Sentences with phrase «atomic scale structure»

Not exact matches

A quantum computer instead uses quantum bits — called qubits — which are atomic - scale structures that, through a phenomenon known as «superposition,» can be both zero and one at the same time.

We report direct determination of the structures and dynamics of interfacial water on a hydrophilic surface with atomic - scale resolution using ultrafast electron crystallography.

They used this novel simulation approach to build a model of a sperm cell that demonstrates cellular movement from individual dynein protein molecules in the tail all the way up to the whole cell, allowing them to observe how changes at the atomic level are reflected in larger - scale structures.

«Contrary to large - scale observation, the lithium - ion reactions actually erode the materials non-uniformly, seizing upon intrinsic vulnerabilities in atomic structure in the same way that rust creeps unevenly across stainless steel.»

Water's behavior was tested with three different approaches: ultrafast optical measurements, which revealed the arrangement of molecules on the nanometric scale; a computer simulation on the atomic scale; and measurement of the water's surface structure and tension, which was done at the macroscopic level.

The atomic structure underwent significant changes over the medium - range length scales as large as 18Å,» explains Dr. Tamaki Shibayama of Hokkaido University.

Designing materials for use in the large variety of gadgets and structures that support our everyday lives involves understanding them at their atomic, electronic and macroscopic scales.

Imaging atomic - scale electron - lattice interactions: A laser pulse (red beam coming from right) gives electrons in a manganese oxide a «kick» of energy while a high - energy electron beam (blue) probes the atomic structure.

«Now that we know the structure of these materials, we can start studying how their atomic - level arrangement affects their large - scale properties.»

When it was close enough to the sample, the CO-covered tip sensed tiny repulsive forces that help reveal a molecule's atomic - scale chemical structure.

The atomic - scale structures reveal the detailed mechanism of how the toxin / associated - protein complex is assembled and stays intact under acidic conditions, and also how it disassociates when it enters the neutral pH conditions of the blood.

Howard Hughes Medical Institute (HHMI) Investigator Peter Walter and colleagues describe the action with a new atomic - scale protein structure reported March 29, 2018, in the journal Science.

New atomic scale images of the structure of calcium's gatekeeper, IP3R, could go a long way toward solving this mystery and lead to treatments for the many diseases tied to channel malfunctions.

The researchers used a combination of advanced electronic structure calculations, magnetic property measurements, and revolving scanning transmission electron microscopy (revolving STEM) to see what was happening at the atomic scale in NiFeCrCo.

In order to obtain such high magnetic performances it is necessary to gain precise control of the synthesis parameters during the manufacturing process of a magnet and to thoroughly understand the atomic - scale structure and behaviour of the involved phases.

Calcite crystals are also formed such that different facets have mirror - image atomic - scale structures.

The results revealed a complex structure made up of layers of molybdenum disulfide alternating at the atomic scale with layers of lead sulfide, along with other elements, including vanadium, antimony, bismuth, and selenium.

«If you don't have the component of the work that we provided, there is no way that you can tell from STM alone what the atomic - scale structure of the water is when absorbed on various surfaces» Mavrikakis says.

Group leader Eric Stach discusses the electron microscopy instrumentation and techniques that his group uses to study the structure and chemistry of materials at the atomic scale.

With the aid of state - of - the - art electron microscopy, the researchers discovered that the function of the nanometre - scale catalyst particles is decisively determined by their geometric shape and atomic structure.

In summary: To create more efficient catalysts and separation devices, scientists would like to start with porous materials with controlled atomic - scale structures as random defects can hamper performance.

I am an experimentalist, and I use ultrahigh - resolution ion - and electron - microscopy techniques, including focused - ion - beam scanning - electron microscopy and transmission electron microscopy, to determine the composition and structure of these materials at scales ranging from millimeters down to the atomic.

Unveiling the atomic - scale changes in protein molecules as they go about their tasks is important because these changes in structure determine their function.

Interesting features emerged at this extreme scale after Molecular Foundry scientists used code they developed to analyze the atomic structure.

Peter Grutter describes how atomic force microscopy has contributed to advances in understanding structure - function relations at the atomic scale.

These processes are influenced by the atomic - scale structure at their interface with water.

Our principal research projects include the «Atomic - to Pore - Scale Geochemical Processes project;» the «Fluid Interface Reactions, Structures and Transport (FIRST) Energy Frontier Research Center;» the LBNL - led «Nanoscale Control of Geologic CO2 (NCGC) Energy Frontier Research Center;») and the «Center for Understanding and Control of Acid - Gas - Induced Evolution of Materials for Energy (UNCAGE - ME) Energy Frontier Research Center.»

This is the first systematic study of the atomic - to nano - scale structure of a common mineral - water interface poised far from equilibrium.

Together, they will focus on the great opportunities that lie in scaling up from atomic assembly and individual nanodevices to macroscopic systems and structures with emergent properties and functionality.

Vanessa Peterson is in the fast lane when it comes to relating atomic - scale structures to a material's function

Understanding the structure and function of materials at the atomic scale is one of the frontiers of energy science.

German artist Gerhard Richter has created Strontium, a large - scale mural for the new de Young derived from digitally - manipulated photographs, that together form a geometric black and white motif representing the atomic structure of strontium titanate, a synthetic substance often used to create artificial diamonds.