@article{oai:tohoku.repo.nii.ac.jp:00005059,
 author = {Kimura, T. and Yokoi, A. and Nishida, Y. and Saito, R. and Yugo, S. and Ikoma, T.},
 issue = {18},
 journal = {Applied Physics Letters},
 month = {Oct},
 note = {application/pdf, 学術論文 (Article), 61569 bytes},
 pages = {2687--2689},
 title = {Photoluminescence of ytterbium-doped porous silicon},
 volume = {67},
 year = {1995}
}