@phdthesis{oai:tsukuba.repo.nii.ac.jp:00030872,
 author = {Luo, Xianjia},
 month = {},
 note = {2012},
 school = {筑波大学, University of Tsukuba},
 title = {Synthesis and Upconversion Properties of NaYF4:Er Nanocrystals},
 year = {2013}
}