nanocrystalline material

См. также в других словарях:

• Nanocrystalline — A nanocrystalline material is a polycrystalline material with a crystallite size of only a few nanometers. These materials fill the gap between amorphous materials without any longe range order and crystalline materials with a clear three… …   Wikipedia

• Nanocrystalline silicon — Main article: Silicon thin film cell Silicon nanopowder Nanocrystalline silicon (nc Si), sometimes also known as microcrystalline silicon (μc Si), is a form of porous silicon.[1] It is an allotropic form of silicon wi …   Wikipedia

• Nanophase material — Nanophase materials are materials that have grain sizes under 100 nanometres. They have different mechanical and optical properties compared to the large grained materials of the same chemical composition. Transparency and different transparent… …   Wikipedia

• Denis Rancourt — Rancourt in his office at the University of Ottawa in 2004 Born March 23, 1957 (1957 03 23) (age 54) North Bay, Ontario …   Wikipedia

• Grain boundary strengthening — (or Hall Petch strengthening) is a method of strengthening materials by changing their average crystallite (grain) size. It is based on the observation that grain boundaries impede dislocation movement and that the number of dislocations within a …   Wikipedia

• Solar cell — A solar cell made from a monocrystalline silicon wafer …   Wikipedia

• Synthetic diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique Synthetic diamond is diamond produced in a technological process; as opposed to natural diamond, which is created in geological processes. Synthetic… …   Wikipedia

• Dye-sensitized solar cell — A selection of dye sensitized solar cells A dye sensitized solar cell (DSSC, DSC or DYSC[1]) is a low cost solar cell belonging to the group of thin film solar cells.[2] …   Wikipedia

• Sintering — is a method used to create objects from powders. It is based on atomic diffusion. Diffusion occurs in any material above absolute zero but it occurs much faster at higher temperatures. In most sintering processes the powdered material is held in… …   Wikipedia

• Electromagnetic shielding — cages inside a disassembled mobile phone. Electromagnetic shielding is the process of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive and/or magnetic materials. Shielding is typically applied… …   Wikipedia

• Dieter Gruen — Dieter M. Gruen, an internationally respected innovator[peacock term], is a senior scientist in the Materials Science Division at Argonne National Laboratory. He received B.S. (1944, cum laude) and M.S. (1947) degrees in chemistry from… …   Wikipedia