@article{CTT100589217,
  author = {Yutaka Hoshina and Kojiro Iwasaki and AKIRA YAMADA and MAKOTO KONAGAI},
  title = {First-Principles Analysis of Indirect-to-Direct Band Gap Transition of Ge under Tensile Strain},
  journal = {Jpn. J. Appl. Phys.},
  year = 2009,
}

@inproceedings{CTT100597950,
  author = {Y.Hoshina and K.Iwasaki and Akira Yamada and M.Konagai},
  title = {Growth and characterization of strain-induced Ge as a novel low bandgapabsorber},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100598014,
  author = {岩崎康二郎 and 星名 豊 and 隅田 洋 and 山田 明 and 小長井誠},
  title = {InxGa1-xAs仮想基板を用いた伸張歪Geの作製と評価},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100572570,
  author = {Yutaka Hoshina and Kojiro Iwasaki and Akira Yamada and Makoto Konagai},
  title = {First-principles Analysis of Indirect-to-Direct Band Gap Transition of Ge Under Tensile Strain},
  booktitle = {},
  year = 2008,
}