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Plasmonic characteristics of Ag and ITO/Ag ultrathin films as-grown by sputtering at room temperature and after heating

Identifieur interne : 000703 ( Main/Repository ); précédent : 000702; suivant : 000704

Plasmonic characteristics of Ag and ITO/Ag ultrathin films as-grown by sputtering at room temperature and after heating

Auteurs : RBID : Pascal:13-0320153

Descripteurs français

Pascal (Inist)
- Dépôt pulvérisation, Traitement thermique, Pulvérisation cathodique, Epaisseur couche, Propriété optique, Constante optique, Couche ultramince, Plasmonique, Argent, Oxyde d'étain, Oxyde d'indium, Azote, Plasmon surface, Mobilité porteur charge, Amas particule, Diffusion(transport), Substrat verre, 66.
Wicri :
- concept : Argent, Azote.

English descriptors

KwdEn :
- Carrier mobility, Cathode sputtering, Diffusion, Heat treatments, Indium oxide, Layer thickness, Nitrogen, Optical constants, Optical properties, Particle cluster, Plasmonics, Silver, Sputter deposition, Surface plasmons, Tin oxide, Ultrathin films.

Abstract

Ag and ITO/Ag ultrathin films have been prepared by magnetron sputtering on unheated glass substrates. The Ag mass thickness was varied from 6 to 30 nm by increasing the deposition time, whereas the ITO film thickness was fixed at 30 nm. The optical, structural and morphological properties of the samples were analysed as-grown at room temperature and after heating at 300 °C in flowing nitrogen. The optical characteristics of the Ag samples have been modelled according to a system which has different contributions from bulk-like features to surface-plasmon characteristics arising from spheroidal particles with reduced carrier mobilities. The as-grown Ag morphological data are consistent with particle clusters that are loosely connected at the lowest deposition times and become wetted in a smooth film only when the deposition time increases. For the uncoated Ag samples, the heating at 300 °C produced surface migrations and reorganizations that resulted in films with a higher crystallite size in preferential Ag (111) orientation, together with significant changes in the surface roughness and the optical absorption. The ITO coating deposition process induced also some morphological changes, but the optical characteristics of the ITO/Ag stacks remained practically unchanged with respect to the analogous uncoated silver samples. Besides, the ITO coating has avoided that the underlying silver could migrate and agglomerate during the thermal treatment, although it has allowed the Ag (111) recrystallization.

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<author><name sortKey="Guillen, C" uniqKey="Guillen C">C. Guillen</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Dep. Energía, CIEMAT, Av. Complutense 40</s1>
<s2>Madrid 28040</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Espagne</country>
<placeName><region nuts="2" type="communauté">Communauté de Madrid</region>
</placeName>
</affiliation>
</author>
<author><name sortKey="Herrero, J" uniqKey="Herrero J">J. Herrero</name>
<affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Dep. Energía, CIEMAT, Av. Complutense 40</s1>
<s2>Madrid 28040</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
<country>Espagne</country>
<placeName><region nuts="2" type="communauté">Communauté de Madrid</region>
</placeName>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="inist">13-0320153</idno>
<date when="2013">2013</date>
<idno type="stanalyst">PASCAL 13-0320153 INIST</idno>
<idno type="RBID">Pascal:13-0320153</idno>
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<seriesStmt><idno type="ISSN">0022-3727</idno>
<title level="j" type="abbreviated">J. phys., D. Appl. phys. : (Print)</title>
<title level="j" type="main">Journal of physics. D, Applied physics : (Print)</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Carrier mobility</term>
<term>Cathode sputtering</term>
<term>Diffusion</term>
<term>Heat treatments</term>
<term>Indium oxide</term>
<term>Layer thickness</term>
<term>Nitrogen</term>
<term>Optical constants</term>
<term>Optical properties</term>
<term>Particle cluster</term>
<term>Plasmonics</term>
<term>Silver</term>
<term>Sputter deposition</term>
<term>Surface plasmons</term>
<term>Tin oxide</term>
<term>Ultrathin films</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Dépôt pulvérisation</term>
<term>Traitement thermique</term>
<term>Pulvérisation cathodique</term>
<term>Epaisseur couche</term>
<term>Propriété optique</term>
<term>Constante optique</term>
<term>Couche ultramince</term>
<term>Plasmonique</term>
<term>Argent</term>
<term>Oxyde d'étain</term>
<term>Oxyde d'indium</term>
<term>Azote</term>
<term>Plasmon surface</term>
<term>Mobilité porteur charge</term>
<term>Amas particule</term>
<term>Diffusion(transport)</term>
<term>Substrat verre</term>
<term>66</term>
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<term>Azote</term>
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<front><div type="abstract" xml:lang="en">Ag and ITO/Ag ultrathin films have been prepared by magnetron sputtering on unheated glass substrates. The Ag mass thickness was varied from 6 to 30 nm by increasing the deposition time, whereas the ITO film thickness was fixed at 30 nm. The optical, structural and morphological properties of the samples were analysed as-grown at room temperature and after heating at 300 °C in flowing nitrogen. The optical characteristics of the Ag samples have been modelled according to a system which has different contributions from bulk-like features to surface-plasmon characteristics arising from spheroidal particles with reduced carrier mobilities. The as-grown Ag morphological data are consistent with particle clusters that are loosely connected at the lowest deposition times and become wetted in a smooth film only when the deposition time increases. For the uncoated Ag samples, the heating at 300 °C produced surface migrations and reorganizations that resulted in films with a higher crystallite size in preferential Ag (111) orientation, together with significant changes in the surface roughness and the optical absorption. The ITO coating deposition process induced also some morphological changes, but the optical characteristics of the ITO/Ag stacks remained practically unchanged with respect to the analogous uncoated silver samples. Besides, the ITO coating has avoided that the underlying silver could migrate and agglomerate during the thermal treatment, although it has allowed the Ag (111) recrystallization.</div>
</front>
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<fA11 i1="01" i2="1"><s1>GUILLEN (C.)</s1>
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<fA11 i1="02" i2="1"><s1>HERRERO (J.)</s1>
</fA11>
<fA14 i1="01"><s1>Dep. Energía, CIEMAT, Av. Complutense 40</s1>
<s2>Madrid 28040</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<fC01 i1="01" l="ENG"><s0>Ag and ITO/Ag ultrathin films have been prepared by magnetron sputtering on unheated glass substrates. The Ag mass thickness was varied from 6 to 30 nm by increasing the deposition time, whereas the ITO film thickness was fixed at 30 nm. The optical, structural and morphological properties of the samples were analysed as-grown at room temperature and after heating at 300 °C in flowing nitrogen. The optical characteristics of the Ag samples have been modelled according to a system which has different contributions from bulk-like features to surface-plasmon characteristics arising from spheroidal particles with reduced carrier mobilities. The as-grown Ag morphological data are consistent with particle clusters that are loosely connected at the lowest deposition times and become wetted in a smooth film only when the deposition time increases. For the uncoated Ag samples, the heating at 300 °C produced surface migrations and reorganizations that resulted in films with a higher crystallite size in preferential Ag (111) orientation, together with significant changes in the surface roughness and the optical absorption. The ITO coating deposition process induced also some morphological changes, but the optical characteristics of the ITO/Ag stacks remained practically unchanged with respect to the analogous uncoated silver samples. Besides, the ITO coating has avoided that the underlying silver could migrate and agglomerate during the thermal treatment, although it has allowed the Ag (111) recrystallization.</s0>
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<fC03 i1="01" i2="3" l="FRE"><s0>Dépôt pulvérisation</s0>
<s5>41</s5>
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<fC03 i1="01" i2="3" l="ENG"><s0>Sputter deposition</s0>
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<s5>44</s5>
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<s5>45</s5>
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<fC03 i1="09" i2="3" l="ENG"><s0>Silver</s0>
<s2>NC</s2>
<s5>62</s5>
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<fC03 i1="10" i2="X" l="FRE"><s0>Oxyde d'étain</s0>
<s5>63</s5>
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<fC03 i1="10" i2="X" l="ENG"><s0>Tin oxide</s0>
<s5>63</s5>
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<fC03 i1="10" i2="X" l="SPA"><s0>Estaño óxido</s0>
<s5>63</s5>
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<s5>64</s5>
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<s5>64</s5>
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<s5>64</s5>
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<s5>65</s5>
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<s2>NC</s2>
<s5>65</s5>
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<fC03 i1="13" i2="3" l="FRE"><s0>Plasmon surface</s0>
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<fC03 i1="13" i2="3" l="ENG"><s0>Surface plasmons</s0>
<s5>66</s5>
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<fC03 i1="14" i2="3" l="FRE"><s0>Mobilité porteur charge</s0>
<s5>67</s5>
</fC03>
<fC03 i1="14" i2="3" l="ENG"><s0>Carrier mobility</s0>
<s5>67</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Amas particule</s0>
<s5>68</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Particle cluster</s0>
<s5>68</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Enjambre partícula</s0>
<s5>68</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE"><s0>Diffusion(transport)</s0>
<s5>69</s5>
</fC03>
<fC03 i1="16" i2="3" l="ENG"><s0>Diffusion</s0>
<s5>69</s5>
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<fC03 i1="17" i2="3" l="FRE"><s0>Substrat verre</s0>
<s4>INC</s4>
<s5>71</s5>
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<s4>INC</s4>
<s5>91</s5>
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</fN21>
<fN44 i1="01"><s1>OTO</s1>
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Plasmonic characteristics of Ag and ITO/Ag ultrathin films as-grown by sputtering at room temperature and after heating

Plasmonic characteristics of Ag and ITO/Ag ultrathin films as-grown by sputtering at room temperature and after heating

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri