Results 111 to 120 of about 35,090 (303)

Application and evaluation of sediment fingerprinting techniques in the Manawatu River catchment, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Geography at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2016
Suspended sediment is an important component of the fluvial environment, contributing not only to the physical form, but also the chemical and ecological character of river channels and adjacent floodplains.
Vale, Simon
core  

Strain‐Driven Surface Reconstruction During the Alkaline Oxygen Evolution Reaction: a Model Thin‐Film Study

open access: yesAdvanced Materials, EarlyView.
ABSTRACT Dynamic surface reconstruction critically governs the performance and durability of oxide‐based electrocatalysts for the oxygen evolution reaction (OER), yet controlling this process under operating conditions remains challenging. Here, we demonstrate that lattice strain regulates the extent of surface reconstruction in perovskite oxides by ...
Yong Beom Kim   +5 more
wiley   +1 more source

Editorial: “Metal Isotope Analytical Chemistry for Geological and Environmental Sample”

open access: yesFrontiers in Chemistry, 2021
Chaofeng Li   +3 more
doaj   +1 more source

In-situ Determination of Rare Earth Elements in Scheelite by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry

open access: yesYankuang ceshi, 2013
Rare earth elements (REEs) composition and chondrite-normalized REEs patterns of scheelites can be used as an important basis to determine the genesis of deposits.
FU Yu, SUN Xiao-ming, XIONG De-xin
doaj  

Entropy‐Driven Spin Transition in Rare Earth Perovskites Enables Feedback Adsorption for Enhanced Acidic Water Oxidation

open access: yesAdvanced Materials, EarlyView.
A synthetic protocol for fabricating high‐entropy rare earth perovskite oxides with abundant lattice distortions and oxygen vacancies has been developed, representing an emerging platform for anchoring RuO2. High entropy strategy significantly modulated the electronic structures and spin states, inducing a shift in the mechanism from the adsorption ...
Yong Jiang   +6 more
wiley   +1 more source

Nano-particulate pressed powder tablets for LA-ICP-MS

open access: yesJ. Anal. At. Spectrom., 2014
A new method produces undiluted pressed powder tablets for LA-ICP-MS opening prospects for manufacturing mineral standards for isotopic and geochemical analysis.
Dieter Garbe-Schönberg, Samuel Müller
openaire   +2 more sources

Wafer‐Scale 2D High‐Entropy Transition Metal Dichalcogenide Thin‐Film Catalysts for Efficient and Durable Photoelectrochemical Hydrogen Production

open access: yesAdvanced Materials, EarlyView.
A wafer‐scale 2D high‐entropy (MoWTaNbRu)S2 thin‐film catalyst with a distorted 1T phase integrated onto p‐Si photocathode is designed for highly efficient and durable photoelectrochemical hydrogen evolution reaction. The high‐entropy effect in layered transition metal dichalcogenides optimizes hydrogen adsorption energetics, accelerates photogenerated
Sang Eon Jun   +14 more
wiley   +1 more source

Multifunctional Alginate‐Based Films Reinforced With Ag‐ZnO/AgO/TiO2 Nanocomposites for Advanced Packaging and Biomedical Applications

open access: yesAdvanced Materials Interfaces, EarlyView.
Biodegradable polymeric films incorporated with a synergistic blend of metallic nanocomposites are developed and characterized. The films exhibit enhanced antibacterial activity against foodborne pathogens, demonstrating their potential as active materials for food packaging.
Adriana Dos Santos Silva   +5 more
wiley   +1 more source

Plasma‐Sequence‐Engineered Atomic Layer Deposition of Ultra‐Thin SiNx for Enhanced Etching Resistance in Extreme Ultraviolet Pellicles

open access: yesAdvanced Materials Interfaces, EarlyView.
Plasma‐sequence‐engineered ALD (PSE‐ALD), based on sequential NH3 and N2 plasma pulses, enables ultrathin, dense SiNx films. ToF‐MS analysis confirms ligand removal via HCl evolution, while increased film density indicates network densification. The resulting SiNx coating provides robust protection of graphite under H2 plasma exposure.
Hye‐Young Kim   +7 more
wiley   +1 more source

Bioresorbable Mo–W Electrodes: Toward an Extended Operational Lifetime Through Controlled Alloying and Oxide Coating Engineering

open access: yesAdvanced Materials Interfaces, EarlyView.
Bioresorbable electrochemical sensors face instability in biofluids. Although alloys can mitigate rapid in vivo dissolution, Mo–W remains underexplored for sensing. This work engineers Mo–W films with a nanocrystalline oxide coating, improving stability and enabling reliable oxygen and pH sensing for up to 10 days, highlighting their potential for ...
C. Fernandes   +4 more
wiley   +1 more source

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