Your Nanoelectromechanical Systems(nems) Subgroup at Northwestern Recently Created a Nano Fountain Active Probe. What Is That, and What Uses Will It Have?
نویسنده
چکیده
Dr. Horacio Espinosa is a mechanical engineering professor at Northwestern University. He has been engaged in teaching and research at Northwestern University since 2000, and he has become an authority on the subjects of nanomechanics and the dynamic failure of nanomaterials. Besides teaching and research, he currently serves as editor for the Journal of Experimental Mechanics and the Journal of Applied Mechanics.
منابع مشابه
Surface adsorbate fluctuations and noise in nanoelectromechanical systems.
Physisorption on solid surfaces is important in both fundamental studies and technology. Adsorbates can also be critical for the performance of miniature electromechanical resonators and sensors. Advances in resonant nanoelectromechanical systems (NEMS), particularly mass sensitivity attaining the single-molecule level, make it possible to probe surface physics in a new regime, where a small nu...
متن کاملMultiplexed optical operation of distributed nanoelectromechanical systems arrays.
We report a versatile all optical technique to excite and read-out a distributed nanoelectromechanical systems (NEMS) array. The NEMS array is driven by a distributed, intensity modulated optical pump through the photothermal effect. The ensuing vibrational response of the array is multiplexed onto a single probe beam in the form of a high frequency phase modulation. The phase modulation is opt...
متن کاملMotion transduction in nanoelectromechanical systems (NEMS) arrays using near-field optomechanical coupling.
Development of efficient and sensitive motion transducers for arrays of nanoelectromechanical systems (NEMS) is important for fundamental research as well as for technological applications. Here, we report a single-wire nanomechanical transducer interface, which relies upon near-field optomechanical interactions. This multiplexed transducer interface comes in the form of a single-mode fiber tap...
متن کاملHybrid Nanorobotic Approaches to NEMS
Robotic manipulation at the nanometer scale is a promising technology for structuring, characterizing and assembling nano building blocks into nanoelectromechanical systems (NEMS). Combined with recently developed nanofabrication processes, a hybrid approach to building NEMS from individual carbon nanotubes (CNTs) and SiGe/Si nanocoils is described. Nanosensors and nanoactuators are investigate...
متن کاملNanoelectromechanical resonator arrays for ultrafast, gas-phase chromatographic chemical analysis.
Miniaturized gas chromatography (GC) systems can provide fast, quantitative analysis of chemical vapors in an ultrasmall package. We describe a chemical sensor technology based on resonant nanoelectromechanical systems (NEMS) mass detectors that provides the speed, sensitivity, specificity, and size required by the microscale GC paradigm. Such NEMS sensors have demonstrated detection of subpart...
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تاریخ انتشار 2008