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The Kyropoulos method, also known as the KY method or Kyropoulos technique, is a method of bulk crystal growth used to obtain single crystals.. The largest application of the Kyropoulos method is to grow large boules of single crystal sapphire used to produce substrates for the manufacture gallium nitride-based LEDs, and as a durable optical material.
Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials publishes scientific articles on structural science. [1] [2] According to the journal: "Knowledge of the arrangements of atoms, including their temporal variations and dependencies on temperature and pressure, is often the key to understanding physical and chemical phenomena and is crucial for the design of ...
A crystal detector includes a crystal, usually a thin wire or metal probe that contacts the crystal, and the stand or enclosure that holds those components in place. The most common crystal used is a small piece of galena ; pyrite was also often used, as it was a more easily adjusted and stable mineral, and quite sufficient for urban signal ...
Silicon crystal being grown by the Czochralski method at Raytheon, 1956. The induction heating coil is visible, and the end of the crystal is just emerging from the melt. The technician is measuring the temperature with an optical pyrometer. The crystals produced by this early apparatus, used in an early Si plant, were only one inch in diameter.
Crystallography is the branch of science devoted to the study of molecular and crystalline structure and properties. [1] The word crystallography is derived from the Ancient Greek word κρύσταλλος ( krústallos ; "clear ice, rock-crystal"), and γράφειν ( gráphein ; "to write"). [ 2 ]
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Crystal chemistry is the study of the principles of chemistry behind crystals and their use in describing structure-property relations in solids, ...
Belarus-born director Darya Zhuk will follow her debut feature “Crystal Swan” with “Exactly What It Seems,” a dark science fiction satire of contemporary authoritarianism. The film ...