Search Results - "Langenhorst, Falko"

Iron whiskers on asteroid Itokawa indicate sulfide destruction by space weathering by Matsumoto, Toru, Harries, Dennis, Langenhorst, Falko, Miyake, Akira, Noguchi, Takaaki

“…Extraterrestrial iron sulfide is a major mineral reservoir of the cosmochemically and astrobiologically important elements iron and sulfur. Sulfur depletion on…”
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Evidence for a rosiaite-structured high-pressure silica phase and its relation to lamellar amorphization in quartz by Otzen, Christoph, Liermann, Hanns-Peter, Langenhorst, Falko

“…When affected by impact, quartz (SiO 2 ) undergoes an abrupt transformation to glass lamellae, the planar deformation features (PDFs). This shock effect is the…”
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Graphite as Cointercalation Electrode for Sodium‐Ion Batteries: Electrode Dynamics and the Missing Solid Electrolyte Interphase (SEI) by Goktas, Mustafa, Bolli, Christoph, Berg, Erik J., Novák, Petr, Pollok, Kilian, Langenhorst, Falko, Roeder, Maximilian v., Lenchuk, Olena, Mollenhauer, Doreen, Adelhelm, Philipp

“…The intercalation of solvated sodium ions into graphite from ether electrolytes was recently discovered to be a surprisingly reversible process. The mechanisms…”
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Exfoliated MoS2 as Electrode for All-Solid-State Rechargeable Lithium-Ion Batteries by Santhosha, A. L, Nayak, Prasant Kumar, Pollok, Kilian, Langenhorst, Falko, Adelhelm, Philipp

“…The electrode behavior of exfoliated MoS2 is studied in an all-solid-state lithium-ion battery. MoS2 nanosheets with a crystallite thickness of about 6 nm are…”
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Space weathering of iron sulfides in the lunar surface environment by Matsumoto, Toru, Noguchi, Takaaki, Tobimatsu, Yu, Harries, Dennis, Langenhorst, Falko, Miyake, Akira, Hidaka, Hiroshi

“…•Space weathering alters lunar iron sulfides and produces iron metal whiskers.•Solar wind and thermal phenomena may cause the alteration of lunar iron…”
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High pressure metal–silicate partitioning of Ni, Co, V, Cr, Si, and O by Fischer, Rebecca A., Nakajima, Yoichi, Campbell, Andrew J., Frost, Daniel J., Harries, Dennis, Langenhorst, Falko, Miyajima, Nobuyoshi, Pollok, Kilian, Rubie, David C.

“…The distributions of major and minor elements in Earth’s core and mantle were primarily established by high pressure, high temperature metal–silicate…”
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The nanoscale mineralogy of Fe,Ni sulfides in pristine and metamorphosed CM and CM/CI-like chondrites: Tapping a petrogenetic record by Harries, Dennis, Langenhorst, Falko

“…We have sampled sulfide grains from one pristine CM2 chondrite (Yamato [Y‐] 791198), one thermally metamorphosed CM2 chondrite (Y‐793321), and two anomalous,…”
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Biomineralization of Nickel Struvite Linked to Metal Resistance in Streptomyces mirabilis by Costa, Flávio Silva, Langenhorst, Falko, Kothe, Erika

“…Biomineral formation is a common trait and prominent for soil Actinobacteria, including the genus . We investigated the formation of nickel-containing…”
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Water Solubility in Aluminous Orthopyroxene and the Origin of Earth's Asthenosphere by Mierdel, Katrin, Keppler, Hans, Smyth, Joseph R., Langenhorst, Falko

“…Plate tectonics is based on the concept of rigid lithosphere plates sliding on a mechanically weak asthenosphere. Many models assume that the weakness of the…”
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The mineralogy and space weathering of a regolith grain from 25143 Itokawa and the possibility of annealed solar wind damage by Harries, Dennis, Langenhorst, Falko

“…We report the results of detailed mineralogical investigations by analytical scanning and transmission electron microscopy of particle RA-QD02-0115 recovered…”
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Microscopic evidence of stishovite generated in low‐pressure shock experiments on porous sandstone: Constraints on its genesis by Mansfeld, Ulrich, Langenhorst, Falko, Ebert, Matthias, Kowitz, Astrid, Schmitt, Ralf Thomas

“…It has been almost exactly half a century since the first synthesis of stishovite in shock experiments on quartz was reported, but its formation conditions…”
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The effect of Fe spin crossovers on its partitioning behavior and oxidation state in a pyrolitic Earth's lower mantle system by Prescher, Clemens, Langenhorst, Falko, Dubrovinsky, Leonid S., Prakapenka, Vitali B., Miyajima, Nobuyoshi

“…Geophysical interpretations of the Earth's interior and its dynamics are significantly influenced by phase transitions of the constituting minerals and their…”
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Secondary submicrometer impact cratering on the surface of asteroid 25143 Itokawa by Harries, Dennis, Yakame, Shogo, Karouji, Yuzuru, Uesugi, Masayuki, Langenhorst, Falko

“…Particle RA-QD02-0265 returned by the Hayabusa spacecraft from near-Earth asteroid 25143 Itokawa displayed a unique abundance of submicrometer-sized (≤500 nm)…”
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Ultrasound‐Induced Luminescence from Cr3+‐Doped ZnGa2O4 Glass–Ceramic Composites by Cao, Jiangkun, Ding, Yicong, Sun, Minghui, Sajzew, Roman, Langenhorst, Falko, Wondraczek, Lothar

“…An intense ultrasound‐induced luminescence (USL) from Cr3+‐activated glass–ceramic composites, obtained by direct precipitation of nanoscale ZnGa2O4 from…”
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Hexagonal ferrites of X-, W-, and M-type in the system Sr–Fe–O: A comparative study by Töpfer, Jörg, Seifert, Daniela, Le Breton, Jean-Marie, Langenhorst, Falko, Chlan, Vojtech, Kouřil, Karel, Štěpánková, Helena

“…Three hexagonal ferrites from the Fe-rich part of the pseudo-binary system SrO–Fe2O3 were investigated. Besides the well-known M-type SrFe12O19 two other…”
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Experimental evidence for the existence of iron-rich metal in the Earth's lower mantle by Frost, Daniel J, Liebske, Christian, Langenhorst, Falko, McCammon, Catherine A, Trønnes, Reidar G, Rubie, David C

“…The oxidation state recorded by rocks from the Earth's upper mantle can be calculated from measurements of the distribution of Fe3+ and Fe2+ between the…”
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Biomineralization by Extremely Halophilic and Metal-Tolerant Community Members from a Sulfate-Dominated Metal-Rich Environment by Harpke, Marie, Pietschmann, Sebastian, Costa, Flávio Silva, Gansert, Clara, Langenhorst, Falko, Kothe, Erika

“…The adaptation to adverse environmental conditions can lead to adapted microbial communities that may be screened for mechanisms involved in halophily and, in…”
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Experimental impact cratering: A summary of the major results of the MEMIN research unit by Kenkmann, Thomas, Deutsch, Alex, Thoma, Klaus, Ebert, Matthias, Poelchau, Michael H., Buhl, Elmar, Carl, Eva‐Regine, Danilewsky, Andreas N., Dresen, Georg, Dufresne, Anja, Durr, Nathanaël, Ehm, Lars, Grosse, Christian, Gulde, Max, Güldemeister, Nicole, Hamann, Christopher, Hecht, Lutz, Hiermaier, Stefan, Hoerth, Tobias, Kowitz, Astrid, Langenhorst, Falko, Lexow, Bernd, Liermann, Hanns‐Peter, Luther, Robert, Mansfeld, Ulrich, Moser, Dorothee, Raith, Manuel, Reimold, Wolf Uwe, Sauer, Martin, Schäfer, Frank, Schmitt, Ralf Thomas, Sommer, Frank, Wilk, Jakob, Winkler, Rebecca, Wünnemann, Kai

“…This paper reviews major findings of the Multidisciplinary Experimental and Modeling Impact Crater Research Network (MEMIN). MEMIN is a consortium, funded from…”
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Stability and crystal chemistry of iron-bearing dense hydrous magnesium silicates by Ganskow, Geertje, Langenhorst, Falko

“…Dense hydrous magnesium silicates (DHMS) are supposed to be key phases in planetary water cycles because of their ability to carry water to deep mantle regions…”
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Microstructural investigations on strongly stained olivines of the chassignite NWA 2737 and implications for its shock history by Bläß, Ulrich W., Langenhorst, Falko, McCammon, Catherine

“…Olivines from the meteorite Northwest Africa 2737 (NWA 2737) show unique characteristics such as strong brownish staining, the occurrence of perpendicular sets…”
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