polycrystalline


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Related to polycrystalline: Polycrystalline silicon

polycrystalline

[¦päl·i′krist·əl·ən]
(materials)
Pertaining to a material composed of aggregates of individual crystals.
Characterized by variously oriented crystals.

polycrystalline

Many crystals. Polycrystalline structures are composed of many different crystals. Contrast with monocrystalline. See crystalline and polysilicon.
References in periodicals archive ?
The 66 papers cover solar cells; thin film transistors, sensors, and novel devices; polycrystalline films and crystallizations; new and nanostructured thin-film silicon materials; simulations and characterizations; and new deposition methods and growth mechanisms.
According to GLC-Poly executives, the cooperation among the three conglomerates is set to put out 100,000 metric tons of polycrystalline silicon and 10,000 terawatts of solar cells and modules a year.
Although there is fear that globally surging polycrystalline silicon production may adversely affect a balance between supply and demand, demand for polycrystalline silicon is expected to remain on a steady growth path.
In addition, Hareon agreed to purchase polycrystalline silicon from Sun Materials after the production plant commences operations.
Consequently X-rays, which cannot penetrate beneath this thin skin, show what appears to be polycrystalline gold.
Polycrystalline and spatially non-homogenous amorphous semiconductors.
By the authors knowledge, the SGCI could not be of polycrystalline graphite nature but, more likely, of turbostratique one.
The dynamically-balanced cutters are designed to work with polycrystalline diamond or cubic boron nitride inserts, protecting their edges.
The Polycrystalline Diamond Tooting cuts a wide variety of tough abrasive materials, including particle-board, MDF, plywood and plastic.
said Friday it will boost its production capacity of polycrystalline silicone in Yokkaichi, Mie Prefecture, by 1,000 tons a year to 2,800 tons to meet growing demand for use in semiconductors and solar cells.
In a Financial Times article, for instance, industry experts have warned that a worldwide shortage of polycrystalline silicon, used to make solar panels, will not ease in 2008, as some expected, but could continue for at least another five years.
Finnish silicon wafer technology company Okmetic Oyj said on Tuesday (19 June) that it has signed a raw materials agreement with the Japanese polycrystalline silicon producer Tokuyama Corporation.