Optical Properties of Aluminum

Ehrenreich, H.; Philipp, H. R.; Segall, B.

doi:10.1103/physrev.132.1918

Cited by 505 publications

(178 citation statements)

References 28 publications

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“…In order to enhance the shelf-life and durability of pixels, aluminium was specifically chosen in our pixel design. While not as favoured as gold or silver, owing to its appreciable losses in the infrared regime (4800 nm; refs 24,25), the uniform reflectivity of aluminium in the visible spectrum makes it particularly suitable for colour-printing applications 26,27 . Furthermore, its inherent formation of a thin (B2-3 nm) oxide layer that causes redshifts in the spectra 28 , and a reduction of sensitivity in applications such as Raman spectroscopy, is beneficial in colour printing.…”

Section: Resultsmentioning

confidence: 99%

Three-dimensional plasmonic stereoscopic prints in full colour

et al. 2014

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Metal nanostructures can be designed to scatter different colours depending on the polarization of the incident light. Such spectral control is attractive for applications such as high-density optical storage, but challenges remain in creating microprints with a single-layer architecture that simultaneously enables full-spectral and polarization control of the scattered light. Here we demonstrate independently tunable biaxial colour pixels composed of isolated nanoellipses or nanosquare dimers that can exhibit a full range of colours in reflection mode with linear polarization dependence. Effective polarization-sensitive full-colour prints are realized. With this, we encoded two colour images within the same area and further use this to achieve depth perception by realizing three-dimensional stereoscopic colour microprint. Coupled with the low cost and durability of aluminium as the functional material in our pixel design, such polarization-sensitive encoding can realize a wide spectrum of applications in colour displays, data storage and anti-counterfeiting technologies.

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Section: Resultsmentioning

confidence: 99%

Three-dimensional plasmonic stereoscopic prints in full colour

et al. 2014

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“…(8) and Eq. (9) have to be expressed as a function of the total electric field and they have to be spatially averaged 52 . In practice, for a quantity written in reciprocal space, the averaging procedure consists in keeping only the G = 0 component 52 .…”

Section: B Secondmentioning

confidence: 99%

Ab initiosecond-order nonlinear optics in solids: Second-harmonic generation spectroscopy from time-dependent density-functional theory

2010

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We present in detail the formulation of the ab initio theory we have developed for the calculation of the macroscopic second-order susceptibility χ (2) . We find a general expression for χ (2) valid for any fields, containing the ab initio relation between the microscopic and macroscopic formulation of the second-order responses. We consider the long wavelength limit and we develop our theory in the Time-Dependent Density-Functional Theory framework. This allows us to include straightforwardly many-body effects such as crystal local-field and excitonic effects. We compute the Second-Harmonic Generation spectra for the cubic semiconductors SiC, AlAs and GaAs and starting from the Independent-Particle Approximation for χ (2) , we include quasiparticle effects via the scissors operator, crystal local-field and excitonic effects. In particular, we consider two different types of kernels: the ALDA and the "long-range" kernel. We find good agreement with other theoretical calculations and experiments presented in literature, showing the importance of very accurate description of the many-body interactions.

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“…When the strong parallel-band effects in interband optical absorption of metals were revealed by Ehrenreich et al [5] and Harrison [6] and the first calculations of the band structure of Zn were carried out [7,8], the optical studies of Zn focused on the NIR-VIS spectral range, where optical features due to interband transitions were soon revealed by Graves and Lenham [9] and later were confirmed by numerous subsequent investigations [10][11][12][13].…”

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confidence: 95%

Interband optical transitions of Zn

Karpus

Tumėnas

Eikevičius

et al. 2016

Physica Status Solidi (b)

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Experimental results of an optical study of single-crystal zinc are presented. Components of the Zn dielectric function tensor were measured by spectroscopic ellipsometry in the 0.1-5 eV spectral range. In the NIR-VIS range, the dielectric function spectra show two clearly resolved, polarization-dependent optical features located at about 1 and 1.7 eV. The optical features were analyzed in a framework of parallel-band optical transitions. The performed theoretical calculations of the optical conductivity spectra well reproduce the experimental data with respect to positions, intensities, and polarization dependencies of the observed interband absorption peaks.

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Optical Properties of Aluminum

Cited by 505 publications

References 28 publications

Three-dimensional plasmonic stereoscopic prints in full colour

Three-dimensional plasmonic stereoscopic prints in full colour

Ab initiosecond-order nonlinear optics in solids: Second-harmonic generation spectroscopy from time-dependent density-functional theory

Interband optical transitions of Zn

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