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Anisotropic optical properties of silver nanoparticle arrays on rippled dielectric surfaces produced by low-energy ion erosion

机译:低能量离子腐蚀在波纹电介质表面上形成银纳米粒子阵列的各向异性光学性质

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摘要

Nanoripple patterns with long-range order have been fabricated on amorphous dielectric films by Xe~+ ion etching. They are used as templates to elaborate organized arrays of aligned Ag nanoparticles by grazing incidence ion-beam sputtering. The particles present an ellipsoidal shape with a major axis parallel to the ripples. Optical calculations show that both the spatial organization and shape anisotropies contribute to a strong dependence of the surface-plasmon resonance of the nanocomposite films on the orientation of the electric field.
机译:通过Xe〜+离子刻蚀在非晶态介电膜上制备了具有长程有序的纳米波纹图形。它们被用作模板,通过掠入射离子束溅射来细化对齐的Ag纳米粒子的有组织阵列。颗粒呈椭圆形,长轴平行于波纹。光学计算表明,空间组织和形状各向异性均对纳米复合膜的表面等离子体共振产生了强烈的电场依赖性。

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  • 来源
    《Physical review》 |2009年第15期|155434.1-155434.10|共10页
  • 作者单位

    Laboratoire de Physique des Materiaux (PHYMAT), UMR 6630 CNRS, Universite de Poitiers, SP2MI, Teleport 2, Boulevard Marie et Pierre Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France;

    Laboratoire de Physique des Materiaux (PHYMAT), UMR 6630 CNRS, Universite de Poitiers, SP2MI, Teleport 2, Boulevard Marie et Pierre Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France Laboratoire de Chimie de la Matiere Condensee de Paris, Universite P. et M. Curie-Paris 6/CNRS-UMR 7574/ ENSCP, France;

    Laboratoire de Physique des Materiaux (PHYMAT), UMR 6630 CNRS, Universite de Poitiers, SP2MI, Teleport 2, Boulevard Marie et Pierre Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France;

    Laboratoire de Physique des Materiaux (PHYMAT), UMR 6630 CNRS, Universite de Poitiers, SP2MI, Teleport 2, Boulevard Marie et Pierre Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France;

    Laboratoire de Physique des Materiaux (PHYMAT), UMR 6630 CNRS, Universite de Poitiers, SP2MI, Teleport 2, Boulevard Marie et Pierre Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures; nanoscale materials and structures: fabrication and characterization;

    机译:低维;介观和纳米级材料和结构的光学特性;纳米级材料和结构:制造和表征;

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