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Temperature dependence of thermal energy reflection in layered oxide ceramic for thermal energy window coating

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Title: Temperature dependence of thermal energy reflection in layered oxide ceramic for thermal energy window coating
Authors: Naganuma, T.1 NAGANUMA.Tamaki@nims.go.jp, Kagawa, Y.2,3,4 kagawa@iis.u-tokyo.ac.jp
Source: Acta Materialia. Nov2004, Vol. 52 Issue 19, p5645-5653. 9p.
Subjects: Surface coatings, Thin films, Radiation, High temperatures, Spectrum analysis, Oscillations
Abstract: Abstract: The thermal radiation energy of reflection and transmission properties of all-oxide layered thermal energy window coatings at temperatures up to 1273 K has been studied and four-layered Al2O3–ZrO2 and two-layered Al2O3–TiO2 coated sapphire substrates fabricated. The thicknesses of individual layers were in the range of 300–600 nm, where the interference effect was determined to appear. Light reflection spectrum at the wavelength region from 2.2 to 10 μm was measured from room temperature to 1273 K. The oscillation behavior of light reflection, which originates from the interference effect of the layered structure, appeared in the reflection spectra. This behavior in both coating systems is maintained up to 1273 K and the reflectance values remain nearly the same as those measured at room temperature. Retention of the oscillation behavior up to 1273 K indicates the possibility of controlling the thermal radiation energy in a high temperature environment using the oxide-layered coating. [Copyright &y& Elsevier]
Copyright of Acta Materialia is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 19302720
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Temperature dependence of thermal energy reflection in layered oxide ceramic for thermal energy window coating
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  Data: <searchLink fieldCode="AR" term="%22Naganuma%2C+T%2E%22">Naganuma, T.</searchLink><relatesTo>1</relatesTo><i> NAGANUMA.Tamaki@nims.go.jp</i><br /><searchLink fieldCode="AR" term="%22Kagawa%2C+Y%2E%22">Kagawa, Y.</searchLink><relatesTo>2,3,4</relatesTo><i> kagawa@iis.u-tokyo.ac.jp</i>
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  Data: <searchLink fieldCode="JN" term="%22Acta+Materialia%22">Acta Materialia</searchLink>. Nov2004, Vol. 52 Issue 19, p5645-5653. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Surface+coatings%22">Surface coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22Radiation%22">Radiation</searchLink><br /><searchLink fieldCode="DE" term="%22High+temperatures%22">High temperatures</searchLink><br /><searchLink fieldCode="DE" term="%22Spectrum+analysis%22">Spectrum analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Oscillations%22">Oscillations</searchLink>
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  Data: Abstract: The thermal radiation energy of reflection and transmission properties of all-oxide layered thermal energy window coatings at temperatures up to 1273 K has been studied and four-layered Al2O3–ZrO2 and two-layered Al2O3–TiO2 coated sapphire substrates fabricated. The thicknesses of individual layers were in the range of 300–600 nm, where the interference effect was determined to appear. Light reflection spectrum at the wavelength region from 2.2 to 10 μm was measured from room temperature to 1273 K. The oscillation behavior of light reflection, which originates from the interference effect of the layered structure, appeared in the reflection spectra. This behavior in both coating systems is maintained up to 1273 K and the reflectance values remain nearly the same as those measured at room temperature. Retention of the oscillation behavior up to 1273 K indicates the possibility of controlling the thermal radiation energy in a high temperature environment using the oxide-layered coating. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Acta Materialia is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.actamat.2004.08.026
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Thin films
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      – SubjectFull: Radiation
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      – SubjectFull: High temperatures
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      – SubjectFull: Spectrum analysis
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      – SubjectFull: Oscillations
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      – TitleFull: Temperature dependence of thermal energy reflection in layered oxide ceramic for thermal energy window coating
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              Text: Nov2004
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