Results 41 to 50 of about 5,028 (207)

Fahndung nach geraubtem Gold und Silber – 1839

HiN - Alexander von Humboldt im Netz. Internationale Zeitschrift für Humboldt-Studien, 2017
Zusammenfassung In einem nicht genau datierten Brief an seinen Freund, den Bankier Alexander Mendelssohn zeigte sich Humboldt bestürzt über einen dreisten Raub von Gold, Silber und Edelsteinen aus dem Mineralogischen Museum in Berlin.
Ingo Schwarz
doaj   +1 more source

Imaging the Thickness‐Dependent Formation of Schottky Barriers in Metal–Semiconductor van der Waals Heterostructures

Advanced Functional Materials, Volume 36, Issue 74, 14 September 2026.
Using nanobeam photoemission, we demonstrate imaging of the in‐plane and out‐of‐plane electric field landscape within a metal–semiconductor van der Waals heterostructure. We provide evidence for Schottky barrier formation that depends on the semiconductor thickness. ABSTRACT Achieving high‐performance optoelectronic devices based on two‐dimensional van
Dario Mastrippolito, Mariarosa Cavallo, Marco Paye, Clement Gureghian, Albin Colle, Jiho Roh, Dipak Maity, Clemence Villefroy, Erwan Dandeu, Herve Cruguel, Stephane Lorcy, Marie Hervé, James K. Utterback, Pavel Dudin, Johan Biscaras, José Avila, Emmanuel Lhuillier, Debora Pierucci   +17 more
wiley   +1 more source

Zum 70. Geburtstag (20. August 1931) gewidmet von seinen Schülern und Freunden sowie dem Verlag

, 1931
Der Festband zum siebzigsten Geburtstag des Mineralogen Reinhard Brauns (1861-1937) enthält 44 Beiträge zur Kristallographie, Mineralogie, Petrographie, Geochemie und Lagerstättenkunde von seinen Freunden und Schülern sowie dem Verlag ...
Schneiderhöhn, Hans
core   +1 more source

Tracking Deep Mantle Melting on Mars Using Phobos Tides

Journal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract We study the deep internal structure and rheological state of Mars by analyzing its response to tidal forces exerted by Phobos and by introducing a melt fraction in the mantle layers. Motivated by recent seismic evidence for a basal molten layer near the base of the Martian mantle, we explore the distribution of melt within the mantle and its ...
A. Guinard, A. Fienga, A. Mémin, D. Antonangeli   +3 more
wiley   +1 more source

Disentangling Partial Melting and Crustal Recycling Signatures in Ocean Island Basalts With Multivariate Statistics

Geochemistry, Geophysics, Geosystems
Ocean island basalts (OIB) provide valuable constraints on mass exchange between the mantle and crust. When appropriate compositional data transformations are applied, multivariate analyses of OIB compositions can be used to infer mantle source ...
Zachary T. Eriksen, Andreas Stracke
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Nature, origin, and phosphorylation potential of the phosphorus/sulfur‐bearing nanoscale multiphasic assemblages in the CM chondrites Murchison and Murray

Meteoritics &Planetary Science, Volume 61, Issue 9, Page 2303-2335, September 2026.
Abstract Carbonaceous chondrites contain phosphorus, whose speciation and thus history remain to be investigated. Phosphorus/sulfur‐bearing assemblages have been reported in carbonaceous CM chondrites, but there is no consensus about their exact compositions and origins.
Valentine Megevand, Sylvain Bernard, Corentin Le Guillou, Roberto Conconi, François Guyot   +4 more
wiley   +1 more source

Novel Thiosemicarbazone Derivatives from Furan-2-Carbaldehyde: Synthesis, Characterization, Crystal Structures, and Antibacterial, Antifungal, Antioxidant, and Antitumor Activities

Journal of Chemistry, 2023
Ten new thiosemicarbazone derivatives, furan-2-carbaldehyde thiosemicarbazone (1), 3-methyl-furan-2-carbaldehyde thiosemicarbazone (2), 5-hydroxymethyl-furan-2-carbaldehyde thiosemicarbazone (3), 5-trifluoromethyl-furan-2-carbaldehyde thiosemicarbazone ...
Wilfredo Hernández, Fernando Carrasco, Abraham Vaisberg, Evgenia Spodine, Maik Icker, Harald Krautscheid, Lothar Beyer, Carmen Tamariz-Angeles, Percy Olivera-Gonzales   +8 more
doaj   +1 more source

Corundum Discovered by SuperCam and the Perseverance Rover at Jezero Crater, Mars

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Mars is primarily composed of mafic mineral assemblages and their alteration products, but small, scattered rocks strewn across the landscape offer clues to greater petrological diversity. While traversing the Jezero crater rim, the Perseverance rover encountered several plagioclase‐rich light‐toned float rocks.
A. M. Ollila, O. Beyssac, A. Fau, O. Forni, E. Clavé, P. Beck, C. C. Bedford, V. Payre, E. Dehouck, S. A. Connell, J. A. Manrique, P. Pilleri, O. Gasnault, G. M. Martinez, A. Udry, S. Bernard, P. Gasda, T. Acosta‐Maeda, R. B. Anderson, T. S. J. Gabriel, F. Calef, J. F. Bell III, J. Maki, S. Schröder, C. Quantin‐Nataf, J. R. Johnson, B. Chide, K. Rammelkamp, F. Poulet, C. Royer, M. Rock, N. L. Lanza, S. K. Sharma, G. Lopez‐Reyes, T. Fouchet, J. Comellas, A. Zastrow, E. Cloutis, R. C. Wiens, A. Cousin, S. Maurice, S. Clegg, P. Bernardi, T. Nelson   +43 more
wiley   +1 more source

Structure, tectonics and metamorphic development of the Sancti Spiritus Dome (eastern Escambray massif, Central Cuba)

Geologica Acta, 2006
The Sancti Spiritus Dome of the eastern Escambray (Cuba) represents a metamorphic fold and thrust structure which was part of the Cretaceous subduction-accretion complex of the Greater Antillean Arc.
K. P. STANEK, W. MARESCH, F. GRAFÉ, C. H. GRAVEL, A. BAUMANN   +4 more
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Megathrust Stress Drop as Trigger of Aftershock Seismicity: Insights From the 2011 Tohoku Earthquake, Japan

Geophysical Research Letters, 2023
Numerous normal‐faulting aftershocks in subduction forearcs commonly follow large megathrust earthquakes. Postseismic normal faulting has been explained by stress changes induced by the stress drop along the megathrust. However, details of forearc stress
A. Dielforder, G. M. Bocchini, K. Kemna, A. Hampel, R. M. Harrington, O. Oncken   +5 more
doaj   +1 more source