nano FTIR spectroscopy and 10nm s-SNOM chemical imaging

10nm spatial resolution chemical imaging with monolayer sensitivity

Monolayer sensitivity demonstrated showing distribution on protein within the lipid membranes-SNOM phase image with IR source tuned to the amide I absorption band at 1660 cm-1

Highest performance nano FTIR spectroscopy

•• Highest•performance•IR•SNOM•spectroscopy•with•the•most•advanced•nanoIR•laser•source•available••• nano•FTIR•spectroscopy•with•integrated•DFG,•continuum•based•laser•source•• Broadband•synchrotron•light•source•integration•• Multi-chip•QCL•laser•source•for•spectroscopy•and•chemical•imaging

Ultrafast-broadband scattering SNOM spectroscopy probing molecular vibrational information. Laser interferogram of Polytetrafluoroethylene (PTFE) shows coherent molecular vibration in the form of free-induction decay in time domain (top). The highlighted feature in sample interferogram is due to the beating of symmetric and antisymmetric mode of C-F modes in the resulting the frequency domain (bottom left). Monolayer sensitivity of nano-FTIR is demonstrated on a monolayer pNTP (bottom right). Data courtesy of Prof. Markus Raschke, University of Colorado, Boulder, US

Graphene plasmons showing 8nm spatial resolution. (Scale bar 400nm)

Femtosecond broadband nano FTIR spectroscopy

Correlative microscopy with nanoIR and materials property mapping

Complementary IR, s-SNOM, and AFM-IR techniques

Fully featured, high resolution AFM with electrical, mechanical and thermal modes

Correlative microscopy provides new insights into material science

Correlative analysis of spatial map reconstructed from separate correlated AFM and chemical measurements reveal molecular orientation of vacuum-deposited PTCDA

defects. The green population has the a axis of PTCDA parallel to the surface normal, with light blue regions uplifted with the a axis parallel to the surface normal, uplifted

regions with the a axis oriented away from the surface normal (red), and regions with less coverage and a axis oriented away from the surface normal (yellow). The

substrate is dark blue. Science Advances, 2 (10), e1601006 - E. A. Muller, et al.

Scattering SNOM and AFM-IR provide unique data sets

•• nanoIR2-s•enables•combined•s-SNOM•and•AFM-IR•to•create•complementary•and•unique•data•sets

Complementary AFM-IR and Scattering SNOM images reveal, for the first time, the microscale origins of optical chirality on plasmonics structures. By accessing both the radiative (s-SNOM) and non-radiative (AFM-IR) information on plasmonics structures,

unique and complementary plasmonic properties can be obtained. Khanikaev et al., Nat. Comm. 7, 12045 (‘16). Doi:10.1038/ncomms12045

Fully featured AFM with unique property mapping capabilities

•• Integrated•fully•featured•AFM•with•high•resolution•imaging••• Nanoscale•property•mapping•with•thermal•mechanical•and•electrical•modes•• Environmental•control•options•provide•flexibility•for•experimentation

Intercalated Epitaxial Graphene on SiC

Substrate. Courtesy NPL, UK

•• Correlated•nanoscale•chemical•imaging•and•material•property•mapping•reveal•molecular•orientation•and•material•structure

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