Nanostructures (eBook)

Preface 6
Contents 7
List of Contributors 11
1 Atomic-Scale Chains: Fabrication and Evaluation Technologies 13
1.1 Introduction 13
1.2 Adsorption and Tunneling of Atomic-Scale Lines of In and Pb on Si( 100) 16
1.3 Atomic-Scale Pb Chains on Si(100) 28
1.4 Indium Ad-dimer Manipulation by a Scanning Tunneling Microscope Tip 35
1.5 Conductance Measurements Through a ML of Pb Films on Si( 111) 41
1.6 Transfer of Au Cusp Clusters on Si(111) 7×7 Surfaces from a Pure Au Tip of a Scanning Tunneling Microscope 45
1.7 Submicrometer Transmission Mask Fabrication 51
1.8 An UHV Dual-Tip Scanning Tunneling Microscope 56
1.9 Fabrication and Lateral Electronic Transport Measurements of Au Nanowires 59
1.10 Conclusion 67
References 69
2 Nanolithography 76
2.1 Introduction 76
2.2 Adsorbate Manipulation with Electrons, Photons and Electric Fields 77
2.3 Methods of Nanolithography 85
2.4 Conclusion 104
References 105
3 Adsorption Behavior of Single Molecules on Surfaces Formed by Molecular Assemblies Studied by Scanning Tunneling Microscopy 109
3.1 Introduction 109
3.2 Selective Adsorption Behavior of Molecular Surfaces 110
3.3 Inclusive Adsorption Behavior of Molecular Surfaces 118
3.4 Future Perspectives 129
References 130
4 Fabricating Nanostructures via Organic Molecular Templates 132
4.1 Introduction 132
4.2 0-D Nanostructures 133
4.3 1-D Nanostructures 140
4.4 2-D Nanostructures 147
4.5 Summary 152
References 152
5 Carbon Nanotubes 160
5.1 Introduction 160
5.2 Historical Background 160
5.3 Atomic Structure of CNTs 161
5.4 Electronic Structure of CNTs 168
5.5 Handling of CNTs 175
5.6 Applications of Carbon Nanotubes 200
References 215
6 Calculating Transport Properties of Nanometer- Scale Systems: Nanodevice Applications of Carbon Nanotubes and Organic Molecules 225
6.1 Introduction 225
6.2 Landauer Formalism 227
6.3 Calculation of Transport for Contact– Junction– Contact Systems 233
6.4 The Contact Issue 238
6.5 Applications of the Method 243
6.6 Conclusions 254
References 254
7 Molecular Wires 258
7.1 Introduction 258
7.2 1-Dodecanethiol Molecules on Graphite 260
7.3 Two-Dimensional Ordering of Octadecanethiol Molecules on Graphite 263
7.4 Silver Deposited Octanethiol Self-Assembled Monolayers 263
7.5 Linear Chain Polymerization 268
7.6 Self-Assembly of Cyanine Fibers on Conducting Substrates 268
7.7 Inclusion Complex of Polyaniline Covered by Cyclodextrins for Molecular Devices 276
7.8 Manipulation of Insulated Molecular Wire with an Atomic Force Microscope 278
7.9 Production of Individual Suspended Single-Walled Carbon Nanotubes 279
7.10 Low-Energy Electron Point Source Microscope: As a Tool for Transport Measurements of Free- Standing Nanometer- Scale Objects 283
References 285
Index 293