SPMW Nonlinear dynamics in AFM - chaos and parametric resonance

05 Jan 2007 | Online Presentations | Contributor(s): Arvind Raman

The field of nonlinear dynamics deals with mathematical techniques to study the nonlinear equations that serve as models of physical systems. The benefits of using nonlinear dynamics concepts to …

https://nanohub.org/resources/2238

SPMW Mechanisms of atomic friction studied by friction force microscopy

12 Dec 2006 | Online Presentations | Contributor(s): Ernst Meyer

Force microscopy is a versatile instrument to investigate physical phenomena on surfaces. The first emphasis is on the study of friction on the nanometer-scale, also called nanotribology. It will be …

https://nanohub.org/resources/2102

Materials Science on the Atomic Scale with the 3-D Atom Probe

08 Nov 2006 | Online Presentations | Contributor(s): George D. W. Smith

Some of the key goals of materials science and technology are to be able to design a material from first principles, to predict its behaviour, and also to optimise the processing route for its …

https://nanohub.org/resources/1973

A Primer on Scanning Tunneling Microscopy (STM)

04 Apr 2006 | Online Presentations | Contributor(s): Ron Reifenberger

Scanning Probe Microscopes and their remarkable ability to provide three-dimensional maps of surfaces at the nanometer length scale have arguably been the most important tool in establishing the …

https://nanohub.org/resources/1185

Electron and Ion Microscopies as Characterization Tools for Nanoscience and Nanotechnology

27 Feb 2006 | Online Presentations | Contributor(s): Eric Stach

This tutorial presents a broad overview of the basic physical principles of techniques used in scanning electron microscopy (SEM), as well as their application to understanding …

https://nanohub.org/resources/1097

Metal Oxide Nanowires: Synthesis, Characterization and Device Applications

07 Mar 2006 | Online Presentations | Contributor(s): Jia Grace Lu

Various metal oxide nanowires, such as ZnO, SnO2, Fe2O3, In2O3 and Ga2O3, have been synthesized by chemical vapor deposition method. Their structures and properties are characterized by TEM, SEM, …

https://nanohub.org/resources/1096

Making the Tiniest and Fastest Transistor using Atomic Layer Deposition (ALD)

13 Feb 2006 | Online Presentations | Contributor(s): Peide "Peter" Ye

Atomic layer deposition (ALD) is an emerging nanotechnology enables the deposit of ultrathin films, one atomic layer by one atomic layer. ALD provides a powerful, new capability to grow or regrow …

https://nanohub.org/resources/1015

Designing Nanocomposite Materials for Solid-State Energy Conversion

10 Nov 2005 | Online Presentations | Contributor(s): Timothy D. Sands

New materials will be necessary to break through today's performance envelopes for solid-state energy conversion devices ranging from LED-based solid-state white lamps to thermoelectric devices …

https://nanohub.org/resources/832

Designing Nanocomposite Thermoelectric Materials

08 Nov 2005 | Online Presentations | Contributor(s): Timothy D. Sands

This tutorial reviews recent strategies for designing high-ZT nanostructured materials, including superlattices, embedded quantum dots, and nanowire composites. The tutorial highlights the challenges …

https://nanohub.org/resources/383

Laser Cooling of Solids

06 Oct 2005 | Online Presentations | Contributor(s): Massoud Kaviany

Enhanced laser cooling of ion doped nanocrystalline powders (e.g., Yb3+: Y2O3) can be achieved by enhancing the anti-Stokes, off-resonance absorption, which is proportional to the three …

https://nanohub.org/resources/195

Semiconductor Interfaces at the Nanoscale

17 Oct 2005 | Online Presentations | Contributor(s): David Janes

The trend in downscaling of electronic devices and the need to add functionalities such as sensing and nonvolatile memory to existing circuitry dictate that new approaches be developed for device …

https://nanohub.org/resources/196

Towards Molecular Electronic Circuitry: Selective Deposition of Metals on Patterned ...

28 Jul 2005 | Online Presentations | Contributor(s): Amy Walker

We have developed a robust method by which to construct complex two- and three- dimensional structures based on controlling interfacial chemistry. This work has important applications in …

https://nanohub.org/resources/466

Synthetic and Processing Strategies to New Molecular and Polymeric...

28 Jul 2005 | Online Presentations | Contributor(s): Antonio Facchetti, Tobin Marks

Recent achievements in the design and synthesis of new arene/heteroaromatic oligomers/molecules functionalized with a variety of phenacyl, alkylcarbonyl, and perfluoroalkylcarbonyl will be presented. …

https://nanohub.org/resources/469

Probing Silicon-Based Molecular Electronics with Scanning Tunneling Microscopy

29 Jul 2005 | Online Presentations | Contributor(s): Mark Hersam

In recent years, substantial progress has occurred in the field of molecular electronics [1]. In this paper, charge transport through molecule-semiconductor junctions is probed with ultra-high vacuum …

https://nanohub.org/resources/524

Measurement of Single Molecule Conductance using STM-Based Break Junctions

28 Jul 2005 | Online Presentations | Contributor(s): Nongjian Tao

We have measured single molecule conductance using a combined STM- and conducting AFM-based break junction method. The method works in aqueous solutions, which is suitable for biologically relevant …

https://nanohub.org/resources/527

Probing Molecular Conduction with Scanning Probe Microscopy

08 Jul 2004 | Online Presentations | Contributor(s): Mark Hersam

This tutorial will provide an overview of scanning probe microscopy (SPM) and its application towards problems in molecular conduction. In an effort to communicate the power and limitations of …

https://nanohub.org/resources/497