@article{13751, author = {{Esser, N. and Schmidt, Wolf Gero and Cobet, C. and Fleischer, K. and Shkrebtii, A. I. and Fimland, B. O. and Richter, W.}}, issn = {{0734-211X}}, journal = {{Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures}}, number = {{5}}, title = {{{Atomic structure and optical anisotropy of III–V(001) surfaces}}}, doi = {{10.1116/1.1394730}}, volume = {{19}}, year = {{2001}}, } @article{13753, author = {{Pulci, O. and Schmidt, Wolf Gero and Bechstedt, F.}}, issn = {{0031-8965}}, journal = {{physica status solidi (a)}}, number = {{1}}, pages = {{105--110}}, title = {{{Structure and Energetics of P-rich GaP(001) Surfaces}}}, doi = {{10.1002/1521-396x(200103)184:1<105::aid-pssa105>3.0.co;2-d}}, volume = {{184}}, year = {{2001}}, } @article{13847, author = {{Hingerl, K and Balderas-Navarro, R.E and Bonanni, A and Tichopadek, P and Schmidt, Wolf Gero}}, issn = {{0169-4332}}, journal = {{Applied Surface Science}}, pages = {{769--776}}, title = {{{On the origin of resonance features in reflectance difference data of silicon}}}, doi = {{10.1016/s0169-4332(01)00114-3}}, volume = {{175-176}}, year = {{2001}}, } @article{13849, author = {{Schmidt, Wolf Gero and Bechstedt, F. and Bernholc, J.}}, issn = {{0163-1829}}, journal = {{Physical Review B}}, title = {{{Terrace and step contributions to the optical anisotropy of Si(001) surfaces}}}, doi = {{10.1103/physrevb.63.045322}}, volume = {{63}}, year = {{2001}}, } @article{27987, author = {{Buyken, Anette and Toeller, M and Heitkamp, G and Irsigler, K and Holler, C and Santeusanio, F and Stehle, P and Fuller, JH}}, issn = {{0742-3071}}, journal = {{Diabet Med}}, number = {{5}}, pages = {{351--359}}, title = {{{Carbohydrate sources and glycaemic control in Type 1 diabetes mellitus. EURODIAB IDDM Complications Study Group.}}}, doi = {{10.1046/j.1464-5491.2000.00283.x}}, volume = {{17}}, year = {{2000}}, } @article{7690, author = {{Heidtkamp, C. and Meier, Cedrik and Reuter, D. and Versen, M. and Hoch, S. and Diaconescu, D. and Wieck, A.D.}}, issn = {{0921-4526}}, journal = {{Physica B: Condensed Matter}}, pages = {{1728--1729}}, publisher = {{Elsevier BV}}, title = {{{Tunable backscattering in quantum Hall systems induced by neighbouring gates}}}, doi = {{10.1016/s0921-4526(99)02892-6}}, volume = {{284-288}}, year = {{2000}}, } @article{7691, author = {{Diaconescu, Dorina and Hoch, Sascha and Heidtkamp, Christian and Meier, Cedrik and Reuter, Dirk and Wieck, Andreas D}}, issn = {{0921-4526}}, journal = {{Physica B: Condensed Matter}}, pages = {{1906--1907}}, publisher = {{Elsevier BV}}, title = {{{A new peak in the bend resistance of a four-terminal device written by FIB implantation}}}, doi = {{10.1016/s0921-4526(99)03002-1}}, volume = {{284-288}}, year = {{2000}}, } @inproceedings{7692, author = {{Reuter, D. and Meier, Cedrik and Alvarez, M. A. and Koch, J. and Wieck, A. D.}}, booktitle = {{IECON Proc. }}, pages = {{1878}}, title = {{{Laterally resolved doping by focused ion beam implantation}}}, year = {{2000}}, } @article{35366, author = {{Quijada-Garrido, Isabel and Siebert, Hartmut and Friedrich, Christian and Schmidt, Claudia}}, issn = {{0024-9297}}, journal = {{Macromolecules}}, keywords = {{Materials Chemistry, Inorganic Chemistry, Polymers and Plastics, Organic Chemistry}}, number = {{10}}, pages = {{3844--3854}}, publisher = {{American Chemical Society (ACS)}}, title = {{{Flow Behavior of Two Side-Chain Liquid Crystal Polymers Studied by Transient Rheology}}}, doi = {{10.1021/ma991490m}}, volume = {{33}}, year = {{2000}}, } @inbook{35357, author = {{Mueller, Christian and Schmidt, Claudia and Koopmann, Florian and Frey, Holger}}, booktitle = {{Organosilicon Chemistry}}, publisher = {{Wiley-VCH Verlag GmbH}}, title = {{{Polymorphism and Molecular Mobility of Poly(silane)s and Poly(silylenemethlene)s}}}, doi = {{10.1002/9783527620777.ch95c}}, year = {{2000}}, } @article{27935, author = {{Bigga, Regine}}, journal = {{awt-info }}, pages = {{20--28}}, title = {{{Fünf vor zwölf und keinen Ausbildungsplatz. Eine Unterrichtsskizze zur Berufsorientierung. }}}, volume = {{2}}, year = {{2000}}, } @article{40084, author = {{Röder, Th. and Paelke, L. and Held, N. and Vinzelberg, S. and Kitzerow, Heinz-Siegfried}}, issn = {{0034-6748}}, journal = {{Review of Scientific Instruments}}, keywords = {{Instrumentation}}, number = {{7}}, pages = {{2759--2764}}, publisher = {{AIP Publishing}}, title = {{{Imaging of liquid crystals using a new scanning near-field optical microscope with microfabricated tips and shear force detection}}}, doi = {{10.1063/1.1150688}}, volume = {{71}}, year = {{2000}}, } @article{40083, author = {{Glossmann, Jochen and Hoischen, Andreas and Roder, Thorsten and Kitzerow, Heinz-Siegfried}}, issn = {{0015-0193}}, journal = {{Ferroelectrics}}, keywords = {{Condensed Matter Physics, Electronic, Optical and Magnetic Materials}}, number = {{1}}, pages = {{95--106}}, publisher = {{Informa UK Limited}}, title = {{{Asymmetric switching and storage effects in ferroelectric and antiferroelectric gels and polymers}}}, doi = {{10.1080/00150190008008011}}, volume = {{243}}, year = {{2000}}, } @article{42051, author = {{Inglés, Sergio Escudero and Katzenstein, Armin and Schlenker, Wolfgang and Huber, Klaus}}, issn = {{0743-7463}}, journal = {{Langmuir}}, keywords = {{Electrochemistry, Spectroscopy, Surfaces and Interfaces, Condensed Matter Physics, General Materials Science}}, number = {{7}}, pages = {{3010--3018}}, publisher = {{American Chemical Society (ACS)}}, title = {{{Time-Resolved Recording of Ionic Dyestuff Aggregation by Static Light Scattering}}}, doi = {{10.1021/la9903649}}, volume = {{16}}, year = {{2000}}, } @article{26005, abstract = {{Mesostructured aluminophosphate/dodecyl phosphate composite materials were synthesized under aqueous and alcoholic conditions. The syntheses were monitored by temperature- and time-resolved in-situ small-angle X-ray scattering (SAXS). In the aqueous synthesis, a lamellar mesostructure is formed within the first few minutes of the reaction; this structure maintains a constant d spacing independent of the reaction time and temperature. The alcoholic synthesis at low temperature yields a mixture of a lamellar and a supposedly inverted hexagonal mesostructure. SAXS investigations show that these two phases evolve competitively. The lamellar structure is favored by higher temperatures and/or longer synthesis times; above ∼70 °C it is formed exclusively. Mixtures of both phases can be isolated as solid materials, but thermal analysis shows that the inverted hexagonal product transforms into the lamellar phase at ∼35−43 °C. The alcoholic synthesis is a highly cooperative reaction; the pure surfactant/alcohol systems are not lyotropic as long as the inorganic reactants are absent. In comparison, the surfactant/water system with the same surfactant concentrations as employed for the aqueous syntheses is lyotropic with a lamellar structure.}}, author = {{Tiemann, Michael and Fröba, M. and Rapp, G. and Funari, S. S.}}, issn = {{0897-4756}}, journal = {{Chemistry of Materials}}, pages = {{1342--1348}}, title = {{{Nonaqueous Synthesis of Mesostructured Aluminophosphate/Surfactant Composites:  Synthesis, Characterization, and In-Situ SAXS Studies}}}, doi = {{10.1021/cm991165d}}, year = {{2000}}, } @article{26004, abstract = {{The atomic structure of ordered mesostructured aluminophosphates with dodecyl phosphate as the structure-directing template was investigated by multinuclear solid-state NMR. Two different types of materials were studied:  one with the template headgroup as the only phosphate source and one where additionally phosphoric acid was used in the synthesis. All 31P and 27Al NMR resonances can be subdivided into three groups depending on the sample composition. Furthermore, 2D heteronuclear correlation NMR measurements allow a conclusive and unambiguous identification of the phosphate headgroup resonances of the template molecules and the determination of water and/or hydroxyl units. Most notably, there is an obvious correlation between the d001 values of the samples as measured by powder X-ray diffraction and the appearance of the various groups of 27Al and 31P resonances.}}, author = {{Schulz, M. and Tiemann, Michael and Fröba, M. and Jäger, C.}}, issn = {{1520-6106}}, journal = {{The Journal of Physical Chemistry B}}, pages = {{10473--10481}}, title = {{{NMR Characterization of Mesostructured Aluminophosphates}}}, doi = {{10.1021/jp000337n}}, year = {{2000}}, } @inbook{26006, abstract = {{Mesostructured aluminophosphate / surfactant composite materials were prepared from aqueous and alcoholic systems. Syntheses in ethanol or methanol, respectively, lead to mixtures of two nanostructured phases. One of these consists of hexagonally arranged rod-like assemblies of the surfactant molecules with the head groups located in the centres, encapsulating the inorganic aluminophosphate; the other is lamellar. The syntheses were monitored by in-situ temperature- and time-resolved small angle X-ray scattering (SAXS).}}, author = {{Tiemann, Michael and Fröba, M. and Rapp, G. and Funari, S.S.}}, booktitle = {{Nanoporous Materials II, Proceedings of the 2nd Conference on Access in Nanoporous Materials}}, issn = {{0167-2991}}, title = {{{In-situ small angle x-ray scattering (SAXS) studies on the formation of mesostructured aluminophosphate / surfactant composite materials}}}, doi = {{10.1016/s0167-2991(00)80258-x}}, year = {{2000}}, } @article{43318, abstract = {{The density-dependent absorption in the presence of incoherent occupations of excitons and electron–hole pairs is analyzed including many-body correlations represented by exciton to two-exciton transitions. At low temperatures the exciton resonance is bleached and shifts to higher energies with increasing density. For higher temperature, the blue shift disappears and pure bleaching is obtained.}}, author = {{Meier, Torsten and Koch, S.W.}}, journal = {{physica status solidi (b)}}, number = {{1}}, pages = {{211--214}}, publisher = {{WILEY‐VCH Verlag Berlin GmbH}}, title = {{{Analysis of Excitonic Absorption Changes Induced by Incoherent Exciton and Electron-Hole-Pair Populations}}}, doi = {{10.1002/1521-3951(200009)221:1<211::AID-PSSB211>3.0.CO;2-L}}, volume = {{221}}, year = {{2000}}, } @article{43314, abstract = {{Two phase-locked pulses are used to coherently excite excitonic polarizations. It is shown that the second pulse can either be strongly amplified by taking up energy gained from the destruction of the exciton polarization or can be decreased drastically by giving up all its energy to excitons. Both the temporal and the spectral signatures of the transmitted pulse shapes agree well with model calculations.}}, author = {{Meier, Torsten and Yee, D.S. and Yee, K.J. and Hohng, S.C. and Kim, D.S. and Koch, S.W.}}, journal = {{Physical review letters}}, number = {{15}}, publisher = {{American Physical Society}}, title = {{{Coherent Control of Absorption and Free Polarization Decay in GaAs Quantum Wells: Time and Spectral Domain Studies}}}, doi = {{10.1103/PhysRevLett.84.3474}}, volume = {{84}}, year = {{2000}}, } @inproceedings{44134, author = {{Meier, Torsten and Brick, P. and Ell, C. and Khitrova, G. and Gibbs, H.M. and Koch, S.W.}}, booktitle = {{Quantum Electronics and Laser Science Conference (QELS 2000)}}, isbn = {{1-55752-608-7}}, issn = {{1094-5695}}, location = {{San Francisco, California United States}}, title = {{{χ(5)-signatures in the optical Stark effect}}}, year = {{2000}}, }