The Quantum Magnetism of Individual Manganese-12-Acetate Molecular Magnets Anchored at Surfaces

    Authors

    S. Kahle; Z. T. Deng; N. Malinowski; C. Tonnoir; A. Forment-Aliaga; N. Thontasen; G. Rinke; D. Le; V. Turkowski; T. S. Rahman; S. Rauschenbach; M. Ternes;K. Kern

    Comments

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    Abbreviated Journal Title

    Nano Lett.

    Keywords

    Electrospray mass spectrometry; ion beam deposition; molecular; magnetism; scanning tunneling microscopy; inelastic tunneling; spectroscopy; SINGLE; MN-12; MN-12-ACETATE; EXCITATIONS; NEUTRON; CLUSTER; Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &; Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter

    Abstract

    The high intrinsic spin and long spin relaxation time of manganese-12-acetate (Mn(12)) makes it an archetypical single molecular magnet. While these characteristics have been measured on bulk samples, questions remain whether the magnetic properties replicate themselves in surface supported isolated molecules, a prerequisite for any application. Here we demonstrate that electrospray ion beam deposition facilitates grafting of intact Mn(12) molecules on metal as well as ultrathin insulating surfaces enabling submolecular resolution imaging by scanning tunneling microscopy. Using scanning tunneling spectroscopy we detect spin excitations from the magnetic ground state of the molecule at an ultrathin boron nitride decoupling layer. Our results are supported by density functional theory based calculations and establish that individual Mn(12) molecules retain their intrinsic spin on a well chosen solid support.

    Journal Title

    Nano Letters

    Volume

    12

    Issue/Number

    1

    Publication Date

    1-1-2012

    Document Type

    Article

    Language

    English

    First Page

    518

    Last Page

    521

    WOS Identifier

    WOS:000298943100090

    ISSN

    1530-6984

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