Tags: Nano Electro-Mechanical Systems (NEMS)

All Categories (161-180 of 211)

  1. Atomic Force Microscopy

    Online Presentations | 01 Dec 2005 | Contributor(s):: Arvind Raman

    Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of the physics of the interaction forces between the nanoscale tip and sample, the dynamics of the...

  2. First Principles-based Atomistic and Mesoscale Modeling of Materials

    Online Presentations | 01 Dec 2005 | Contributor(s):: Alejandro Strachan

    This tutorial will describe some of the most powerful and widely used techniques for materials modeling including i) first principles quantum mechanics (QM), ii) large-scale molecular dynamics (MD) simulations and iii) mesoscale modeling, together with the strategies to bridge between them. These...

  3. Nanoparticle Synthesis and Assembly for Biological Sensing

    Online Presentations | 25 Oct 2005 | Contributor(s):: Gil Lee

    Nanoparticles have unique physical and chemical properties that make them very useful for biological and chemical sensing. For example, colloidal gold has been used as an optical transducer for antibody based sensing for over twenty years and is the basis for a many of the point-of-use diagnostic...

  4. Wireless Integrated MicroSystems (WIMS): Coming Revolution in the Gathering of Information

    Online Presentations | 01 Sep 2005 | Contributor(s):: Kensall D. Wise

    Wireless integrated microsystems promise to become pervasive during the coming decade in applications ranging from health care and environmental monitoring to homeland security. Merging low-power embedded computing, wireless interfaces, and wafer-level packaging with microelectromechanical...

  5. Laser Cooling of Solids

    Online Presentations | 06 Oct 2005 | 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 design-controlled factors, namely, dopant concentration, pumping field energy, and anti-Stokes transition rate....

  6. Introduction to Carbon Nanotube Electronics

    Series | 12 Oct 2005 | Contributor(s):: Susan Sinnott

    Carbon nanotubes (CNT) have interesting, structure-dependent electronic properties. In particular, CNTs can be a metallic or semiconducting depending on the way in which the carbon atoms are arranged in the CNT walls. The purpose of this learning module is to familiarize students with the basic...

  7. Modeling and Simulation of Sub-Micron Thermal Transport

    Online Presentations | 26 Sep 2005 | Contributor(s):: Jayathi Murthy

    In recent years, there has been increasing interest in understanding thermal phenomena at the sub-micron scale. Applications include the thermal performance of microelectronic devices, thermo-electric energy conversion, ultra-fast laser machining and many others. It is now accepted that Fourier's...

  8. Fine Tuning Microcantilever Vibrations for Ultrasensitive Analyte Mass Detection

    Online Presentations | 27 Jul 2005 | Contributor(s):: Arvind Raman

    Microcantilever based biochemical sensing has shown tremendous promise for ultrasenstive detection in both liquid and ambient conditions. However improving the sensitivity, reliability and robustness of these sensors so they can achieve their potential needs substantial efforts in (a) chemical...

  9. Nanostructure Engineered Sensors for Gas Detection in Space and Terrestrial Applications

    Online Presentations | 28 Jul 2005 | Contributor(s):: Jing Li

    A nanosensor technology has been developed using single walled carbon nanotubes (SWNTs) on a pair of interdigitated electrodes (IDE) processed with a silicon-based microfabrication and micromachining technique. These sensors have been exposed to nitrogen dioxide, methane, acetone, benzene,...

  10. Organic Electronics Part I: Chemical Modulation

    Online Presentations | 27 Jul 2005 | Contributor(s):: Jiri Janata

    Organic semiconductors (OS) have been in the center of attention in at least two areas: in chemical ,sensors and in molecular electronics. Although the chemistry and physics governing them is the same their performance characteristics are apparently measured on different scales. Electrochemical...

  11. A Novel Diagnostic Assay Based On Nanomechanics

    Online Presentations | 28 Jul 2005 | Contributor(s):: Marko Dorrestijn

    Micro-fabricated silicon cantilevers arrays offer a novel label-free approach where ligand-receptor binding interactions occurring on the sensor generate nanomechanical signals like bending or a change in mass that is optically detected in-situ. We report the detection of multiple unlabelled...

  12. Introduction to BioMEMS and Bionanotechnology

    Online Presentations | 27 Jul 2005 | Contributor(s):: Rashid Bashir

    BioMEMS and Bionanotechnology have the potential to make significant impact in a wide range of fields and applications. This lecture series introduces the basic concepts and topics underlying the interdisciplinary areas of BioMEMS and Bionanotechnology. Advances in this field require the...

  13. 2004 Computational Materials Science Summer School

    Workshops | 07 Jun 2004

    This short course will explore a range of computational approaches relevant for nanotechnology.

  14. Computational Methods for NEMS

    Online Presentations | 16 Jun 2004 | Contributor(s):: Narayan Aluru

    Computational Methods for NEMS

  15. Nanofluidics

    Online Presentations | 15 Jun 2004 | Contributor(s):: Susan Sinnott

    Nanofluidics

  16. Sensing Technology Needs in Long-Term Human Space Exploration

    Online Presentations | 27 Jul 2005 | Contributor(s):: Antony Jeevarajan

    The sensing technologies are mainly derived from three broad areas, namely, absorbance, fluorescence and electrochemical. The development of a sensing system with unique requirements for space applications in these areas will be addressed. The application of these sensing systems in Tissue...

  17. Introduction to Molecular Conduction

    Series | 21 Jul 2005 | Contributor(s):: Ferdows Zahid, Magnus Paulsson, Avik Ghosh, Supriyo Datta

    A scanning probe microscope brushes the tips of molecules rising up from a gold substrate. After making contact, the probe measures a very strange current-voltage relationship--linear portions separated by flat spots or sharp increases. Definitely not Ohm's law. Is the experiment correct?...

  18. 2005 Molecular Conduction and Sensors Workshop

    Workshops | 27 Jul 2005

    This is the 3rd in a series of annual workshops on Molecular Conduction. The prior workshops have been at Purdue University, W. Lafayette, IN (2003) and Nothwestern University, Evanston, IL (2004). The workshop has been an informal and open venue for discussing new results, key challenges, and...

  19. An Introduction to BioMEMS and Bionanotechnology

    Courses | 07 Feb 2005 | Contributor(s):: Rashid Bashir

    This lecture series introduces the basic concepts and key topics underlying the interdisciplinary areas of BioMEMS and Bionanotechnology. Advances in this field require the knowledge of polymer processing and soft lithography in addition to knowledge of silicon-inspired fabrication. Since the...

  20. Synthesis & Mechanics of Nanostructures & Nanocomposites

    Presentation Materials | 08 Apr 2005 | Contributor(s):: Rod Ruoff

    Synthesis & Mechanics of Nanostructures & Nanocomposites