Results 51 to 60 of about 478,532 (305)

Structural Changes and Transport Properties of YBa2Cu3O7 Locally Modified by a He+ Focused Ion Beam

open access: yesAdvanced Science, EarlyView.
The structure and the electric transport properties of YBa2Cu3O7 modified with 30 keV He+${\rm He}^{+}$ ions depend on the irradiation dose and lateral size of the irradiated area, as shown by low‐temperature resistivity measurements, diffraction with a nanofocused X‐ray beam and atomic force microscopy.
Ross Carter   +11 more
wiley   +1 more source

Regional Remote Sensing Analysis of Fault Tectonics of the Kola Peninsula and Its Role in Ore Formation

open access: yesRussian Journal of Earth Sciences
The results of a comprehensive analysis of fault tectonics of the Kola Peninsula, carried out on a regional scale, are considered. Based on a digital relief model, generalized for various scale levels, lineaments were identified manually and ...
Minaev Vasilii   +4 more
doaj   +1 more source

Radioecological and geochemical peculiarities of cryoconite on Novaya Zemlya glaciers

open access: yesScientific Reports, 2021
In recent years, cryoconite has received growing attention from a radioecological point of view, since several studies have shown that this material is extremely efficient in accumulating natural and anthropogenic radionuclides.
Alexey Miroshnikov   +6 more
doaj   +1 more source

Using PGE geochemistry to assess magma fertility in the Polo Sur and Penacho Blanco porphyry copper deposits, Centinela District, Northern Chile [PDF]

open access: yes, 2020
The Centinela District is host to several mineralized porphyries, including both Cu-only and Cu-Au deposits. This study focusses on the known Polo Sur and Penacho Blanco porphyry Cu +/- Mo deposits as cases of study to assess their Cu-Au fertility ...
Carrasco Godoy, Carlos
core  

Chelation‐Driven Dual‐Interface Regulation for Long‐Life Aqueous Zn–I2 Batteries

open access: yesAdvanced Science, EarlyView.
Zn2+–TPEN coordination generates TPEN‐derived coordination species (TCC) that contribute to the regulation of both electrode interfaces. At the Zn anode, it creates an interfacial environment with reduced water accessibility that suppresses HER and corrosion while promoting uniform deposition; at the I2 cathode, it captures polyiodide to inhibit ...
Dong Wook Kim   +10 more
wiley   +1 more source

15th Quadrennial International Association on the Genesis of Ore Deposits Symposium - Symposium Proceedings

open access: yes, 2018
Fil: Servicio Geológico Minero Argentino; Argentina.Fil: International Asociation on the Genesis of Ore Deposits (IAGOD)Fil: Asociación Geológica Argentina; Argentina.El simpósio "15th Quadrennial International Association on the Genesis of Ore Deposits ...
Argentina. Servicio Geológico Minero Argentino   +2 more
core   +1 more source

Autonomous Solar Metallurgy for High‐Purity Gold Recovery from Electronic Waste

open access: yesAdvanced Science, EarlyView.
Inspired by microbial strategies for metal uptake and biomineralization, defect‐rich copper sulfide (Cu31S16) functions as a solar metallurgical platform that unifies Au(III) capture, reduction, and self‐separation. The bioinspired design enables ultrafast gold recovery from electronic‐waste leachates and the spontaneous formation of millimeter‐scale ...
Chaopeng Liu   +7 more
wiley   +1 more source

Combinatorial Survey of Structural Phase Distribution and Magnetism in Fe‐Ge‐Te Composition‐Spread Thin Film Libraries

open access: yesAdvanced Electronic Materials, EarlyView.
ABSTRACT Magnetic 2‐dimensional (2D) van der Waals (vdW) materials have garnered tremendous attention. The vdW ferromagnet Fe5Ge1Te2 has a Curie temperature Tc of ≈ 270 K, which is tailorable by tuning the stoichiometry and the Fe deficiency to reach room temperature.
Chih‐Yu Lee   +7 more
wiley   +1 more source

PALEOZOIC INTRAPLATE MAGMATISM OF THE EAST EUROPEAN PLATFORM: COMPARATIVE ANALYSIS OF THE PRIPYAT-DNIEPER-DONETS RIFT ZONE AND THE KOLA-ARKHANGELSK PROVINCE

open access: yesГеодинамика и тектонофизика
This paper presents a comparative analysis of geochronological, geochemical, Sr-Nd isotopic data and geodynamic conditions for the Devonian magmatism of the East European Platform, using as an example the Pripyat-Dnieper-Donets rift zone in the south of ...
E. V. Yutkina   +5 more
doaj   +1 more source

Kizilcaoren ore-bearing complex with carbonatites (northwestern Anatolia, Turkey): Formation time and mineralogy of rocks [PDF]

open access: yes, 2014
The results of isotope-geochronological and mineralogical studies of the rocks making up the Kizilcaoren fluorite-barite-REE deposit, northwestern Anatolia, Turkey are discussed in the paper.
Nikiforov, A. V.   +3 more
core   +1 more source

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