Scanning probe microscopy
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A new breakthrough in BioAFM, the Hydra™ resolves many of the limitations of BioAFM, opening new horizons for the application of AFM in biology.
Lab talk
Nanotechnology research highlights: find out what the authors have to say
Nano-ponds modify properties of hexagonal boron nitride layers
Apr 26, 2012 1 comment
Confined water could influence operation of ultra-fast h-BN/graphene transistors
Lissajous scan trajectories speed up scanning probe microscopy
Apr 20, 2012
Non-raster scan trajectories give a rapid preview of the entire sample area with a resolution that increases uniformly in time and space
Coaxial Kelvin probe sharpens work-function images
Apr 3, 2012
Shielded AFM probe enhances spatial resolution and helps to avoid topographical artifacts by confining the electric field to a region directly below the tip
Understanding nonvolatile memory phenomena in graphene-polymer devices
Mar 14, 2012
Embedded multilayer graphene film acts as charge trapping layer and changes the current state of the memory device in response to externally applied bias
Nanocomposite study explores link between macro- and nanoscale behaviour
Mar 2, 2012
AFM nanoindentation results compared with macroscale tensile testing data to correlate surface properties of cellulose nanocrystal-based composites with bulk performance
Scanning probe lithography: ultrasonic vibration assisted nanomachining with an AFM
Feb 22, 2012
Controlled ultrasonic tip-sample vibration increases patterning speed and allows tunable feature dimensions
Probing delicate samples: stiff AFM mechanics at soft forces
Feb 3, 2012
Higher-order resonances allow low-force nanomechanical characterization
Biocompatible plasmonic substrates assembled for single-molecule detection
Jan 20, 2012
Small clusters of anisotropic silver nanoparticles enveloped in a shell of chitosan biopolymer operate as highly active SERS substrates
Diffraction grating reduces noise of coated AFM cantilevers
Jan 5, 2012
Special coating pattern based on Fresnel lens reduces the impact of detection-, force- and displacement-noise in atomic force microscopy
DNA nanoswitch flips open with force
Dec 14, 2011
Harvard team engineers DNA-based tool for studying biomolecular interactions
ATP hydrolysis drives microcantilever bending
Dec 8, 2011
Nanomechanical response is dependent on the monolayer arrangement of ATPases at the cantilever surface
From single-atom magnetometry to tailor-made magnets
Dec 2, 2011
Knowledge of atomic-scale interactions in solids informs material design
Sub-pm deformations reveal ferroelectric domains
Nov 28, 2011
Improved understanding of piezoresponse force microscopy detection mechanism leads to quantitative analysis of data beyond simple mapping of domain patterns
New approach to scalable nano-patterning of graphene
Nov 23, 2011
Laser ablation-induced shock pressure method delivers nanoscale features in an easy, fast and scalable manner
Band excitation: a new approach for SPM operation
Nov 18, 2011
Full spectral technique enables unambiguous and cross-talk-free probing of local energy losses and dissipation
Vibrometer-based model enables accurate measurements in liquid with existing AFM hardware
Nov 9, 2011
Quantitative force and dissipation measurements at the solid-liquid interface performed using acoustic excitation thanks to whole cantilever analysis
AFM model evaluates true height of water layers
Oct 27, 2011
Study shows when water is being perturbed and distinguishes between four different interaction regimes
High-temperature sensing with quantum dots
Oct 13, 2011
Team examines behaviour of nanomaterials at elevated temperatures to inform the development of quantum-dot based optoelectronics
Metallized recombinant S-layer protein nanotubes prepared for nanobiotechnology applications
Sep 30, 2011
Conductive self-assembling bacterial surface layer tubes could help to reduce the size of electronic devices
Playing Lego bricks with nanostructures
Sep 26, 2011
Fast and easy nanoimprint stacking process transforms single layer negative index materials into 3D structures