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Praseodymium Dioxide
Crystal: PrO2
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:
c12:
c44:
Compressibility (in 1011 dynes/cm2):
Poisson ratio:
Debye temperature: K
Melting temperature: ° C
Neel temperature: K
Phonon spectrum discussed by:
Transverse optic phonon T0 (k=0): cm-1
Longitude optic phonon L0 (k=0): cm-1
Gruneissen constant:
Ratio e*/e:
Photoelastic constants:
p11:
p12:
p44:
Band gap:
direct: eV.
indirect: eV.
Gap: eV.
First exciton: eV.
Band structure discussed by:
Static dielectric constant: 13.2 (1kHz., 25-180°C, film
Optic dielectric constant:
Electron mobility:
Hole mobility:
Polaron coupling constant:
a = ( for m*=1 )
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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References:
1. Nath, K.L. Chopra, Thermal conductivity of Copper films, Thin Sol. Films 20, 53 (1974)
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