What is nanowire?
Nanowires are small-diameter wires for manufacturing windings of electric micromachines, measuring coils and control devices. Nanowires are obtained from various metals and alloys: conductive, resistive, magnetic, semiconductor, with their simultaneous coating by glass insulation, with a diameter of less than 1 μm, including precious materials (Au, Pt, Ag, etc.).
The use of nanowires
- non-electric measuring transducers (temperature, pressure, speed, force, mass, etc.);
- inductive converters;
- transformers, motor windings;
- complexes of filamentous nanostructures;
The filamentous structure is a close-packed bundle of nanowires isolated from each other in a common glass tube with an outer diameter of 50 to 200 nm and a length of up to 20-30 cm. The manufacturing techniques of such NNS include: obtaining the original microwire in glass insulation, forming a close-packed beam from it inside the glass ampoule, heating and stretching the ampoule until the nanometric dimensions of the conductive veins in the NNS are reached.
Possible applications are biomedical electrodes, micromagnets, optical elements, scanning heads, sensor cores, composite materials.
ELIRI is working on the creation of filamentary nanostructured compositions of a number of metals, semimetals, semiconductors. A nanostructure is a close-packed bundle of electrically conductive nanowires in individual glass insulation each; the bundle is covered with a common glass shell. They can contain hundreds of thousands and millions of individual nanowires isolated from each other with core diameters from 50 to 200 nm with a total diameter of filamentary nanostructured compositions of 20-200 microns. The length of the obtained filamentous nanostructured compositions is up to 20-30cm.
On their basis, it is possible to manufacture microthermocouples and point microcoolers, which can be used in medicine and biology for diagnosing and treating various diseases associated with blood vessels and vascular ducts of other organs.
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