Volume 91 Issue 23 | p. 6 | News of The Week
Issue Date: June 10, 2013

Raman Imaging Breaks The Nanometer Barrier

Spectroscopy: Chemical analysis technique uses double-resonance approach to zoom in on single molecules
Department: Science & Technology
News Channels: Nano SCENE, Biological SCENE, Analytical SCENE
Keywords: spectroscopy, Raman, TERS, scanning tunneling microscopy

Raman spectral imaging with resolution better than 1 nm has been achieved by a research team in China, delivering crisper details for chemists to analyze how single molecules behave. Until now, the best spatial resolution for the technique had been in the range of 3 to 15 nm.

“Chemical imaging resolution less than 1 nm is as good as it gets,” says Zachary D. Schultz, a spectroscopic imaging expert at the University of Notre Dame. . . .

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