@article{25994, abstract = {{Periodically ordered mesoporous magnesium oxides were synthesized by utilization of mesoporous CMK-3 carbon as exotemplate. The products exhibit high thermal stability and basic properties, which makes them promising for application in heterogeneous basic catalysis.}}, author = {{Roggenbuck, Jan and Tiemann, Michael}}, issn = {{0002-7863}}, journal = {{Journal of the American Chemical Society}}, pages = {{1096--1097}}, title = {{{Ordered Mesoporous Magnesium Oxide with High Thermal Stability Synthesized by Exotemplating Using CMK-3 Carbon}}}, doi = {{10.1021/ja043605u}}, year = {{2005}}, } @article{39574, author = {{Scharnberg, M. and Hu, J. and Kanzow, J. and Rätzke, K. and Adelung, R. and Faupel, F. and Pannemann, C. and Hilleringmann, Ulrich and Meyer, S. and Pflaum, J.}}, issn = {{0003-6951}}, journal = {{Applied Physics Letters}}, keywords = {{Physics and Astronomy (miscellaneous)}}, number = {{2}}, publisher = {{AIP Publishing}}, title = {{{Radiotracer measurements as a sensitive tool for the detection of metal penetration in molecular-based organic electronics}}}, doi = {{10.1063/1.1849845}}, volume = {{86}}, year = {{2005}}, } @inproceedings{39835, author = {{Scholz, R. and Müller, A.-D. and Müller, F. and Thurzo, I. and Paez, B. A. and Mancera, L. and Zahn, D. R. T. and Pannemann, C. and Hilleringmann, Ulrich}}, booktitle = {{SPIE Proceedings}}, editor = {{Bao, Zhenan and Gundlach, David J.}}, issn = {{0277-786X}}, publisher = {{SPIE}}, title = {{{Comparison between the charge carrier mobilities in pentacene OFET structures as obtained from electrical characterization and potentiometry}}}, doi = {{10.1117/12.617004}}, year = {{2005}}, } @inproceedings{39834, author = {{Scholz, R. and Müller, A.-D. and Müller, F. and Thurzo, I. and Paez, B. A. and Mancera, L. and Zahn, D. R. T. and Pannemann, C. and Hilleringmann, Ulrich}}, booktitle = {{SPIE Proceedings}}, editor = {{Bao, Zhenan and Gundlach, David J.}}, issn = {{0277-786X}}, publisher = {{SPIE}}, title = {{{Comparison between the charge carrier mobilities in pentacene OFET structures as obtained from electrical characterization and potentiometry}}}, doi = {{10.1117/12.617004}}, year = {{2005}}, } @inbook{43275, author = {{Meier, Torsten and Koch, S.W.}}, booktitle = {{Encyclopedia of Modern Optics}}, editor = {{Guenther, B. and Bayvel, L. and Steel, D.G.}}, pages = {{163--173}}, publisher = {{Elsevier}}, title = {{{COHERENT TRANSIENTS | Foundations of Coherent Transients in Semiconductors}}}, doi = {{10.1016/B0-12-369395-0/00754-5}}, year = {{2005}}, } @misc{42807, author = {{Klüners, Jürgen}}, isbn = {{978-3-8322-4003-5}}, pages = {{114}}, publisher = {{Shaker Verlag}}, title = {{{Über die Asymptotik von Zahlkörpern mit vorgegebener Galoisgruppe (Habilitation)}}}, year = {{2005}}, } @misc{43455, author = {{Kirschmer, Markus}}, pages = {{147}}, title = {{{Konstruktive Idealtheorie in Quaternionenalgebren (Diplomarbeit)}}}, year = {{2005}}, } @book{43654, editor = {{Fechtner, Kristian and Fermor, Gotthard and Pohl-Patalong, Uta and Schroeter-Wittke, Harald}}, isbn = {{9783170185241}}, pages = {{374}}, publisher = {{W.Kohlhammer}}, title = {{{Handbuch Religion und Populäre Kultur}}}, year = {{2005}}, } @inbook{43659, author = {{Schroeter-Wittke, Harald}}, booktitle = {{Räume des Glaubens - Räume der Freiheit. Materialien zu den Kulturpolitischen Leitlinien der Evangelischen Kirche von Westfalen}}, editor = {{Sareika, Rüdiger}}, pages = {{18--31}}, title = {{{Kultur - Raum - Kirche. "Kunst ist schön, macht aber auch viel Arbeit"}}}, year = {{2005}}, } @book{43655, editor = {{Fermor, Gotthard and Schroeter-Wittke, Harald}}, isbn = {{9783374023042 }}, pages = {{288}}, publisher = {{Evangelische Verlagsanstalt}}, title = {{{Kirchenmusik als religiöse Praxis. Praktisch-theologisches Handbuch zur Kirchenmusik. Klaus Danzeglocke zum 60. Geburtstag}}}, year = {{2005}}, } @inbook{43658, author = {{Schroeter-Wittke, Harald}}, booktitle = {{Kirchenmusik als religiöse Praxis. Praktisch-theologisches handbuch zur Kirchenmusik}}, editor = {{Fermor, Gotthard and Schroeter-Wittke, Harald}}, pages = {{42--49}}, title = {{{Rhythmus}}}, year = {{2005}}, } @inbook{43657, author = {{Schroeter-Wittke, Harald}}, booktitle = {{Handbuch Religion und Populäre Kultur}}, editor = {{Fechtner, Kristian and Fermor, Gotthard and Pohl-Patalong, Uta and Schroeter-Wittke, Harald}}, pages = {{314--325}}, title = {{{Unterhaltung}}}, year = {{2005}}, } @inbook{43656, author = {{Schroeter-Wittke, Harald and Gutmann, Hans-Martin}}, booktitle = {{Neues Handbuch theologischer Grundbegriffe Band 3}}, editor = {{Eicher, Peter}}, pages = {{117--127}}, title = {{{Musik und Religion}}}, year = {{2005}}, } @article{43660, author = {{Schroeter-Wittke, Harald}}, journal = {{epd-Dokumentation}}, number = {{50}}, pages = {{26--28}}, title = {{{Der Deutsche Evangelische Kirchentag in den 60er und 70er Jahren - eine soziale Bewegung?}}}, year = {{2005}}, } @inproceedings{44121, abstract = {{Theory/experiment comparisons of optical properties of dilute nitride heterostructures are presented. A type I - type II transition in In0.23Ga0.77As/GaNxAs1−x heterostructures is identified. The model is used for a study of lasing in the 1.3-1.5μm range.}}, author = {{Meier, Torsten and Schlichenmaier, C. and Thränhardt, A. and Grüning, H. and Klar, Peter J. and Heimbrodt, Wolfram and Koch, S.W. and Chow, Weng W. and Hader, J. and Moloney, Jerome V.}}, booktitle = {{ Quantum Electronics and Laser Science Conference}}, isbn = {{1-55752-770-9}}, location = {{Baltimore, Maryland United States}}, publisher = {{Optical Society of America}}, title = {{{Analysis of dilute nitride semiconductor laser gain materials in the 1.3-1.5/spl mu/m range}}}, year = {{2005}}, } @article{23501, abstract = {{A set of (Ga0.77In0.23)As/Ga(NxAs1−x) heterostructures is studied by time-resolved photoluminescence. Four samples with nitrogen concentrations from x=0.48% up to x=2.2% are investigated at different temperatures and with different excitation densities. The experiments suggest that the heterostructure band offset is type I for x=0.48% and type II for x=2.2%. The situation is more complex for x=0.72% and x=1.25%, since these samples are close to the transition from type I to type II. The experimental findings are analyzed using a detailed microscopic theory. Numerical calculations describe the measured data well. In particular, the interpretation of the experimental results concerning the band alignment is confirmed by the theoretical analysis.}}, author = {{Hantke, K. and Heber, J. D. and Schlichenmaier, C. and Thränhardt, A. and Meier, Torsten and Kunert, B. and Volz, K. and Stolz, W. and Koch, S. W. and Rühle, W. W.}}, issn = {{1098-0121}}, journal = {{Physical Review B}}, number = {{16}}, title = {{{Time-resolved photoluminescence of type-I and type-II (GaIn) As/Ga (NAs) heterostructures}}}, doi = {{10.1103/physrevb.71.165320}}, volume = {{71}}, year = {{2005}}, } @article{23496, abstract = {{The optical and electronic properties of semiconductor heterostructures in the vicinity of photonic crystals are discussed. The theoretical approach provides a self-consistent solution of the dynamics of the electromagnetic field and the material excitations. Due to the influence of the structured dielectric environment on the Coulomb interaction, the exciton resonances and the quasiequilibrium carrier densities in the spatially homogeneous semiconductor become space dependent. It is demonstrated that these inhomogeneities lead to distinct modifications of the optical absorption and gain spectra. As an application, numerically calculated density-dependent optical spectra are analyzed for an array of semiconductor quantum wires which are close to a two-dimensional photonic crystal. The spatial inhomogeneities result in novel excitonic absorption features and modification of the optical gain in these structures.}}, author = {{Reichelt, Matthias and Pasenow, B. and Meier, Torsten and Stroucken, T. and Koch, S. W.}}, issn = {{1098-0121}}, journal = {{Physical Review B}}, number = {{3}}, title = {{{Spatially inhomogeneous optical gain in semiconductor photonic-crystal structures}}}, doi = {{10.1103/physrevb.71.035346}}, volume = {{71}}, year = {{2005}}, } @article{23498, abstract = {{The ultrafast dynamics of photoexcitations at silicon surfaces is investigated using a surface-sensitive purely optical technique. In the experiments, the diffracted second harmonic generated by sequences of ultrashort laser pulses is detected as a function of the time delay between the pulses. It is demonstrated that this five-wave-mixing technique can be used to measure the temporal evolution of the optical polarization and the photoexcited populations at the surface. The experimental results can be reproduced by numerical solutions of optical Bloch equations. The theoretical analysis allows one to investigate which dephasing times and relaxation processes are compatible with experiment. Furthermore, it is outlined how one can describe optical nonlinearities at surfaces using a microscopic theory within the framework of semiconductor Bloch equations.}}, author = {{Meier, Torsten and Reichelt, Matthias and Koch, S W and Höfer, U}}, issn = {{0953-8984}}, journal = {{Journal of Physics: Condensed Matter}}, number = {{8}}, pages = {{S221--S244}}, title = {{{Femtosecond time-resolved five-wave mixing at silicon surfaces}}}, doi = {{10.1088/0953-8984/17/8/003}}, volume = {{17}}, year = {{2005}}, } @article{23499, abstract = {{The ultrafast dynamics of photoexcitations at silicon surfaces is investigated using a surface-sensitive purely optical technique. In the experiments, the diffracted second harmonic generated by sequences of ultrashort laser pulses is detected as a function of the time delay between the pulses. It is demonstrated that this five-wave-mixing technique can be used to measure the temporal evolution of the optical polarization and the photoexcited populations at the surface. The experimental results can be reproduced by numerical solutions of optical Bloch equations. The theoretical analysis allows one to investigate which dephasing times and relaxation processes are compatible with experiment. Furthermore, it is outlined how one can describe optical nonlinearities at surfaces using a microscopic theory within the framework of semiconductor Bloch equations.}}, author = {{Meier, Torsten and Reichelt, Matthias and Koch, S W and Höfer, U}}, issn = {{0953-8984}}, journal = {{Journal of Physics: Condensed Matter}}, number = {{8}}, pages = {{S221--S244}}, title = {{{Femtosecond time-resolved five-wave mixing at silicon surfaces}}}, doi = {{10.1088/0953-8984/17/8/003}}, volume = {{17}}, year = {{2005}}, } @inproceedings{44297, author = {{Meier, Torsten and Reichelt, Matthias and Pasenow, B. and Stroucken, T. and Koch, S.W.}}, booktitle = {{2005 annual conference of the German Physical Society (DPG) during the World year of physics}}, location = {{Berlin, Germany}}, title = {{{Optical properties of semiconductor photonic-crystal structures: spatially-inhomogeneous excitonic resonances and optical gain}}}, volume = {{40}}, year = {{2005}}, }