# optical constants silver

Y. J. Lu, J. Kim, H. Y. Chen, C. Wu, N. Dabidian, C. E. Sanders, C. Y. Wang, M. Y. Lu, B. H. Li, X. Qiu, W. H. Chang, L. J. Chen, G. Shvets, C. K. Shih, and S. Gwo, “Plasmonic nanolaser using epitaxially grown silver film,” Science 337(6093), 450–453 (2012). Lett. In this paper, we report spectral ellipsometry measurements and analysis of a thick, epitaxially-grown, single-crystalline Ag film. Green, “Realistic Silver Optical Constants for Plasmonics,” Sci. [CrossRef], 6. 95(25), 257403 (2005). [Crossref], K. M. McPeak, S. V. Jayanti, S. J. P. Kress, S. Meyer, S. Iotti, A. Rossinelli, and D. J. Norris, “Plasmonic Films Can Easily Be Better: Rules and Recipes,” ACS Photonics 2(3), 326–333 (2015). Data from Ref. The Absorption Coefficient k. L. G. Schulz J. Opt. Rev. C 118(27), 15011–15018 (2014). S. Babar and J. H. Weaver, “Optical constants of Cu, Ag, and Au revisited,” Appl. For best results, use the separate Authors field to search for author names. B 23(12), 6408–6416 (1981). (a) Negative real part and (b) imaginary part of dielectric function of epitaxial 300 nm Ag from 1 to 4.2 eV (red). H. U. Yang, J. D’Archangel, M. L. Sundheimer, E. Tucker, G. D. Boreman, and M. B. Raschke, “Optical dielectric function of silver,” Phys. Data 38(4), 1013–1092 (2009). The 300 nm Ag film is optically thick, which was confirmed while analyzing the ellipsometric data, therefore the Si substrate has no influence. [Crossref], J. H. Park, P. Ambwani, M. Manno, N. C. Lindquist, P. Nagpal, S. H. Oh, C. Leighton, and D. J. Norris, “Single-crystalline silver films for plasmonics,” Adv. Junho Choi, Fei Cheng, Justin W. Cleary, Liuyang Sun, Chandriker Kavir Dass, Joshua R. Hendrickson, Chun-Yuan Wang, Shangjr Gwo, Chih-Kang Shih, and Xiaoqin Li, Junho Choi,1 Fei Cheng,1 Justin W. Cleary,2 Liuyang Sun,1 Chandriker Kavir Dass,2,3 Joshua R. Hendrickson,2 Chun-Yuan Wang,1,4 Shangjr Gwo,4 Chih-Kang Shih,1 and Xiaoqin Li1,*, 1Department of Physics, The University of Texas at Austin, Austin, Texas 78712, USA, 2Air Force Research Laboratory, Sensors Directorate, Wright-Patterson Air Force Base, Ohio 45433, USA, 3KBRwyle Laboratories, Inc., Dayton, Ohio 45431, USA, 4Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan, *Corresponding author: elaineli@physics.utexas.edu. The inset of (a) shows $-{\varepsilon _1}$ near 3.8 eV in linear scale, where the transition from negative to positive values concurs at the interband transition. 10. Article tables are available to subscribers only. 54(12) 1434-1437 (1964), J. M. Bennett, J. L. Stanford, and E. J. Ashley For example, a factor of 17 – 20% improvements are shown in ${L_{SPP}}$, ${Q_{LSPR}}$, and ${Q_{SPP}}$ at $\lambda$ = 7 $\mu m$ (see Appendix F for optical performances). Rev. Data from Ref. You may subscribe either as an OSA member, or as an authorized user of your institution. The sharp minimum in the curve for k near 3.8 ev, which is associated with the onset of interband transitions, is deeper than in previous results. Rev. We do not expect that either the values for Si or Al2O3 have appreciable influence on the extracted optical constants of Ag. Matter 22(14), 143201 (2010). K. M. McPeak, S. V. Jayanti, S. J. P. Kress, S. Meyer, S. Iotti, A. Rossinelli, and D. J. Norris, “Plasmonic Films Can Easily Be Better: Rules and Recipes,” ACS Photonics 2(3), 326–333 (2015). The fitting residues for the epitaxial Ag film are plotted below (a,b). Click here to see what's new. | PPT Slide | PDF. Use, Smithsonian Mater. 26(35), 6106–6110 (2014). Fig. Room temperature. This comparison demonstrates the variations among the existing literature values in this relatively narrow spectral range. However, the results reported in previous measurements show significant discrepancies due to different sample preparation procedure and most of these studies only cover a limited energy range [1,4,10–20]. Keep it simple - don't use too many different parameters. [16] (blue), and McPeak et al. Learn more about our response to COVID-19 including information for. 11. Click here to see a list of articles that cite this paper, View in Article | Download Full Size | PPT Slide | PDF. Contact your librarian or system administrator Such samples have only become available recently following the development of a rapid MBE growth method [21]. [Crossref], K. Stahrenberg, T. Herrmann, K. Wilmers, N. Esser, W. Richter, and M. J. G. Lee, “Optical properties of copper and silver in the energy range 2.5-9.0 eV,” Phys. H. Ditlbacher, A. Hohenau, D. Wagner, U. Kreibig, M. Rogers, F. Hofer, F. R. Aussenegg, and J. R. Krenn, “Silver nanowires as surface plasmon resonators,” Phys. Rev. Use quotation marks " " around specific phrases where you want the entire phrase only. Condens. Mater. F. Cheng, P.-H. Su, J. Choi, S. Gwo, X. Li, and C.-K. Shih, “Epitaxial Growth of Atomically Smooth Aluminum on Silicon and Its Intrinsic Optical Properties,” ACS Nano 10(11), 9852–9860 (2016). Sci. Fig. 7 demonstrate better optical performances of plasmonic structures based on our epitaxial Ag than those based on the optical constants reported by Palik and Yang. Use these formats for best results: Smith or J Smith, Use a comma to separate multiple people: J Smith, RL Jones, Macarthur. The Ag(111) peak of 300 nm Ag film shows a FWHM of ∼ 0.8°. 2(a) and 2(b) are the difference between the calculated effective dielectric function and the experimentally measured effective dielectric function. Lett. Rev. Surf. Mater. Representative functions of the Psemi-M0 oscillators are plotted to show how the parameters change the functions in panels (a-d). J. Opt. 111(6), 3669–3712 (2011). Am. [CrossRef], 12. Rev. Rev. Negative real part ($- {\varepsilon _1}$) and positive imaginary part (${\varepsilon _2}$) of the optical dielectric constants of the epitaxial Ag in the spectral range of 0.18 – 1 eV are plotted in Fig. [CrossRef], 2. [CrossRef], 31. Data 38(4), 1013–1092 (2009). Click here to learn more. P. Nagpal, N. C. Lindquist, S. H. Oh, and D. J. Norris, “Ultrasmooth patterned metals for plasmonics and metamaterials,” Science 325(5940), 594–597 (2009). Table 1. 54(3), 477–481 (2015). B 6(12), 4370–4379 (1972). (a) AFM image of the epitaxially grown 300 nm Ag film (about 2 nm Al2O3 capping layer). It could be due to better vacuum condition (∼ 10−8 mbar) in McPeak’s work compared to Yang’s work (∼ 10−6 mbar) during film deposition processes, or different growth rates that result in different grains. Note: Author names will be searched in the keywords field, also, but that may find papers where the person is mentioned, rather than papers they authored. has been used to fit optical dielectric constants over a broad spectral region with improved accuracy [25]. Mater. Rev. [CrossRef], 7. The full width at half-maximum (FWHM) of the Ag(111) peak is about 0.8°, demonstrating the high quality of crystallinity of the thick Ag film. Table 1 shows these values at a few selected wavelengths and compares them with previous reports. C. Y. Wang, H. Y. Chen, L. Sun, W. L. Chen, Y. M. Chang, H. Ahn, X. Li, and S. Gwo, “Giant colloidal silver crystals for low-loss linear and nonlinear plasmonics,” Nat. Asterisk ( * ) -- Example: "elect*" retrieves documents containing "electron," "electronic," and "electricity", Question mark (?) Rev. Calculated SPP lengths (LSPP) and the quality factors for localized surface plasmon resonances (QLSPR) and surface plasmon polaritons (QSPP) in the (a) infrared and (b) visible spectral ranges, respectively. 86(11-12), 328–376 (2011). M. G. Blaber, M. D. Arnold, and M. J. Ford, “A review of the optical properties of alloys and intermetallics for plasmonics,” J. Phys. [Crossref], Y. Wu, C. Zhang, N. M. Estakhri, Y. Zhao, J. Kim, M. Zhang, X. X. Liu, G. K. Pribil, A. Alu, C. K. Shih, and X. Li, “Intrinsic optical properties and enhanced plasmonic response of epitaxial silver,” Adv. Careful characterization measurements have demonstrated the superior properties of these single crystalline films with SPP propagation length exceeding 100 µm in the visible frequency range [4,5,9]. Fig. 86(11-12), 328–376 (2011). J. H. Park, P. Ambwani, M. Manno, N. C. Lindquist, P. Nagpal, S. H. Oh, C. Leighton, and D. J. Norris, “Single-crystalline silver films for plasmonics,” Adv. Rev. Soc. 6(1), 7734 (2015). C. Y. Wang, H. Y. Chen, L. Sun, W. L. Chen, Y. M. Chang, H. Ahn, X. Li, and S. Gwo, “Giant colloidal silver crystals for low-loss linear and nonlinear plasmonics,” Nat. Click here to see what's new. Soc. J. Opt. 24. }\!\lower0.7ex\hbox{${{r_s}}$}} = \tan \psi {e^{ - i{\Delta}}}$,$\varepsilon = {\varepsilon _1} + i{\varepsilon _2}$, (a) Negative real part and (b) imaginary part of dielectric function of epitaxial Ag film from 0.18 to 1 eV (red). Opt. This uncertainty likely resulted from the poor detector efficiency in the long wavelength range in those previous measurements. [CrossRef], 16. }\!\lower0.7ex\hbox{${{r_s}}$}} = \tan \psi {e^{ - i{\Delta}}}$, which provides direct access to the real and imaginary parts of the dielectric function without having to rely on a K-K analysis procedure [24]. Interfaces 6(14), 11791–11798 (2014). C. W. Chang, F. C. Lin, C. Y. Chiu, C. Y. Su, J. S. Huang, T. P. Perng, and T. J. [CrossRef], 29. 1(b). Mater. Learn more about our response to COVID-19 including information for, Junho Choi, Fei Cheng, Justin W. Cleary, Liuyang Sun, Chandriker Kavir Dass, Joshua R. Hendrickson, Chun-Yuan Wang, Shangjr Gwo, Chih-Kang Shih, and Xiaoqin Li, "Optical dielectric constants of single crystalline silver films in the long wavelength range," Opt.

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