Anasys Instruments, the company that pioneered
nanoscale thermal analysis and nanoscale IR spectroscopy using an AFM, is
pleased to announce further capabilities for their nanoIR nanoscale infrared
spectroscopy system.
The availability of arbitrary polarization control enables the user to measure
and visualize molecular orientation with nanoscale spatial
resolution. This is useful in a variety of applications where the
understanding molecular orientation is important. One of the most exciting
applications is the study of polymeric fibers where molecular orientation is
vital to controlling their properties.
This work is underscored during this year's Pittsburgh Conference being held in
Orlando. Professor Bruce Chase from the University of Delaware is to deliver an
invited talk on the structure and orientation in electrospun nanofibers. His
keynote presentation will include spatially resolved measurements of molecular
orientation obtained by a technique combining atomic force microscopy and
infrared spectroscopy (AFM-IR). The measurements were performed in
collaboration with Anasys Instruments using an AFM-IR instrument incorporating
the new arbitrary polarization angle control capability. By measuring the
infrared absorption of a sample locally as a function of polarization angle, it
is possible to identify regions that have a high degree of molecular
orientation. Being able to control molecular orientation is a critically
important technology for improving the performance of polymers. The new
polarization control capability provides this ability to observe molecular orientation
with high spatial resolution at the nanoscale.
For further details come to the Anasys Instruments booth at Pittcon, #823, or
visit
www.anasysinstruments.com
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