Noble-metal-based transparent infrared reflectors: experiments and theoretical analyses for very thin gold films
Very thin gold films were prepared on glass by ion plating (IP) and by conventional evaporation (CE). Below a certain thickness—∼9 nm for IP and ∼15 nm for CE—the films comprised a metal network; above this thickness we found uniform films. Optical properties were recorded by spectrophotometry. Cons...
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| Veröffentlicht in: | Journal of applied physics 1986-01, Vol.59 (2), p.571-581 |
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| container_end_page | 581 |
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| container_issue | 2 |
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| container_title | Journal of applied physics |
| container_volume | 59 |
| creator | SMITH, G. B NIKLASSON, G. A SVENSSON, J. S. E. M GRANQVIST, C. G |
| description | Very thin gold films were prepared on glass by ion plating (IP) and by conventional evaporation (CE). Below a certain thickness—∼9 nm for IP and ∼15 nm for CE—the films comprised a metal network; above this thickness we found uniform films. Optical properties were recorded by spectrophotometry. Conspicuous near-infrared transmittance plateaus were seen in network films. This effect is conducive to high solar transmission. The spectral features were explained from effective medium theories based on the film structure. The uniform films were consistent with the Drude theory, provided that an anomalously large frequency dependence of the relaxation energy was invoked. Significant induced transmission was found in calculations on dielectric/gold/dielectric coatings. Our results lead to improved noble-metal-based transparent infrared reflectors for potential use on energy efficient windows. |
| doi_str_mv | 10.1063/1.336615 |
| format | Article |
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B ; NIKLASSON, G. A ; SVENSSON, J. S. E. M ; GRANQVIST, C. G</creator><creatorcontrib>SMITH, G. B ; NIKLASSON, G. A ; SVENSSON, J. S. E. M ; GRANQVIST, C. G</creatorcontrib><description>Very thin gold films were prepared on glass by ion plating (IP) and by conventional evaporation (CE). Below a certain thickness—∼9 nm for IP and ∼15 nm for CE—the films comprised a metal network; above this thickness we found uniform films. Optical properties were recorded by spectrophotometry. Conspicuous near-infrared transmittance plateaus were seen in network films. This effect is conducive to high solar transmission. The spectral features were explained from effective medium theories based on the film structure. The uniform films were consistent with the Drude theory, provided that an anomalously large frequency dependence of the relaxation energy was invoked. Significant induced transmission was found in calculations on dielectric/gold/dielectric coatings. Our results lead to improved noble-metal-based transparent infrared reflectors for potential use on energy efficient windows.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.336615</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Woodbury, NY: American Institute of Physics</publisher><subject>Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Optical elements, devices, and systems ; Optics ; Physics ; Reflectors, beam splitters, and deflectors</subject><ispartof>Journal of applied physics, 1986-01, Vol.59 (2), p.571-581</ispartof><rights>1986 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c285t-fd94ae0883d822ba163351d048d12c36655e1db97dfdca2aece79da3e0c0cd663</citedby><cites>FETCH-LOGICAL-c285t-fd94ae0883d822ba163351d048d12c36655e1db97dfdca2aece79da3e0c0cd663</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8821981$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>SMITH, G. 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The uniform films were consistent with the Drude theory, provided that an anomalously large frequency dependence of the relaxation energy was invoked. Significant induced transmission was found in calculations on dielectric/gold/dielectric coatings. Our results lead to improved noble-metal-based transparent infrared reflectors for potential use on energy efficient windows.</description><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Optical elements, devices, and systems</subject><subject>Optics</subject><subject>Physics</subject><subject>Reflectors, beam splitters, and deflectors</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><recordid>eNo9kM1LxDAQxYMouK6Cf0IOIl66ZpJ-JN5k8QsWvei5pMlUK9m2Zrri_vdGdvE0M7w3D36PsXMQCxCluoaFUmUJxQGbgdAmq4pCHLKZEBIybSpzzE6IPoUA0MrM2Pg8NAGzNU42ZI0l9HyKtqfRRuwn3vVtTJvnEduAbhoi3XD8GTF266QTt316-MAh4tQ5G9Jtw5aQeDtE_o1xm9Su5-9D8LztwppO2VFrA-HZfs7Z2_3d6_IxW708PC1vV5mTupiy1pvcotBaeS1lY6FUqgAvcu1BukRYFAi-MZVvvbPSosPKeKtQOOF8Wao5u9zljnH42iBN9bojhyHYHocN1TIHqXNVJePVzujiQJQ46zHB2bitQdR_ldZQ7ypN1ot9pqUEm6rpXUf_fq0lGA3qF3tOd-o</recordid><startdate>19860115</startdate><enddate>19860115</enddate><creator>SMITH, G. 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G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Noble-metal-based transparent infrared reflectors: experiments and theoretical analyses for very thin gold films</atitle><jtitle>Journal of applied physics</jtitle><date>1986-01-15</date><risdate>1986</risdate><volume>59</volume><issue>2</issue><spage>571</spage><epage>581</epage><pages>571-581</pages><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Very thin gold films were prepared on glass by ion plating (IP) and by conventional evaporation (CE). Below a certain thickness—∼9 nm for IP and ∼15 nm for CE—the films comprised a metal network; above this thickness we found uniform films. Optical properties were recorded by spectrophotometry. Conspicuous near-infrared transmittance plateaus were seen in network films. This effect is conducive to high solar transmission. The spectral features were explained from effective medium theories based on the film structure. The uniform films were consistent with the Drude theory, provided that an anomalously large frequency dependence of the relaxation energy was invoked. Significant induced transmission was found in calculations on dielectric/gold/dielectric coatings. Our results lead to improved noble-metal-based transparent infrared reflectors for potential use on energy efficient windows.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.336615</doi><tpages>11</tpages></addata></record> |
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| issn | 0021-8979 1089-7550 |
| language | eng |
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| source | AIP Digital Archive |
| subjects | Exact sciences and technology Fundamental areas of phenomenology (including applications) Optical elements, devices, and systems Optics Physics Reflectors, beam splitters, and deflectors |
| title | Noble-metal-based transparent infrared reflectors: experiments and theoretical analyses for very thin gold films |
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