Search Results - "Böttcher, Rolf"

Grafting of [Mn(CH2tBu)2(tmeda)] on Silica and Comparison with Its Reaction with a Silsesquioxane by Riollet, Virginie, Quadrelli, Elsje Alessandra, Copéret, Christophe, Basset, Jean-Marie, Andersen, Richard A., Köhler, Klaus, Böttcher, Rolf-Michael, Herdtweck, Eberhardt

“…The reaction of [Mn(CH2tBu)2(tmeda)] (1) and a silica partially dehydroxylated at 700 °C (SiO2/700) yields a single surface species [(SiO)Mn(CH2tBu)(tmeda)]…”
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Crystal structure and related properties of copper-doped barium titanate ceramics by Langhammer, Hans Theo, Müller, Thomas, Böttcher, Rolf, Abicht, Hans-Peter

“…The influence of copper on the crystallographic phase and the microstructure of ceramics with a nominal composition of BaTiO 3+0.02 BaO+ x CuO (0⩽ x⩽0.02) was…”
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Role of ascorbic acid in stratum corneum lipid models exposed to UV irradiation by TROMMER, Hagen, BÖTTCHER, Rolf, PÖPPL, Andreas, HOENTSCH, Joachim, WARTEWIG, Siegfried, NEUBERT, Reinhard H. H

“…The effects of ascorbic acid on Stratum corneum lipid models following ultraviolet irradiation were studied adding iron ions as transition metal catalysts…”
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Lanthanide Ions as Local Probes in Ionic Hydrides: A Pulsed Electron Nuclear Double Resonance and Thermoluminescence Study of Eu 2+ -Doped Hydride Perovskites by Wylezich, Thomas, Böttcher, Rolf, Sontakke, Atul D., Castaing, Victor, Viana, Bruno, Pöppl, Andreas, Kunkel, Nathalie

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Study of charged defects for substitutionally doped chromium in hexagonal barium titanate from first-principles theory by Nayak, Sanjeev K., Adeagbo, Waheed A., Langhammer, Hans T., Hergert, Wolfram, Müller, Thomas, Böttcher, Rolf

“…We have studied the defect properties of substitutionally doped chromium in hexagonal barium titanate using the density functional theory together with the…”
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Lanthanide Ions as Local Probes in Ionic Hydrides: A Pulsed Electron Nuclear Double Resonance and Thermoluminescence Study of Eu2+-Doped Hydride Perovskites by Wylezich, Thomas, Böttcher, Rolf, Sontakke, Atul D, Castaing, Victor, Viana, Bruno, Pöppl, Andreas, Kunkel, Nathalie

“…A model study on the use of pulsed electron paramagnetic resonance spectroscopy and optical spectroscopy of Eu2+ as a local probe in hydrides is presented for…”
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Negative‐U Properties of the Deep Level E3 in ZnO by Pickenhain, Rainer, Schmidt, Matthias, von Wenckstern, Holger, Benndorf, Gabriele, Pöppl, Andreas, Böttcher, Rolf, Grundmann, Marius

“…The deep level E3 is a commonly observed defect in bulk crystals and thin films of ZnO independently of the method of growth. Its chemical origin is still not…”
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(55)Mn pulsed ENDOR spectroscopy of Mn(2+) ions in ZnO thin films and single crystal by Böttcher, Rolf, Pöppl, Andreas, Lorenz, Michael, Friedländer, Stefan, Spemann, Daniel, Grundmann, Marius

“…(55)Mn pulsed electron nuclear double resonance (ENDOR) experiments were performed at X-band on high spin S=5/2 Mn(2+) ions incorporated at zinc lattice sites…”
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Characterization of the mangansese functional center site in BaTiO3 by right-angle wiggling EPR spectroscopy by Eichel, Rüdiger, Böttcher, Rolf

“…The recently introduced right-angle wiggling (RAW) EPR technique is applied to enhance the resolution of complicated spectra resulting from high-spin centers…”
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55Mn pulsed ENDOR spectroscopy of Mn2+ ions in ZnO thin films and single crystal by Böttcher, Rolf, Pöppl, Andreas, Lorenz, Michael, Friedländer, Stefan, Spemann, Daniel, Grundmann, Marius

“…[Display omitted] •55Mn pulsed ENDOR experiments of high spin Mn2+ ions in 1μm thick ZnO thin films.•Determination of axially symmetric 55Mn hf and nq…”
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Dielectric Ceramic EPR Resonators for Low Temperature Spectroscopy at X-band Frequencies by Friedländer, Stefan, Ovchar, Oleg, Voigt, Horst, Böttcher, Rolf, Belous, Anatolii, Pöppl, Andreas

“…The performance of new dielectric ceramic resonators (DRs) for continuous wave (cw) X-band electron paramagnetic resonance (EPR) spectroscopy is investigated…”
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Characterization of the high-spin Mn 2 + -functional centre in BaTiO_3 by means of right-angle wiggling electron paramagnetic resonance spectroscopy by Eichel, Rüdiger-a., Böttcher, Rolf

“…The recently introduced right-angle wiggling (RAW) EPR technique is applied to enhance the resolution of complicated high-spin EPR spectra. In particular, the…”
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Growth and characterization of Mn- and Co-doped ZnO nanowires by Rahm, Andreas, Kaidashev, Evgeni M., Schmidt, Heidemarie, Diaconu, Mariana, Pöppl, Andreas, Böttcher, Rolf, Meinecke, Christoph, Butz, Tilman, Lorenz, Michael, Grundmann, Marius

“…We report on the high-pressure pulsed laser deposition growth of zinc oxide nanowires containing about 0.2at.% Co and 0.5at.% Mn by NiO and Au catalyst…”
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133Cesium HYSCORE Investigation of the Di-tert-butyl Nitroxide−Cs+ Adsorption Complex in CsNaY Zeolite by Gutjahr, Marlen, Böttcher, Rolf, Pöppl, Andreas

“…133Cs hyperfine sublevel correlation (HYSCORE) spectroscopy has been employed to characterize the structure of adsorption complexes of di-tert-butyl nitroxide…”
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133 Cesium HYSCORE Investigation of the Di- tert -butyl Nitroxide−Cs + Adsorption Complex in CsNaY Zeolite by Gutjahr, Marlen, Böttcher, Rolf, Pöppl, Andreas

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Size effects in chromium-doped PbTiO3 nanopowders observed by multi-frequency EPR by Erdem, Emre, Böttcher, Rolf, Gläsel, Hans-Jürgen, Hartmann, Eberhard

“…A multi‐frequency (X, Q, and W band) electron paramagnetic resonance (EPR) study of Cr‐doped PbTiO3 micro‐ and nanopowder samples was performed. Three Cr3+…”
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The effects of hyaluronan and its fragments on lipid models exposed to UV irradiation by Trommer, Hagen, Wartewig, Siegfried, Böttcher, Rolf, Pöppl, Andreas, Hoentsch, Joachim, Ozegowski, Jörg H., Neubert, Reinhard H.H.

“…The effects of hyaluronan and its degradation products on irradiation-induced lipid peroxidation were investigated. Liposomal skin lipid models with increasing…”
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Chromium point defects in hexagonal BaTiO 3 : A comparative study of first-principles calculations and experiments by Nayak, Sanjeev K., Langhammer, Hans T., Adeagbo, Waheed A., Hergert, Wolfram, Müller, Thomas, Böttcher, Rolf

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Multi-frequency EPR study of Cr(3+) doped lead titanate (PbTiO(3)) nanopowders by Erdem, E, Biittcher, R, Semmelhack, H-C, Glasel, H-J, Hartmann, E

“…In our multi-frequency EPR study of Cr(3+) doped PbTiO(3) nanopowder samples with varying mean particle size, three paramagnetic Cr(3+) centres (Cl, C2, C3)…”
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A Q- and X-Band Pulsed Electron Nuclear Double Resonance Study of the Structure and Location of the Vanadyl Ions in the Cs Salt of Heteropolyacid PVMo11O40 by Gutjahr, Marlen, Hoentsch, Joachim, Böttcher, Rolf, Storcheva, Oksana, Köhler, Klaus, Pöppl, Andreas

“…The location and coordination geometry of vanadium(IV) ions in the cesium salt of molybdovanadophosphoric heteropolyacid Cs4PVMo11O40 were studied using…”
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