Title :
Mid-infrared absorption nanospectroscopy via molecular force detection
Author :
Feng Lu ; Mingzhou Jin ; Belkin, Mikhail A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We report a highly-sensitive technique to obtain mid-infrared spectra with nanoscale spatial resolution via detecting a mechanical force exerted by vibrating molecules on an atomic force microscope tip. Sub-monolayer sensitivity is demonstrated.
Keywords :
atomic force microscopy; force sensors; infrared spectroscopy; monolayers; atomic force microscope tip; mid-infrared absorption nanospectroscopy; molecular force detection; nanoscale spatial resolution; sub-monolayer sensitivity; vibrating molecules; Absorption; Force; Gold; Nanoscale devices; Quantum cascade lasers; Spatial resolution; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
