Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Progress in near-field photothermal infra-red microspectroscopy.
AU - Hammiche, A.
AU - Bozec, L.
AU - Pollock, Hubert M.
AU - German, M.
AU - Reading, M.
PY - 2004/2
Y1 - 2004/2
N2 - Near-field photothermal Fourier transform infra-red microspectroscopy, which utilizes atomic force microscopy (AFM)-type temperature sensors, is being developed with the aim of achieving a spatial resolution higher than the diffraction limit. Here we report on a new implementation of the technique. Sensitivity of the technique is assessed by recording infra-red spectra from small quantities of analytes and thin films. A photothermomechanical approach, which utilizes conventional AFM probes as temperature sensors, is also discussed based on preliminary results. Early indication suggests that the photothermal approach is more sensitive than the thermomechanical one.
AB - Near-field photothermal Fourier transform infra-red microspectroscopy, which utilizes atomic force microscopy (AFM)-type temperature sensors, is being developed with the aim of achieving a spatial resolution higher than the diffraction limit. Here we report on a new implementation of the technique. Sensitivity of the technique is assessed by recording infra-red spectra from small quantities of analytes and thin films. A photothermomechanical approach, which utilizes conventional AFM probes as temperature sensors, is also discussed based on preliminary results. Early indication suggests that the photothermal approach is more sensitive than the thermomechanical one.
KW - AFM • diffraction limit • FTIR spectroscopy
U2 - 10.1111/j.1365-2818.2004.01292.x
DO - 10.1111/j.1365-2818.2004.01292.x
M3 - Journal article
VL - 213
SP - 129
EP - 134
JO - Journal of Microscopy
JF - Journal of Microscopy
SN - 0022-2720
IS - 2
ER -