Literature DB >> 20481909

Asymmetric spin-wave dispersion on Fe(110): direct evidence of the Dzyaloshinskii-Moriya interaction.

Kh Zakeri1, Y Zhang, J Prokop, T-H Chuang, N Sakr, W X Tang, J Kirschner.   

Abstract

The influence of the Dzyaloshinskii-Moriya interaction on the spin-wave dispersion in an Fe double layer grown on W(110) is measured for the first time. It is demonstrated that the Dzyaloshinskii-Moriya interaction breaks the degeneracy of spin waves and leads to an asymmetric spin-wave dispersion relation. An extended Heisenberg spin Hamiltonian is employed to obtain the longitudinal component of the Dzyaloshinskii-Moriya vectors from the experimentally measured energy asymmetry.

Entities:  

Year:  2010        PMID： 20481909     DOI： 10.1103/PhysRevLett.104.137203

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  8 in total

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  8 in total

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