@article{oai:tsukuba.repo.nii.ac.jp:00027683,
 author = {Jahnke, K. D. and Naydenov, B. and Teraji, T. and Koizumi, S. and 梅田, 享英 and UMEDA, Takahide and Isoya, J. and Jelezko, F.},
 issue = {1},
 journal = {Applied Physics Letters},
 month = {Jul},
 title = {Long coherence time of spin qubits in 12C enriched polycrystalline chemical vapor deposition diamond},
 volume = {101},
 year = {2012},
 yomi = {ウメダ, タカヒデ}
}