Nanotechnology –Fundamentals and Applications of Functional Nanostructures

Results of the second research programme Kompetenz netz “Funktionelle Nanostrukturen” (Competence Network on Functional Nanostructures)

Prof. Dr. Thomas Schimmel

Prof. Dr. Hilbert v. Löhneysen

Dr. Matthias Barczewski

Kompetenznetz Funktionelle NanostrukturenAdministrative officeKarlsruhe Institute of Technology (KIT)76128 Karlsruhewww.nanonetz-bw.de

Karlsruhe, April 2011

Table of Contents iii

Table of Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Preface of the Spokespersons of the Research Network . . . . . . . . . . . . . . . . 3

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Part A: Nanodevices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Nanodevices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

ZnO Nanorods: growth, properties and devices . . . . . . . . . . . . . . . . . . . . . . . 15

Localized ATP synthesis to control a biological nanomotor. . . . . . . . . . . . . 47

Electron transport through metallic and organic wires . . . . . . . . . . . . . . . . 65

Molecular engineering of carbon nanotube transistors . . . . . . . . . . . . . . . 85

Spatial dependence of the transport through proximity systems . . . . .111

Coherent and Correlated Electron Transport in Multi-lead Quantum Dot Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Crossed Andreev Reflection in Superconductor-Ferromagnet Hybrid Structures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

Coupling quantum light emitters to metal and dielectric nano-photonic structures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161

Part B: Functional Nanostructured Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Functional Nanostructured Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183

Nanofunctionalized surfaces through molecular self-organization . . .187

Periodic Nanostructures: Preparation, Properties and Effects of Irradiation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211

Template-induced Preparation on Semiconductor Surfaces Driven by Phase Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233

Nanotribology and Nanotribochemistry of Model Systems: Investigation of Material- and Velocity-Dependent Mecha-nisms by AFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261

Electrocatalytic Function of Nanostructured Surfaces – Reac tion and Mass Transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281

iv Nanotechnology

Functional Nanopatterned Surfaces for Cell Adhesion Studies. . . . . . . .305

Electrocatalytic reactivity of bimetallic nanostructures and nanostructured surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333

Part C: Nanoparticles and Nanomaterials . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355

Nanoparticles and Nanomaterials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .357

Magnetic anisotropies induced by large substrate strains . . . . . . . . . . . .361

Plant viral nanoscale biotemplates: From virowires to dumbbells and arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . .385

Magnetic Nanomaterials: Self-aggregation and functionality . . . . . . . .411

Spinelectronics based on magnetic oxidic semiconductors . . . . . . . . . . .441

Targeted lipid-coated nanoparticles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .467

Porous Metals as Functional Nanomaterials: Surface Stress-Charge Response. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .479

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491