Characteristics of light absorption in nickel-chromium alloys

Gorban, N. Ya.; Stashchuk, V. S.; Shishlovskii, A. A.

doi:10.1007/bf00607471

Cited by 2 publications

(3 citation statements)

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“…As the integration is performed from 2.5 µm it includes a part of the experimental range where interband transitions contribute significantly to the spectral emittance. According to Gorban and Stashchuk [9], the spectral optical conductivity shows a dispersion related to interband transitions at least up to 5 µm. The interband contribution increases the integrated emittance but not the dc resistivity.…”

Section: Relation Between the Emittance And The Resistancementioning

confidence: 93%

“…The optical properties of NiCr had earlier been studied for the nickel-rich alloys in the wavelength range 0.25-17 µm and alloy concentrations from 2 to 32% Cr [7][8][9]. The optical absorption was studied in terms of the optical conductivity and discussed in terms of electronic interband transitions in pure nickel.…”

Section: Introductionmentioning

confidence: 99%

“…The inter-and intraband optical conductivity were separated in intraband and interband processes using a two-band model for the interband contribution. According to [8] the Hagen-Rubens relation fits to experimental data in the wavelength range 12-17 µm.…”

Section: Introductionmentioning

confidence: 99%

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Infrared emittance of Ni_x–Cr_1 xalloys

Gelin¹,

Wäckelgård²

2004

J. Phys.: Condens. Matter

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The purpose of this study was to investigate the relation between the infrared emittance (at 10 µm) and the alloy concentration for NixCr1−x and to find out if the Hagen–Ruben relation could be applicable to this system. The work showed that the Hagen–Ruben relation was valid for the nickel-rich fcc-phase alloys from 11–43% Cr. This indicates that intraband transitions dominate over interband transitions in the infrared wavelength range due to impurity scattering. It was also found that an integrated formulation of the Hagen–Ruben relation could be used for the integrated room temperature thermal emittance. A similar study has recently been performed on the CuyNi1−y fcc-phase system where the Hagen–Ruben relation was valid for both copper-rich and nickel-rich alloys.

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Section: Relation Between the Emittance And The Resistancementioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%