Long-range ferromagnetic dipolar ordering of high-spin molecular clusters.
نویسندگان
چکیده
We report the first example of a transition to long-range magnetic order in a purely dipolarly interacting molecular magnet. For the magnetic cluster compound Mn6O4Br4(Et2dbm)6, the anisotropy experienced by the total spin S = 12 of each cluster is so small that spin-lattice relaxation remains fast down to the lowest temperatures, thus enabling dipolar order to occur within experimental times at T(c) = 0.16 K. In high magnetic fields, the relaxation rate becomes drastically reduced and the interplay between nuclear- and electron-spin lattice relaxation is revealed.
منابع مشابه
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عنوان ژورنال:
- Physical review letters
دوره 90 1 شماره
صفحات -
تاریخ انتشار 2003