Search Results - "Vieru, Veacheslav"
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An intermetallic molecular nanomagnet with the lanthanide coordinated only by transition metals
Published in Nature communications (19-04-2022)“…Magnetic molecules known as molecular nanomagnets (MNMs) may be the key to ultra-high density data storage. Thus, novel strategies on how to design MNMs are…”
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Significant Enhancement of Energy Barriers in Dinuclear Dysprosium Single-Molecule Magnets Through Electron-Withdrawing Effects
Published in Journal of the American Chemical Society (11-09-2013)“…The effect of electron-withdrawing ligands on the energy barriers of Single-Molecule Magnets (SMMs) is investigated. By introducing highly electron-withdrawing…”
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3
Magneto-structural correlations in arsenic- and selenium-ligated dysprosium single-molecule magnets
Published in Chemical science (Cambridge) (01-03-2016)“…The structures and magnetic properties of the arsenic- and selenium-ligated dysprosium single-molecule magnets (SMMs) [Cp' Dy(AsH Mes)] ( ), [(η -Cp'…”
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Influence of Guest Exchange on the Magnetization Dynamics of Dilanthanide Single-Molecule-Magnet Nodes within a Metal-Organic Framework
Published in Angewandte Chemie (International ed.) (17-08-2015)“…Multitopic organic linkers can provide a means to organize metal cluster nodes in a regular three‐dimensional array. Herein, we show that isonicotinic acid…”
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5
Holmium() molecular nanomagnets for optical thermometry exploring the luminescence re-absorption effect
Published in Chemical science (Cambridge) (30-10-2020)“…Coordination complexes of lanthanide(3+) ions can combine Single-Molecule Magnetism (SMM) with thermally modulated luminescence applicable in optical…”
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Influence of the Ligand Field on Slow Magnetization Relaxation versus Spin Crossover in Mononuclear Cobalt Complexes
Published in Angewandte Chemie International Edition (18-10-2013)“…The electronic and magnetic properties of the complexes [Co(terpy)Cl2] (1), [Co(terpy)(NCS)2] (2), and [Co(terpy)2](NCS)2 (3) were investigated. The…”
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Key Role of Frustration in Suppression of Magnetization Blocking in Single-Molecule Magnets
Published in The journal of physical chemistry letters (07-11-2013)“…State-of-the-art ab initio calculations of a series of endohedral fullerenes Dy n Sc3–n N@C80 (n = 1,2,3) are performed, and their anisotropic magnetic…”
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Giant exchange interaction in mixed lanthanides
Published in Scientific reports (18-04-2016)“…Combining strong magnetic anisotropy with strong exchange interaction is a long standing goal in the design of quantum magnets. The lanthanide complexes, while…”
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A Dinuclear Cobalt Complex Featuring Unprecedented Anodic and Cathodic Redox Switches for Single-Molecule Magnet Activity
Published in Journal of the American Chemical Society (02-10-2013)“…One-electron oxidation or reduction of the paramagnetic dinuclear Co(II) complex dmp2Nin{Co[N(SiMe3)2]}2 (1; dmp2Nin2– = bis(2,6-dimethylphenyl)nindigo), by…”
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10
Modifying the properties of 4f single-ion magnets by peripheral ligand functionalisation
Published in Chemical science (Cambridge) (01-01-2014)“…We study the ligand-field splittings and magnetic properties of three Er III single-ion magnets which differ in the peripheral ligand sphere but exhibit…”
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Modulation of slow magnetic relaxation by tuning magnetic exchange in {CrDy} single molecule magnets
Published in Chemical science (Cambridge) (01-01-2014)“…A new series of heterometallic 3d-4f single molecule magnets (SMMs) of general formula [Cr III 2 Dy III 2 (OMe) 2 (RN{(CH 2 ) 2 OH} 2 ) 2 (acac) 4 (NO 3 ) 2 ]…”
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12
Isolation of a triplet benzene dianion
Published in Nature chemistry (01-10-2021)“…Baird’s rule predicts that molecules with 4 n π electrons should be aromatic in the triplet state, but the realization of simple ring systems with such an…”
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13
Trends in trigonal prismatic Ln-[1]ferrocenophane complexes and discovery of a Ho3+ single-molecule magnet
Published in Chemical science (Cambridge) (24-03-2020)“…Lanthanide metallocenophanes are an intriguing class of organometallic complexes that feature rare six-coordinate trigonal prismatic coordination environments…”
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Ferromagnetic kinetic exchange interaction in magnetic insulators
Published in Physical review research (16-09-2020)“…The superexchange theory predicts dominant antiferromagnetic kinetic interaction when the orbitals accommodating magnetic electrons are covalently bonded…”
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Synthesis, Crystal Structures, Magnetic Properties, and Theoretical Investigation of a New Series of NiII–LnIII–WV Heterotrimetallics: Understanding the SMM Behavior of Mixed Polynuclear Complexes
Published in Inorganic chemistry (05-12-2016)“…The polynuclear compounds containing anisotropic metal ions often exhibit efficient barriers for blocking of magnetization at fairly arbitrary geometries…”
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A Stable Pentagonal Bipyramidal Dy(III) Single-Ion Magnet with a Record Magnetization Reversal Barrier over 1000 K
Published in Journal of the American Chemical Society (27-04-2016)“…Single-molecule magnets (SMMs) with a large spin reversal barrier have been recognized to exhibit slow magnetic relaxation that can lead to a magnetic…”
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Substituent Effects on Exchange Coupling and Magnetic Relaxation in 2,2′-Bipyrimidine Radical-Bridged Dilanthanide Complexes
Published in Journal of the American Chemical Society (16-12-2020)“…Systematic analysis of related compounds is crucial to the design of single-molecule magnets with improved properties, yet such studies on multinuclear…”
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A High-Performance Single-Molecule Magnet Utilizing Dianionic Aminoborolide Ligands
Published in Journal of the American Chemical Society (05-10-2022)“…The first example of a homoleptic f-block borolide sandwich complex is presented and shown to be a high-performance single-molecule magnet (SMM). The…”
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A {CrIII2DyIII2} Single-Molecule Magnet: Enhancing the Blocking Temperature through 3d Magnetic Exchange
Published in Angewandte Chemie International Edition (11-11-2013)“…Butterfly magnet: The replacement of diamagnetic CoIII for CrIII in a 3d‐4f butterfly complex results in vastly improved single‐molecule magnet properties…”
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20
Influence of the Ligand Field on Slow Magnetization Relaxation versus Spin Crossover in Mononuclear Cobalt Complexes
Published in Angewandte Chemie (18-10-2013)“…Elektronische und magnetische Eigenschaften der Komplexe [Co(terpy)Cl2] (1), [Co(terpy)(NCS)2] (2) und [Co(terpy)2(NCS)2] (3) wurden untersucht. Die…”
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