Resonant tunneling of magnetization in Mn12 acetate complex

X. X. Zhang, J. M. Hernàndez, J. Tejada, J. R. Friedman, M. Sarachik, R. Ziolo

Research output: Contribution to journalArticlepeer-review


Based on low-temperature measurements on oriented crystallites of Mn12 acetate complex, we report strong evidence for resonant tumleling of magnetization for these high spin molecules: we observed periodic steps in the hysteresis loops, periodic marked peaks in the magnetic relaxation rate at the fields corresponding to these steps, and a concomitant periodic decrease of the blocking temperature with magnetic field. We attribute these observations to thermally assisted resonant tunneling of the magnetization in a double well potential and propose a detailed model to account for our results.

Original languageEnglish (US)
Pages (from-to)2135-2136
Number of pages2
JournalCzechoslovak Journal of Physics
Issue numberSUPPL. 4
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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