Atomic and nuclear properties of materials:
Germanium (Ge)
QuantityValueUnits ValueUnits
Atomic number 32     
Atomic mass 72.64(1) g mole-1   
Specific gravity 5.32 g cm-3   
Minimum ionization 1.370 MeV g-1cm2 7.292 MeV cm-1
Nuclear collision length 86.9 g cm-2 16.32 cm
Nuclear interaction length 143.0 g cm-2 26.86 cm
Radiation length 12.25 g cm-2 2.302 cm
Critical energy 18.16 MeV (for e-) 17.58 MeV (for e+)
Molière radius 14.31 g cm-2 2.688 cm
Plasma energy 44.13 eV   
Muon critical energy 297. GeV   
Melting point 1211. K 938.2 C
Boiling point @ 1 atm 3106. K 2833. C
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes
x ray mass attenuation coefficients