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Bjaam
Bjaam
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There is nothing wrong with that paper. The crystal system of that particular matter undergoes a transition through which its holohedry reduces to a smaller one. The highest order symmetry element was a 4-fold rotation, now it's not. Of course, diagonal mirror planes have to disappear as well.

Notice that Crystal system is a characteristic of the lattice. It does not care about the crystal structure (i.e., what arrangement of atoms each lattice point carries).

There is nothing wrong with that paper. The crystal system of that particular matter undergoes a transition through which its holohedry reduces to a smaller one. The highest order symmetry element was a 4-fold rotation, now it's not.

Notice that Crystal system is a characteristic of the lattice. It does not care about the crystal structure (i.e., what arrangement of atoms each lattice point carries).

There is nothing wrong with that paper. The crystal system of that particular matter undergoes a transition through which its holohedry reduces to a smaller one. The highest order symmetry element was a 4-fold rotation, now it's not. Of course, diagonal mirror planes have to disappear as well.

Notice that Crystal system is a characteristic of the lattice. It does not care about the crystal structure (i.e., what arrangement of atoms each lattice point carries).

Source Link
Bjaam
Bjaam
  • 95
  • 6

There is nothing wrong with that paper. The crystal system of that particular matter undergoes a transition through which its holohedry reduces to a smaller one. The highest order symmetry element was a 4-fold rotation, now it's not.

Notice that Crystal system is a characteristic of the lattice. It does not care about the crystal structure (i.e., what arrangement of atoms each lattice point carries).