4f N-15d energy levels of lanthanides: aquasi-angular-momentum approach and its application to Cs 2NaYF 6:Er 3+
马崇庚, 江莎, 段昌奎, 尹民, 夏上达
4f N-15d energy levels of lanthanides: a quasi-angular-momentum approach and its application to Cs 2NaYF 6:Er 3+
Ma Chong-Geng(马崇庚), Jiang Sha(江莎), Duan Chang-Kui(段昌奎), Yin Min(尹民), and Xia Shang-Da(夏上达)
中国物理B . 2009, (5): 1961 -1967 .  DOI: 10.1088/1674-1056/18/5/039