Search Results - physics

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Mono-Layer and Multi-Layer Nanowire Networks

The fabrication of nanoscale materials (by both bottom-up and top-down routes) has been driven by miniaturization of devices and the limitations of Si COMS technology. Research using one-dimensional nano-wires and nanotubes to fabricate nanodevices has demonstrated their potential applications, including field effect transistors, nano-biosensors, solar...

Published: 7/24/2009 | Updated: 7/20/2009 | Inventor(s): Jun Jiao, Haiyan Li

Keywords(s): Nanotechnology, Physics

Category(s): Nanoscience & Microtechnologies

Synthesis of Nanoscale Structures in Defined Locations

Since their discovery in 1991 by microscopist Sumio Iijima, carbon nanotubes have intrigued researchers with their structures and the applications enabled by their unique physical properties. Nanotubes exhibit high chemical resistance and mechanical strength, among other desirable physical properties. However, one ongoing challenge to exploiting these...

Published: 7/24/2009 | Updated: 7/20/2009 | Inventor(s): Jun Jiao, Lifeng Dong, Sean Foxley, David Tuggle

Keywords(s): Nanotechnology, Physics

Category(s): Nanoscience & Microtechnologies

Biosensors Through Impedance Spectroscopy

Biosensors are analytical devices that combine biologically sensitive elements with optical, chemical, or mechanical transducers for selectively and quantitatively detecting biomolecules. PSU researchers have developed a novel biosensor technology, utilizing nano-particles, that can simultaneously detect and quantify both antigens and antibodies within...

Published: 7/20/2009 | Updated: 7/20/2009 | Inventor(s): Rajendra Solanki

Keywords(s): Nanotechnology, Physics

Category(s): Diagnostics

Nanocrystal Strucutre Identification

This project involves methods for identifying crystal structures through analysis of their x-ray diffraction patterns. The current incarnation of the intellectual property on which this proposal will improve is currently available to the research community through a website at PSU. It’s utility to the community has been demonstrated by high website...

Published: 7/20/2009 | Updated: 7/20/2009 | Inventor(s): Peter Moeck

Keywords(s): Physics

Category(s): Research tools

Scanning Probe Microscope Calibration

This project involves methods for calibrating scanning probe microscopes by evaluating the two dimensional symmetry of images taken of two dimensional periodic calibration standards. Initial work on this innovation has resulted in proof of concept, and a PSU patent on this method is being filed currently. The prototype of this project is a tool that...

Published: 7/20/2009 | Updated: 7/20/2009 | Inventor(s): Peter Moeck

Keywords(s): Nanotechnology, Physics

Category(s): Diagnostics

Shear-Force Ultrasonic Near-Field Microscope

The Shear-Force Ultrasonic Near-Field Microscope (SUNM) is a nanometrology tool for surface and subsurface materials characterization, including the dynamic behavior of fluid-like mesoscopic films confined between two sliding solid boundaries. By mechanically exciting the film and detecting the resulting sound emitted, the elastic properties of the...

Published: 7/30/2009 | Updated: 6/3/2009 | Inventor(s): Andres Larosa, Richard Nordstrom

Keywords(s): Mechanical & Materials Engineering, Microscopy, Nanotechnology, Physics

Category(s): Physical Science