Come and join us at TERS6! We’re looking forward to showcasing the PiFM technique and the Vista-IR instrument at the upcoming TERS6 event.  We’ll have many activities during the conference including: Live Demos – Live demonstrations of the instrument and PiFM technique throughout the show, Wednesday (8/16), Thursday (8/17) and Friday (8/18) Your Samples – […] Read more

Nanoscale Chemical Mapping with Extreme Surface Sensitivity

Since the dipole-dipole interaction between the induced sample dipole and the image tip dipole varies with ~ 1/z4 dependence where z is the tip-sample spacing, PiFM is expected to provide extreme surface sensitivity. We use PS(polystyrene)-b-PTMSS[poly(4-trimethylsilylstyrene)] block copolymer (BCP) with horizontal lamellae to demonstrate the surface sensitivity. The pitch L0 of the BCP is ~22 […] Read more

PiFm image of PS-b-PMMA

Our Paper “Nanoscale chemical imaging by photo-induced force microscopy” Published Today

Our paper titled “Nanoscale chemical imaging by photo-induced force microscopy” is published on the online publication of Science journal, Science Advances, today. The paper introduces infrared PiFM imaging on two block copolymer systems, PS-b-PMMA and PS-b-P2VP. By using infrared wavelengths that correspond to the absorption bands for each of the polymer components, each chemical component […] Read more