The Mac
@TheMac
08 December, 03:39
A seed crystal is a small crystal that is used as a base to grow a large single crystal. Without a seed, crystals form slowly from random intermolecular interactions. When the seed is placed in a saturated or supersaturated solution it acts as a nucleation site. This decreases the time needed to grow a crystal and directs growth to a single region. Here’s how to grow a seed crystal and how to use one to get a large, perfect crystal.
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The semiconductor industry uses seed crystals to grow large single crystals (boules) of silicon using the Bridgman technique or Czochralski method. Seed crystals promote the growth of desirable type V crystals when tempering chocolate. Seeds are also used to grow crystals for crystallography and other purposes.
03:42 PM - Dec 08, 2021
In response The Mac to his Publication
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The Mac
@TheMac
08 December, 03:43
In response The Mac to his Publication
Virus Structure
X-ray crystallography is a tool used for determining the atomic and molecular structure of a crystal. The underlying principle is that the crystalline atoms cause a beam of X-rays to diffract into many specific directions
X-ray crystallography is a tool used for determining the atomic and molecular structure of a crystal. The underlying principle is that the crystalline atoms cause a beam of X-rays to diffract into many specific directions
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The Mac
@TheMac
08 December, 03:44
In response The Mac to his Publication
In virology. In 1935 tobacco mosaic virus became the first virus to be crystallized; in 1955 the poliomyelitis virus was crystallized.
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