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Zirconium Dioxide
Crystal: ZrO2
Structure: cubic
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Cohesive energy: |
eV |
Lattice parameter: |
Å |
Density: |
g/cm3 |
Stiffness constants: in 1011 dynes/cm2, at room temperature
c11: 204 or 223
c12: 87 or 97.3
c44: 158 or 154
Compressibility (in 1011 dynes/cm2): 0.008
Poisson ratio:
Debye temperature: K
Melting temperature: 2600 ° C
Neel temperature: K
Phonon spectrum discussed by: See Spectrochimie Acta, 30A, 549 (1974)
Transverse optic phonon T0 (k=0): cm-1 (see phonon spectrum for reference)
Longitude optic phonon L0 (k=0): cm-1
Gruneissen constant:
Ratio e*/e:
Photoelastic constants:
p11:
p12:
p44:
Band gap:
direct: ~5 eV.
indirect: eV.
Gap: 4.5 eV. (Ref.1)
First exciton: eV.
Plasmon energy: 14.8 eV. (Ref.1)
Band structure discussed by:
Static dielectric constant:
Optic dielectric constant:
Electron mobility:
Hole mobility:
Polaron coupling constant:
Effective mass: conduction band:
valence band:
Electron affinity: ( in eV., from bottom of conduction band under vacuum)
Spin-orbit coupling: ( valence band)
Cation polarisation: Å-3
Anion polarisation: Å-3
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Other information:
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References:
1. J. Frandon, B. Brousseau, F. Pradal, Electronic excitations in some transition metals and their oxides. Characterisation energy loss measurements up to 50 eV., Phys. Stat. Sol. 98, 379 (1980)
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