Preparation of Room-Temperature Photoluminescent Nanoparticles by Ultrafast Laser Processing of Single-Crystalline Ge

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概要

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• A nanostructured germanium surface was prepared by irradiating single-crystalline Ge with femtosecond laser pulses under an ambient condition. The processed samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction, and Raman spectroscopy. The results have demonstrated that the processed area contains small, nanosized particles attached to microstructures. Photoluminescence in the visible region as well as asymmetric broadening of the Raman spectral feature and its downward peak shift were observed from the processed Ge surface. Our approach can be applied to pattern photoluminescent Ge nanostructures with a spatial resolution of what?

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2005-07-15

著者

• Kim Chang

  Materials And Devices Lab Samsung Advanced Institute Of Technology

• Park Chong-ook

  Materials Evaluation Group Korea Research Institute Of Standards And Science

• Kim Hyun

  Optical Nano Metrology Group, Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea

• Park Myung-Il

  Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea

• Park Myung-Il

  Department of Material Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kuseong-dong, Yuseong-gu, Daejeon 305-701, Korea

• Park Chong-Ook

  Materials Evaluation Group, Korea Research Institute of Standards and Science, Daejeon 305-340, Korea

• Jeoung Sae

  Optical Nano Metrology Group, Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea

• Lee Jonggoo

  Optical Nano Metrology Group, Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea

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