Synchrotron infrared nano-spectroscopy and -imaging |
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| Institution: | 1. Advanced Light Source Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;2. Department of Physics, Department of Chemistry, and JILA, University of Colorado, Boulder, CO 80309, USA;1. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;2. The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA;1. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Beijing, 100049, PR China;2. Department of Materials Science and Engineering, Southern University of Science and Technology, ShenZhen, GuangDong, 518055, PR China;3. INFN – Laboratori Nazionali di Frascati, Via E. Fermi 40, Frascati, 00044, Italy;4. AECC-Beijing Institute of Aeronautical Materials, Beijing 100095, PR China;5. College of Chemistry and Material Science, Shandong Agricultural University, 271018, Taian, Shandong, PR China;6. RICMASS, Rome International Center for Materials Science Superstripes, Via dei Sabelli 119A, 00185 Rome, Italy;1. Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Interface Analytics Department, Schwarzschildstr. 8, D-12489, Berlin, Germany;2. Technische Universität Berlin, Institut für Festkörperphysik, Hardenbergstr. 36, D-10623, Berlin, Germany;3. Physikalisches Institut, Universität Würzburg, Am Hubland, D-97074, Würzburg, Germany;4. Theoretische Physik, Universität Paderborn, Warburger Str. 100, D-33090, Paderborn, Germany;5. Institut für Theoretische Physik and Center for Materials Research (LaMa), Justus-Liebig-Universität, Heinrich-Buff-Ring 16, D-35392, Gießen, Germany;1. Pohang Accelerator Laboratory, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea;2. Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, South Korea;1. School of Pharmaceutical Sciences, Anhui University of Chinese Medicine, Hefei 230038, China;2. Center for Pharmaceutical Preparations, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China;3. School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai 201418, China;4. Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China;5. College of Life Sciences, Jilin University, Changchun 130012, China |
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| Abstract: | Infrared (IR) spectroscopy has evolved into a powerful analytical technique to probe molecular and lattice vibrations, low-energy electronic excitations and correlations, and related collective surface plasmon, phonon, or other polaritonic resonances. In combination with scanning probe microscopy, near-field infrared nano-spectroscopy and -imaging techniques have recently emerged as a frontier in imaging science, enabling the study of complex heterogeneous materials with simultaneous nanoscale spatial resolution and chemical and quantum state spectroscopic specificity. Here, we describe synchrotron infrared nano-spectroscopy (SINS), which takes advantage of the low-noise, broadband, high spectral irradiance, and coherence of synchrotron infrared radiation for near-field infrared measurements across the mid- to far-infrared with nanometer spatial resolution. This powerful combination provides a qualitatively new form of broadband spatio-spectral analysis of nanoscale, mesoscale, and surface phenomena that were previously difficult to study with IR techniques, or even any form of micro-spectroscopy in general. We review the development of SINS, describe its technical implementations, and highlight selected examples representative of the rapidly growing range of applications in physics, chemistry, biology, materials science, geology, and atmospheric and space sciences. |
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| Keywords: | Synchrotron Infrared Nanospectroscopy Near-field FTIR |
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