Results 61 to 70 of about 263,220 (333)

Magic Numbers for the Photoelectron Anisotropy in Li-Doped Dimethyl Ether Clusters

open access: yes, 2019
Photoelectron velocity map imaging of Li(CH$_3$OCH$_3$)$_n$ clusters (1 $\leq$ n $\leq$ 175) is used to search for magic numbers related to the photoelectron anisotropy. Comparison with density functional calculations reveals magic numbers at n=4, 5, and
Acree W. E.   +5 more
core   +2 more sources

MnI‐Functionalized Covalent Organic Framework as Efficient Electrocatalyst for CO2 Reduction in a Catholyte‐Free Zero‐Gap Electrolyzer

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates the successful integration of a phenanthroline‐based 2D COF with MnI catalytic sites into a catholyte‐free membrane‐electrode‐assembly cell for CO2 electroreduction. The crystalline COF actively suppresses Mn⁰–Mn⁰ dimerization, achieving a turnover frequency of 617 h⁻¹ at 2.8 V (full‐cell potential), and enabling stable operation.
Laura Spies   +8 more
wiley   +1 more source

Coherent Two-Dimensional Multiphoton Photoelectron Spectroscopy of Metal Surfaces

open access: yesPhysical Review X, 2019
Light interacting with high-electron-density materials elicits an ultrafast coherent many-body screening response on sub- to few-femtosecond timescales, which makes its experimental observation challenging. Here, we describe the coherent two-dimensional (
Marcel Reutzel, Andi Li, Hrvoje Petek
doaj   +1 more source

Plasma treatment to improve the adhesion between ABS and PA6 in hybrid structures produced by injection overmolding

open access: yesPolymer Testing, 2022
In this article, we investigate the possibility of combining ABS and PA6 in one structure by means of injection overmolding. The combination of these polymers in one structure is very promising, as PA6 offers good mechanical performance and high melting ...
Róbert Boros   +4 more
doaj   +1 more source

Insight on Hole-Hole Interaction and Magnetic Order from Dichroic Auger-Photoelectron Coincidence Spectra

open access: yes, 2011
The absence of sharp structures in the core-valence-valence Auger line shapes of partially filled bands has severely limited the use of electron spectroscopy in magnetic crystals and other correlated materials.
Cini, Michele   +5 more
core   +1 more source

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

open access: yesAdvanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian   +7 more
wiley   +1 more source

Soft x-ray photoelectron spectroscopy study of type-I clathrates

open access: yesScience and Technology of Advanced Materials, 2008
Extensive soft x-ray photoelectron spectroscopy studies are performed on Ba8 Ga16 Ge30 (BGG) and Sr8Ga16Ge30 (SGG) single crystals ranging from Fermi to core levels, at a high-energy facility.
Jun Tang, Zhaofei Li, Jing Ju, Ryotaro Kumashiro, Marcos A. Avila, Kouichirou Suekuni, Toshiro Takabatake, FangZhun Guo, Keisuke Kobayashi, Koji Akai and Katsumi Tanigaki
doaj   +1 more source

X-ray Photoelectron Spectroscopy Study of Electronic Structure of Graphene Nanosheets

open access: yesФізика і хімія твердого тіла, 2016
Investigations of graphene nanosheets and oxidized graphene nanosheets were carried out using X-rayphotoelectron spectroscopy. Scanning and transmission electron microscopy investigations were used in additionto X-ray photoelectron spectroscopy.
B. I. Ilkiv   +8 more
doaj   +1 more source

Electroactive Metal–Organic Frameworks for Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
Electrocatalysis is crucial in sustainable energy conversion as it enables efficient chemical transformations. The review discusses how metal–organic frameworks can revolutionize this field by offering tailorable structures and active site tunability, enabling efficient and selective electrocatalytic processes.
Irena Senkovska   +7 more
wiley   +1 more source

High-Resolution Vacuum Ultraviolet Photoelectron Spectroscopy

open access: yesCHIMIA, 2001
The development of narrow bandwidth tunable laser systems in the vacuum ultraviolet region of the electromagnetic spectrum and of new experimental methods has recently enabled a significant improvement in the resolution that can be achieved by ...
Urs Hollenstein   +9 more
doaj  

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