Abstract
Absorption and scattering properties of pyrolytic boron nitride (pBN) have been characterized by infrared spectroscopy. The strong dielectric anisotropy predicted by first principles calculations is confirmed by measurements performed on a highly oriented pBN sample. Optical properties of textured samples elaborated by chemical vapor deposition were identified from normal hemispherical reflectance and transmittance spectra by applying modified two-flux and four-flux transport models. It is also shown that coating carbon–carbon composites used to build solar shields with a pBN layer having an optimal thickness could improve the protection performance.
Similar content being viewed by others
References
Selvakumar N, Barshilia HC (2012) Review of physical vapor deposited (PVD) spectrally selective coatings for mid- and high-temperature solar thermal applications. Sol Energ Mat Sol C 98:1–23
Golosnoy IO, Cipitria A, Clyne TW (2009) Heat transfer through plasma-sprayed thermal barrier coatings in gas turbines: a review of recent work. J Therm Spray Technol 18:809–821
Wang L, Habibi MH, Eldridge JI et al (2014) Infrared radiative properties of plasma-sprayed BaZrO3 coatings. J Eur Ceram Soc 34:3941–3949
Balat-Pichelin M, Eck J, Heurtault S, Glénat H (2014) Experimental study of pyrolytic boron nitride at high temperature with and without proton and VUV irradiations. Appl Surf Sci 314:415–425
Brodu E, Balat-Pichelin M, De Sousa Meneses D et al (2015) Reducing the temperature of a C/C composite heat shield for solar probe missions with an optically selective semi-transparent pyrolytic boron nitride (pBN) coating. Carbon 82:39–50
De Sousa Meneses D, Brun JF, Echegut P et al (2004) Contribution of semi-quantum dielectric function models to the analysis of infrared spectra. Appl Spectrosc 58:969–974
Sacadura J-F (2011) Thermal radiative properties of complex media: theoretical prediction versus experimental identification. Heat Transfer Eng 32:754–770
Dombrovsky LA, Randrianalisoa JH, Lipinski W et al (2011) Approximate analytical solution to normal emittance of semi-transparent layer of an absorbing, scattering, and refracting medium. J Quant Spectrosc Radiat Transfer 112:1987–1994
Dombrovsky LA (2012) The use of transport approximation and diffusion-based models in radiative transfer calculations. Comput Therm Sci 4:297–315
Randrianalisoa J, Baillis D, Pilon L (2006) Improved inverse method for radiative characteristics of closed-cell absorbing porous media. J Thermophys Heat Transfer 20:871–883
Dombrovsky LA, Tagne HK, Baillis D et al (2007) Near-infrared radiative properties of porous zirconia ceramics. Infrared Phys Technol 51:44–53
Wang L, Eldridge JI, Guo SM (2014) Comparison of different models for the determination of the absorption and scattering coefficients of thermal barrier coatings. Acta Mater 64:402–410
Geick R, Perry CH, Rupprecht G (1966) Normal modes in hexagonal boron nitride. Phys Rev 146:543–547
Hoffman DM, Doll GL, Eklund PC (1984) Optical properties of pyrolytic boron nitride in the energy range 0.05–10 eV. Phys Rev B 30:6051–6056
Schubert M, Rheinlander B, Franke E et al (1997) Infrared optical properties of mixed-phase thin films studied by spectroscopic ellipsometry using boron nitride as an example. Phys Rev B 56:13306–13313
Ben el Mekki M, Mestres N, Pascual J et al (1999) Infrared and Raman analysis of plasma CVD boron nitride thin films. Diamond Relat Mater 8:398–401
Xu Y-N, Ching WY (1991) Calculation of ground-state and optical properties of boron nitrides in the hexagonal, cubic, and wurtzite structures. Phys Rev B 44:7787–7798
Ohba N, Miwa K, Nagasako N et al (2001) First-principles study on structural, dielectric, and dynamical properties for three BN polytypes. Phys Rev B 63:115207–115209
Serrano J, Bosak A, Arenal R et al (2007) Vibrational properties of hexagonal boron nitride: inelastic X-ray scattering and Ab initio calculations. Phys Rev Lett 98:095503–095504
Yu WJ, Lau WM, Chan SP, Liu ZF et al (2003) Ab initio study of phase transformations in boron nitride. Phys Rev B 67:014108–014109
Cai Y, Zhang L, Zeng Q, Cheng L, Xu Y (2007) Infrared reflectance spectrum of BN calculated from first principles. Solid State Commun 141:262–266
Hamdi I, Meskini N (2010) Ab initio study of the structural, elastic, vibrational and thermodynamic properties of the hexagonal boron nitride: performance of LDA and GGA. Phys B 405:2785–2794
Manara J, Caps R, Ebert H-P et al (2002) Infrared optical properties of semitransparent pyrolytic boron nitride (pBN). High Temp High Press 34:65–72
Manara J, Keller M, Kraus D et al (2008) Determining the transmittance and emittance of transparent and semitransparent materials at elevated temperatures. In: Proceedings of the 5th European Thermal-Sciences Conference
Moore AW (1969) Compression annealing of pyrolytic boron nitride. Nature 221:1133–1134
Dupleix A, De Sousa Meneses D, Hughes M et al (2013) Mid-infrared absorption properties of green wood. Wood Sci Technol 47:1231–1241
Pease RS (1952) An X-ray study of boron nitride. Acta Crystallogr 5:356–361
Zhang D, Cherkaev E, Lamoureux MP (2011) Stieltjes representation of the 3D Bruggeman effective medium and Padé approximation. Appl Math Comput 217:7092–7107
Andersson SK, Ribbing CG (1994) Light extinction by bulk voids and surface irregularities in ceramic materials. Phys Rev B 49:11336–11343
Nemanich RJ, Solin SA, Martin RM (1981) Light scattering study of boron nitride microcrystals. Phys Rev B 23:6348–6356
Acknowledgement
The authors are grateful to Emanuel Veron for performing X-ray measurements on the pBN sample.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
De Sousa Meneses, D., Balat-Pichelin, M., Rozenbaum, O. et al. Optical indices and transport scattering coefficient of pyrolytic boron nitride: a natural thermal barrier coating for solar shields. J Mater Sci 51, 4660–4669 (2016). https://doi.org/10.1007/s10853-016-9781-2
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10853-016-9781-2