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Structure and Optical Properties of Al_(1-x)Sc_xN Thin Films

机译:Al_(1-x)Sc_xN薄膜的结构和光学性质

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摘要

In this study, c-axis oriented A1N and Al_(1-x)Sc_xN films have been successfully grown on Si (100) and quartz glass by DC magnetron reactive sputtering method. The XRD patterns show that the crystal structure of the Al_(1-x)Sc_xN films is (002) orientation. The grain size and band gap energy (Eg) of the Al_(1-x)Sc_xN films decrease as the Sc concentration increases. The frequency of the E2 (high) mode observed in the Al_(1-x)Sc_xN films shows higher red shift compared to that observed in AlN film and the peak shifts to the low wave number with the increasing of Sc concentration.
机译:在这项研究中,已通过直流磁控反应溅射法在硅(100)和石英玻璃上成功生长了c轴取向的AlN和Al_(1-x)Sc_xN薄膜。 XRD图谱表明Al_(1-x)Sc_xN膜的晶体结构为(002)取向。随着Sc浓度的增加,Al_(1-x)Sc_xN薄膜的晶粒尺寸和带隙能(Eg)减小。在Al_(1-x)Sc_xN薄膜中观察到的E2(高)模式的频率显示出比在AlN薄膜中观察到的更高的红移,并且随着Sc浓度的增加,峰向低波数移动。

著录项

  • 来源
    《Inorganic thin films and coatings》|2012年|140-143|共4页
  • 会议地点 Guilin(CN)
  • 作者单位

    Department of Electronic Information Materials, School of Materials Science and Engineering,Shanghai University, 149 Yanchang Road, Shanghai 200072, China;

    Department of Electronic Information Materials, School of Materials Science and Engineering,Shanghai University, 149 Yanchang Road, Shanghai 200072, China;

    Department of Electronic Information Materials, School of Materials Science and Engineering,Shanghai University, 149 Yanchang Road, Shanghai 200072, China;

    Department of Electronic Information Materials, School of Materials Science and Engineering,Shanghai University, 149 Yanchang Road, Shanghai 200072, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Thin film; Scandium; Aluminum Nitride; Structure; Optical property;

    机译:薄膜;钪;氮化铝;结构体;光学性质;

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