carbon Nanotube Loops |
131 |
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4.4 Charge Injection Experiments in Carbon Nanotubes |
132 |
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4.4.1 Charge Injection and Detection Techniques |
132 |
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4.4.2 Experimental Illustration of EFM Signals |
133 |
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Abrupt Discharging Processes in Carbon Nanotubes |
135 |
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Charge Emission to the Oxide |
137 |
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Continuous Discharge Processes |
138 |
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Nanotube Charge Versus Oxide Charge |
139 |
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4.4.3 Inner-Shell Charging of CNTs |
141 |
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4.4.4 Electrostatic Interactions in SWCNTs |
144 |
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4.5 Probing the Band Structure of Nanotubes on Insulators |
145 |
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4.5.1 Imaging the Semiconductor/Metal Character of Carbon Nanotubes |
145 |
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4.5.2 Imaging the Density of States of Carbon Nanotubes |
147 |
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4.6 KFM Studies of Nanotube Devices |
148 |
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4.6.1 Charge Transfers at Nanotube–Metal Interfaces |
148 |
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4.6.2 Diffusive and Ballistic Transport in Carbon Nanotubes |
150 |
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4.6.3 Kelvin Force Microscopy of CNTFETs |
150 |
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Backgate Operation of CNTFETs |
150 |
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KFM Determination of the lever arm of a CNTFET |
151 |
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Hysteretic Behavior of CNTFETs and Surface Charges |
153 |
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4.7 Conclusion |
154 |
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Acknowledgement |
155 |
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References |
155 |
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5 Carbon Nanotube Atomic Force Microscopywith Applications to Biology and Electronics |
158 |
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5.1 Carbon Nanotube Introduction |
158 |
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5.2 Carbon Nanotube Synthesis |
163 |
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5.3 Fabrication of Carbon Nanotube Atomic Force Microscopy Probes |
164 |
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5.3.1 Fabrication of Carbon Nanotube Atomic Force Microscopy Probes by Gluing |
164 |
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5.3.2 Mechanical Attachment in Scanning Electron Microscopy |
164 |
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5.3.3 Fabrication of Carbon Nanotube Atomic Force Microscopy Probes by In Situ Pick-Up |
166 |
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5.3.4 Miscellaneous Methods for Post-Growth Attachment of Carbon Nanotube to Atomic Force Microscopy Tips |
166 |
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5.3.5 Metal Catalyst-Assisted Direct-Growth of Carbon Nanotube Atomic Force Microscopy Probes |
166 |
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5.3.6 Post-Growth Attachment is Currently the Most Optimal Fabrication Process |
168 |
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5.4 Characteristics and Characterization of Carbon Nanotube Atomic Force Microscopy Tips |
170 |
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5.5 Applications of Carbon Nanotube Scanning Probe Microscopy |
177 |
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5.5.1 Functionalization of Carbon Nanotube Tips for Chemical Force Microscopy |
177 |
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5.5.2 Carbon Nanotube Friction Force Microscopy |
181 |
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5.5.3 Carbon Nanotube Electric Force Microscopy |
181 |
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5.5.4 Carbon Nanotube Scanning Tunneling Microscopy |
183 |
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5.5.5 Carbon Nanotube Magnetic Force Microscopy |
184 |
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5.5.6 Carbon Nanotube Scanning Near-Field Optical Microscopy |
187 |
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5.5.7 Biological Applications of Carbon Nanotube Atomic Force Microscopy |
188 |
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References |
194 |
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6 Novel Strategies to Probe the Fluid Properties and Revealing its Hidden Elasticity |
198 |
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6.1 Introduction |
199 |
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6.2 Basic Theoretical Considerations: Conciliating Simple Liquid Approach to the Viscoelasticity Theory? |
201 |
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6.2.1 Simple Liquid Description |
201 |
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6.2.2 The Viscoelastic Approach |
202 |
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6.3 Conventional Procedure to Determine the Dynamic Properties of Fluids |
203 |
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6.3.1 Linear Rheology |
203 |
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6.3.2 Non-Linear Rheology |
205 |
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6.4 Unpredicted Phenomena and Unsolved Questions: Flow Instabilities, Non-Linearities, Shear Induced Transitions, Extra-Long Relaxation Times, Elasticity in the Liquid State |
206 |
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6.5 From Macro to Micro and Nanofluidics |
210 |
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6.6 Analysis of the Viscoelasticity Scanning Method |
212 |
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6.7 The Question of the Boundary Conditions: Surface Effects, Wetting, and Slippage |
215 |
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6.8 Novel Description of Conventional Fluids: from Viscous Liquids, Glass Formers to Entangled Polymers. Experiments in Narrow Gap Geometry: Extracting the Shear Elasticity in Viscous Fluids |
216 |
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6.9 Tribology Meets Rheology. Novel Methods for the Determination of Bulk Dynamic Properties of a Soft Solid or a Fluidic Material |
217 |
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6.10 Elasticity and Dimensionality in Fluids |
221 |
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6.11 General Summary and Perspectives |
221 |
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References |
223 |
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7 Combining Atomic Force Microscopy and Depth-Sensing Instruments for the Nanometer-Scale Mechanical Characterization of Soft Matter |
227 |
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7.1 Introduction |
227 |
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7.2 Determining Elastic Modulus of Compliant Materials from Nanoindentations |
229 |
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7.3 Determining Elastic Modulus of Compliant Materials from Nanoindentations |
234 |
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7.4 Modulus Estimate of a Challenging Set of Samples |
239 |
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References |
248 |
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8 Static and Dynamic Structural Modeling Analysis of Atomic Force Microscope |
252 |
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8.1 Introduction |
253 |
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8.2 Working Principle and Modes |
254 |
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8.3 Statics of Atomic Force Microscope Cantilever: Effective Stiffness Approach |
257 |
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8.4 Electrostatic, Surface and Residual Stress Influence on the Atomic Force Microscope Initial Deflection |
261 |
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8.5 Modeling Tip–Sample Contact |
264 |
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8.6 Non-Contact Atomic Force Microscope Dynamics: Damping and Influence of Tip–Surface Interaction |
269 |
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8.7 Dynamics of Intermittent Contact |
275 |
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8.8 Summary |
279 |
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Acknowledgement |
280 |
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References |
280 |
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9 Experimental Methods for the Calibration of Lateral Forces in Atomic Force Microscopy |
285 |
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9.1 Introduction |
286 |
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9.2 Basic Definitions and Relationships |
290 |
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9.2.1 The Calibration Constants Involved in a Lateral Force Measurement |
290 |
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9.2.2 Basic Relationships Involving the Calibration Constants |
292 |
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9.2.3 The Lateral and the Normal Spring Constant of a Rectangular CL |
294 |
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9.2.4 The Case of In-Plane Deformations |
296 |
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9.3 Calibration of the Lateral Sensitivity of the PSD |
297 |
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9.3.1 Available Methods |
297 |
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Mirrored Substrate Method |
297 |
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Geometrical Optics Method |
299 |
|
|
Lateral FDC Method |
300 |
|
|
Scanning Across a Vertical Step |
301 |
|
|
9.3.2 Optical Crosstalk |
301 |
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|
9.4 Methods Relying on a Scanning Motion |
303 |
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|
9.4.1 The Wedge Method |
303 |
|
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9.4.2 Methods Involving the Normal Spring Constant |
309 |
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9.5 Methods Relying on a Force Balance upon Contact with a Rigid Structure |
310 |
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|
9.5.1 Normal Loading upon Contact with a Sloped Substrate |
310 |
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|
9.5.2 Normal Loading with the Contact Point off the CL Long Axis |
312 |
|
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9.5.3 Lateral Loading of a Horizontal Surface |
314 |
|
|
9.5.4 Lateral Loading of a Vertical Surface |
316 |
|
|
9.5.5 Mechanical Crosstalk |
316 |
|
|
Considering the Effect of an Offset in the Tip Position |
317 |
|
|
Considering the Effect of an Offset in the Position of the Shear Centre |
318 |
|
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Eliminating the Mechanical Crosstalk Effect by Novel Design Concepts |
320 |
|
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9.6 Methods Relying on a Force Balance Upon Contact with a Compliant Structure |
320 |
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9.6.1 The Case of a Vertical Reference Beam |
320 |
|
|
9.6.2 The Case of a Horizontal Reference Beam |
324 |
|
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9.6.3 The Case of a Mechanically Suspended Platform |
325 |
|
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9.6.4 The Case of a Magnetically Suspended Platform |
328 |
|
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9.7 Methods Relying on Torsional Resonancesof the CL |
330 |
|
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9.8 Discussion |
332 |
|
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9.9 Concluding Remarks |
344 |
|
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References |
345 |
|
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Part II Characterization |
348 |
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|
10 Simultaneous Topography and Recognition Imaging |
349 |
|
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10.1 Introduction |
350 |
|
|
10.2 AFM Tip Chemistry |
352 |
|
|
10.3 Operating Principles of TREC |
355 |
|
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10.3.1 Half-Amplitude Versus Full-Amplitude Feedback |
358 |
|
|
10.3.2 Adjusting the Amplitude |
361 |
|
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10.3.3 Adjusting the Driving Frequency |
364 |
|
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10.3.4 Proofing the Specificity of the Detected Interactions |
366 |
|
|
Specificity Proof by Competitive Inhibition |
366 |
|
|
Specificity Proof by Amplitude Variation |
368 |
|
|
10.4 Applications of TREC: Single Proteins, Membranes,and Cells |
368 |
|
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10.4.1 Antibiotin Antibodies Adsorbed to an Organic Semiconductor |
368 |
|
|
10.4.2 Bacterial S-Layer Lattices |
370 |
|
|
10.4.3 RBC Membranes |
373 |
|
|
10.4.4 Cells |
375 |
|
|
10.5 Conclusion |
381 |
|
|
References |
381 |
|
|
11 Structural and Mechanical Mechanisms of Ocular Tissues Probed by AFM |
387 |
|
|
11.1 Introduction |
387 |
|
|
11.2 Atomic Force Microscopy |
388 |
|
|
11.2.1 Principle of Operation |
388 |
|
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Overview |
388 |
|
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Imaging Mode |
390 |
|
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Force Mode |
390 |
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Force Mapping Mode |
391 |
|
|
11.2.2 Instrumentation |
391 |
|
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11.2.3 Mechanical Measurements |
392 |
|
|
11.3 Atomic Force Microscopy in Ophthalmology |
394 |
|
|
11.3.1 Cornea |
394 |
|
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Structure |
394 |
|
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Corneal Refractive Surgery |
398 |
|
|
Corneal Transplant Surgery |
398 |
|
|
11.3.2 Contact Lenses |
398 |
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Surface Characterization |
398 |
|
|
Biomechanical Properties |
400 |
|
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11.3.3 Lens |
400 |
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Structure |
400 |
|
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Mechanics |
402 |
|
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Artificial Lenses |
403 |
|
|
11.3.4 Retinal Tissue |
405 |
|
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Structure |
405 |
|
|
Mechanical Properties |
406 |
|
|
11.4 Summary and Conclusions |
407 |
|
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References |
407 |
|
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12 Force-Extension and Force-Clamp AFM Spectroscopies in Investigating Mechanochemical Reactions and Mechanical Properties of Single Biomolecules |
418 |
|
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12.1 Introduction |
419 |
|
|
12.2 Experimental Techniques for Measuring Displacements and Forces at the Single Molecule Level |
420 |
|
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12.2.1 Centroid Tracking |
420 |
|
|
12.2.2 Fluorescence Resonance Energy Transfer |
421 |
|
|
12.2.3 Magnetic Tweezers |
422 |
|
|
12.2.4 Optical Traps |
422 |
|
|
12.2.5 Single Molecule AFM Force Spectroscopy |
424 |
|
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12.3 Displacement and Force as Control Parameters in Small Systems |
425 |
|
|
12.3.1 Displacement Sensitivity and Resolution |
425 |
|
|
12.3.2 Force Sensitivity and Resolution |
427 |
|
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12.4 AFM Force Spectroscopy with a Few Piconewton Sensitivity and at a Single Molecule Level |
427 |
|
|
12.4.1 Fingerprinting the Biomolecules |
428 |
|
|
12.4.2 Optimizing the AFM System |
428 |
|
|
12.5 FX-AFM Probes Mechanical Stability of Proteins and Polysaccharides |
429 |
|
|
12.5.1 Details of the FX Trace |
429 |
|
|
12.5.2 What can be Inferred from the FX Trace? |
430 |
|
|
12.5.3 Applications of FX Force Spectroscopy |
431 |
|
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12.6 FC-AFM Probes the Details of Protein (Un)folding and Force-Induced Disulfide Reductions in Proteins |
432 |
|
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12.6.1 Details of the FC Trace |
432 |
|
|
12.6.2 What can be Inferred from the FC Trace? |
433 |
|
|
12.6.3 Applications of the FC Spectroscopy |
435 |
|
|
12.7 Some Shortcomings of the FX/FC-AFM Spectroscopies |
436 |
|
|
References |
437 |
|
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13 Multilevel Experimental and Modelling Techniques for Bioartificial Scaffolds and Matrices |
447 |
|
|
13.1 Scaffolds for Tissue-Engineering Applications |
448 |
|
|
13.2 Multi-Scale Computer-Aided Approach in Designing and Modelling Scaffold for Tissue Regeneration |
451 |
|
|
13.2.1 CATE: Computer-Aided Anatomical Tissue Representation, CT and MRI Techniques |
451 |
|
|
13.2.2 CATE: From Computer-Aided Anatomic 3D Reconstruction to Scaffolds Modelling and Design |
454 |
|
|
13.2.3 CATE: FEM and CFD-Based Scaffolds Modelling and Design Methods |
470 |
|
|
13.3 Understanding the Cell and Tissue Mechanics: A Multi-Scale Approach |
486 |
|
|
13.4 Experimental Techniques for Scaffolds Characterisations |
490 |
|
|
References |
498 |
|
|
14 Quantized Mechanics of Nanotubes and Bundles |
509 |
|
|
14.1 Introduction |
509 |
|
|
14.2 Quantized Fracture Mechanics Approaches |
510 |
|
|
14.3 Fracture Strength |
514 |
|
|
14.4 Impact Strength |
515 |
|
|
14.5 Hyper-Elasticity, Elastic-Plasticity, Fractal Cracks,and Finite Domains |
516 |
|
|
14.6 Fatigue Life |
516 |
|
|
14.7 Elasticity |
517 |
|
|
14.8 Atomistic Simulations |
518 |
|
|
14.9 Nanotensile Tests |
521 |
|
|
14.10 Thermodynamic Limit |
524 |
|
|
14.11 Hierarchical Simulations and Size Effects: from a Nanotube to a Megacable |
525 |
|
|
14.12 Conclusions |
527 |
|
|
References |
527 |
|
|
15 Spin and Charge Pairing Instabilities in Nanoclusters and Nanomaterials |
529 |
|
|
15.1 From Atoms to Solids |
529 |
|
|
15.1.1 Discreteness of Spectrum |
531 |
|
|
15.1.2 Electron Spectroscopy |
532 |
|
|
15.1.3 Electron Correlations in Clusters |
533 |
|
|
15.2 Transition Metal Oxides |
535 |
|
|
15.2.1 Spin-Charge Separation |
535 |
|
|
Doped Cuprates and Manganites |
537 |
|
|
Electronic Characteristics |
537 |
|
|
Phase Separation |
538 |
|
|
15.2.2 BCS Versus High Tc Superconductivity |
540 |
|
|
15.2.3 Localized Versus Itinerant Behavior |
542 |
|
|
15.3 Scanning Tunneling Experiments |
543 |
|
|
15.3.1 Pseudogap and Gap |
543 |
|
|
15.3.2 Two Energy (Temperature) Scales |
545 |
|
|
15.3.3 Coherent Versus Incoherent Condensation |
546 |
|
|
15.3.4 Modulated Pairs in Cuprates |
548 |
|
|
15.3.5 Inhomogeneities |
548 |
|
|
15.4 Bethe-Ansatz and GSCF Theories |
550 |
|
|
15.5 Hubbard Model |
551 |
|
|
15.5.1 GSCF Decoupling Scheme |
551 |
|
|
15.5.2 Canonical Transformation |
553 |
|
|
15.5.3 Order Parameter q(+) |
554 |
|
|
15.5.4 Quasi-Particle Spectrum |
556 |
|
|
15.5.5 Chemical Potential |
557 |
|
|
15.5.6 Ground State Phase Diagram |
559 |
|
|
15.5.7 GSCF Phase Diagram at T=0 |
561 |
|
|
15.6 Bottom up Approach |
562 |
|
|
15.6.1 The Cluster Formalism |
564 |
|
|
15.7 General Methodology |
564 |
|
|
15.7.1 The Canonical Charge and Spin Gaps |
565 |
|
|
15.7.2 Quantum Critical Points: Level Crossings |
567 |
|
|
15.7.3 Symmetry Breaking |
568 |
|
|
15.7.4 The Charge and Spin Instabilities |
570 |
|
|
15.7.5 The Charge and Spin Susceptibility Peaks |
572 |
|
|
15.7.6 Charge and Spin Inhomogeneities |
573 |
|
|
15.7.7 The Coherent Charge and Spin Pairings |
575 |
|
|
15.8 Ground State Properties |
576 |
|
|
15.8.1 Bipartite Clusters |
576 |
|
|
15.8.2 Tetrahedrons |
578 |
|
|
15.8.3 Square Pyramids |
581 |
|
|
15.9 Phase T- Diagram |
582 |
|
|
15.9.1 Tetrahedrons at t=1 |
582 |
|
|
15.10 Conclusion |
585 |
|
|
References |
587 |
|
|
16 Mechanical Properties of One-Dimensional Nanostructures |
593 |
|
|
16.1 Introduction |
593 |
|
|
16.2 Mechanical Property Measurements of One-Dimensional Nanostructures |
594 |
|
|
16.2.1 Electric Field-Induced Mechanical Resonance of One-Dimensional Nanostructures |
595 |
|
|
16.2.2 Axial Tensile Loading of One-Dimensional Nanostructures |
596 |
|
|
16.2.3 Three-Point Bending Test of Bridge-Suspended One-Dimensional Nanostructures |
597 |
|
|
16.2.4 Beam-Bending of One-End-Clamped One-Dimensional Nanostructures |
598 |
|
|
16.2.5 Instrumented Indentation of One-Dimensional Nanostructures |
599 |
|
|
16.2.6 Contact Modulation AFM-Based Techniques |
600 |
|
|
16.3 Contact-Resonance Atomic Force Microscopy |
601 |
|
|
16.3.1 Cantilever Dynamics in CR-AFM |
602 |
|
|
16.3.2 Contact Mechanics in CR-AFM |
605 |
|
|
16.3.3 Precision and Accuracy in CR-AFM Measurements (Dual-Reference Calibration Method for CR-AFM) |
607 |
|
|
16.4 Contact-Resonance Atomic Force Microscopy Applied to Elastic Modulus Measurements of 1D Nanostructures |
609 |
|
|
16.4.1 Normal Contact Stiffness of the Tip–Nanowire Contact |
610 |
|
|
16.4.2 Lateral Contact Stiffness of the Tip–Nanowire Contact |
611 |
|
|
16.5 Elastic Moduli of ZnO and Te Nanowires Measured by CR-AFM |
612 |
|
|
16.5.1 CR-AFM Measurements on ZnO Nanowires |
612 |
|
|
16.5.2 CR-AFM Measurements on Te Nanowires |
618 |
|
|
16.6 Surface Effects on the Mechanical Properties of 1D Nanostructures |
623 |
|
|
16.7 How Important Are the Mechanical Propertiesof 1D Nanostructures in Applications? |
626 |
|
|
References |
627 |
|
|
17 Colossal Permittivity in Advanced Functional Heterogeneous Materials: The Relevanceof the Local Measurements at Submicron Scale |
634 |
|
|
17.1 Introduction |
635 |
|
|
17.2 Physical Properties of Heterogeneous Materials |
637 |
|
|
17.2.1 Theory of the Dielectric Relaxation: Basic Principles |
637 |
|
|
Mobile Charge Carrier Contribution |
638 |
|
|
17.2.2 Separation of Charges: Maxwell/Wagner/Sillars Polarization |
640 |
|
|
Mesoscopic Scale: Separation of ChargesMaxwell/Wagner/Sillars (MW) Polarization |
640 |
|
|
Macroscopic Scale: Electrode Polarization |
641 |
|
|
17.2.3 Ultimate Theories on the Dielectric Relaxation |
642 |
|
|
The Presence of Inner Schottky Barriers |
644 |
|
|
Intrinsic and Extrinsic Mechanisms |
646 |
|
|
17.3 Conventional Macroscopic Techniques |
648 |
|
|
17.3.1 Basic Principles |
648 |
|
|
17.3.2 Dielectric Spectroscopy |
649 |
|
|
17.4 Scanning Probe Microscopy |
650 |
|
|
17.4.1 Scanning Tunnelling Microscopy on Giant- Materials |
650 |
|
|
17.4.2 Kelvin Probe Force Microscopy on Giant- Materials |
654 |
|
|
17.4.3 SIM on Giant- Materials |
657 |
|
|
CCTO Polycrystalline Ceramics |
657 |
|
|
CCTO Single Crystal |
662 |
|
|
17.5 Summary and Conclusions |
664 |
|
|
References |
665 |
|
|
18 Controlling Wear on Nanoscale |
668 |
|
|
18.1 Introduction |
669 |
|
|
18.2 Molecular and Supra-Molecular Featuresfor Basic Wear Mechanism |
672 |
|
|
18.2.1 Abrasive Wear Mechanisms for Viscoelastic Materials |
687 |
|
|
18.3 Modelling Wear as an Activated Process |
690 |
|
|
18.3.1 Self-assembled Monolayers as a Frame for Modelling Wear in Viscoelastic Materials |
696 |
|
|
18.4 Conclusions |
704 |
|
|
References |
705 |
|
|
19 Contact Potential Difference Techniques as Probing Tools in Tribology and Surface Mapping |
708 |
|
|
19.1 Introduction |
708 |
|
|
19.2 Electron Work Function as a Parameterfor Surfaces Characterization |
709 |
|
|
19.3 Measurements of Contact Potential Difference |
711 |
|
|
19.3.1 Kelvin-Zisman Probe |
712 |
|
|
19.3.2 Nonvibrating Probe |
713 |
|
|
19.3.3 Ionization Probe |
714 |
|
|
19.3.4 Atomic Force Microscope in Kelvin Mode |
715 |
|
|
19.4 Typical Electron Work Function Responses |
717 |
|
|
19.4.1 Surface Deformation |
717 |
|
|
19.4.2 Friction |
719 |
|
|
19.4.3 Experimental Examples of Kelvin Technique Application |
722 |
|
|
19.5 Periodic Electron Work FunctionChanges During Friction |
725 |
|
|
19.5.1 Phenomenology |
725 |
|
|
19.6 Surface Mapping Examples |
734 |
|
|
19.7 Closure |
737 |
|
|
Acknowledgements |
738 |
|
|
References |
738 |
|
|
Part III Industrial Applications |
742 |
|
|
20 Modern Atomic Force Microscopy and Its Application to the Study of Genome Architecture |
743 |
|
|
20.1 Introduction: History of AFM Applications to Biological Macromolecules |
744 |
|
|
20.1.1 Nanometer Scale Imaging of DNA–Protein Complexes |
744 |
|
|
20.1.2 Visualization of Various Biological Macromolecules |
745 |
|
|
20.1.3 Challenges Toward Technical Advancement |
746 |
|
|
20.2 Trends in Biological AFM |
747 |
|
|
20.2.1 Analyses of Biological Macromolecules in Motion |
747 |
|
|
20.2.2 Measurement of Pico-Newton Mechanical Forces in Biological Systems |
749 |
|
|
20.2.3 Cantilever Modification and Application to Force Measurements |
750 |
|
|
20.2.4 Recognition Imaging: Integration of Force Measurements and Imaging |
751 |
|
|
20.3 Eukaryotic Genome Architecture |
751 |
|
|
20.3.1 Biophysical Properties of DNA and DNA-Binding Proteins |
753 |
|
|
20.3.2 Fundamental Structures of Eukaryotic Genomes |
755 |
|
|
20.3.3 Chromosome Structure in the Mitotic Phase |
758 |
|
|
20.3.4 Chromatin Structure Inside Nuclei |
758 |
|
|
20.4 Prokaryotic Genome Architecture |
759 |
|
|
20.4.1 Bacterial DNA-Binding Proteins |
759 |
|
|
20.4.2 Bacterial Genome Structure and Dynamics |
761 |
|
|
20.4.3 Archaeal DNA-Binding Proteins, Genome Structure, and Dynamics |
762 |
|
|
20.5 Conclusion/Perspectives |
766 |
|
|
References |
766 |
|
|
21 Near-Field Optical Litography |
777 |
|
|
21.1 Introduction |
778 |
|
|
21.2 Lithography: Principles and Materials |
778 |
|
|
21.2.1 Photolitography |
780 |
|
|
21.2.2 Electron Beam Lithography |
782 |
|
|
21.2.3 Ion Beam Lithography |
783 |
|
|
21.2.4 Materials |
784 |
|
|
21.3 Scanning Near-Field Optical Microscopy and Lithography |
787 |
|
|
21.3.1 Aperture and Apertureless SNOM Lithography |
791 |
|
|
21.3.2 Near-Field Optical Lithography Achievements on Azo – Polymers |
801 |
|
|
21.4 Conclusions |
808 |
|
|
References |
808 |
|
|
22 A New AFM-Based Lithography Method: Thermochemical Nanolithography |
814 |
|
|
22.1 Introduction |
815 |
|
|
22.2 Thermochemical Nanolithography |
816 |
|
|
22.3 Thermal Unmasking of Chemical Groups on a Polymer |
818 |
|
|
22.3.1 Unmasking Carboxylic Acid Groups |
818 |
|
|
22.3.2 Unmasking Amines Groups |
821 |
|
|
22.4 Two-Step Wettability Modification |
821 |
|
|
22.5 Covalent Functionalization and Molecular Recognition |
824 |
|
|
References |
828 |
|
|
23 Scanning Probe Alloying Nanolithography |
831 |
|
|
23.1 Brief Review of Nanolithography |
831 |
|
|
23.1.1 Introduction |
831 |
|
|
23.1.2 Probe-Based Lithography |
833 |
|
|
23.1.3 Probe Materials and Properties |
834 |
|
|
23.1.4 Probe Wear |
835 |
|
|
23.2 Nanoalloying and Nanocrystallization |
837 |
|
|
23.2.1 Background |
837 |
|
|
23.2.2 Synthesis of Nanoalloys |
837 |
|
|
23.3 Probe-Based Nanoalloying and Nanocrystalizations |
838 |
|
|
23.3.1 Background |
838 |
|
|
23.3.2 Scanning Probe-Based Alloying Nanolithography |
839 |
|
|
AFM Functionality as a Processing Tool |
839 |
|
|
Basic AFM Setup for Nanoprocessing |
840 |
|
|
Interfacial Interactions Between Tip and Substrate |
840 |
|
|
Mechanical Sliding |
840 |
|
|
Morphology of AFM Tips |
841 |
|
|
Chemical Analysis |
842 |
|
|
Morphological Analysis of ``Wear'' Tracks |
843 |
|
|
References |
845 |
|
|
24 Structuring the Surface of Crystallizable Polymers with an AFM Tip |
851 |
|
|
24.1 Introduction |
851 |
|
|
24.2 Experimental Part |
854 |
|
|
24.2.1 Characteristics of the Polymers Used |
854 |
|
|
24.2.2 Sample Preparation |
855 |
|
|
24.2.3 The Employed AFM Working Mode |
855 |
|
|
24.3 Melting of Confined, Nanometer-Sized Polymer Crystals |
859 |
|
|
24.3.1 Self-Assembly and Non-Periodic Patterns |
859 |
|
|
24.3.2 The AFM Set-Up Employed for Local Heating |
861 |
|
|
24.3.3 Local Melting of Confined Polymer Crystals |
861 |
|
|
24.4 Lowering the Crystal Nucleation Barrier by Deforming Polymer Chains |
874 |
|
|
24.4.1 Stretched Chains Resulting from Friction Transfer |
874 |
|
|
24.4.2 Stretched Chains Resulting from Rubbing with an AFM Tip |
877 |
|
|
24.5 Conclusions: Controlling Polymer Properties at a Molecular Scale |
880 |
|
|
References |
881 |
|
|
25 Application of Contact Mode AFM to ManufacturingProcesses |
885 |
|
|
25.1 Introduction |
885 |
|
|
25.2 Review of Atomic Force Microscope Capabilities Relevant to Manufacturing |
887 |
|
|
25.2.1 Evaluation of Mechanical Properties |
887 |
|
|
Hardness Testing |
887 |
|
|
Scratch Testing |
892 |
|
|
Wear Testing |
896 |
|
|
25.2.2 Friction/Lubricant Evaluation |
900 |
|
|
Review of Lubrication Fundamentals |
900 |
|
|
Friction Force Microscopy |
903 |
|
|
25.3 Applications to Metal Forming |
904 |
|
|
25.3.1 Evaluation of Lubricants |
904 |
|
|
25.3.2 Bulk and Sheet Forming |
905 |
|
|
25.3.3 Powder Processing |
912 |
|
|
25.4 Abrasive Machining Processes |
914 |
|
|
25.4.1 Grinding and Polishing |
914 |
|
|
25.4.2 Chemical Mechanical Polishing |
915 |
|
|
25.4.3 Miscellaneous Applications |
919 |
|
|
Nanolithography |
919 |
|
|
25.5 Polymer Processing |
920 |
|
|
25.6 Conclusions |
922 |
|
|
References |
923 |
|
|
26 Scanning Probe Microscopy as a Tool Applied to Agriculture |
933 |
|
|
26.1 Applications of Nanotechnology in Agriculture |
933 |
|
|
26.2 Applications of AFM in Agriculture |
934 |
|
|
26.2.1 Introduction |
934 |
|
|
26.2.2 Some Examples and Results of Agricultural Research |
934 |
|
|
Nanostructured Films |
934 |
|
|
Structures Containing Nanoparticles and Nanofibers |
940 |
|
|
Sensors and Biosensors |
941 |
|
|
Direct Measurement of Interaction Forces |
945 |
|
|
Natural Fibers and Soil Science |
950 |
|
|
Other Applications |
954 |
|
|
26.3 Conclusions and Perspectives |
958 |
|
|
References |
958 |
|
|
Index |
963 |
|