Search Results - "Abou-Ras, D."

Combined electron backscatter diffraction and cathodoluminescence measurements on CuInS2/Mo/glass stacks and CuInS2 thin-film solar cells.

Authors: Abou-Ras, D. Jahn, U. Nichterwitz, M.

Source: Journal of Applied Physics; January 1 2010, Vol. 107 Issue 1, p014311-1-014311-8, 8p

Neutron Diffraction Studies: Structure and Physical Properties of La O FFeSe.

Authors: Colin, C. Landsgesell, S. Prokeš, K. et al.

Source: Journal of Superconductivity & Novel Magnetism; Mar2015, Vol. 28 Issue 3, p1111-1116, 6p

Analysis of grain orientation and defects in Sb2Se3 solar cells fabricated by close-spaced sublimation.

Authors: Krautmann, R. Spalatu, N. Gunder, R. et al.

Source: Solar Energy; Sep2021, Vol. 225, p494-500, 7p

Electron Backscatter Diffraction: An Important Tool for Analyses of Structure-Property Relationships in Thin-Film Solar Cells.

Authors: Abou-Ras, D. Kavalakkatt, J. Nichterwitz, M. et al.

Source: JOM: The Journal of The Minerals, Metals & Materials Society (TMS); Sep2013, Vol. 65 Issue 9, p1222-1228, 7p, 3 Color Photographs, 1 Black and White Photograph, 2 Diagrams, 2 Graphs

CdS/Cu(In,Ga)S2 based solar cells with efficiencies reaching 12.9% prepared by a rapid thermal process.

Authors: Merdes, S. Abou‐Ras, D. Mainz, R. et al.

Source: Progress in Photovoltaics. Jan2013, Vol. 21 Issue 1, p88-93. 6p.

Grain-size distributions and grain boundaries of chalcopyrite-type thin films.

Authors: Abou-Ras, D. Schorr, S. Schock, H. W.

Source: Journal of Applied Crystallography. Oct2007, Vol. 40 Issue 5, p841-848. 8p. 4 Diagrams, 3 Charts, 4 Graphs.

Advanced characterization and in-situ growth monitoring of Cu(In,Ga)Se2 thin films and solar cells.

Authors: Abou-Ras, D. Bär, M. Caballero, R. et al.

Source: Solar Energy. Aug2018, Vol. 170, p102-112. 11p.

Subjects: Solar cells, Crystal growth, Copper, Metallic thin films, Helmholtz-Zentrum Berlin für Materialien und Energie, Electron microscopy

TEM and HREM study of Al3Zr precipitates in an Al-Mg-Si-Zr alloy.

Authors: LITYÑSKA, L. ABOU-RAS, D. KOSTORZ, G. et al.

Source: Journal of Microscopy. Sep2006, Vol. 223 Issue 3, p182-184. 3p. 4 Diagrams.

Austenite-ferrite interface crystallography dependence of sigma phase precipitation using the five-parameter characterization approach.

Authors: Haghdadi, N. Abou-Ras, D. Cizek, P. et al.

Source: Materials Letters. Jun2017, Vol. 196, p264-268. 5p.

Subjects: Austenite, Ferrites, Crystallography, Precipitation (Chemistry), Interfaces (Physical sciences)

A magneto-optical study on magnetic flux expulsion and pinning in high-purity niobium.

Authors: Köszegi, J. Kugeler, O. Abou-Ras, D. et al.

Source: Journal of Applied Physics; 11/7/2017, Vol. 122 Issue 17, p173901-1-173901-9, 9p, 2 Color Photographs, 4 Black and White Photographs, 8 Graphs

Evidence for Cu2–xSe platelets at grain boundaries and within grains in Cu(In,Ga)Se2 thin films.

Authors: Sanli, E. Simsek Ramasse, Q. M. Mainz, R. et al.

Source: Applied Physics Letters; 7/17/2017, Vol. 111 Issue 3, p1-4, 4p, 3 Color Photographs

Elemental redistributions at structural defects in Cu(In,Ga)Se2 thin films for solar cells.

Authors: Simsek Sanli, E. Ramasse, Q. M. Sigle, W. et al.

Source: Journal of Applied Physics; 2016, Vol. 120 Issue 20, p1-7, 7p, 8 Diagrams

Enhancements in specimen preparation of Cu(In,Ga)(S,Se)2 thin films

Authors: Abou-Ras, D. Marsen, B. Rissom, T. et al.

Source: Micron. Feb2012, Vol. 43 Issue 2/3, p470-474. 5p.

Subjects: Metallic films, Chemical sample preparation, Thin films, Ion bombardment, Electron backscattering, Scanning electron microscopy, Microstructure

Nanometer-scale electronic and microstructural properties of grain boundaries in Cu(In,Ga)Se2

Authors: Sadewasser, S. Abou-Ras, D. Azulay, D. et al.

Source: Thin Solid Films. Aug2011, Vol. 519 Issue 21, p7341-7346. 6p.

Subjects: Electronic structure, Microstructure, Crystal grain boundaries, Electron backscattering, Atomic force microscopy, Temperature effect, Chalcopyrite crystals, Solar cells, Thin films, Selenides

Structural and chemical analyses of sputtered In x S y buffer layers in Cu(In,Ga)Se2 thin-film solar cells

Authors: Abou-Ras, D. Kostorz, G. Hariskos, D. et al.

Source: Thin Solid Films. Feb2009, Vol. 517 Issue 8, p2792-2798. 7p.

Subjects: Sulfides, Sputtering (Physics), Structural analysis (Science), Copper compounds, Thin films, Solar cells, Substrates (Materials science), Transmission electron microscopy

Influence of grain boundaries on current collection in Cu(In,Ga)Se2 thin-film solar cells

Authors: Nichterwitz, M. Abou-Ras, D. Sakurai, K. et al.

Source: Thin Solid Films. Feb2009, Vol. 517 Issue 7, p2554-2557. 4p.

Subjects: Crystal grain boundaries, Chalcopyrite, Solar cells, Electron backscattering, Electron beams, Scanning electron microscopes, Microstructure, Thin film devices

Grain-boundary types in chalcopyrite-type thin films and their correlations with film texture and electrical properties

Authors: Abou-Ras, D. Koch, C.T. Küstner, V. et al.

Source: Thin Solid Films. Feb2009, Vol. 517 Issue 7, p2545-2549. 5p.

Subjects: Electric properties of thin films, Chalcopyrite, Crystal grain boundaries, Crystal texture, Solar cells, Thin film devices, Cathodoluminescence, Transmission electron microscopy

In situ monitoring the growth of thin-film ZnS/Zn(S,O) bilayer on Cu-chalcopyrite for high performance thin film solar cells

Authors: Sáez-Araoz, R. Abou-Ras, D. Niesen, T.P. et al.

Source: Thin Solid Films. Feb2009, Vol. 517 Issue 7, p2300-2304. 5p.

Subjects: Solar cells, Chalcopyrite, Thin films, Chemical vapor deposition, Crystal growth, X-ray spectroscopy, Zinc sulfide

Impact of the Se evaporation rate on the microstructure and texture of Cu(In,Ga)Se2 thin films for solar cells

Authors: Abou-Ras, D. Contreras, M.A. Noufi, R. et al.

Source: Thin Solid Films. Feb2009, Vol. 517 Issue 7, p2218-2221. 4p.

Subjects: Selenium, Evaporation (Chemistry), Chalcopyrite, Thin films, Solar cells, Microstructure, Crystal texture

Formation and characterisation of MoSe2 for Cu(In,Ga)Se2 based solar cells

Authors: Abou-Ras, D. Kostorz, G. Bremaud, D. et al.

Source: Thin Solid Films. Jun2005, Vol. 480-481, p433-438. 6p.

Subjects: Solar cells, Selenium films, Backscattering, Layer structure (Solids)