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Characterization, Nanometrology, and Nanoscale Measurements Programs & Projects

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DNA Origami for Precise Manufacturing of Nanoscale Structures
Last Updated Date: 06/28/2013

Over the past decade nanoscale science has produced varied and fascinating nanostructures with an extraordinary range of interesting and useful … more

Fluctuations and Nanoscale Control Software
Last Updated Date: 04/14/2013

MATLAB Software [1-2] developed and referenced within Fluctuations and Nanoscale Control projects are available for download from this page. If you … more

Structure, Defects, and Scattering in Graphene
Last Updated Date: 04/10/2013

Since its discovery, graphene, a single atomic sheet of carbon atoms, has become a leading contender to be a key building-block material for … more

Theory of Transport in Graphene
Last Updated Date: 03/21/2013

Graphene, a single layer of carbon atoms, is one of the most likely materials to produce the next breakthrough in the electronics industry.  Ideal … more

Real-Time Tracking and Fluorescence Spectroscopy of Individual Nanoparticles
Last Updated Date: 12/26/2012

The behavior and properties of macroscale objects are stable and predictable because they are the result of the average behavior of very large … more

Thin Film X-Ray Reflectometry
Last Updated Date: 10/09/2012

Our goal is to develop Standard Reference Materials (SRMs) and quantitative, reproducible X-ray reflectometry (XRR) data analysis methods to … more

Assessing the Internal Structure and Composition of Climatically-Relevant Atmospheric Particles
Last Updated Date: 10/02/2012

Atmospheric particles with long atmospheric lifetimes affect Earth's radiative balance. These particles typically consist of multiple chemical … more

Trophic Transfer of Nanoparticles in a Simplified Invertebrate Food Web
Last Updated Date: 10/02/2012

We demonstrated that carboxylated and biotinylated quantum dots (QDs) can be transferred to higher trophic organisms (rotifers) through dietary … more

Evaluation of the Extent of Electron Scattering in a Low Vacuum Scanning Electron Microscope
Last Updated Date: 10/02/2012

Low vacuum scanning electron microscopes utilize gas molecules in the specimen chamber to neutralize the specimen charging from the impinging … more

DTSA-II Reinvention of a Classic
Last Updated Date: 10/02/2012

The original NBS/NIH DTSA (Desktop Spectrum Analyzer) software was widely used in the x-ray microanalysis research community. The combination of … more

Atomic Scale Imaging of Nanoscale Structures with Elemental Sensitivity in the NIST Titan 80-300
Last Updated Date: 10/02/2012

The characterization of CdSe/ZnS quantum dot structures has been carried out with compositionally sensitive imaging techniques utilizing the … more

Analysis of Copper Incorporation Into Zinc Oxide Nanowires
Last Updated Date: 10/02/2012

ZnO nanowires (NWs) are grown on bulk copper by chemical vapor deposition. Photoluminescence (PL) microscopy revealed band gap emission at 380 nm … more

Analysis of 3D Elemental Mapping Artifacts in Biological Specimens using Monte Carlo Simulation
Last Updated Date: 10/02/2012

We performed Monte Carlo simulation to demonstrate the feasibility of using the focused ion beam based X-ray microanalysis technique (FIB-EDS) for … more

3D Elemental Mapping of Cells using Electron and Ion Beams
Last Updated Date: 10/02/2012

Although it is the most commonly used technique for the chemical analysis of cells, mass spectrometry of cell lysate can only provide bulk … more

Metrology of High Current Density Electron Field Emitters
Last Updated Date: 07/10/2012

Electron sources are ubiquitous in vacuum based electronics and are used for a variety of purposes.  These applications range from x-ray production … more

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