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Articles by Christopher E. Anson
Finite-temperature toroidal moment amenable to direct observation in an Fe 10 Dy 10 molecular ring
Abstract Single-molecule toroics host closed magnetic vortices carrying toroidal moments τ, whose electric-dipole symmetry enables magnetoelectric spin control. Yet opposite toroidal chiralities are degenerate in conventional magnetic fields, making direct detection of τ challenging. Current approaches probe toroidal dynamics only indirectly through weak residual magnetism, while finite-temperature toroidal polarisation and realistic preparation/readout conditions remain unestablished.
Synthesis and Thermolysis of Ylidyl-Substituted Stannylenes
1 Introduction The stabilization of low-valent group 14 compounds has been of general interest over the past decades [1-9]. Due to their similarity to carbenes, heavier tetrylenes have been well studied. Since the first activation of dihydrogen by a tin compound in 2008 [10], tin-based ambiphiles, including stannylenes [10], distannynes [11, 12], and Frustrated Lewis Pairs [13], have been in the focus of many groups [14].
Adding 161 Dy-Mössbauer spectroscopy to a multitechnique investigation of magnetic transitions in a {Co III 3 Dy III 3 } Single-Molecule Toroic
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Abstract The determination of the orientations of the individual DyIII anisotropy axes in polynuclear complexes is challenging but crucial for the understanding of systems showing Single Molecule Magnet or Single Molecule Toroic behavior. In particular, the experimental proof of a toroidal ground state from magnetization data often remains ambiguous.
By Yan Peng, Jonas Braun, Lena Scherthan, Hendrik Auerbach, Juliusz A. Wolny, Michael Schulze, E. Ercan Alp, Jiyong Zhao, Wenli Bi, Lorenzo Tesi, Christopher E. Anson, Jani Moilanen, Liviu Chibotaru, Wolfgang Wernsdorfer, Mauro Perfetti, Roberta Sessoli, Volker Schünemann, Annie Powell, Dennis. E. Brown
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Nature
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An Effectively Uncoupled Gd8 Cluster Formed through Fixation of Atmospheric CO2 Showing Excellent Magnetocaloric Properties
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A multifunctional use of bis(methylene)bis(5-bromo-2-hydroxyl salicyloylhydrazone): from metal sensing to ambient catalysis of A3 coupling reactions
A multifunctional use of bis(methylene)bis(5-bromo-2-hydroxyl salicyloylhydrazone): from metal sensing to ambient catalysis of A3 coupling reactions† Krisana Peewasan, *a Marcel P. Merkel, b Olaf Fuhr, bc Christopher E. Anson a and Annie K.
Mechanism of Magnetization Relaxation in {MIII2DyIII2} (M = Cr, Mn, Fe, Al) “Butterfly” Complexes: How Important Are the Transition Metal Ions Here?
Mechanism of Magnetization Relaxation in {MIII2DyIII2} (M = Cr, Mn, Fe, Al) “Butterfly” Complexes: How Important Are the Transition Metal Ions Here?
Tetranuclear CuII2DyIII2 Coordination Cluster as Suzuki (C-C) Coupling Reaction promoter
P. Kumar, K. Griffiths, C. Anson, A. K. Powell and G. E. Kostakis, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT04371J If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using Copyright Clearance Center. Go to our Instructions for using Copyright Clearance Center page for details.
Systematic Studies of Hexanuclear {MIII4LnIII2} Complexes (M = Fe, Ga; Ln = Er, Ho): Structures, Magnetic Properties and SMM Behavior
Four isostructural MIII4LnIII2 coordination clusters, [M4Ln2(?3-OH)2(nbdea)4(C6H5COO)8]•MeCN (M = Fe, Ln = Er (1); M = Ga, Ln = Er (2); M = Fe, Ln = Ho (3); M = Ga, Ln = Ho (4)) have been synthesized and characterized. Single-crystal X-ray diffraction and X-ray powder diffraction studies revealed that all four compounds crystallize isomorphously to each other, and to the previously reported MIII4DyIII2 (M = Fe or Ga) and FeIII4YIII2 analogues.
The role of coordinated solvent on Co(II) ions in tuning the single molecule magnet properties in a {CoII2DyIII2} system
Three defect-dicubane coordination clusters related to our previously reported butterfly compound, [Co2Dy2(L)4(NO3)2(THF)2]·4THF (1) and formulated as [Co2Dy2(L)4(NO3)2(MeOH)2]·2CH2Cl2 (2), [Co2Dy2(L)4(NO3)2(DMF)2]·2C2H6CO (3) and [Zn2Dy2(L)4(NO3)2(MeOH)2]·2CH2Cl2 (4) were synthesised and characterised. All show typical SMM behaviour which is steered through the nature of the solvent molecule coordinated to the central 3d ions.
First heterometallic GaIII-DyIII single-molecule magnets: Implication of GaIII in extracting Fe-Dy interaction
The compounds of the system [M4M’2(μ3-OH)2(nbdea)4(C6H5CO2)8]•MeCN, where M = GaIII, M’ = DyIII (2), M = FeIII, M’ = YIII(3) are isostructural to the known [Fe4Dy2] compound (1). Those of the system [M4M’4(μ3-OH)4(nbdea)4(m-CH3C6H4CO2)12]•nMeCN, where M = GaIII, M’ = DyIII, n = 4 (5), M = FeIII, M’ = YIII, n = 1 (6) are isostructural to the [Fe4Dy4] compound (4). This allows for comparisons between single ion effects of the paramagnetic ions.
Nine members of a family of nine-membered cyclic coordination clusters; Fe6Ln3 wheels (Ln = Gd to Lu and Y)
a Institut für Anorganische Chemie, KIT (Karlsruhe Institute of Technology), Engesserstr. 15, 76131 Karlsruhe, Germany E-mail: annie.powell@kit.edu b Institut für Nanotechnologie, KIT (Karlsruhe Institute of Technology), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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