Scanning Tunneling Spectroscopy of Nanofeatures on Silver-Selenide Surface

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概要

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• Scanning tunneling spectroscopy (STS) was performed to characterize nanofeatures on silver-selenide (Ag-Se) surface chemically modified by scanning tunneling microscopy (STM). Differential conductivity and gap-modulation images of the topologically modified surface show no structures, verifying no accumulatioua of Ag ions and chemically homogeneous surface. Moreover, current-voltage characteristics show that the Ag-Se surface is semiconductive. These characteristics change with the period of application of bias voltage, revealing the dynamical movement of Ag ions; lateral movement on the surface and migration into the matrix. These results suggest that these methods are powerful for chemically analyzing the fabricated nanofeatures.

• 社団法人応用物理学会の論文
• 1993-06-30

著者

• UTSUGI Yasushi

  NTT LSI Laboratories

• Utsugi Y

  Ntt Lsi Laboratories Nippon Telegraph And Telephone Corporation

• Utsugi Yasushi

  Ntt Laboratories

関連論文

• Characteristics of Ag-Se/Ge-Se as a Recording Medium for X-Ray Holograms
• Lattice-Dynamical Aspects in Photoexcited Chalcogenide Glasses
• Scanning Tunneling Spectroscopy of Nanofeatures on Silver-Selenide Surface

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