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Feynman Lectures 50th anniversary celebration seminar series

Synthesis and applications of multifunctional nanomaterials

Speaker: Stanislaus Wong from State University of New York at Stony Brook

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Scanning probe microscopy

Sponsored by Bruker Nano Surfaces

Bruker’s Inspire™ delivers, for the first time, highest-resolution nanoscale chemical and property mapping combined with radical productivity advances and uncompromised AFM performance. The integrated, self-optimizing system acquires nanoscale infrared absorption and reflection maps at regular AFM imaging speeds, without the limitations of indirect mechanical approaches or added complexity for the user.

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Lab talk

Nanotechnology research highlights: find out what the authors have to say

Understanding the signal in electrochemical strain microscopy

Novel technique measures ion concentration and diffusion qualitatively.

Mechanical properties of coal on the nanoscale

Novel atomic force microscopy methods probe the properties of coal.

The voltage drop across atoms

Atomic-scale voltage drop imaging can be used to improve nanoelectronics.

Nanoscale position sensors: spintronics offer a low-cost alternative to optics

Detecting changes in magnetic field for high-speed sensing.

Seeing atoms under viscous conditions

An unexpected route to high-resolution atomic force microscopy

Calibrating the scanning microwave microscope in situ

An easy route to quantitative nanoscale electrical characterisation at GHz frequencies

Improving contact quality in AFM-based electrical measurements

An appropriate loading force is essential in nanoscale electrical characterization by Conductive Atomic Force Microscopy

Plasmonic nanoscope measures heterogeneous nanostructures

Scanning plasmonic ridge aperture senses changes in refractive index and absorption of nanostructures, which is useful for detecting voids or defects in a sample.

AFM captures dynamics of photodissolution

Continuous imaging during patterned optical illumination allows surface morphology, roughness and particle size distribution to be spatially and statistically monitored as a function of time.

Model interprets dynamic scanning electron microscopy of vibrating cantilevers

Nano-oscillations analysed to further understand scanning probe microscopy techniques.

Mechanical stability defines imaging quality of nanoprobes

Model guides the selection and design of carbon nanotubes as scanning tips and nanomanipulators.

Resist layer correlation joins up nanopatterns

Surface roughness fingerprint allows sub-nanometre positioning without alignment marks.

SPM tip apex defined using field ion microscopy

Analysis reveals atomic structure at the very apex of the probe and will lead to a better understanding of nanoscale mechanics and electronic transport.

Metal-on-silicon FET exhibits graphene-like properties

Dependence of the drain current on the drain voltage has no saturation region, similar to a field-effect transistor based on graphene.

Algorithm investigates different stable states of cantilever oscillation in AFM

Up to three coexisting stable states identified in latest study, which could help experimentalists to obtain superior images.

High-speed AFM revealed in slow motion

Contact mode cantilever dynamics understood in two-part study.

Feeling the heat of pyroelectricity

AFM operating in electrostatic force microscope mode reveals evolution of force gradients in gemstone placed on thermally cycled heating stage.

Nanowire makes a sensitive force sensor

Computer simulations demonstrate potential of optically trapped cylinders as custom probes

CR-AFM maps stiffness and damping with nanoscale resolution

NIST and Intel team up to image advanced semiconductor interconnection structures.

Nano-ponds modify properties of hexagonal boron nitride layers

Confined water could influence operation of ultra-fast h-BN/graphene transistors