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nanoGUNE reaches new depths in infrared nanospectroscopy


Researchers from the Nanooptics Group at CIC nanoGUNE demonstrate that nanoscale infrared imaging – which is established as a surface-sensitive technique – can be employed for chemical nanoidentification of materials that are located up to 100 nm below the surface. The results further show that the infrared signatures of thin surface layers differ from that of subsurface layers of the same material, which can be exploited to distinguish the two cases. The findings, recently published in Nature Communications, push the technique one important step further to quantitative chemometrics at the nanoscale in three dimensions.

Nature Communications: Correlative infrared-electron nanoscopy


A new nanoimaging method for resolving the interplay between local structure, conductivity, and chemical composition

Nanooptics article winner in the CeNS Publication Award 2011


The article “Infrared-Spectroscopic Nanoimaging with a Thermal Source” a collaborative work between researchers of the nanooptics groups and Neaspec GmbH has been awarded the Publication Award 2011 from the Center for NanoScience in Munich for their work on near-field spectroscopy with a thermal source (more info). With this award, remarkably successful cooperation projects as well as outstanding research of an individual or research group are distinguished by CeNS.

Nature Materials: Nano-FTIR – Nanoscale Infrared Spectroscopy with a Thermal Source


Researchers from the nanoscience research center CIC nanoGUNE (San Sebastián, Spain) and Neaspec GmbH (Martinsried, Germany) have developed an instrument that allows for recording infrared spectra with a thermal source at a resolution that is 100 times better than in conventional infrared spectroscopy. In future, the technique could be applied for analyzing the local chemical composition and structure of nanoscale materials in polymer composites, semiconductor devices, minerals or biological tissue (F. Huth et al., Nature Materials 10, 352 (2011)).