Molecule-based magnets
نویسندگان
چکیده
منابع مشابه
Actinide-based single-molecule magnets.
Actinide single-molecule magnetism has experienced steady growth over the last five years since the first discovery of slow magnetic relaxation in the mononuclear complex U(Ph(2)BPz(2))(3). Given their large spin-orbit coupling and the radial extension of the 5f orbitals, the actinides are well-suited for the design of both mononuclear and exchange-coupled molecules, and indeed at least one new...
متن کاملSingle-Molecule Magnets
Single-molecule magnets (SMMs) continue to be an attractive research field because of their unique and intriguing properties and potential applications in high-density data storage technologies and molecular spintronics. The anisotropic barrier (U) of an SMM is derived from a combination of an appreciable spin ground state (S) and uniaxial Ising-like magneto-anisotropy (D). The magnet-like beha...
متن کاملHeterometallic cubane single-molecule magnets.
Two new heterometallic cubane molecules have been synthesized. High-frequency electron paramagnetic resonance and magnetization measurements indicate that [Mn(3)Ni(hmp)(3)O(N(3))(3)(C(7)H(5)O(2))(3)] (1) displays a well-isolated S = 5 ground state (DeltaE > 120 K), with g = 2.0, D = -0.23 cm(-1), and ferromagnetic Mn-Mn exchange interactions competing with antiferromagnetic Ni-Mn interactions. ...
متن کاملStrategies toward High-Temperature Lanthanide-Based Single-Molecule Magnets.
Lanthanide-based single-molecule magnets are leading materials for achieving magnetization blocking at the level of one molecule. In this paper, we examine the physical requirements for efficient magnetization blocking in single-ion complexes and identify the design principles for achieving very high magnetization blocking barriers in lanthanide-based compounds. The key condition is the prepond...
متن کاملEPR characterization of half-integer-spin iron molecule-based magnets
We report single crystal high-frequency electron paramagnetic resonance studies of two recently discovered half-integer Fe7 complexes: [Fe7O3(O2CBu )9(mda)3(H2O)3] (1) and [Fe7O4(O2CPh)11(dmem)2] (2). The obtained spectra confirm spin S = 5/2 ground states for both complexes. On the basis of detailed frequency and field orientation dependent studies, we find that complex 1 is a single-molecule ...
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ژورنال
عنوان ژورنال: Bulletin of Materials Science
سال: 2009
ISSN: 0250-4707,0973-7669
DOI: 10.1007/s12034-009-0033-9