Sentences with phrase «in crystal structure»

When a nitrogen atom replaces a carbon in the crystal structure of diamond, it creates a nitrogen - vacancy center, which can store information that is written and read out using light.

«Longstanding bottleneck in crystal structure prediction solved.»

«You don't want defects in the crystal structure and you don't want impurities, which can be a source of extra nucleation,» Lograsso said.

The key to the whole design is the added nitrogen atom together with a neighboring vacancy in the crystal structure.

The great similarity between the small heat shock proteins of nematodes and humans in specific locations becomes apparent in the crystal structure of the Sip1 protein.

In the crystal structure of an α - helical region of mammalian Nup58 / 45, we identified distinct tetramers, each consisting of two antiparallel hairpin dimers.

Shooting ions at superconducting materials is a well - established method for artificially introducing defects in the crystal structure or chemistry of the materials to increase the amount of current they can carry.

Heating and then recooling a crystal, a process called annealing, is in general expected to remove defects in the crystal structure.

The roots of the supersolid controversy go back to 1969, when Russian physicists predicted a state of solid matter in which gaps, or vacancies, in a crystal structure could move together as a single quantum wave — a collective motion reminiscent of the frictionless flow of a superfluid.

For this study, researchers studied four solar cells with different selenium contents — and corresponding changes in crystal structure — and learned that the one with the highest level of selenium did not perform well.

If so, he reasoned, that encoding must lie in the atoms and electrons that make up a given material, and in their crystal structure: the way they are arranged in space.

Zou attributes the improvement to a subtle change in the crystal structure that produces the desired electron band gap.

Goldschmidt showed that a compound's hardness was related to the distances between atoms in its crystal structure.

There were only minor differences in the crystal structures of mutant and wild - type annexin V around the mutation site; however, the mutant showed structural differences elsewhere, including the presence of a calcium binding site in domain III unrelated to the mutation.

The latter focuses on zeolites and metal — organic frameworks: sponge - like materials with regularly repeating holes in their crystal structures that can trap gas molecules and could be used to store methane or carbon dioxide.

Led by Masaaki Isobe, a team consisting of Hiroyuki Yoshida, Koji Kimoto, Masao Arai and Eiji Muromachi recently searched for novel substances that lack spatial inversion symmetry in their crystal structures.

The CO2 reacts with minerals in the mantle, which safely locks up the carbon up in their crystal structures.

Not exact matches

Let's say that we have a crystal with some regular array of particles that are in equilibrium in a certain configuration and with a certain structure, so that the forces of attraction and repulsion due to positive and negative charges balance in this configuration.

For example, when physicists explain the electrical conductivity of metals in terms of the «band structure» of the energy levels of the electrons in a crystal lattice of atoms, to which of the four causes does that correspond?

The unique structure of any crystal is the result of what we might think of as the «shape» of its atoms (or ions), which causes them to slot into a particular position and to layer themselves in a fixed, orderly pattern.

The best that scientists can do is draw analogies to spontaneous ordering in non living structures, such as crystals.

Just as the diiodine molecule vibrates about its equilibrium internuclear distance, and molecules in solid iodine jiggle around in three dimensions, still keeping the overall structure of the crystal intact, so, too, there are fluctuations in the concentrations of all chemicals which participate in chemical equilibria.

Just as quantum mechanics is needed to, and does perfectly, fill the gap between the atomic structure of crystals and their beautiful shape in space, so too it will be needed to link the biochemistry of genetic code and cellular processes to the growth and shape of living things — provided, that is, that such a link can be found at all.

Diamond Crystal ® Fine Kosher Salt is made with a proprietary process resulting in a unique crystal structure that outperforms regular table salt on fried foods and in seasoning Crystal ® Fine Kosher Salt is made with a proprietary process resulting in a unique crystal structure that outperforms regular table salt on fried foods and in seasoning crystal structure that outperforms regular table salt on fried foods and in seasoning blends.

Note: We use two kosher salts in the BA Test Kitchen: Diamond Crystal, with its finer crystal structure, is our everyday seasoning Crystal, with its finer crystal structure, is our everyday seasoning crystal structure, is our everyday seasoning choice.

In 1995, it took the demolition of a turn - of - the - century, Tudor - style pump house in Crystal Lake to galvanize a citizens» group that would identify and preserve city historic structureIn 1995, it took the demolition of a turn - of - the - century, Tudor - style pump house in Crystal Lake to galvanize a citizens» group that would identify and preserve city historic structurein Crystal Lake to galvanize a citizens» group that would identify and preserve city historic structures.

A Majorana fermion (bright white, center) creates rippled signatures in a quantum spin liquid as neutrons are fired at a ruthenium trichloride crystal (atomic structure shown to the left).

Learn about the structure and geometry of crystals in 15 sparkling experiments.

Libbrecht explains that it wasn't until the development of X-ray crystallography in the 1920s that researchers were able to study the atomic structure of ice crystals to determine how they formed.

The colloidal crystals designed in the study, called metamaterials, are artificially structured materials that extend the properties of existing naturally occurring materials and compounds.

Researchers Bryan Roth, M.D., Ph.D., of the University of North Carolina (UNC) Chapel Hill, Brian Shoichet, Ph.D., of the University of California San Francisco, and colleagues, report on their discovery of the crystal structure of the antipsychotic risperidone docked in the D2 dopamine receptor in the journal Nature.

In certain cases, this causes the wire to suddenly continue growing with another crystal structure,» Feigl says.

It is usually possible to make well - controlled interfaces when two materials have similar crystal structures, yet the ability to combine materials with different crystal structures has lacked the accurate design rules that increasingly exists in other areas of materials chemistry.

But the atomic structures of the clusters fluctuated under the heat treatment, switching back and forth between two main atom - configurations («isomers»): these were a face - centred cubic structure, similar to a small piece of bulk gold, and a decahedral arrangement with a symmetry forbidden in an extended crystal.

The distortion of the crystal structure can thus be controlled, which in turn has an effect on the magnetic ordering.

This allowed the selection of two materials with different crystal structures yet with sufficient chemical flexibility to grow in a completely ordered manner throughout the interface between them.

Crystal structures of the 30S ribosomal subunit in complex with messenger RNA and cognate transfer RNA in the A site, both in the presence and absence of the antibiotic paromomycin, have been solved at between 3.1 and 3.3 angstroms resolution.

The diffraction patterns of both silica and germania glasses are consistent with a structure in which nearly all of the atoms belong to tridymite - like regions of up to about 20 angstroms or more that are bonded efficiently together in a manner analogous to that found in twinned crystals.

Flowing from the warm side to the cold side in a chaotic structure is not as easy for the heat as it is in well - ordered crystals.

This cubic form of ice (crystal structure shown) is found only at very high pressures such as those deep in Earth's interior.

X-ray crystallography (a technique used for determining the atomic and molecular structure of a crystal, in this case, a Gamillus crystal) and point mutagenesis suggest the acid tolerance of Gamillus is attributed to stabilization of deprotonation in its chemical structure.

«The type of skyrmions you get is related to the crystal structure of the materials,» says physical chemist Claudia Felser of the Max Planck Institute for Chemical Physics of Solids in Dresden, Germany.

The crystal structure of uromodulin (in color), overlayed on an electron micrograph of uromodulin filaments (grey background).

In 2008, Fischetti's lab, with Rockefeller's Erec Stebbins and his colleagues in the Laboratory of Structural Microbiology, solved the crystal structure of this enzymIn 2008, Fischetti's lab, with Rockefeller's Erec Stebbins and his colleagues in the Laboratory of Structural Microbiology, solved the crystal structure of this enzymin the Laboratory of Structural Microbiology, solved the crystal structure of this enzyme.

It is the material's very special crystal structure that does the trick, in connection with an astonishing new physical effect; in countless tiny cages within the crystal, cerium atoms are enclosed.

Part of the problem is that NiO can form different crystal structures in its bleached and colored states, depending on how much water becomes incorporated into the material.

This behavior results from the special crystal structure of the microrods, in which the lanthanide ions wind in a helical chain along an axis of the crystal.

The unique geometric and electronic structure of the nitrogenated crystals make it potentially suitable for use in electronics, sensors and catalysis.

Now evidence is mounting that there is yet another crystal structure to add to carbon's catalogue of wonders: a material that could find applications in mechanical components whose hardness varies depending on the pressure to which they are exposed.

Two computer simulation studies now suggest that cold - compressed graphite contains crystals of a structure called body - centered tetragonal, or bct, in addition to another type called M carbon.