Search Results - "Klingeler, R"

Sol-gel synthesis of Li3VO4/C composites as anode materials for lithium-ion batteries by Thauer, E., Zakharova, G.S., Wegener, S.A., Zhu, Q., Klingeler, R.

“…Li3VO4/C composites have been synthesized by a sol-gel method and post-annealing at 650 °C for 1 h in N2 flow using either tartaric acid, malic acid, or…”
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Anisotropic ionic conductivity of LiMn1−xFexPO4 (0 ≤ x ≤ 1) single crystals by Neef, C., Reiser, A., Thauer, E., Klingeler, R.

“…We report AC-impedance studies on a series of high-quality LiMn1−xFexPO4 single crystals with 0 ≤ x ≤ 1. Our results confirm quasi-one-dimensional transport in…”
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Linear magnetoelastic coupling and magnetic phase diagrams of the buckled-kagomé antiferromagnet Cu3Bi(SeO3)2O2Cl by Spachmann, S., Berdonosov, P., Markina, M., Vasiliev, A., Klingeler, R.

“…Single crystals of Cu 3 Bi(SeO 3 ) 2 O 2 Cl were investigated using high-resolution capacitance dilatometry in magnetic fields up to 15 T. Pronounced…”
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The electronic phase diagram of the LaO1−xFxFeAs superconductor by Luetkens, H., Klauss, H.-H., Kraken, M., Litterst, F. J., Dellmann, T., Klingeler, R., Hess, C., Khasanov, R., Amato, A., Baines, C., Kosmala, M., Schumann, O. J., Braden, M., Hamann-Borrero, J., Leps, N., Kondrat, A., Behr, G., Werner, J., Büchner, B.

“…In non-conventional superconductors, it is usually found that superconductivity emerges in the vicinity of a critical point where antiferromagnetic order…”
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Electrochemical performance of single crystal belt-like NH4V3O8 as cathode material for lithium-ion batteries by Ottmann, A., Zakharova, G.S., Ehrstein, B., Klingeler, R.

“…[Display omitted] NH4V3O8 with belt-like morphology has been synthesized via a hydrothermal process, using acetic acid as acidulant. The resulting phase-pure…”
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Hierarchically structured V2O3/C microspheres: Synthesis, characterization, and their electrochemical properties by Thauer, E., Zakharova, G.S., Deeg, L.F., Zhu, Q., Klingeler, R.

“…•V2O3/C spheres with core-shell and solid structure have been synthesized by a facile hydrothermal thermolysis method.•The V2O3/C anodes exhibit high…”
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V2O3/C composite fabricated by carboxylic acid-assisted sol–gel synthesis as anode material for lithium-ion batteries by Zakharova, G. S., Thauer, E., Enyashin, A. N., Deeg, L. F., Zhu, Q., Klingeler, R.

“…The potential battery electrode material V 2 O 3 /C has been prepared using a sol–gel thermolysis technique, employing vanadyl hydroxide as precursor and…”
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Facile synthesis N-doped hollow carbon spheres from spherical solid silica by Wenelska, K., Ottmann, A., Moszyński, D., Schneider, P., Klingeler, R., Mijowska, E.

“…[Display omitted] Nitrogen-doped core/shell carbon nanospheres (NHCS are prepared and their capability as an anode material in lithium-ion batteries is…”
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High-frequency EPR study on Cu4Cu- and Co4Co-metallacrown complexes by Koo, C., Park, J., Butscher, J., Rentschler, E., Klingeler, R.

“…•First high frequency/high field EPR study on Cu4Cu and Co4Co is presented.•Cu4Cu shows S = 1/2 spin ground state and axial type g-anisotropy•Co4Co features…”
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Quasi-1D XY antiferromagnet Sr2Ni(SeO3)2Cl2 at Sakai-Takahashi phase diagram by Kozlyakova, E. S., Moskin, A. V., Berdonosov, P. S., Gapontsev, V. V., Streltsov, S. V., Uhlarz, M., Spachmann, S., ElGhandour, A., Klingeler, R., Vasiliev, A. N.

“…Uniform quasi-one-dimensional integer spin compounds are of interest as a potential realization of the Haldane conjecture of a gapped spin liquid. This phase,…”
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The intrinsic electronic phase diagram of iron-oxypnictide superconductors by Hess, C, Kondrat, A, Narduzzo, A, Hamann-Borrero, J. E, Klingeler, R, Werner, J, Behr, G, Büchner, B

“…We present the first comprehensive derivation of the intrinsic electronic phase diagram of the iron-oxypnictide superconductors in the normal state based on…”
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Hydrothermal microwave-assisted synthesis of Li3VO4 as an anode for lithium-ion battery by Zakharova, G. S., Thauer, E., Wegener, S. A., Nölke, J.-H., Zhu, Q., Klingeler, R.

“…Li 3 VO 4 with various morphologies has been synthesized by a microwave-assisted hydrothermal method. It is shown that the crystal size and morphology of Li 3…”
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The synthesis of carbon coated Fe, Co and Ni nanoparticles and an examination of their magnetic properties by El-Gendy, A.A., Ibrahim, E.M.M., Khavrus, V.O., Krupskaya, Y., Hampel, S., Leonhardt, A., Büchner, B., Klingeler, R.

“…Carbon coated Fe, Co and Ni nanoparticles (Fe@C, Co@C, and Ni@C, respectively) have been produced by high pressure chemical vapour deposition. Scanning…”
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The decisive role of magnetic anisotropy in honeycomb layered Li3Ni2SbO6 and Na3Ni2SbO6 by Werner, J., Hergett, W., Park, J., Koo, C., Zvereva, E.A., Vasiliev, A.N., Klingeler, R.

“…•High-frequency/high-field electron spin resonance measurements.•Magnetic phase diagram of S = 1 honeycomb-lattice system.•Short-range order up to 5 TN. The…”
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Novel synthesis and electrochemical investigations of ZnO/C composites for lithium-ion batteries by Thauer, E., Zakharova, G. S., Andreikov, E. I., Adam, V., Wegener, S. A., Nölke, J. -H., Singer, L., Ottmann, A., Asyuda, A., Zharnikov, M., Kiselkov, D. M., Zhu, Q., Puzyrev, I. S., Podval’naya, N. V., Klingeler, R.

“…For the first time, ZnO/C composites were synthesized using zinc glycerolate as a precursor through one-step calcination under a nitrogen atmosphere. The…”
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Magnetoelastic coupling and ferromagnetic-type in-gap spin excitations in multiferroic α-Cu2V2O7 by Wang, L, Werner, J, Ottmann, A, Weis, R, Abdel-Hafiez, M, Sannigrahi, J, Majumdar, S, Koo, C, Klingeler, R

“…We investigate magnetoelectric coupling and low-energy magnetic excitations in multiferroic α-Cu2V2O7 by detailed thermal expansion, magnetostriction, specific…”
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Commensurate spin density wave in LaFeAsO: a local probe study by Klauss, H-H, Luetkens, H, Klingeler, R, Hess, C, Litterst, F J, Kraken, M, Korshunov, M M, Eremin, I, Drechsler, S-L, Khasanov, R, Amato, A, Hamann-Borrero, J, Leps, N, Kondrat, A, Behr, G, Werner, J, Büchner, B

“…We present a detailed study on the magnetic order in the undoped mother compound LaFeAsO of the recently discovered Fe-based superconductor LaFeAsO1-xFx. In…”
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Anatase Nanotubes as an Electrode Material for Lithium-Ion Batteries by Zakharova, G. S, Jähne, C, Popa, A, Täschner, Ch, Gemming, Th, Leonhardt, A, Büchner, B, Klingeler, R

“…Anatase TiO2 nanotubes were synthesized via the hydrothermal method followed by annealing at 500 °C in argon for 1 h. The phase structure, morphology, and…”
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Field and temperature dependence of the superfluid density in LaFeAsO1-xFx superconductors: a muon spin relaxation study by Luetkens, H, Klauss, H-H, Khasanov, R, Amato, A, Klingeler, R, Hellmann, I, Leps, N, Kondrat, A, Hess, C, Köhler, A, Behr, G, Werner, J, Büchner, B

“…We present zero field and transverse field muon spin relaxation experiments on the recently discovered Fe-based superconductor LaFeAsO1-xFx (x=0.075 and…”
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Microwave-assisted hydrothermal synthesis of NH4V3O8 microcrystals with controllable morphology by Zakharova, G.S., Ottmann, A., Ehrstein, B., Klingeler, R.

“…[Display omitted] ⿢Water-free NH4V3O8 microcrystals have been successfully synthesized by a microwave-assisted hydrothermal method.⿢The crystal size and…”
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