@article{CTT100677504,
  author = {Marolop Simanullang and Koichi Usami and Tomohiro Noguchi and Akhmadi Surawijaya and Tetsuo Kodera and Yukio Kawano and Shunri Oda},
  title = {Surface passivation of germanium nanowires using Al2O3 and HfO2 deposited via atomic layer deposition (ALD) technique},
  journal = {Japanese Journal of Applied Physics},
  year = 2014,
}

@article{CTT100598688,
  author = {R. Singha and S. Das and Achintya Dhar and Samir K. Lahiri and Samit K. Ray and Akhmadi Surawijaya and Shunri Oda},
  title = {Single Hole Charging at Room Temperature of Ge Quantum Dots Grown on Si(001) by},
  journal = {Nanoscience and Nanotechnology Letters},
  year = 2009,
}

@inproceedings{CTT100699768,
  author = {Marolop Simanullang and Kouichi Usami and Tomohiro Noguchi and Akhmadi Surawijaya and Tetsuo Kodera and Yukio Kawano and Shunri Oda},
  title = {Surface passivation of germanium nanowires using Al2O3 and HfO2 deposited via atomic layer deposition (ALD) technique},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100653014,
  author = {Marolop Simanullang and 野口智弘 and Akhmadi Surawijaya and 宇佐美浩一 and 小寺哲夫 and 河野行雄 and 小田俊理},
  title = {Low growth temperature of Ge NWs for electron device application},
  booktitle = {},
  year = 2012,
}