Автор |
Kwang Joo Kim |
Дата выпуска |
1992-10-05 |
dc.description |
Interband optical transitions in CeSn<sub>3</sub> and LaSn<sub>3</sub> have been investigated by measuring and calculating from band theory the optical conductivities of both compounds. For both compounds, interband transitions start at low energies (0.3 eV for CeSn<sub>3</sub> and 0.5 eV for LaSn<sub>3</sub>) and these structures are mostly due to d to f and f to d transitions between hand-like d and f states originating from Ce or La atoms. The structures at higher energies (greater than 1 eV) strongly involve f to d and d to p transitions with p states originating from Sn atoms. Good qualitative agreement between calculation and experiment has been achieved for these higher-energy structures for both compounds. The larger strength of the structures in CeSn<sub>3</sub> above 1 eV is mainly due to the existence of more occupied band-like f states in CeSn<sub>3</sub> than in LaSn<sub>3</sub>. |
Формат |
application.pdf |
Издатель |
Institute of Physics Publishing |
Название |
Optical transitions in CeSn<sub>3</sub> and LaSn<sub>3</sub> |
Тип |
paper |
DOI |
10.1088/0953-8984/4/40/017 |
Electronic ISSN |
1361-648X |
Print ISSN |
0953-8984 |
Журнал |
Journal of Physics: Condensed Matter |
Том |
4 |
Первая страница |
8039 |
Последняя страница |
8044 |
Аффилиация |
Kwang Joo Kim; Dept. of Phys., Kon-Kuk Univ., Seoul, South Korea |
Выпуск |
40 |