1. Enter the symbol of the zone axis for the planes (3 -2 -1 ) and...

1. Enter the symbol of the zone axis for the planes (3 -2 -1 ) and ( -2 1 1).

2. The crystal wall belongs to two zones simultaneously (-1 0 1)and (-1 2 0). Give its Miller’s indicators.

3. If planes (412), (211) and (201) belong to a common zone, mark the axis symbol of this zone.

4. The lattice parameter of a regular crystal cell AgBr is ?0= 5,7745 ? . Calculate the interplanar distance dhkl for the lattice plane family : (200), (220), (311).

5. Calculate the interplanar distance d101 in the hexagonal crystal lattice of selenium, knowing that the network parameters ?0=4,3662 ? and ?0=4,9536 ? .

Solutions

Expert Solution

Answer: (1.)

Any two lattice planes intersect in a line which represents the axis of a prism of planes. These planes are called the Zone planes and the long axis is known to be the Zone axis for the given planes.

Zone axis is reprsented by the symbol where are Zone indices which can be obtained by taking cross product between two plane indices.

genius_generous answered 1 year ago

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