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Author:   Ricardo García
Publisher:   Wiley-VCH Verlag GmbH
Imprint:   Wiley-VCH Verlag GmbH
Dimensions:   Width: 18.10cm , Height: 1.60cm , Length: 24.90cm
Weight:   0.586kg
ISBN:  

9783527408344

ISBN 10:   3527408347
Pages:   193
Publication Date:   06 October 2010
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   Available To Order  
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Table of Contents

Preface XI Annotation List XIII 1 Introduction 1 1.1 Historical Perspective 1 1.2 Evolution Periods and Milestones 2 1.2.1 Early Times (1987–1992) 2 1.2.2 Exploration and Expansion (1993–1999) 3 1.2.3 Cantilever–Tip Dynamics (2000–2006) 4 1.2.4 Multifrequency AFM (2007 to Present) 4 1.3 Tapping Mode or Amplitude Modulation Force Microscopy? 5 1.4 Other Dynamic AFM Methods 6 1.4.1 Frequency Modulation AFM 6 1.4.2 Amplitude Modulation versus Frequency Modulation AFM 6 2 Instrumental and Conceptual Aspects 9 2.1 Introduction 9 2.2 Amplitude Modulation AFM 9 2.3 Elements of an Amplitude Modulation AFM 10 2.3.1 Feedback Controller 10 2.3.2 Optical Beam Deflection 12 2.3.3 Other Detection Methods 13 2.3.4 Tip–Sample Motion System 14 2.3.5 Imaging Acquisition and Display 14 2.4 Cantilever–Tip System 15 2.4.1 Cantilevers 16 2.4.2 Tips 17 2.4.3 Excitation of Cantilever–Tip Oscillations 18 2.5 Calibration Protocols 19 2.5.1 Optical Sensitivity 19 2.5.2 Calibration of the Cantilever Force Constant 20 2.5.2.1 Thermal Noise Method 20 2.5.2.2 Sader Method 21 2.6 Common Experimental Curves 21 2.6.1 Resonance Curves in Air and Liquids 21 2.6.2 Amplitude and Phase Shift Distance Curves 23 2.7 Displacements and Distances 23 3 Tip–Surface Interaction Forces 25 3.1 Introduction 25 3.2 Van der Waals Forces 25 3.3 Contact Mechanics Forces 27 3.3.1 Derjaguin–Muller–Toporov Model 29 3.3.2 Johnson–Kendall–Roberts Model 30 3.4 Capillary Force 30 3.5 Forces in Liquid 32 3.5.1 Electrostatic Double-Layer Force 32 3.5.2 Derjaguin–Landau–Verwey–Overbeek Forces 33 3.5.3 Solvation Forces 34 3.5.4 Other Forces in Aqueous Solutions 35 3.6 Electrostatic Forces 35 3.7 Nonconservative Forces 36 3.8 Net Tip–Surface Force 38 3.8.1 Tip–Surface Force for a Stiff Material with Surface Adhesion Hysteresis 38 3.8.2 Tip–Surface Force for a Viscoelastic Material 39 4 Theory of Amplitude Modulation AFM 41 4.1 Introduction 41 4.2 Equation of Motion 42 4.3 The Point-Mass Model: Elemental Aspects 43 4.3.1 The Harmonic Oscillator 44 4.3.2 Dynamics of a Weakly Perturbed Harmonic Oscillator 46 4.4 The Point-Mass Model: Analytical Approximations 48 4.4.1 Perturbed Harmonic Oscillator 49 4.4.2 Wang Model 50 4.4.3 Virial Dissipation Method 51 4.5 Peak and Average Forces 52 4.5.1 Peak Forces 53 4.5.2 Average Forces 53 4.6 The Point-Mass Model: Numerical Solutions 54 4.6.1 Attractive and Repulsive Interaction Regimes 55 4.6.2 Driving the Cantilever Below Resonance 56 4.7 The Effective Model 56 Appendix: The Runge–Kutta Algorithm 56 5 Advanced Theory of Amplitude Modulation AFM 59 5.1 Introduction 59 5.2 Q-Control 59 5.3 Nonlinear Dynamics 62 5.4 Continuous Cantilever Beam Model 64 5.4.1 One-Dimensional Model 64 5.5 Equivalence between Point-Mass and Continuous Models 67 5.6 Systems Theory Description 69 5.7 Force Reconstruction Methods: Force versus Distance 70 5.7.1 Lee–Jhe Method 70 5.7.2 Hölscher Method 71 5.8 Time-Resolved Force 73 5.8.1 Acceleration 74 5.8.2 Higher Harmonics Method 74 5.8.3 Direct Time-Resolved Force Measurements 76 6 Amplitude Modulation AFM in Liquid 77 6.1 Introduction 77 6.2 Qualitative Aspects of the Cantilever Dynamics in Liquid 77 6.2.1 Dynamics Far from the Surface 77 6.2.2 Dynamics Close to the Surface 78 6.3 Interaction Forces in Liquid 80 6.4 Some Experimental and Conceptual Considerations 82 6.5 Theoretical Descriptions of Dynamic AFM in Liquid 84 6.5.1 Analytical Descriptions: Far from the Surface 84 6.5.2 Analytical and Numerical Descriptions in the Presence of Tip–Surface Forces 87 6.5.3 Semianalytical Models 87 6.5.4 Finite Element Simulations 89 7 Phase Imaging Atomic Force Microscopy 91 7.1 Introduction 91 7.2 Phase Imaging Atomic Force Microscopy 91 7.3 Theory of Phase Imaging AFM 95 7.3.1 Phase Imaging Atomic AFM: HighQ 95 7.3.2 Phase Imaging AFM: LowQ 97 7.4 Energy Dissipation Measurements at the Nanoscale 98 7.4.1 Energy Dissipation and Observables 98 7.4.2 Identification of Energy Dissipation Processes 99 7.4.3 Atomic and Nanoscale Dissipation Processes 100 8 Resolution, Noise, and Sensitivity 103 8.1 Introduction 103 8.2 Spatial Resolution 103 8.2.1 Vertical Resolution and Noise 104 8.2.2 Lateral Resolution 106 8.3 Image Distortion and Surface Reconstruction 108 8.4 Force-Induced Surface Deformations 109 8.5 Atomic, Molecular, and Subnanometer Lateral Resolution 111 8.5.1 True Resolution 112 8.6 High-Resolution Imaging of Isolated Molecules 113 8.7 Conditions for High-Resolution Imaging 113 8.8 Image Artifacts 114 9 Multifrequency Atomic Force Microscopy 117 9.1 Introduction 117 9.2 Normal Modes and Harmonics 117 9.2.1 Generation of Higher Harmonics 117 9.2.2 Coupling Eigenmodes and Harmonics 120 9.2.3 Imaging Beyond the Fundamental Mode 121 9.3 Bimodal AFM 122 9.3.1 Intermodulation Frequencies 124 9.4 Mode-Synthesizing Atomic Force Microscopy 125 9.5 Torsional Harmonic AFM 126 9.6 Band Excitation 127 10 Beyond Topographic Imaging 129 10.1 Introduction 129 10.2 Scattering Near-Field Optical Microscopy 129 10.3 Topography and Recognition Imaging 132 10.3.1 Tip Functionalization 133 10.4 Nanofabrication by AFM 134 10.4.1 AFM Oxidation Nanolithography 134 10.4.2 Patterning and Devices 136 References 139 Index 175

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Author Information

Ricardo García is Professor at the Instituto de Microelectróni-ca de Madrid (CSIC), one of the Institutes of the Spanish Council for Scienti¿ c Research. He received his PhD degree in physics from the Universidad Autónoma de Madrid in 1990. From 1990 to 1993 he was a post-doctoral associate at the Universities of New Mexico and Oregon. Professor García is author and co-author of 104 articles and 14 book chapters, and has contributed some highly regarded papers on the development and optimization of amplitude modulation AFM (tapping mode AFM) as well as on the emergence of scanning probe nanolithographies. In 2007, Professor García was elected a Fellow of the American Physical Society.

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