The hexagonal-disc-shaped MgB2 single crystals were synthesized under the high-pressure conditions. The crystal symmetry,lattice constants as well as the Laue pattern of these single crystals were obtained from X-ray micro-diraction. A crystallographi...
The hexagonal-disc-shaped MgB2 single crystals were synthesized under the high-pressure conditions. The crystal symmetry,lattice constants as well as the Laue pattern of these single crystals were obtained from X-ray micro-diraction. A crystallographic mapping showed that the edge and thec-axis of hexagonal-disc shape exactly matched the [10.10] and [001] directions of theMgB2 phase. This clearly conrmed that above well-shaped single crystals could be excellent samples to study the unsolved direction dependencies of the physical properties.