Browsing by Subject "Manganese compounds"
Now showing items 1-15 of 15
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Article
Effects of sol-gel synthesis on 5Fe-15Mn-40Zn-40Ti-O mixed oxide structure and its H2S removal efficiency from industrial gas streams
(2009)A novel Fe-Mn-Zn-Ti-O mixed metal oxide has been developed for efficient low-temperature (25-50°C) removal of H2S from a gas mixture containing 600 ppm H2S, 25 vol% H2, 7.5 vol % CO 2, and 1-3 vol% H2O that simulates typical ...
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Article
Employment of methyl 2-pyridyl ketone oxime in manganese non-carboxylate chemistry: MnII2MnIV and MnII 2MnIII6 complexes
(2009)The employment of the anion of methyl 2-pyridyl ketone oxime (mpko -) as a tridentate chelating/bridging ligand in manganese chemistry is described. The inorganic anion (Br-, ClO4-) used in the reaction affects the identity ...
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Article
A family of 3D coordination polymers composed of Mn19 magnetic units
(2006)(Figure Presented) Singles networks: The use of 1,3-propanediol and of 2-methyl-1,3-propanediol in manganese carboxylate chemistry leads to two new 3D coordination polymers with an unprecedented Mn19 repeating unit. The ...
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Article
Inducing single-molecule magnetism in a family of loop-of-loops aggregates: Heterometallic Mn40Na4 clusters and the homometallic Mn44 analogue
(2010)The syntheses, crystal structures, and magnetic properties of a new family of heterometallic Mn40Na4 and homometallic Mn44 loop-of-loops aggregates are reported. The reactions of [Mn3O(O 2CMe)6(py)3]•py with 1,3-propanediol ...
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Article
Magnetic "Molecular Oligomers" Based on Decametallic Supertetrahedra: A Giant Mn49 Cuboctahedron and its Mn25Na4 Fragment
(2016)Two nanosized Mn49 and Mn25Na4 clusters based on analogues of the high-spin (S=22) [MnIII 6MnII 4(μ4-O)4]18+ supertetrahedral core are reported. Mn49 and Mn25Na4 complexes consist of eight and four decametallic supertetrahedral ...
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Article
Magnetic properties of Fe/AlO x/GaAs(001) structures
(2005)We report results on the effect of the Al Ox barrier layer on the magnetic moment of Fe using polarized neutron reflection. The sample has nominal composition 25 nm Au5 nm Fe1.3 nm Al Ox GaAs (001). The metal deposition ...
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Article
A Mn15 single-molecule magnet consisting of a supertetrahedron incorporated in a loop
(2010)Two new Mn15 clusters consisting of a supertetrahedron which is incorporated in a loop are reported. The reactions of [Mn(O2CEt) 2]·2H2O with the diols 1,3-propanediol (H 2pd) or 2-methyl-1,3-propanediol (H2mpd) in the ...
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Article
A [Mn32] double-decker wheel
(2011)Inventing the double wheel: A mixed-valent [Mn32] cluster with a very rare "double-decker" wheel topology (see its metal-oxygen core: MnIII blue, MnII pink, O red) is reported. It is by far the highest-nuclearity example ...
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Article
Preparation and characterization of a cerium(IV)-incorporated manganese oxide OMS-2. Effect of cerium(IV) template on octahedral molecular sieves of manganese oxide and characterization of manganese oxide molecular sieves with cerium(IV) as dopant
(2008)The manganese oxide material K-OMS-2 was synthesized both via a redox reaction between potassium permanganate and manganese nitrate in an acidic medium (nitric acid) under reflux conditions and by the sol-gel reaction ...
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Article
Preparation and characterization of nanoporous ceria containing heteroatoms, with and without a matrix
(2005)We have been interested in the synthesis and study of porous ceria, because of its importance in several catalytic applications, and notably in automobile exhaust catalysts. The mesoporosity of these solids is susceptible ...
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Conference Object
Reduced-complexity verification for initial-state opacity in modular discrete event systems
(2010)In this paper, we propose and analyze reduced-complexity methodologies for verifying initial-state opacity in modular discrete event systems. Initial-state opacity requires that the membership of the system initial state ...
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Article
A reductive-aggregation route to [Mn12O12(OMe) 2(O2CPh)16(H2O)2] 2- single-molecule magnets related to the [Mn12] family
(2004)Axes of power: Jahn-Teller isomerism (that is, Jahn-Teller distortion along different axes) accounts for the presence of both faster and slower relaxing magnetization dynamics of the title compound (see core structure
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Article
"Squaring the clusters": A Mn III 4Ni II 4 molecular square from nickel(ii)-induced structural transformation of a Mn II/III/IV 12 cage
(2012)A Mn III 4Ni II 4 molecular square exhibiting slow magnetization relaxation has been prepared from the reaction of a Mn II 4Mn III 6Mn IV 2 cluster and a simple Ni II source. © The Royal Society of Chemistry 2012.
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Doctoral Thesis Open Access
Νέες δομικές τοπολογίες, υψηλού σπιν ενώσεις και μοριακοί νανομαγνήτες από τη χρήση της 1,3-προπανοδιόλης και παραγωγών της στη χημεία πολυμεταλλικών πλειάδων του μαγγανίου
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2009-01)Το θέμα της παρούσας διδακτορικής διατριβής είναι η σύνθεση και ο χαρακτηρισμός νέων πολυπυρηνικών ενώσεων του μαγγανίου με τις αλειφατικές διόλες 1,3-προπανοδιόλη (H2pd), 2-μέθυλ-1,3-προπανοδιόλη (H2mpd), 2-βρώμο-2-νίτρ ...
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Doctoral Thesis Open Access
Σύνθεση μεικτών φάσεων οξειδίου μαγγανίου-δημητρίου και μελέτη του ρόλου του διαλύτη στις επιφανειακές ιδιότητες της δημήτριας: διδακτορική διατριβή
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2007-06)Στόχος της παρούσας διδακτορικής διατριβής ήταν η σύνθεση υλικών βασισμένων στη δημήτρια και η μελέτη των ιδιοτήτων τους όπως είναι η δομή και η υφή τους. Η παρούσα ερευνητική εργασία εστιάζεται στη σύνθεση και μελέτη των ...