Search Results - "CHRISTOU, George"

Atomically-precise colloidal nanoparticles of cerium dioxide by Mitchell, Kylie J., Abboud, Khalil A., Christou, George

“…Synthesis of truly monodisperse nanoparticles and their structural characterization to atomic precision are important challenges in nanoscience. Success has…”
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Magnetostructural Correlation for High-Nuclearity Iron(III)/Oxo Complexes and Application to Fe5, Fe6, and Fe8 Clusters by Mitchell, Kylie J, Abboud, Khalil A, Christou, George

“…The synthesis and characterization are reported of two new polynuclear FeIII complexes containing the anion of 8-hydroxyquinoline (hqnH), an N,O-chelating…”
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Synthetic model of the asymmetric [Mn₃CaO₄] cubane core of the oxygen-evolving complex of photosystem II by Mukherjee, Shreya, Stull, Jamie A., Yano, Junko, Stamatatos, Theocharis C., Pringouri, Konstantina, Stich, Troy A., Abboud, Khalil A., Britt, R. David, Yachandra, Vittal K., Christou, George

“…The laboratory synthesis of the oxygen-evolving complex (OEC) of photosystem II has been the objective of synthetic chemists since the early 1970s. However,…”
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A Record Anisotropy Barrier for a Single-Molecule Magnet by Milios, Constantinos J, Vinslava, Alina, Wernsdorfer, Wolfgang, Moggach, Stephen, Parsons, Simon, Perlepes, Spyros P, Christou, George, Brechin, Euan K

“…Structural distortion in a [Mn6] complex switches the magnetic exchange from antiferro- to ferromagnetic, resulting in a single-molecule magnet with a record…”
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Enhancing the Quantum Properties of Manganese-Lanthanide Single-Molecule Magnets: Observation of Quantum Tunneling Steps in the Hysteresis Loops of a {Mn₁₂Gd} Cluster by Stamatatos, Theocharis C, Teat, Simon J, Wernsdorfer, Wolfgang, Christou, George

“…Quantum tunneling of magnetization (QTM) steps have been observed for a mixed 3d–4f single‐molecule magnet for the first time in the hysteresis loops of…”
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Covalently Linked Dimer of Mn3 Single-Molecule Magnets and Retention of Its Structure and Quantum Properties in Solution by Nguyen, Tu N, Shiddiq, Muhandis, Ghosh, Tuhin, Abboud, Khalil A, Hill, Stephen, Christou, George

“…[Mn3O­(O2CMe)3(dpd)3/2)]2(I3)2 has been obtained from the reaction of 1,3-di­(pyridin-2-yl)­propane-1,3-dione dioxime (dpdH2) with triangular [MnIII…”
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Family of Double-Cubane Mn4Ln2 (Ln = Gd, Tb, Dy, Ho) and Mn4Y2 Complexes: A New Mn4Tb2 Single-Molecule Magnet by Saha, Arpita, Thompson, Michael, Abboud, Khalil A, Wernsdorfer, Wolfgang, Christou, George

“…The synthesis and characterization of a family of Mn2 IIIMn2 IILnIII 2 complexes (Ln = Gd (1), Tb (2), Dy (3), and Ho (4)) of formula…”
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Toward a Magnetostructural Correlation for a Family of Mn6 SMMs by Milios, Constantinos J, Inglis, Ross, Vinslava, Alina, Bagai, Rashmi, Wernsdorfer, Wolfgang, Parsons, Simon, Perlepes, Spyros P, Christou, George, Brechin, Euan K

“…We have structurally and magnetically characterized a total of 12 complexes based on the Single-Molecule Magnet (SMM) [MnIII 6O2(sao)6(O2CH)2(MeOH) 4] (1)…”
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Initial Observation of Magnetization Hysteresis and Quantum Tunneling in Mixed Manganese−Lanthanide Single-Molecule Magnets by Mishra, Abhudaya, Wernsdorfer, Wolfgang, Abboud, Khalil A, Christou, George

“…The preparation of a new family of mixed transition metal/lanthanide clusters is reported. The reaction of [Mn3O(O2CPh)6(py)2(H2O)] with Ln(NO3)3 (Ln = Nd, Gd,…”
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Supramolecular aggregates of single-molecule magnets: exchange-biased quantum tunneling of magnetization in a rectangular [Mn 3 ] 4 tetramer by Nguyen, Tu N, Wernsdorfer, Wolfgang, Shiddiq, Muhandis, Abboud, Khalil A, Hill, Stephen, Christou, George

“…The syntheses and properties of four magnetically-supramolecular oligomers of triangular Mn units are reported: dimeric [Mn O (O CMe) (CH OH) (pdpd) ] ( ) and…”
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The search for 3d-4f single-molecule magnets: synthesis, structure and magnetic properties of a [Mn(III)2Dy(III)2] cluster by Mishra, Abhudaya, Wernsdorfer, Wolfgang, Parsons, Simon, Christou, George, Brechin, Euan K

“…Tetranuclear [Mn(III)2Ln(III)2] complexes formed using tripodal ligands display frequency dependent out-of-phase ac susceptibility signals and temperature and…”
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“Switching On” the Properties of Single-Molecule Magnetism in Triangular Manganese(III) Complexes by Stamatatos, Theocharis C, Foguet-Albiol, Dolos, Lee, Sheng-Chiang, Stoumpos, Constantinos C, Raptopoulou, Catherine P, Terzis, Aris, Wernsdorfer, Wolfgang, Hill, Stephen O, Perlepes, Spyros P, Christou, George

“…The reaction between oxide-centered, triangular [MnIII 3O(O2CR)6(py)3](ClO4) (R = Me (1), Et (2), Ph (3)) compounds and methyl 2-pyridyl ketone oxime (mpkoH)…”
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Spin Switching via Targeted Structural Distortion by Milios, Constantinos J, Vinslava, Alina, Wernsdorfer, Wolfgang, Prescimone, Alessandro, Wood, Peter A, Parsons, Simon, Perlepes, Spyros P, Christou, George, Brechin, Euan K

“…The deliberate “stepwise” structural distortion of the [MnIII 6O2(sao)6(O2CR)2L4] (S = 4, U eff = 28 K) family of SMMs (where sao2- is the dianion of…”
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Electronic Structural Changes of Mn in the Oxygen-Evolving Complex of Photosystem II during the Catalytic Cycle by Glatzel, Pieter, Schroeder, Henning, Pushkar, Yulia, Boron, Thaddeus, Mukherjee, Shreya, Christou, George, Pecoraro, Vincent L, Messinger, Johannes, Yachandra, Vittal K, Bergmann, Uwe, Yano, Junko

“…The oxygen-evolving complex (OEC) in photosystem II (PS II) was studied in the S 0 through S 3 states using 1s2p resonant inelastic X-ray scattering…”
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A Fourth Isolated Oxidation Level of the [Mn12O12(O2CR)16(H2O)4] Family of Single-Molecule Magnets by Bagai, Rashmi, Christou, George

“…The Mn12 family of single-molecule magnets (SMMs) has been extended to a fourth isolated member. [Mn12O12(O2CR)16(H2O)4] (1) exhibits three quasi-reversible…”
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Comproportionation Reactions to Manganese(III/IV) Pivalate Clusters: A New Half-Integer Spin Single-Molecule Magnet by Mukherjee, Shreya, Abboud, Khalil A, Wernsdorfer, Wolfgang, Christou, George

“…The comproportionation reaction between MnII and MnVII reagents under acidic conditions has been investigated in the presence of pivalic acid as a route to new…”
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{Mn6} n Single-Chain Magnet Bearing Azides and Di-2-pyridylketone-Derived Ligands by Stamatatos, Theocharis C, Abboud, Khalil A, Wernsdorfer, Wolfgang, Christou, George

“…The synthesis, structure, and magnetochemical characterization of a new manganese single-chain magnet are reported. The compound is a chain of repeating Mn6…”
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Dimeric and Tetrameric Supramolecular Aggregates of Single-Molecule Magnets via Carboxylate Substitution by Mowson, Andrew M., Nguyen, Tu N., Abboud, Khalil A., Christou, George

“…[Mn3]2 and [Mn3]4 supramolecular aggregates of weakly exchange-coupled MnIII 3 single-molecule magnets (SMMs) with S = 6 have been prepared by carboxylate…”
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Exchange-Biased Dimers of Single-Molecule Magnets in OFF and ON States by Bagai, Rashmi, Wernsdorfer, Wolfgang, Abboud, Khalil A, Christou, George

“…A new Fe9 single-molecule magnet has been synthesized and found to crystallize as head-to-head dimers. Two-thirds of these are exchange-coupled through a…”
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CoII4, CoII7, and a Series of CoII2LnIII (LnIII = NdIII, SmIII, GdIII, TbIII, DyIII) Coordination Clusters: Search for Single Molecule Magnets by Modak, Ritwik, Sikdar, Yeasin, Thuijs, Annaliese E, Christou, George, Goswami, Sanchita

“…We report herein the syntheses and investigation of the magnetic properties of a CoII4 compound, a series of trinuclear CoII2LnIII (LnIII = NdIII, SmIII,…”
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