Intense Monochromatic Light Emission from Multiple Nanoscale Twin Boundaries in Indirect-gap AlGaAs Epilayers

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概要

• 論文の詳細を見る

• The optical properties of multiple nanoscale twin boundaries in indirect-gap AlGaAs epilayers were studied. Twin boundaries of $\Sigma 3$-type, extended on {111}B, were self-organized in an epilayer during the epitaxial growth on an AlGaAs(001) substrate by metal–organic vapor-phase epitaxy. Polarized cathodoluminescence spectroscopy in a transmission electron microscope revealed that a set of parallel twin boundaries arranged at similar intervals of nanometer length emits an intense monochromatic light polarized parallel to the boundaries. The photon energy was tunable by controlling the intervals of the boundaries, without changing the crystal structure and the composition.

• Japan Society of Applied Physicsの論文
• 2007-09-25

著者

• Ohno Yutaka

  Institute For Materials Research Tohoku University

• Takeda Seiji

  Department Of Botany Graduate School Of Science Kyoto University

• Yamamoto Naoki

  Department Of Bioinformatics Faculty Of Engineering Soka University

• Ohno Yutaka

  Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

• Yamamoto Naoki

  Department of Condensed Matter Physics, Tokyo Institute of Technology, Tokyo 152-8551, Japan

• Shoda Kaoru

  Department of Physics, Graduate School of Science, Osaka University, Osaka 560-0043, Japan

• Shoda Kaoru

  Department of Physics, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan

• Takeda Seiji

  Department of Physics, Graduate School of Science, Osaka University, Osaka 560-0043, Japan

• OHNO Yutaka

  Institute for Materials Research (IMR), Tohoku University

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