Advanced scanning near-field optical microscopy of semiconducting materials and devices

被引:0
|
作者
Cramer, RM [1 ]
Heiderhoff, R [1 ]
Selbeck, J [1 ]
Balk, LJ [1 ]
机构
[1] Berg Univ Gesamthsch Wuppertal, Lehrstuhl Elekt, D-42097 Wuppertal, Germany
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TH742 [显微镜];
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摘要
In this work we demonstrate the application of near-field optical techniques for high-resolution optical beam induced current (OBIC) and cathodoluminescence (CL) measurements. For the OBIC setup, a small aperture at the apex of an optical fiber is used as a nanoscopical light source for the excitation of electron-hole-pairs. Near-field detection cathodoluminescence analyses are carried out by means of an SEM-SNOM hybrid system, where the sample is homogeneously irradiated by a high energy electron beam while the emitted light is locally detected in the near-field.
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页码:685 / 688
页数:4
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