Sentences with phrase «nanowire structures»

«Strings of electron - carrying proteins may hold the secret to «electric bacteria»: The nanowire structure and electron transfer process of a unique bacterium could provide a foundation for sustainable energy.»

Not exact matches

Whereas the fine nanowires initially crystallise in a hexagonal, so - called wurtzite structure, this behaviour changes after some time and the wires adopt a cubic zinc blende structure as they continue to grow.
This change is important when it comes to applications, since the structure and shape of the nanowires have important consequences for the properties of the resulting material.
The researchers installed the chamber in the research light source PETRA III of the German Electron Synchrotron (DESY) and took X-ray pictures every minute to determine the structure and diameter of the growing nanowires.
At one - minute intervals the scientists took X-ray pictures, which allowed both the internal structure and the diameter of the growing nanowires to be simultaneously determined.
«Although this process is already quite well established, it has not been possible until now to specifically control the crystal structure of the nanowires produced by it.
Their observations reveal exact details of the growth process responsible for the evolving shape and crystal structure of the crystalline nanowires.
This change is of relevance to applications, as the structure and shape of the nanowires considerably affect the properties of the resulting material.
The nanowires are produced by a company in Sweden and this new information can be used to tweak the layer structure in the nanowires.
In a study, reported in the January 21, 2016 issue of Nano Letters, the team demonstrated a new redox - responsive assembly method to synthesize hierarchically structured carbon - sheathed germanium nanowires (c - GeNWs) on a large scale by the use of self - catalytic growth process assisted by thermally decomposed natural gas.
Small magnetic domain wall structures in nanowires can be used to store information and, for example, can be used as angle sensors.
These whirls can be moved rapidly and reliably along nanowires or other structures in future memories.
Further microscopy of the nanowire showed that the structure of the tin oxide atoms had changed from an ordered crystalline arrangement to an amorphous glass - like form.
The defected nanowires with diameters smaller than 1.8 nm and a single stacking fault, surprisingly, have higher a yield stress compared to their counterparts with perfect structures.
Once we were able to induce nanowire growth, we started analyzing their composition and structure, which took another year of work.
For instance, certain substrates on which the nanowires grow create conditions so that the nanowire growth orientation is dictated by the substrate's underlying crystal structure.
Further comparison is done with nanowires of dimension similar to the phononic crystal structure to establish a relation between their thermal conductances.
In this work, a harmonic lattice dynamics and scattering boundary method based atomistic modeling tool was created to calculate phonon spectra and modal phonon transmission coefficients in nano - phononic structures and diameter - modulated nanowires.
Structure of the Type IVa Major Pilin from the Electrically Conductive Bacterial Nanowires of Geobacter sulfurreducens, J. Biol.
With the help of related structures on disease - causing bacteria, the researchers show that the protein's shape and form suggest possible ways for the bacteria to shuttle electrons along the nanowire.
A transmission electron microscope image taken at Argonne shows the honeycomb structure of the silicon nanowires.
a b c d e f g h i j k l m n o p q r s t u v w x y z