Nanoscale Processes on Insulating Surfaces

Product Description
Ionic crystals are among the simplest structures in nature. They can be easily cleaved in air and in vacuum, and the resulting surfaces are atomically flat on areas hundreds of nanometers wide. With the development of scanning probe microscopy, these surfaces have become an ideal playground to investigate several phenomena occurring on the nanometer scale. This book focuses on the fundamental studies of atomically resolved imaging, nanopatterning, metal deposition, molecular self-assembling and nanotribological processes occurring on ionic crystal surfaces. Here, a significant variety of structures are created by nanolithography, annealing and irradiation by electrons, ions or photons, and are used to confine metal particles and organic molecules or to improve our basic understanding of friction and wear on the atomic scale. Metal oxides with wide band gap are also discussed. Altogether, the results obtained so far will have an undoubted impact on the future development of nanoelectronics and nanomechanics.

• Crystal Structures of Insulating Surfaces
• Preparation Techniques of Insulating Surfaces
• Scanning Probe Microscopy in Ultra High Vacuum
• Scanning Probe Microscopy on Bulk Insulating Surfaces
• Scanning Probe Micrscopy on thin Insulating Films
• Interaction of Ions, Electrons and Photons with Halide Surfaces
• Surface Patterning with Electrons and Photons
• Surface Patterning with Ions
• Metal Deposition on Insulating Surfaces
• Organic Molecules on Insulating Surfaces
• Scanning Probe Spectroscopy on Insulating Surfaces
• Nanotribology on Insulating Surfaces
• Nanomanipulation on Insulating Surfaces

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Laser Applications in Surface Science and Technology

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Lasers are becoming increasingly important in surface science, both for the diagnostic evaluation and the processing of surfaces, for example, higher harmonic generation for diagnosis and the widespread use of laser surface microstructuring and annealing for processing. The physics behind such applications might be described in some cases by simple heating and melting processes, but can also include much more complex phenomena such as plasma generation or elementary collective surface excitations. Laser Applications in Surface Science and Technology provides an overview of the different techniques, discusses the principles behind them and gives a concise description of laser-induced and laser-detected processes on surfaces. Recent developments in the field such as nonlinear surface spectroscopies and the interactions of ultrashort pulses with materials, are also introduced. Invaluable reading for postgraduate students and research scientists across a wide range of disciplines including: physics, chemistry, electronic engineering and materials science.

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3D Monte Carlo Grain Growth (Potts model)

Crystal growth in a copper nanowire due to thermal annealing.

Annealing of Nanowire

This movie shows a nanowire of type mo6s3i6 straightening out due to a electric current. No tension is applied between the wire-endings.

Electrical Transport Properties of Single III-Nitride Nanowires: GaN, InN and ZnO nanowires

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The electrical transport properties studies on single GaN and InN nanowires were studied. First, we report studies on the effect of UV/ozone cleaning on n-type GaN nanowires. After subtraction of this contact resistivity from the total resistance of the nanowire, it was found that the ozone treatment reduced the apparent resistivity from 71 to 0.7 ¿ cm. Second, a simple fabrication process for single GaN nanowire field effect transistor on Si substrate was demonstrated. The as-grown GaN nanowires exhibited n-type conductivity after annealing. From the temperature-dependence resistance behavior, the transport was dominated by tunneling in these annealed nanowires. Third, the transport properties of single InN nanowires grown by thermal catalytic chemical vapor deposition were measured as a function of both length/square of radius ratio and temperature. The usual Ohm¿s law will fail in small nanowires in the diffusive regime when the wire radius is comparable with electron de Broglie¿s wavelength or the scatter potential range.

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