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nanotechweb.org in the lab

       

1: Increasing control of optical properties with magnetoplasmonics

Paolo Vavassori describes research combining magnetic properties with plasmonic systems.

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Lab talk

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

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

Multiple-scanning-probe force microscope measures electrical transport in graphene flakes

Four-terminal electrical measurement realized on microscopic structure in air sidesteps the need to lithographically fabricate fixed electrodes

Double-pass force-distance mapping simplifies nanomechanical characterization

Bilkent University team demonstrates a simple method for obtaining high-resolution mechanical maps using AFM set-up

Nanoindentation of myelinated axon evaluates nerve regeneration

Nanomechanical characterization useful for demonstrating structural changes caused by nerve-related diseases

Charge storage observed on mesoscopic graphitic islands

Electrical transport studies reveal unexpected stability of charged state

Rediscovered trapping mechanism favours smaller particles

Under the right conditions AC electrophoresis effects can dominate and lead to more efficient trapping especially for smaller particles or molecules

Single-molecule switching on an insulating surface

Room-temperature manipulation using non-contact AFM could ultimately benefit molecular electronics applications

Planar structure extends lifetime of memristor

Embedded bottom electrode improves endurance of non-volatile memory candidate by permitting kink-free switching layer and top electrode

HV-SSRM profiles carriers in nanowire-based transistors

Imec group maps quantitatively the distribution of active dopants in confined 3D-volumes

Simple EBID process delivers robust nanoneedle AFM probe

Shock-absorbing properties of free-standing carbon pillar suit imaging of challenging samples including biological material