Results 71 to 80 of about 6,042 (221)

Nanoscale spectroscopy with polarized X-rays by NEXAFS-TXM

, 2011
International audienceNear-edge X-ray absorption spectroscopy (NEXAFS)1 is an essential analytical tool in material science. Combining NEXAFS with scanning transmission X-ray microscopy (STXM) adds spatial resolution and the possibility to study ...
Bittencourt, Carla, Gerd Schneider, Stefan Rehbein, Rehbein, S., Rehbein, Stefan, Schneider, G., Umek, Polona, Ke, X., Ewels, C.P., Guttmann, Peter, Peter Guttmann, Polona Umek, Carla Bittencourt, van Tendeloo, Gustaaf, Umek, P., Gustaaf Van Tendeloo, Ewels, Chris P., Xiaoxing Ke, Ke, Xiaoxing, Van Tendeloo, G., Chris P. Ewels, Bittencourt, C., Ewels, Christopher, Guttmann, P., Schneider, Gerd   +24 more
core   +1 more source

Resolving Oxidative and Corrosive Calendar‐Aging via Electrolyte Engineering for Stable Lithium Metal Batteries

Advanced Energy Materials, EarlyView.
A weakly solvating ether solvent, 1,2‐dimethoxypropane (DMP), is proposed for use in localized high‐concentration electrolytes (LHCEs) for lithium metal batteries (LMBs). These DMP‐based LHCEs simultaneously suppress lithium metal corrosion and cathode degradation—two interrelated processes that accelerate calendar aging of LMBs.
Jisub Kim, Ihnkyung Jung, Kyunam Lee, Insu Hwang, Minkwan Kim, Eunseok Park, Dongmin Park, Hayoung Park, Yonggoon Jeon, Gaeun Park, Hyo Chul Ahn, Jihoon Oh, Jungwon Park, Ali Coskun, Jang Wook Choi   +14 more
wiley   +1 more source

Angle Resolved NEXAFS Spectra of Hexagonal and Cubic GaN

, 1997
Phase stabilised cubic and hexagonal GaN thin films, grown by MBE, are studied using angle (φ) resolved NEXAFS measurements at the N-K-edge. It is demonstrated that the energy positions and intensities of the characteristic NEXAFS resonances depend on ...
Katsikini, M., M. Katsikini, Paloura, E., E.C. Paloura, Cheng, T., C.T. Foxon, Foxon, C., T.S. Cheng   +7 more
core   +1 more source

Tailoring High‐Valent Iron‐Oxo Species Redox via Extended π‐Fe3d–O2p Orbital Overlapping Toward Chemical‐Efficient Water Purification

Angewandte Chemie, Volume 138, Issue 38, 14 September 2026.
We address the long‐standing challenge of reactivity–selectivity trade‐off by precisely tuning the redox properties of Fe(IV), rather than simply accelerating its formation, to enable chemically efficient and low‐emission water treatment. ABSTRACT High‐valent iron oxo species (Fe(IV)) are attractive for wastewater treatment because of their high ...
Hongyu Zhou, Junwen Chen, Jiuyi Wang, Xinhao Wang, Qiming Zhang, Shiying Ren, Xuning Li, Li Gao, Shaobin Wang, Xiaoguang Duan   +9 more
wiley   +2 more sources

Fullerite C60 optical constants in the C 1s NEXAFS region

, 2021
Using data on the absorption cross sections the refraction coefficient spectral dependence n E and the spectra of the remaining optical coefficients reflection coefficient, phase shift, and atomic form factor in the fullerite C60 C 1s near edge X ray ...
Nekipelov, S.V., Sivkov, V.N., Skandakov, R.N., Bogachuk, D.V., Sivkov, D.V., Petrova, O.V.   +5 more
core   +1 more source

Polysaccharides, Proteins, and Phytoplankton Fragments: Four Chemically Distinct Types of Marine Primary Organic Aerosol Classified by Single Particle Spectromicroscopy

Advances in Meteorology, 2010
Carbon-containing aerosol particles collected in the Arctic and southeastern Pacific marine boundary layers show distinct chemical signatures of proteins, calcareous phytoplankton, and two types of polysaccharides in Near-Edge Absorption X-ray Fine ...
Lelia N. Hawkins, Lynn M. Russell
doaj   +1 more source

Strukturelle und chemische Dynamik von Cu/NiO/Cu(100)‐Oberflächen während der CO2‐Hydrierung

Angewandte Chemie, EarlyView.
Dynamische Segregation als Designprinzip für Cu–Ni‐Katalysatoren. Operando‐LEEM/XPEEM verfolgt Reduktions‐, Umstrukturierungs‐ und Oberflächensegregationsprozesse in Cu‐verkapselten NiO‐Inseln auf Cu(100) während der CO2‐Hydrierung. ZUSAMMENFASSUNG Das Verständnis der dynamischen Umstrukturierung bimetallischer Katalysatoren unter Reaktionsbedingungen ...
Mauricio J. Prieto, Hao Wan, Liviu C. Tănase, Lucas de Souza Caldas, Aarti Tiwari, Karsten Reuter, Hendrik H. Heenen, Vanessa J. Bukas, Thomas Schmidt, Beatriz Roldan Cuenya   +9 more
wiley   +1 more source

NEXAFS investigation of the condensed silane structure(SiH4凝聚态结构的近边X射线吸收精细结构研究)

Zhejiang Daxue xuebao. Lixue ban, 2001
用多重散射团簇方法对低温下凝聚态SiH4进行了Si的1 s NEXAFS理论研究，对不同的模型研究表明，此时凝聚相SiH4形成链状结构.
HEJiang-ping(何江平), TANGJing-chang(唐景昌)   +1 more
doaj   +1 more source

An electrochemical flow cell for operando XPS and NEXAFS investigation of solid–liquid interfaces

JPhys Energy
Suitable reaction cells are critical for operando near ambient pressure (NAP) soft x-ray photoelectron spectroscopy (XPS) and near-edge x-ray absorption fine structure (NEXAFS) studies. They enable tracking the chemical state and structural properties of
Santosh Kumar, James J C Counter, David C Grinter, Matthijs A Van Spronsen, Pilar Ferrer, Alex Large, Marcin W Orzech, Pawel Jerzy Wojcik, Georg Held   +8 more
doaj   +1 more source

Structure formation in organic thin films observed in real time by energy dispersive near-edge x-ray absorption fine-structure spectroscopy

New Journal of Physics, 2013
We study the structure formation of 1,4,5,8-naphthalene-tetracarboxylicacid-dianhydride (NTCDA) multilayer films on Ag(111) surfaces by energy dispersive near-edge x-ray absorption fine-structure spectroscopy (NEXAFS) and photoelectron spectroscopy.
M Scholz, C Sauer, M Wiessner, N Nguyen, A Schöll, F Reinert   +5 more
doaj   +1 more source