Dispersion of refractive index of β-[Ga.sub.2][O.sub.3] thin films
The dispersion of the refractive index of β-[Ga.sub.2][O.sub.3] thin films obtained by RF-sputtering was investigated. Anomalous dispersion was observed for films annealed in hydrogen; normal dispersion, for films annealed in oxygen or argon. The spectral dependence in the visible region of the refr...
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| Veröffentlicht in: | Journal of applied spectroscopy 2014-11, Vol.81 (5), p.771 |
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| container_title | Journal of applied spectroscopy |
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| creator | Bordun, O.M Kukharskyy, I. Yo Bordun, B.O Lushchanets, V.B |
| description | The dispersion of the refractive index of β-[Ga.sub.2][O.sub.3] thin films obtained by RF-sputtering was investigated. Anomalous dispersion was observed for films annealed in hydrogen; normal dispersion, for films annealed in oxygen or argon. The spectral dependence in the visible region of the refractive index with normal dispersion was determined mainly by transitions from the top of the valence band formed by oxygen 2p-states to the bottom of the conduction band formed by hybridization of oxygen 2p-states and gallium 4s-states. The single-oscillator approximation parameters, dispersion energy, degree of ionic chemical bonding, and coordination number were found for films with normal dispersion. |
| doi_str_mv | 10.1007/s10812-014-0004-9 |
| format | Article |
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Yo ; Bordun, B.O ; Lushchanets, V.B</creator><creatorcontrib>Bordun, O.M ; Kukharskyy, I. Yo ; Bordun, B.O ; Lushchanets, V.B</creatorcontrib><description>The dispersion of the refractive index of β-[Ga.sub.2][O.sub.3] thin films obtained by RF-sputtering was investigated. Anomalous dispersion was observed for films annealed in hydrogen; normal dispersion, for films annealed in oxygen or argon. The spectral dependence in the visible region of the refractive index with normal dispersion was determined mainly by transitions from the top of the valence band formed by oxygen 2p-states to the bottom of the conduction band formed by hybridization of oxygen 2p-states and gallium 4s-states. The single-oscillator approximation parameters, dispersion energy, degree of ionic chemical bonding, and coordination number were found for films with normal dispersion.</description><identifier>ISSN: 0021-9037</identifier><identifier>EISSN: 1573-8647</identifier><identifier>DOI: 10.1007/s10812-014-0004-9</identifier><language>eng</language><publisher>Springer</publisher><subject>Chemical properties ; Dielectric films ; Equipment and supplies ; Fiber optics ; Hydrogen ; Thin films</subject><ispartof>Journal of applied spectroscopy, 2014-11, Vol.81 (5), p.771</ispartof><rights>COPYRIGHT 2014 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Bordun, O.M</creatorcontrib><creatorcontrib>Kukharskyy, I. Yo</creatorcontrib><creatorcontrib>Bordun, B.O</creatorcontrib><creatorcontrib>Lushchanets, V.B</creatorcontrib><title>Dispersion of refractive index of β-[Ga.sub.2][O.sub.3] thin films</title><title>Journal of applied spectroscopy</title><description>The dispersion of the refractive index of β-[Ga.sub.2][O.sub.3] thin films obtained by RF-sputtering was investigated. Anomalous dispersion was observed for films annealed in hydrogen; normal dispersion, for films annealed in oxygen or argon. The spectral dependence in the visible region of the refractive index with normal dispersion was determined mainly by transitions from the top of the valence band formed by oxygen 2p-states to the bottom of the conduction band formed by hybridization of oxygen 2p-states and gallium 4s-states. The single-oscillator approximation parameters, dispersion energy, degree of ionic chemical bonding, and coordination number were found for films with normal dispersion.</description><subject>Chemical properties</subject><subject>Dielectric films</subject><subject>Equipment and supplies</subject><subject>Fiber optics</subject><subject>Hydrogen</subject><subject>Thin films</subject><issn>0021-9037</issn><issn>1573-8647</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpVjs9KAzEQh4MoWKsP4G2vHrJOktlkcyxVa6FQ0N5KKenupEbaXWm20ufyQfpMxj8HZQ4z_Pi-4cfYtYBcAJjbKKAUkoNADgDI7QnricIoXmo0p6wHIAW3oMw5u4jxNTG2lNBjw7sQ32gXQ9tkrc925Heu6sI7ZaGp6fCVHT_4fOTyuF_lcjGffh9qkXUvocl82GzjJTvzbhPp6nf32ezhfjZ85JPpaDwcTPjaKMPrukAvSyw0WbMqlJPWkkZtSqy8qlYVisppUaMnA77wupReWXTCoLcWC9Vn-c_btdvQMjS-7VLXNDVtQ9U2lMrQcqCsQJ0kk4Sbf0JiOjp0a7ePcTl-fvrLfgKqRl0I</recordid><startdate>20141101</startdate><enddate>20141101</enddate><creator>Bordun, O.M</creator><creator>Kukharskyy, I. 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Anomalous dispersion was observed for films annealed in hydrogen; normal dispersion, for films annealed in oxygen or argon. The spectral dependence in the visible region of the refractive index with normal dispersion was determined mainly by transitions from the top of the valence band formed by oxygen 2p-states to the bottom of the conduction band formed by hybridization of oxygen 2p-states and gallium 4s-states. The single-oscillator approximation parameters, dispersion energy, degree of ionic chemical bonding, and coordination number were found for films with normal dispersion.</abstract><pub>Springer</pub><doi>10.1007/s10812-014-0004-9</doi><tpages>5</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Chemical properties Dielectric films Equipment and supplies Fiber optics Hydrogen Thin films |
| title | Dispersion of refractive index of β-[Ga.sub.2][O.sub.3] thin films |
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