What is the name of the phase that Shechtman discovered?
Icosahedral phase
Cubic phase
Hexagonal phase
Orthorhombic phase
Answer
The icosahedral phase is a phase of matter that has a crystal structure with icosahedral symmetry. It was discovered by Dan Shechtman in 1982, and its discovery was initially met with skepticism because it violated the crystallographic restriction theorem, which states that the only possible crystal structures are those with 14 Bravais lattices and 230 space groups.
Unraveling the Exceptional: The Dan Shechtman Quiz on Nobel-Winning Chemistry
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