Zero-field quantum tunneling relaxation of the molecular spin in Fe<inf>8</inf> observed by <sup>57</sup>Fe Mössbauer spectrometry

E. Molins, M. Gich, J. Tejada, J. M. Grenèche, F. Macià

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    © CopyrightEPLA, 2014. 57Fe Mössbauer spectrometry has been performed on oriented crystalline 57Fe enriched samples of Fe8 at 12 K under different applied magnetic fields. Fe8 has an S=10 ground state and exhibits magnetic anisotropy with a barrier height of about 27 K. Under longitudinal magnetic fields, the energies of the spin levels coincide at steps of about 2.25 kOe, where tunneling relaxation occurs. We present here an experiment specially designed to observe quantum tunneling of molecular spin at zero field through Mössbauer. We report observation of quantum tunneling at temperatures of 12 K.
    Original languageEnglish
    Article number47004
    JournalEPL
    Volume108
    Issue number4
    DOIs
    Publication statusPublished - 1 Nov 2014

    Fingerprint Dive into the research topics of 'Zero-field quantum tunneling relaxation of the molecular spin in Fe<inf>8</inf> observed by <sup>57</sup>Fe Mössbauer spectrometry'. Together they form a unique fingerprint.

    Cite this