Magnesium Boride (MgB
2
)
superconducting ceramics
Structure
P6/mmm (a=3.0864 Ä, c=3.5215 Ä)
Density
2.625 g/cm
3
Hardness
1260 kg/mm
2
Specific resistivity at RT
~ 5
´
10
-6
Ohm
´
cm
Transition to the superconducting state at T
c
38 K
MgB
2
ceramic pellet
Material Safety Data Sheet
