Laser-Induced Ultrafast Spin and Rotational Dynamics in Cobalt Trimer Cation

  • Wei Jin
  • Debapriya Chaudhuri
  • Chun Li
  • Georgios Lefkidis
  • Wolfgang Hübner
Original Paper

Abstract

We present the laser-induced ultrafast spin and rotational dynamics in a cobalt trimer cation cluster. With the help of an attached CO ligand which lowers the high symmetry of the cluster, a local spin switch within around 500 fs is achieved. Furthermore, by including an additional degree of freedom in our calculations, i.e., molecular rotation, we investigate the possibility of laser-induced ultrafast molecular rotational control in both a model system and our studied realistic cluster. The results indicate that both spin and molecular rotation can be manipulated with ultrashort laser pulses at subpicosecond timescales, a fact which provides significant theoretical guidance for the design of spin logic nanodevices and sheds some light on the application-oriented path for driving molecular directional motions.

Keywords

Rotational dynamics Spin dynamics Cobalt trimer cation 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Wei Jin
    • 1
  • Debapriya Chaudhuri
    • 2
  • Chun Li
    • 3
  • Georgios Lefkidis
    • 2
  • Wolfgang Hübner
    • 2
  1. 1.School of Physics and Information TechnologyShaanxi Normal UniversityXi’anChina
  2. 2.Department of Physics and Research Center OPTIMASUniversity of KaiserslauternKaiserslauternGermany
  3. 3.School of Mechanics, Civil Engineering and ArchitectureNorthwestern Polytechnical UniversityXi’anChina

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