Direct observation of a neutral Mn acceptor in Ga 1-xMn xAs by resonant x-ray emission spectroscopy

Y. Ishiwata, T. Takeuchi, R. Eguchi, M. Watanabe, Y. Harada, K. Kanai, A. Chainani, M. Taguchi, S. Shin, M. C. Debnath, I. Souma, Y. Oka, T. Hayashi, Y. Hashimoto, S. Katsumoto, Y. Iye

研究成果: Article

6 引文 斯高帕斯(Scopus)

摘要

We have investigated the Mn acceptor state of III-V-based diluted magnetic semiconductor Ga 1-xMn xAs by means of high-resolution resonant x-ray emission spectroscopy, across the Mn L 3 edge. We identify the coexistence of signals related to the neutral impurity A 0 and the ionized acceptor state A - in Ga 1-xMn xAs. This fact suggests that double-exchange-like interaction exists in the ferromagnetic coupling in addition to the free-carrier-induced interaction.

原文English
文章編號121202
期刊Physical Review B - Condensed Matter and Materials Physics
71
發行號12
DOIs
出版狀態Published - 2005 三月 15

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Ishiwata, Y., Takeuchi, T., Eguchi, R., Watanabe, M., Harada, Y., Kanai, K., Chainani, A., Taguchi, M., Shin, S., Debnath, M. C., Souma, I., Oka, Y., Hayashi, T., Hashimoto, Y., Katsumoto, S., & Iye, Y. (2005). Direct observation of a neutral Mn acceptor in Ga 1-xMn xAs by resonant x-ray emission spectroscopy. Physical Review B - Condensed Matter and Materials Physics, 71(12), [121202]. https://doi.org/10.1103/PhysRevB.71.121202