Sentences with phrase «ion beams»

What the hell are a two dozen paratroopers going to do to a massive radioactive monster that missiles, bombs, bullets, lasers, sound cannons and ion beams couldn't?

This sophisticated accelerator complex will use high - energy, precisely - tailored ion beams to mimic the conditions inside the core of stars and early phase of the universe.

The Effect of p53 Status of Tumor Cells on Radiosensitivity of Irradiated Tumors With Carbon - Ion Beams Compared With γ - Rays or Reactor Neutron Beams

Berkeley Lab's inertial fusion energy research has emphasized ion beams — focused by magnetic fields, not materials like glass, and accelerated by induction accelerators.

At the same time, Berkeley Lab researchers have been studying ion beams for the possible production of fusion through the same process.

Ordinary «bulk» silicon with high concentrations of hydrogen implanted in the crystal lattice showed some promise, but to «dope» silicon in this way meant bombarding it with ion beams, which damages it.

Using ion beams allows medical professionals to calculate exactly where ions need to stop; with precise aiming, they can kill only the tumor cells and spare the vast majority of nearby healthy cells.

But the US team did not have access to a wide range of ion beams, such as those capable of probing the heaviest, most exotic atoms.

By varying the target geometry and laser properties, scientists could find optimal regimes to accelerate high quality, directed ion beams that are currently studied in accompanying experiments.

Porous silicon has been made to glow under many types of excitation, including X-rays, intense pulses of infrared photons, and electron and ion beams.

With this gain, researchers can produce laser - accelerated ion beams at the rate needed for treating patients, reducing the potential treatment time to several minutes, thus saving costs and making the procedure easier for patients to endure.

On the other hand, negative hydrogen / deuterium ion beams sustain the energy - independent neutralization efficiency of ~ 60 %.

«We examined the samples with electron microscopy using thin layers cut out of the composite with ion beams,» explains Tobias Kraus, Division Head for Structure Formation at INM.

Those technologies include the «driver» used to crush the fuel capsule, such as lasers, heavy ion beams, or powerful pulses of electric current.

In nuclear medicine, ion beams — using protons and carbon ions — have been used clinically in the radiotherapy treatment of cancer tumours since the 1990s.

A compact broadband ion beam focusing device based on laser - driven megagauss thermoelectric magnetic fields

Accion Systems is developing revolutionary ion beam propulsion technologies for satellites, that are light, powerful, and affordable.

«Droplet explosion by shock waves, relevant to nuclear medicine: Ion beam cancer therapy could be improved if ion - induced shock waves are discovered.»

This matters for the optimisation of ion - beam cancer therapy, which requires a thorough understanding of the relation between the physical characteristics of the incoming ion beam and its effects on biological tissues.

The researchers used an ion beam to slice off thin sections from the samples, and they used electron microscopy techniques to image the samples and perform elemental analyses.

The isotopes in the sample are formed into an ion beam that is detected at the far end of the mass spectrometer, where the number of isotopes are counted.

They used a scanning electron microscope and focused ion beam to obtain thin - slice images of the membrane, which they analyzed with software, rebuilding the three - dimensional structure of the membranes to determine fuel cell longevity.

My research focus was in the field of ion beam analysis (IBA), which is essentially an offshoot of nuclear physics in which accelerator - based techniques are applied to a large variety of analytical problems, and an opportunity arose for me to continue my work at the National University of Singapore (NUS).

Most of the segments were sent to Eastman - Kodak in the US to take advantage of a new milling technique which uses an ion beam to produce an almost perfect surface.

Chemical imaging involves the use of a laser or ion beam to analyse the sections of skin using a mass spectrometer.

This is a cross-sectional scanning electron microscopy images of a 750 nm period grating fabricated by focused ion beam milling in a 300 nm thick amorphous germanium antimony telluride film on silica.

It will focus the ion beam to ensure that the area being drilled by ions is eroded uniformly.

In the end, the strong separation of negatively charged electrons and now positively charged atoms, or ions, creates the forces that accelerate an ion beam toward the tumor.

Instead of the existing semicircular shape, the new magnet will completely enclose the ion beam.

K. Liu and J. Wu, Reducing adhesion energy of micro-relay electrodes by ion beam synthesized oxide nanolayers, APL Materials, vol.

Weiqing Zheng, a research associate at the Catalysis Center for Energy Innovation, and Liang Wang, an associate scientist in the Department of Mechanical Engineering, examine a sample in a lab with focused ion beam analysis.

Negatively charged electrons in the plasma will neutralize the positively charged ion beam after it leaves the accelerator and zips through the drift line on its way to the target chamber.

Nastasi is co-author of a widely used textbook, «Ion Beam Processing: Fundamentals and Applications,» and edits a handbook on ion beam materials analysis.

The team envisions integration across scales by integrating images from different sources, such as light microscopes, focused ion beam scanning electron microscopes (FIBSEM), and TEM.

We employed self - assembly of Si NDs where ion beam mixing transfers SiO2 to SiOx and subsequent phase separation forms the Si NC in the c - Si / SiO2 / a-Si nanopillar.

«Thanks to a new focused - ion beam sectioning system recently obtained by McGill's Facility for Electron Microscopy Research, we were able to accurately and thinly cut the sample and image the interior of the shell.»

The Center for Nanoscale Materials provided focused ion beam lithography instrument and expertise as well as tools for fabrication of the optical masks.

«A high - energy accelerator would send a particle beam through the target like a bullet through paper,» Kwan says, «but our ion beam is optimized to deposit most of its energy in the target itself, heating it instantly to warm dense matter.»

To characterize the tissue architecture associated to dysfunctional states of the immune system in cancer settings, we make use of both confocal fluorescent microscopy and multiplexed secondary ion beam imaging.

When the charged beam reaches the end of the linac, eponymous «neutralized drift compression» takes over: plasma is injected to neutralize the ion beam; the ion bunches are squeezed radially by magnetic fields while the tails of the bunches are allowed to catch up to their heads, forming a compact, focused beam at the precise moment it hits the target.

An opportunity exists to work with the Surrey Ion Beam Centre as a Liaison Fellow in the application of ion beam analysis using RBS, PIXE and other complementary measurements.

The Center for Accelerator Mass Spectrometry uses unique and state - of - the - art instrumentation to perform ultrasensitive isotope ratio measurements and ion beam analysis

Finally you could fire an ion beam at the asteroid.

The Applied Sterilization Technologies provides the full range of sterilization technologies, including gamma irradiation; electron, ion beam and x-ray beam treatments; and ethylene oxide sterilization.

Or maybe you'd prefer equipping an ion beam to lock down the enemy?

Tags for this Online Resume: Material Characterization, Spectroscopy (XPS / AES), Atomic Layer Deposition, Nanotechnology, XRD, Vacuum deposition technology, SEM - Focused ion beam, Thin films, Science, Research, Management, Planning, Project Management, MATLAB, Scanning Acoustic Microscope

Not exact matches

To enable the spacecraft to remain charge - neutral, a «neutralizer» is used to inject electrons to exactly balance the positive ion charge in the exhaust beam.

Researchers have proposed a new way to detect radioactive material using two co-located laser beams that interact with elevated levels of oxygen ions near a gamma - ray emitting source.

Scientists might use these tractor beams to separate mixtures of atoms or ions, for example, reeling in one type but not another.

Creating an image requires a beam of helium or neon ions.