His current research interests include biochemical sensors based on AFM Technology; Chemical surface identification
on the nanometre scale with AFM; Nanomechanics, nanorobotics and molecular devices at the ultimate limits of measurement and fabrication; Atomic Force microscopy research on insulators; Single Spin Magnetic Resonance Force Microscopy (MRFM) and Self - organization and self - assembly at the nanometre scale.
Nature 2013, 500, 54 — 58 — Nature News, News & Views Sensitive probing of temperature variations
on nanometre scales is an outstanding challenge in many areas of modern science and technology.
Not exact matches
The gold particles
on the plate act as nano - optics and make it possible to focus a beam of light below the diffraction limit so as to precisely measure something that is very small — right down to 20
nanometres.
Measuring just 3 by 4
nanometres, around 20,000 of the cars could be parked
on the tip of a human hair.
Here, cloud formation depends partly
on trace gases condensing to form particles just 1
nanometre across, which can then grow large enough to act as CCNs.
In a paper published in EPJ B, the authors study how the crystal periodicity affects the motion of ions whose energy belongs to a 1 to 2 MeV range, as they are transmitted through very thin crystals
on the order of a few hundred
nanometres, and how it impacts their angular distribution.
Solid chips of metal about 20
nanometres across will slide through carbon nanotubes when an electric current is switched
on.
Today, shrunk to just
nanometres across and carved into beds of silicon, these electrical
on - off switches mass in their billions
on every single computer chip.
What is so interesting about this work is that it relies
on an advanced process of fabricating much thinner crystals than was previously possible, reaching 55
nanometres.
The researchers succeeded in changing the DNA of the E coli bacteria in such a way that the substance CB [8](a small molecule of two
nanometres in size with a namederived from the resemblance of this molecule with a pumpkin of the family of Cucurbitaceae) attaches to a protein
on the cell membrane.
«This force of one hundred femtoNewton that presses
on a molecule of one
nanometre can be compared with the force of a grain of sand
on a person's shoulder.
To do so, the team dried a silica - based gel
on glass slides, creating layers of 20 -
nanometre silica particles.
And these strips were just 1.5
nanometres wide, allowing any transistors built
on them to be ultra-tiny (Nature Physics, doi.org/jtg).
To carry out the study, the team has analysed how different carbohydrates act
on the surface of silver nanoparticles (Ag - NP) of around 50
nanometres, which have been introduced into cultures of liver cells and tumour cells from the nervous system of mice.
The spin wave circuit that the researchers built, consists of a 200
nanometre thin layer of yttrium iron garnet (a mineral and magnetic insulator, YIG in short), with a conducting platinum strip
on top of that
on both sides.
The technique is highly sensitive as even tiny amounts of insulating residue, just a few
nanometres thick, can prevent polymer deposition
on the metal below.
With the methods used, it is now possible to study not only ore particles
on the ocean floor in the range of millimetre to
nanometre, but also the smallest fossils and living organisms, such as micro-organisms.
Scientists from MIPT have succeeded in growing ultra-thin (2.5 -
nanometre) ferroelectric films based
on hafnium oxide that could potentially be used to develop non-volatile memory elements called ferroelectric tunnel junctions.
Like leaves, biofilms also have rough structures both
on the micrometre and the
nanometre scale, making them resistant to wetting with water.
«As the strength of the van der Waals forces depends
on the composition of a material to depths of up to 100
nanometres, carefully designing the layer structure at the surface of a material can reduce friction.
If laser light with a wavelength 1064
nanometres — which is in the infrared region of the spectrum — is shone
on a crystal of the material, some of the light emerges as green light with a wavelength of precisely 532
nanometres.
Keeping electrons
on track is easy: they obediently confine themselves to metal wires as thin as a few
nanometres across.
When switched
on by 450
nanometre wavelength light waves,
on the other hand, the structures reorientate such that the bacteria cells can dock
on once again.
These materials are made up of quantum wires that are between 2 and 3
nanometres wide, and because the width of the wires has an important effect
on the time it takes luminescence to decay, wires thinner than 1.5
nanometres will be needed before nanosecond times are possible.
They coated one side of a 4.5 - millimetre - diameter lens with a gold film 30
nanometre thick, and laid the lens — gold - side down —
on a flat glass slide which was also coated with film of gold.
Because the current depends very sensitively
on this distance, by scanning the tip over the sample surface it is possible to obtain an image of the surface with a resolution of only a few
nanometres.
Furthermore, the microscope will be capable of performing live - cell super-resolution imaging through structured illumination microscopy (SIM) and Super-Resolution Radial Fluctuations (SRRF); for fixed cells resolutions
on the scale of tens of
nanometres will be achievable using single molecule localization microscopy (SMLM) techniques.
We aim to push its limits
on all fronts to establish a technique which combines
nanometre 3D resolution with maximum labelling efficiencies, absolute measurements of protein copy numbers, precise multi-colour measurements, high - throughput for large scale statistics and novel data analysis approaches, to address the vast array of exciting biological questions at the nanoscale, which are becoming accessible only now.
Apparently those leaked specs in June were spot
on, which would mean a specially built ARM multicore chip clocked at 3.1 GHz with a custom 28
nanometre graphics processor by graphic specialists AMD and 5 GB of RAM.
Brownian motion of course premises
on fluid volume, and the distances are
nanometres — quite different from the empty space ideal gas scenario they give of their molecules zipping at great speeds covering huge distances in empty space.
Based
on the 10 -
nanometre technology, the processor is expected to provide better battery life and performance to users.
The new chip released by Bitmaintwo weeks ago is still based
on 28
nanometre process.