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Scanning probe microscopy

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PeakForce Tapping™ is the most significant breakthrough in AFM technology since the advent of TappingMode™. By applying a precisely controlled force response curve at every pixel, PeakForce Tapping permits the use of reduced imaging forces, protecting both fragile probes and samples with no decrease in image resolution.

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Lab talk

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

Scanning probe lithography: ultrasonic vibration assisted nanomachining with an AFM

Controlled ultrasonic tip-sample vibration increases patterning speed and allows tunable feature dimensions

Probing delicate samples: stiff AFM mechanics at soft forces

Higher-order resonances allow low-force nanomechanical characterization

Biocompatible plasmonic substrates assembled for single-molecule detection

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

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

Harvard team engineers DNA-based tool for studying biomolecular interactions

ATP hydrolysis drives microcantilever bending

Nanomechanical response is dependent on the monolayer arrangement of ATPases at the cantilever surface

From single-atom magnetometry to tailor-made magnets

Knowledge of atomic-scale interactions in solids informs material design

Sub-pm deformations reveal ferroelectric domains

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

Laser ablation-induced shock pressure method delivers nanoscale features in an easy, fast and scalable manner

Band excitation: a new approach for SPM operation

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

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

Study shows when water is being perturbed and distinguishes between four different interaction regimes

High-temperature sensing with quantum dots

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

Conductive self-assembling bacterial surface layer tubes could help to reduce the size of electronic devices

Playing Lego bricks with nanostructures

Fast and easy nanoimprint stacking process transforms single layer negative index materials into 3D structures

Versatile nano-tensile testing platform available for TEM

Uni-axial testing tool allows evolution of internal sample structure to be observed in real time

Force modulation improves nanoscale conductivity

Tiny dithering motion delivers more current and results in less wear of conductive AFM probes

AFM-SEM combination records mechanical behaviour of nanofibres

In situ mechanical test incorporates ‘true’ AFM force spectroscopy with the imaging capabilities of high resolution SEM

Tracking down leakage currents in nanodevices

Low-temperature local imaging finds weak points in nanostructures fabricated by local anodic oxidation

Water keeps nanoparticle size under 3 nm diameter

University of Leicester team probes mechanism to inform production of fluorescent silicon nanoparticles