News tagged with crystal structure
In nanorod crystal growth, nanoparticles seen as artificial atoms
In the growth of crystals, do nanoparticles act as "artificial atoms" forming molecular-type building blocks that can assemble into complex structures? This is the contention of a major but controversial theory ...
May 24, 2012 |
4.8 / 5 (6) |
0
|
Nanocrystal infrared LEDs can be made cheaply
(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
5 / 5 (4) |
0
|
Materials science: Perfecting the defect
Strong metals have a tendency to be less ductile — unless the metal happens to be a peculiar form of copper known as nanotwinned copper. The crystal structure of nanotwinned copper exhibits many closely-spaced ...
Nanotechnology / Nanomaterials
May 03, 2012 |
5 / 5 (3) |
0
|
Conquering LED efficiency droop
WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the ...
Apr 30, 2012 |
5 / 5 (10) |
0
|
3D structure opens new avenue for drug discovery
(PhysOrg.com) -- An international consortium has determined the structure of an important new drug target in complex with a synthetic molecule designed by our researchers, opening up new avenues for drug discovery.
Apr 02, 2012 |
5 / 5 (4) |
0
|
Third research team close to creating Majorana fermion
(PhysOrg.com) -- Recently there has been a virtual explosion of research efforts aimed at creating the elusive Majorana fermion with different groups claiming to be near to creating them. First there was news that a team ...
Mar 16, 2012 |
4.6 / 5 (16) |
7
|
Touch of gold improves nanoparticle fuel-cell reactions
Advances in fuel-cell technology have been stymied by the inadequacy of metals studied as catalysts. The drawback to platinum, other than cost, is that it absorbs carbon monoxide in reactions involving fuel ...
Nanotechnology / Nanomaterials
Mar 12, 2012 |
5 / 5 (5) |
2
|
Crystal structure of archael chromatin clarified in new study
Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified for the first time how chromatin in archaea, one of the three evolutionary branches of organisms in nature, binds to DNA. The results offer valuable ...
Mar 07, 2012 |
5 / 5 (1) |
0
New diffraction phenomenon observed and explained
'Sub-Bragg diffraction' is what researchers at the Complex Photonic Systems group of the University of Twente’s MESA+ Institute for Nanotechnology call their surprising observations. An ‘energy dip’ ...
Feb 28, 2012 |
5 / 5 (2) |
0
Immunoproteasome crystal structure determined
Like a shredder, the immunoproteasome cuts down proteins into peptides that are subsequently presented on the cellular surface. The immune system can distinguish between self and nonself peptides and selectively ...
Feb 16, 2012 |
not rated yet |
0
Origin of large polarization in multiferroic YMnO3 thin films
Multiferroic materials have attracted much interest because of their ability to control magnetism through the application of a voltage. This ability can be utilized to reduce the power required by electronic ...
Feb 16, 2012 |
not rated yet |
0
New zeolite material may solve diesel shortage
World fuel consumption is shifting more and more to diesel at the expense of gasoline. A recently published article in Nature Chemistry by a research team at Stockholm University and the Polytechnic University of Valencia in Spa ...
Feb 01, 2012 |
3 / 5 (1) |
0
Discovery of 'bioelectric' arteries opens path to heart disease treatment
Bionic eyes and limbs made television's six million dollar man an icon, but new research suggests our existing biological structure already exhibits a valuable electrical property. Scientists have found that ...
Jan 30, 2012 |
4.1 / 5 (7) |
2
|
Hacking the SEM: Crystal phase detection for nanoscale samples
(PhysOrg.com) -- Custom modifications of equipment are an honored tradition of the research lab. In a recent paper, two materials scientists at the National Institute of Standards and Technology describe how ...
Jan 25, 2012 |
5 / 5 (2) |
0
|
New study sheds light on evolutionary origin of oxygen-based cellular respiration
Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our ...
Jan 22, 2012 |
4.9 / 5 (7) |
0
|
Crystal structure
In mineralogy and crystallography, a crystal structure is a unique arrangement of atoms in a crystal. A crystal structure is composed of a motif, a set of atoms arranged in a particular way, and a lattice. Motifs are located upon the points of a lattice, which is an array of points repeating periodically in three dimensions. The points can be thought of as forming identical tiny boxes, called unit cells, that fill the space of the lattice. The lengths of the edges of a unit cell and the angles between them are called the lattice parameters. The symmetry properties of the crystal are embodied in its space group. A crystal's structure and symmetry play a role in determining many of its properties, such as cleavage, electronic band structure, and optical properties.
For more information about Crystal structure, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
