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Auflistung nach Schlagwort "X ray diffraction analysis"

Anzeige der Dokumente 1-6 von 6

Graphitization process of SiC(0001) studied by electron energy loss spectroscopy

Langer, T.; Pfnür, Herbert; Schumacher, H.W.; Tegenkamp, Christoph (College Park, MD : American Institute of Physics, 2009)

Electron energy loss spectroscopy (EELS) is used to study the transition from the buffer layer to the first graphene layers during graphitization of SiC(0001). Graphene growth is controlled and correlated with spot profile ...
Kerfless exfoliated thin crystalline Si wafers with Al metallization layers for solar cells

Niepelt, Raphael; Hensen, Jan; Steckenreiter, Verena; Brendel, Rolf; Kajari-Schröder, Sarah (Cambridge : Cambridge University Press, 2015)

We report on a kerfless exfoliation approach to further reduce the costs of crystalline silicon photovoltaics making use of evaporated Al as a double functional layer. The Al serves as the stress inducing element to drive ...
Microstructure and mechanical, physical and structural properties of sustainable lightweight metakaolin-based geopolymer cements and mortars employing rice husk

Riyap, H.I.; Bewa, C.N.; Banenzoué, C.; Tchakouté, H.K.; Rüscher, C.H.; Kamseu, E.; Bignozzi, M.C.; Leonelli, C. (Abingdon : Taylor and Francis Ltd., 2019)

This work focuses on an in-depth investigation of the formation of pores in the structure of lightweight geopolymer cements and mortars using rice husk as a foaming agent. The hardener used in this study was sodium waterglass. ...
Nanocrystalline versus microcrystalline Lo2O:B2O 3 composites: Anomalous ionic conductivities and percolation theory

Indris, Sylvio; Heitjans, Paul; Roman, H. Eduardo; Bunde, Armin (College Park, ML : American Physical Society, 2000)

We study ionic transport in nano- and microcrystalline (1−x)Li2O:xB2O3 composites using standard impedance spectroscopy. In the nanocrystalline samples (average grain size of about 20 nm), the ionic conductivity σdc increases ...
Spatially-targeted laser fabrication of multi-metal microstructures inside a hydrogel

Machida, Manan; Niidome, Takuro; Onoe, Hiroaki; Heisterkamp, Alexander; Terakawa, Mitsohiro (Washington, DC : OSA - The Optical Society, 2019)

The spatially-targeted fabrication of bimetallic microstructures coexisting in the supporting hydrogel is demonstrated by multi-photon photoreduction. Microstructures composed of gold and silver were fabricated along a ...
Water resistance and thermal behavior of metakaolin-phosphate-based geopolymer cements

Nobouassia Bewa, Christelle; Tchakouté, Hervé K.; Fotio, Daniel; Rüscher, Claus H.; Kamseu, Elie; Leonelli, Cristina (Abingdon : Taylor and Francis Ltd., 2018)

The main target of this work was to investigate the thermal behavior and water resistance of geopolymer cement made from metakaolin as an aluminosilicate source using phosphoric acid solution (10 M) as a hardener. The ...

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Auflistung nach Schlagwort "X ray diffraction analysis"

Auflistung nach Schlagwort "X ray diffraction analysis"

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