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Elmet Technologies

Zinc Oxide, ZnO, (Zincite)
Categories: Ceramic; Oxide

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Physical PropertiesMetricEnglishComments
Density 5.66 g/cc0.204 lb/in³
a Lattice Constant 3.2495 Å3.2495 Å
c Lattice Constant 5.2069 Å5.2069 Å
Formula Units/Cell (Z) 22
Molecular Weight 81.39 g/mol81.39 g/mol
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 4.04.0
 
Electrical PropertiesMetricEnglishComments
Magnetic Susceptibility -0.0000272-0.0000272cm^3/mol
Band Gap 3.2 eV3.2 eV
Electron Mobility, cm²/V-s 180180
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 230 J/g98.9 BTU/lbCrystal structure not specified.
 642.6 J/g276.4 BTU/lb
Thermal Conductivity 60.0 W/m-K416 BTU-in/hr-ft²-°F
Melting Point 1977 °C3591 °F
Heat of Formation -350 kJ/mol-350 kJ/mol
 
Optical PropertiesMetricEnglishComments
Refractive Index 2.0292.029ω, Na
 2.013
@Wavelength 589.3 nm
2.013
@Wavelength 589.3 nm
η, Na
 
Descriptive Properties
CAS Number1314-13-2
ColorWhite
Crystal StructureHexagonalWurtzite (Zincite) Structure - Space Group P 63mc

References for this datasheet.

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