中国物理B ›› 2014, Vol. 23 ›› Issue (5): 53101-053101.doi: 10.1088/1674-1056/23/5/053101

• ATOMIC AND MOLECULAR PHYSICS • 上一篇    下一篇

Spectroscopic properties and radiative lifetimes of SiTe:A high-level multireference configuration interaction investigation

李瑞a, 张晓美b, 金明星b, 徐海峰b, 闫冰b   

  1. a Department of Physics, College of Science, Qiqihar University, Qiqihar 161006, China;
    b Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China
  • 收稿日期:2013-12-17 修回日期:2014-01-15 出版日期:2014-05-15 发布日期:2014-05-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11034003, 11074095, and 11274140), the Natural Science Foundation of Heilongjiang Province, China (Grant No. F201335), and the Scientific and Technological Research Foundation of Qiqihar, China (Grant No. GYGG-201209-1).

Spectroscopic properties and radiative lifetimes of SiTe:A high-level multireference configuration interaction investigation

Li Rui (李瑞)a, Zhang Xiao-Mei (张晓美)b, Jin Ming-Xing (金明星)b, Xu Hai-Feng (徐海峰)b, Yan Bing (闫冰)b   

  1. a Department of Physics, College of Science, Qiqihar University, Qiqihar 161006, China;
    b Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China
  • Received:2013-12-17 Revised:2014-01-15 Online:2014-05-15 Published:2014-05-15
  • Contact: Li Rui, Jin Ming-Xing E-mail:lirei01@163.com;mxjin@jlu.edu.cn
  • About author:31.50.Df; 31.15.aj; 31.15.ag
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11034003, 11074095, and 11274140), the Natural Science Foundation of Heilongjiang Province, China (Grant No. F201335), and the Scientific and Technological Research Foundation of Qiqihar, China (Grant No. GYGG-201209-1).

摘要: The 18 Λ-S states correlated to the lowest dissociation limit of SiTe were calculated by using a high-level multireference configuration interaction (MRCI) method, including scalar relativistic and spin-orbit coupling effects. Based on the calculated potential energy curves, the spectroscopic constants of bound states were determined, which are well consistent with previous experimental results. The spin-orbit matrix elements between the Λ-S states were computed, which lead to an in-depth understanding of perturbations on the electronic state a3Π. Finally, the transition dipole moments of allowed transitions A1Π-X1Σ+, E1Σ+-X1Σ+, a3Π-d3Δ, a3Π-a'3Σ+, a3Π-e3Σ-, and the radiative lifetimes of A1Π, E1Σ+, and a3Π were evaluated.

关键词: silicon monotelluride (SiTe), spectroscopic constants, transition dipole moment, radiative lifetime

Abstract: The 18 Λ-S states correlated to the lowest dissociation limit of SiTe were calculated by using a high-level multireference configuration interaction (MRCI) method, including scalar relativistic and spin-orbit coupling effects. Based on the calculated potential energy curves, the spectroscopic constants of bound states were determined, which are well consistent with previous experimental results. The spin-orbit matrix elements between the Λ-S states were computed, which lead to an in-depth understanding of perturbations on the electronic state a3Π. Finally, the transition dipole moments of allowed transitions A1Π-X1Σ+, E1Σ+-X1Σ+, a3Π-d3Δ, a3Π-a'3Σ+, a3Π-e3Σ-, and the radiative lifetimes of A1Π, E1Σ+, and a3Π were evaluated.

Key words: silicon monotelluride (SiTe), spectroscopic constants, transition dipole moment, radiative lifetime

中图分类号:  (Potential energy surfaces for excited electronic states)

  • 31.50.Df
31.15.aj (Relativistic corrections, spin-orbit effects, fine structure; hyperfine structure) 31.15.ag (Excitation energies and lifetimes; oscillator strengths)