Výsledky vyhledávání - "Christine Derks"

Synthesis, Magnetic Properties, and X‐ray Spectroscopy of Divalent Cobalt(II) and Nickel(II) Cubanes [M II 4 (HL 2 ) 4 (OAc) 4 ]

Autor: Karsten Kuepper, Karsten Meyer, A. Buling, Christine Derks, Frank Hampel, Paul Müller, Jana Korzekwa, Takayuki Nakajima, Konstantin Petukhov, Loïc Joly, Manfred Neumann, Andreas Scheurer, Klaus Gieb

Publikováno v: European Journal of Inorganic Chemistry. 2015:1872-1901

Under anaerobic conditions, the reactions of cobalt(II) and nickel(II) acetate tetrahydrate with 2,6-pyridinedimethanol (H2L2, 3) in anhydrous acetonitrile afforded two tetranuclear metal(II) complexes [MII4(HL2)4(OAc)4] (4; MII = Co2+, Ni2+) with a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67a4d4deef601f68d9c99bf4ccaeeb8a
https://doi.org/10.1002/ejic.201402988

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Resonant photoemission in DyNi2Mn x rare-earth intermetallides

Autor: E. G. Gerasimov, V. I. Grebennikov, A. Buling, T. V. Kuznetsova, N. V. Mushnikov, Martin Neumann, Christine Derks

Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 77:226-229

The electronic structure of the DyNi2Mn x rare-earth (RE) intermetallides whose cubic structure is similar to the structure of RT2 compounds is studied. Resonant photoemission and X-ray absorption methods are used in the vicinity of the 2p- and 3p-ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79b74ae17142302e41b3920f71c4e92c
https://doi.org/10.3103/s1062873813020196

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Electronic Structure of Rare-Earth Scandates from X-Ray Spectroscopy and First-Principles Calculations

Autor: Martin Neumann, Andrei Postnikov, Christine Derks, Karsten Kuepper

Publikováno v: Ferroelectrics. 438:45-54

Combined spectroscopic techniques were applied to the study of valence band, conduction band, and core levels (by X-ray emission, absorption, and X-ray photoelectron spectroscopy, correspondingly) of seven scandium / lanthanide (Pr to Dy) double oxid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b73a466b095c8b37bb6ed093ebfea34
https://doi.org/10.1080/00150193.2012.743833

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A photoelectron spectroscopy study of the electronic structure evolution in CuInSe2-related compounds at changing copper content

Autor: Hanyue Zhao, C. Taubitz, Clas Persson, T. V. Kuznetsova, Robert W. Martin, Christine Derks, V. I. Grebennikov, M. V. Yakushev, M. V. Kuznetsov, I. V. Bodnar, Martin Neumann

Publikováno v: Applied Physics Letters

Evolution of the valence-band structure at gradually increasing copper content has been analysed by x-ray photoelectron spectroscopy (XPS) in In 2Se 3, CuIn 5Se 8, CuIn 3Se 5, and CuInSe 2 single crystals. A comparison of these spectra with calculate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c34f391e097f65532011843c9dedb089
https://elar.urfu.ru/handle/10995/51177

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Preparation of monolayers of [Mn(III) (6)Cr(III)](3+) single-molecule magnets on HOPG, mica and silicon surfaces and characterization by means of non-contact AFM

Autor: Christine Derks, Erich Krickemeyer, Ulrich Heinzmann, Aaron Gryzia, Veronika Hoeke, Hans Predatsch, Armin Brechling, Manfred Neumann, Thorsten Glaser

Publikováno v: Nanoscale Research Letters

We report on the characterization of various salts of [Mn III 6 Cr III ] 3+ complexes prepared on substrates such as highly oriented pyrolytic graphite (HOPG), mica, SiO2, and Si3N4. [Mn III 6 Cr III ] 3+ is a single-molecule magnet, i.e., a superpar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0793b8f664f1409182cd82c9966b9a4
https://pub.uni-bielefeld.de/record/2440781

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Charge order, enhanced orbital moment, and absence of magnetic frustration in layered multiferroicLuFe2O4

Autor: Christian Taubitz, Manuel Prinz, D. Prabhakaran, Martin Neumann, Christine Derks, Karsten Kuepper, M. Raekers, F. M. F. de Groot, Andrei Postnikov, Cinthia Piamonteze, S. J. Blundell

Publikováno v: Physical Review B. 80

Electronic and magnetic properties of the charge ordered phase of LuFe2O4 are investigated by means of x-ray spectroscopic and theoretical electronic structure approaches. LuFe2O4 is a compound showing fascinating magnetoelectric coupling via charge

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92656b259a3965fe1d31a264e828692b
https://doi.org/10.1103/physrevb.80.220409

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Electronic structure and soft-X-ray-induced photoreduction studies of iron-based magnetic polyoxometalates of type {(M)M5}12FeIII30 (M = MoVI, WVI)

Autor: T. V. Kuznetsova, Manuel Prinz, Wanli Yang, Christian Taubitz, Paul J. Ziemann, Christine Derks, Jean-Paul Kappler, Loïc Joly, Manfred Neumann, Andrei Postnikov, Karsten Kuepper, Ulf Wiedwald

Publikováno v: Dalton Transactions
Dalton Transactions, Royal Society of Chemistry, 2013, 42 (22), pp.7924-7935. ⟨10.1039/c3dt32759k⟩

International audience; Giant Keplerate-type molecules with a \Mo72Fe30\ core show a number of very interesting properties, making them particularly promising for various applications. So far, only limited data on the electronic structure of these mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e29787d83230e9bb17c5f6d924353cf2
https://doi.org/10.1039/c3dt32759k

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Electrical, magnetic properties and electronic structure of non-stoichiometric DyNi2Mnxcompounds

Autor: N.V. Mushnikov, Christine Derks, K A Fomina, E.G. Gerasimov, T. V. Kuznetsova, V S Gaviko, Vladimir I. Grebennikov, V V Marchenkov, A. Buling, Martin Neumann, Harald W. Weber

Publikováno v: Journal of Physics: Conference Series. 400:032050

The electrical, magnetic properties and electronic structure were studied in DyNi2Mnx (0 ≤ x ≤ 1.25) alloys. It was found that the alloys crystallize in a cubic MgCu2 Laves phase structure, in spite of the R (R = rare-earth element) to 3d-metal r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b116f8f3f5e2bc54b7c0f1cdec99893f
https://doi.org/10.1088/1742-6596/400/3/032050

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