TY - GEN A1 - Dorp, Dennis H. von A1 - Nyns, Laura A1 - Cuypers, Daniel A1 - Ivanov, Tsvetan A1 - Brizzi, Simone A1 - Tallarida, Massimo A1 - Fleischmann, Claudia A1 - Hönicke, Philipp A1 - Müller, Matthias A1 - Richard, Olivier A1 - Schmeißer, Dieter A1 - De Gendt, Stefan A1 - Lin, Dennis H. C. A1 - Adelmann, Christoph T1 - Amorphous Gadolinium Aluminate as a Dielectric and Sulfur for Indium Phosphide Passivation T2 - ACS Applied Electronic Materials N2 - The passivation of n-type InP (100) using sulfur in combination with a gadolinium aluminate (GAO) dielectric layer has been studied. Photoluminescence, minority-carrier lifetime, and capacitance−voltage measurements indicate that a (NH4)2S vapor passivation step prior to atomic layer deposition of the oxide effectively lowers the interface state density. Surface and interface chemistry were studied by synchrotron radiation photoemission spectroscopy (SRPES). The effect of ex situ surface passivation after native oxide removal in HCl solution was examined. It was observed that surface reoxidation occurred during (NH4)2S vapor exposure, leading to the formation of Inx(HPO4)y. S was present on the surface as a sulfide in both surface and subsurface sites. After atomic layer deposition of GAO, sulfates were detected in addition to Inx(HPO4)y, which was confirmed by near-edge X-ray absorptionfine structure analysis. The S in the stack was quantified using reference-free grazing incidence X-rayfluorescence analysis. X-ray absorption spectroscopy showed that Gd was oxidized and present in the 3+ oxidation state, most likely as a phosphate close to the InP interface and possibly mixed with sulfates. Energy-dependent SRPES measurements of Al 2p and Gd 4d core levels, complemented by transmission electron microscopy, further suggest that the dielectric layer was segregated. Valence band measurements confirm the effective passivation of InP, indicating unpinning of the surface Fermi level. KW - III−V KW - InP KW - sulfur passivation KW - atomic layer deposition KW - gadolinium aluminate KW - rare earth oxide KW - dielectric Y1 - 2019 U6 - https://doi.org/10.1021/acsaelm.9b00388 SN - 2637-6113 VL - 1 IS - 11 SP - 2190 EP - 2201 ER - TY - GEN A1 - Schob, Daniela A1 - Sagradov, Ilja A1 - Roszak, Robert A1 - Sparr, Holger A1 - Franke, Rainer A1 - Ziegenhorn, Matthias A1 - Kupsch, Andreas A1 - Leonard, Fabien A1 - Müller, Bernd R. A1 - Bruno, Giovanni T1 - Experimental determination and numerical simulation of material and damage behaviour of 3d printed polyamide 12 under cyclic loading T2 - Engineering Fracture Mechanics N2 - The material and damage behaviour of additively manufactured polyamide 12 under cyclic loading was characterized by cyclic tests and microstructure analysis by using microscopy, X-ray refraction, and computed tomography. The results were used to determine parameters for the viscoplastic material model by Chaboche and a damage model by Gurson-Tvergaard-Needleman. The temperature was monitored during the experiments and the self-heating effect was observed. By including this effect, a higher accuracy could be achieved with the results of mechanical experiments. KW - 3D printing Polyamide 12 KW - Chaboche model KW - GTN model KW - Material and damage behaviour KW - X-ray refraction KW - computed tomography Y1 - 2020 U6 - https://doi.org/10.1016/j.engfracmech.2019.106841 SN - 0013-7944 VL - 229 ER - TY - CHAP A1 - Müller, Matthias A1 - Bräutigam, Barbara A1 - Gahleitner, Silke Birgitta A1 - Rieger, Judith A1 - Sauer, Stefanie A1 - Steckelberg, Claudia A1 - Volkmann, Ute Elisabeth ED - Ehlert, Gudrun ED - Gahleitner, Silke Birgitta ED - Köttig, Michaela ED - Sauer, Stefanie ED - Riemann, Gerhard ED - Schmitt, Rudolf ED - Völter, Bettina T1 - Promotionsförderung an Hochschulen Sozialer Arbeit T2 - Forschen und Promovieren in der Sozialen Arbeit N2 - In den letzten zwei Jahrzehnten haben immer mehr SozialarbeiterInnen und SozialpädagogInnen mit einem FH-Abschluss ein Interesse daran gezeigt, zu forschen und zu promovieren. Angesichts dieser Situation scheint es angebracht, Bilanz zu ziehen und dabei unterschiedliche Perspektiven und Erfahrungen, insbesondere auch der (ehemaligen) DoktorandInnen selbst, zur Kenntnis zu nehmen. In den Entwicklungen kommt auch die zunehmende Bedeutung der Forschung in der Sozialen Arbeit zum Ausdruck. Der Band bilanziert den Status quo, lotet aber vor allem auch auf einer breiten Basis Perspektiven aus und entwickelt Standpunkte weiter. KW - Promotionsförderung KW - Soziale Arbeit KW - Forschen und Promovieren Y1 - 2017 SN - 978-3-8474-2070-5 SP - 140 EP - 151 PB - Budrich CY - Opladen ER - TY - GEN A1 - Neyret, Margot A1 - Le Provost, Gaëtane A1 - Boesing, Andrea Larissa A1 - Schneider, Florian D. A1 - Baulechner, Dennis A1 - Bergmann, Joana A1 - Vries, Franciska T. de A1 - Fiore-Donno, Anna Maria A1 - Geisen, Stefan A1 - Goldmann, Kezia A1 - Merges, Anna A1 - Saifutdinov, Ruslan A. A1 - Simons, Nadja K. A1 - Tobias, Joseph A. A1 - Zaitsev, Andrey S. A1 - Gossner, Martin M. A1 - Jung, Kirsten A1 - Kandeler, Ellen A1 - Krauss, Jochen A1 - Penone, Caterina A1 - Schloter, Michael A1 - Schulz, Stefanie A1 - Staab, Michael A1 - Wolters, Volkmar A1 - Apostolakis, Antonios A1 - Birkhofer, Klaus A1 - Boch, Steffen A1 - Boeddinghaus, Runa S. A1 - Bolliger, Ralph A1 - Bonkowski, Michael A1 - Buscot, François A1 - Dumack, Kenneth A1 - Fischer, Markus A1 - Gan, Huei Ying A1 - Heinze, Johannes A1 - Hölzel, Norbert A1 - John, Katharina A1 - Klaus, Valentin H. A1 - Kleinebecker, Till A1 - Marhan, Sven A1 - Müller, Jörg A1 - Renner, Swen C. A1 - Rillig, Matthias C. A1 - Schenk, Noëlle V. A1 - Schöning, Ingo A1 - Schrumpf, Marion A1 - Seibold, Sebastian A1 - Socher, Stephanie A. A1 - Solly, Emily F. A1 - Teuscher, Miriam A1 - Kleunen, Mark van A1 - Wubet, Tesfaye A1 - Manning, Peter T1 - A slow-fast trait continuum at the whole community level in relation to land-use intensification T2 - Nature Communications N2 - AbstractOrganismal functional strategies form a continuum from slow- to fast-growing organisms, in response to common drivers such as resource availability and disturbance. However, whether there is synchronisation of these strategies at the entire community level is unclear. Here, we combine trait data for 2800 above- and belowground taxa from 14 trophic guilds spanning a disturbance and resource availability gradient in German grasslands. The results indicate that most guilds consistently respond to these drivers through both direct and trophically mediated effects, resulting in a ‘slow-fast’ axis at the level of the entire community. Using 15 indicators of carbon and nutrient fluxes, biomass production and decomposition, we also show that fast trait communities are associated with faster rates of ecosystem functioning. These findings demonstrate that ‘slow’ and ‘fast’ strategies can be manifested at the level of whole communities, opening new avenues of ecosystem-level functional classification. KW - General Physics and Astronomy KW - General Biochemistry KW - General Chemistry KW - Multidisciplinary KW - Genetics and Molecular Biology Y1 - 2024 U6 - https://doi.org/10.1038/s41467-024-45113-5 SN - 2041-1723 VL - 15 IS - 1 ER - TY - GEN A1 - Berger, Uta A1 - Bell, Andrew A1 - Barton, C. Michael A1 - Chappin, Emile A1 - Dreßler, Gunnar A1 - Filatova, Tatiana A1 - Fronville, Thibault A1 - Lee, Allen A1 - Loon, Emiel van A1 - Lorscheid, Iris A1 - Meyer, Matthias A1 - Müller, Birgit A1 - Piou, Cyril A1 - Radchuk, Viktoriia A1 - Roxburgh, Nicholas A1 - Schüler, Lennart A1 - Troost, Christian A1 - Wijermans, Nanda A1 - Williams, Tim G. A1 - Wimmler, Marie-Christin A1 - Grimm, Volker T1 - Towards reusable building blocks for agent-based modelling and theory development T2 - Environmental Modelling & Software Y1 - 2024 U6 - https://doi.org/10.1016/j.envsoft.2024.106003 SN - 1364-8152 VL - 175 PB - Elsevier BV ER - TY - GEN A1 - Wägele, J. Wolfgang A1 - Bodesheim, Paul A1 - Bourlat, Sarah J. A1 - Denzler, Joachim A1 - Diepenbroek, Michael A1 - Fonseca, Vera A1 - Frommolt, Karl-Heinz A1 - Geiger, Matthias F. A1 - Gemeinholzer, Birgit A1 - Glöckner, Frank Oliver A1 - Haucke, Timm A1 - Kirse, Ameli A1 - Kölpin, Alexander A1 - Kostadinov, Ivaylo A1 - Kühl, Hjalmar S. A1 - Kurth, Frank A1 - Lasseck, Mario A1 - Liedke, Sascha A1 - Losch, Florian A1 - Müller, Sandra A1 - Petrovskaya, Natalia A1 - Piotrowski, Krzysztof A1 - Radig, Bernd A1 - Scherber, Christoph A1 - Schoppmann, Lukas A1 - Schulz, Jan A1 - Steinhage, Volker A1 - Tschan, Georg F. A1 - Vautz, Wolfgang A1 - Velotto, Domenico A1 - Weigend, Maximilian A1 - Wildermann, Stefan T1 - Towards a Multisensor Station for Automated Biodiversity Monitoring T2 - Basic and Applied Ecology Y1 - 2022 U6 - https://doi.org/10.1016/j.baae.2022.01.003 SN - 1439-1791 VL - 59 SP - 105 EP - 138 ER -