Using submicron synchrotron x-ray beam, a group of scientists led by the Geophysical Laboratory's Ho - kwang «Dave» Mao, have studied the loading behavior of the DAC up to 400 GPa.
Using a submicron X-ray beam and transmission electron microscopy, they were able to spatially resolve the local structure of the three main regions of human hair: medulla, cortex and cuticle.
«It also highlights the importance of
using a submicron X-ray beam to unravel the structures of poorly ordered, multiphase systems such as hair.»
«I wanted to
use a submicron X-ray beam, so I asked colleague Kenneth Evans - Lutterodt to perform an experiment on the microdiffraction beamline at Brookhaven National Laboratory,» she added.
Not exact matches
«You
use the laser to burn off
submicron layers.»
To characterize the material behavior of the early stage damage, the researchers
used a technique known as Depth Sensing Indentation (DSI) or «nanoindentation,» whereby a
submicron probe is forced into the sample while the load and displacement are monitored.
Using photolithography and re-flow processing, Abadi's substrates are patterned at the micron and
submicron levels, approximating the natural physical forces cells experience.
«To avoid
using these extra coatings we fabricated a
submicron structure
using a simple wet treatment directly into the silicon surfaces to give the cell its own antireflective coating.»