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Germanium (₃₂Ge^72.61)
[7440-56-4]

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Elemental Form


This element is a grayish-white, lustrous, brittle metalloid. Although germanium is a poor conductor of electricity, it is often doped with other elements and is used as a transistor element in thousands of electronic applications. Germanium is most important as a semiconductor material and it is on this area that the majority of germanium is used.
Melting Point	937.2°C	Boiling Point	2830°C
Density	5.32g/cm³	Themal Conductivity	0.15cal/cm²/cm/s/°C
Specific Heat @ 25°C	0.074cal/g°C	Latent Heat of Fusion	111.5k-cal/g-atom
Latent Heat of Vaporization	1100cal/g	Atomic Volume	13.6W/D
First Ionization Energy	187K-cal/g-mole	Electronegativity	1.8Pauling's
Covalent Radius	1.22Angstroms	Linear Coefficient of Expansion	6.1x10^-8K^-1
Electrical Resistivity @ 27°C	47Ω-cm	Crystal Structure	Diamond
Vapor Pressure @ 27°C	1.1x10^-9atm	Thermionic Work Function	4.5eV
Magnetic Susceptibility @ 20°C	-22x10⁶emu/mole	Debye Temperature	362°K