The optical properties of copper and gold as a function of temperature
- 1 October 1969
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 2 (10) , 1835-1846
- https://doi.org/10.1088/0022-3719/2/10/318
Abstract
The optical absorption spectra of copper and of gold have been measured polarimetrically as a function of temperature, while in ultra-high vacuum. The copper spectrum was obtained from 17-59 eV over the temperature range 77-920 °K and that of gold from 05-59 eV over the temperature range 295-770 °K. The main absorption peaks of both metals were found to vary with temperature and by comparison with calculations for the band structure of copper for various lattice parameters it was possible to identify peak positions with the following transitions: for copper, X5 -> X4prime at 397 eV, L2prime -> L1u at 478 eV and L11 -> EF(L2prime) at 532 eV, for gold L2prime -> L1u at 408 eV and X5 -> X4prime at 455 eV.Keywords
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