Nanoscale Mechanical Manipulation of Ultrathin SiN Membranes Enabling Infrared Near‐Field Microscopy of Liquid‐Immersed samples
Abstract: Scattering scanning near‐field optical microscopy (s‐SNOM) is a powerful technique for mid‐infrared spectroscopy at nanometer length scales. By investigating objects in aqueous environments through ultrathin membranes, s‐SNOM has recently been extended toward label‐free nanoscopy of the dynamics of living cells and nanoparticles, assessing both the optical and the mechanical interactions between the tip, the membrane and the liquid suspension underneath. Here, the study reports that the tapping AFM tip induces a reversible nanometric deformation of the membrane manifested as either an indentation or protrusion. This mechanism depends on the driving force of the tapping cantilever, which is exploited to minimize topographical deformations of the membrane to improve optical measurements. Furthermore, it is shown that the tapping phase delay between driving signal and tip oscillation is a highly sensitive observable to study the mechanics of adhering objects, exhibiting highest contrast at low tapping amplitudes where the membrane remains nearly flat. Mechanical responses are correlated with simultaneously recorded spectroscopy data to reveal the thickness of nanometric water layers between membrane and adhering objects. Besides a general applicability of depth profiling, the technique holds great promise for studying mechano‐active biopolymers and living cells, biomaterials that exhibit complex behaviors when under a mechanical load.
- Standort
-
Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
-
Online-Ressource
- Sprache
-
Englisch
- Erschienen in
-
Nanoscale Mechanical Manipulation of Ultrathin SiN Membranes Enabling Infrared Near‐Field Microscopy of Liquid‐Immersed samples ; day:15 ; month:08 ; year:2024 ; extent:10
Small ; (15.08.2024) (gesamt 10)
- Urheber
- DOI
-
10.1002/smll.202402568
- URN
-
urn:nbn:de:101:1-2408161412582.609703234931
- Rechteinformation
-
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
-
14.08.2025, 11:00 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Baù, Enrico
- Gölz, Thorsten
- Benoit, Martin
- Tittl, Andreas
- Keilmann, Fritz
Ähnliche Objekte (12)
Toward room-temperature nanoscale skyrmions in ultrathin films
IR and THz near-field microscopy for nanoscale dielectric mapping
Contactless Scanning Near‐Field Optical Dilatometry Imaging at the Nanoscale
Nanoscale surface-polariton spectroscopy by mid- and far-infrared near-field microscopy
Detection and Signal Processing for Near‐Field Nanoscale Fourier Transform Infrared Spectroscopy
Nanoscale non-collinear magnetic structures in Co-based epitaxial ultrathin films
Transparent and ‘opaque’ conducting electrodes for ultra-thin highly-efficient near-field thermophotovoltaic cells
Hard X-ray nanoscale Imaging of Carbon Fibre Composites using Near-Field Ptychography
Exploiting Phonon‐Resonant Near‐Field Interaction for the Nanoscale Investigation of Extended Defects
Exploiting Phonon-Resonant Near-Field Interaction for the Nanoscale Investigation of Extended Defects
Enabling nanoscale flexoelectricity at extreme temperature by tuning cation diffusion
Multigrid solvers for immersed finite element methods and immersed isogeometric analysis
Toward room-temperature nanoscale skyrmions in ultrathin films
IR and THz near-field microscopy for nanoscale dielectric mapping
Contactless Scanning Near‐Field Optical Dilatometry Imaging at the Nanoscale
Nanoscale surface-polariton spectroscopy by mid- and far-infrared near-field microscopy
Detection and Signal Processing for Near‐Field Nanoscale Fourier Transform Infrared Spectroscopy
Nanoscale non-collinear magnetic structures in Co-based epitaxial ultrathin films
Transparent and ‘opaque’ conducting electrodes for ultra-thin highly-efficient near-field thermophotovoltaic cells
Hard X-ray nanoscale Imaging of Carbon Fibre Composites using Near-Field Ptychography
Exploiting Phonon‐Resonant Near‐Field Interaction for the Nanoscale Investigation of Extended Defects
Exploiting Phonon-Resonant Near-Field Interaction for the Nanoscale Investigation of Extended Defects
Enabling nanoscale flexoelectricity at extreme temperature by tuning cation diffusion
Multigrid solvers for immersed finite element methods and immersed isogeometric analysis
Toward room-temperature nanoscale skyrmions in ultrathin films
IR and THz near-field microscopy for nanoscale dielectric mapping
Contactless Scanning Near‐Field Optical Dilatometry Imaging at the Nanoscale
Nanoscale surface-polariton spectroscopy by mid- and far-infrared near-field microscopy
Detection and Signal Processing for Near‐Field Nanoscale Fourier Transform Infrared Spectroscopy
Nanoscale non-collinear magnetic structures in Co-based epitaxial ultrathin films
Transparent and ‘opaque’ conducting electrodes for ultra-thin highly-efficient near-field thermophotovoltaic cells
Hard X-ray nanoscale Imaging of Carbon Fibre Composites using Near-Field Ptychography
Exploiting Phonon‐Resonant Near‐Field Interaction for the Nanoscale Investigation of Extended Defects
Exploiting Phonon-Resonant Near-Field Interaction for the Nanoscale Investigation of Extended Defects
Enabling nanoscale flexoelectricity at extreme temperature by tuning cation diffusion