BN - Boron Nitride

Optical properties


Zinc Blende crystal structure
    Remarks Referens
Dielectric constant (static) 7.1 300 K, infrared reflectivity Gielisse et al.(1967)
Dielectric constant (high frequency) 4.5
4.46
300 K, infrared reflectivity  Gielisse et al.(1967)
Rumyantsev et al. (2001)
Refractive index, n 2.17 300 K, wavelegth 0.589mm Gielisse et al.(1967)
Infrared refractive index ~=2.1 300 K, Infrared Rumyantsev et al. (2001)
Optical phonon energy ~130 meV 300 K
Rumyantsev et al. (2001)

Hexagonal crystal structure
    Remarks Referens
Dielectric constant (static) =5.06
=6.85
|| to c axis
to c axis
Geick et al.(1966)
Dielectric constant (high frequency) 4.10
4.95
parallel to c axis
perpendicular to c axis
for 300 K;
see also Dielectric functions
Geick et al.(1966)
  = 2.2;
=4.3
300 K Rumyantsev et al. (2001)
Dielectric constant (static) 7.1 300 K, infrared reflectivity Gielisse et al.(1967)
Dielectric constant (high frequency) 4.5
4.46
300 K, infrared reflectivity  Gielisse et al.(1967)
Rumyantsev et al. (2001)
Refractive index, n 1.65
1.65
2.13
BN- film
perpendicular to c axis
parallel to c axis
Takahashi et al.(1981)
Ishii et al. (1983)
Ishii et al. (1983)
Infrared refractive index ~=1.8 300 K, Infrared Rumyantsev et al. (2001)
  BN, hexagonal. Ordinary and extraordinary dielectric functions e2 vs. wavelength and photon energy in the range 13---30eV (b).
Mamy et al. (1983)

Wurtzite, Zinc Blende & Hexagonal crystal structure at 300 K
Crystal structure Wurtzite Zinc Blende Hexagonal
Infrared refractive index ~=2.05 ~=2.1 ~=1.8

Optical properties of Wurtzite, Zinc Blende & Hexagonal crystal

BN, hexagonal. Ordinary and extraordinary dielectric functions e2 vs. wavelength and photon energy in the range 5--9eV
Mamy et al. (1981)
BN, hexagonal. Ordinary and extraordinary dielectric functions e2 vs. wavelength and photon energy in the range 13--30eV
Mamy et al. (1981)
BN, zinc blende. Refractive index n versus photon energy
Miyata et al. (1989)
BN. Refractive index n versus wavenumber.
1 -- Zinc blende
2 -- Hexagonal BN.
Stenzel et al. (1996)
BN, Wurtzite. Reflectance R as a function of photon energy for two samples.
1, 500oC annealed;
2, 100o C annealed (nanoscale powder compacted into dense solid under high pressure).
Yixi et al. (1994)
BN, Zinc Blende. Reflectance R as a function of photon energy.
Miyata et al. (1989)
BN, Hexagonal. Reflectance R as a function of wavelength .
Zunger et al. (1976)
BN, Hexagonal. Reflectance R as a function of wavelength .
Hoffman et al. (1984)
BN, Wurtzite. The absorption coefficient as a function of photon energy for two samples.
1, 500oC annealed;
2, 100oC annealed (nanoscale powder compacted into dense solid under high pressure).
Yixi et al. (1994)
BN, Zinc Blende. The absorption coefficient versus photon energy.
Miyata et al. (1989)
BN, Zinc Blende. The absorption coefficient versus photon energy at different hydrostatic pressures. The energies shown by arrows are defined as indirect band gaps.
Onodera et al. (1993)
BN, Zinc Blende. The absorption coefficient versus wavenumber in the infrared.
Chrenko et al. (1974)
BN, Hexagonal. The absorption coefficient versus wavelength. 300K.
Zunger et al. (1976)
BN, Hexagonal. The absorption coefficient versus wavelength at 4.2 K and 600 K.
Zunger et al. (1976)