Results 71 to 80 of about 21,436 (259)

Insights into the Structure of Dot@Rod and Dot@Octapod CdSe@CdS Heterostructures [PDF]

, 2015
CdSe@CdS dot@rods with diameter around 6 nm and length of either 20, 27, or 30 nm and dot@octapods with pod diameters of ?15 nm and lengths of ?50 nm were investigated by X-ray absorption spectroscopy.
Anna Corrias, Diego Gianolio, Erika Conca, Francesco De Donato, Gavin Mountjoy, Giannantonio Cibin, Klug H. P., Koninbsberger D. C., Kudera S., Liberato Manna, Maria Francesca Casula   +10 more
core   +2 more sources

Comparison of different X‐ray‐based scanning electron microscopy methods to detect sub‐nanometre ultra‐thin InAs layers deposited on top of GaAs

Journal of Microscopy, EarlyView.
Abstract We compare three different methods of X‐ray analysis in a scanning electron microscope (SEM): energy‐dispersive X‐ray spectroscopy (EDX), wavelength‐dispersive X‐ray spectroscopy (WDX) and micro X‐ray fluorescence (μXRF). These methods are all applied to the same gallium arsenide (GaAs) wafer with a 0.8 nm layer of indium arsenide (InAs) on ...
Thomas Walther, Stuart Creasey‐Gray, Stephan Boehm, Heath Young, Yang Yang   +4 more
wiley   +1 more source

Kinetics of Sphalerite Leaching by MnO₂-KI Oxidation System in Sulfuric Acid

Metals
Efficient extraction of zinc from polymetallic concentrates is crucial for the metallurgical industry. Traditional leaching techniques often rely on strong oxidizing agents, which can be wasteful and environmentally harmful.
Mladen Bugarčić, Aleksandar Jovanović, Dimitrije Anđić, Ivana Jelić, Milica Miletić, Branislav Marković, Miroslav Sokić   +6 more
doaj   +1 more source

Supernormal enrichment of cadmium in sphalerite via coupled dissolution-reprecipitation process

Communications Earth & Environment, 2023
Supernormal enrichment of cadmium in sphalerite is frequently observed in some sedimentary-hosted zinc-lead deposits, although related fluid process remains unconstrained.
Hongyu Duan, Changming Wang, Rong Hu, Jiaxuan Zhu, Jun Deng   +4 more
doaj   +1 more source

Determining bismuth content in GaAsBi alloys by energy‐dispersive X‐ray spectroscopy: A case study with multiple sets of k*‐factors for analytical transmission electron microscopy

Journal of Microscopy, EarlyView.
Abstract Measuring the bismuth (Bi) content of ternary gallium arsenide bismuthide (GaAsBi) alloys is important because it sensitively influences their bandgap, and Bi is known to segregate vertically to the surface and sometimes also laterally during growth, so elemental distribution maps need to be quantified.
T. Walther
wiley   +1 more source

Correction: Selective Adsorption Mechanism of Zinc Ions on the Surfaces of Galena and Sphalerite in the Flotation Separation of Pb-Zn [PDF]

, 2023
Feng Zhang, Wei Sun, Hongliang Zhang, Daixiong Chen, Songjiang Li, Jianhua Chen, Chenyang Zhang   +6 more
openalex   +1 more source

Base metal mineralisation associated with Ordovician shales in south-west Scotland [PDF]

, 1984
Several narrow, lenticular belts of black cherty mudstone and siltstone (the Moffat Shales), alternating with thick greywacke sequences, strike north-east to south-west across Galloway with uniformly steep dip.
Jones, R.C., Leake, R.C., Stone, P.
core  

Robust and Biocompatible Functionalization of ZnS Nanoparticles by Catechol-Bearing Poly(2-Methyl-2-Oxazoline)s. [PDF]

, 2018
Zinc sulfide (ZnS) nanoparticles (NPs) are particularly interesting materials for their electronic and luminescent properties. Unfortunately, their robust and stable functionalization and stabilization, especially in aqueous media, has represented a ...
Benetti, Em, Causin, V, De Fazio, Af, Gross, S., Ischia, G, Mognato, M, Morgese, G, Pedron, D, Piotto, C, Rosenboom, Jg   +9 more
core   +2 more sources

Investigating the Modality and Signalling Principles in Immersive Augmented Reality Learning Environments

Journal of Computer Assisted Learning, Volume 42, Issue 1, February 2026.
ABSTRACT Background The potential of Augmented Reality (AR) for enhancing learning has long been discussed, however, existing research primarily relies on media comparisons that provide little basis for robust theoretical development. The Cognitive Theory of Multimedia Learning (CTML) proposes design principles for learning materials to support ...
Rabea Bödding, Günter W. Maier
wiley   +1 more source

Influence of the Interaction between Sphalerite and Pyrite on the Copper Activation of Sphalerite [PDF]

Minerals, 2018
In this paper, the effect of pyrite on the activation of sphalerite was investigated by micro-flotation, copper adsorption experiments, X-ray photoelectron spectroscopy (XPS), and electrochemical measurement. The micro-flotation test results showed that the recovery and flotation rate of sphalerite with copper sulphate as activator and butyl xanthate ...
Bo Yang, Xiong Tong, Zhuoyue Lan, Yiqi Cui, Xian Xie   +4 more
openaire   +1 more source