Results 111 to 120 of about 339,440 (296)

Multiparametric physicochemical analysis of a type 1 collagen 3D cell culture model using light and electron microscopy and mass spectrometry imaging

open access: yesScientific Reports
Three-dimensional cell culture systems underpin cell-based technologies ranging from tissue scaffolds for regenerative medicine to tumor models and organoids for drug screening.
Camilla Dondi   +9 more
doaj   +1 more source

Reevaluating the Activity of ZIF‐8 Based FeNCs for Electrochemical Ammonia Production

open access: yesAdvanced Functional Materials, EarlyView.
Though receiving much attention, the field of electrochemical nitrogen reduction reaction (eNRR) to ammonia is marked by doubts about whether this reaction is possible in aqueous media. This work sheds light on this question for iron single‐atom on N‐doped carbon (FeNC) catalysts—a class of well‐known catalysts that is also worth testing for the sister
Caroline Schneider   +6 more
wiley   +1 more source

Dynamics of the ion beam induced nitridation of silicon

open access: yes, 2015
High-resolution Rutherford backscattering and channeling has been used to study the energy and angular dependence of the ion beam induced nitridation of Si in a secondary ion mass spectrometry system.
Deenapanray, Prakash N. K.
core   +1 more source

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

Diffusion and activation of n-type dopants in germanium

open access: yes, 2008
The diffusion and activation of $n$-type impurities (P and As) implanted into $p$-type Ge(100) substrates were examined under various dose and annealing conditions.
Akira Nishiyama   +13 more
core   +1 more source

Technical note: Single-shell δ 11 B analysis of Cibicidoides wuellerstorfi using femtosecond laser ablation MC-ICPMS and secondary ion mass spectrometry

open access: gold, 2020
Markus Raitzsch   +8 more
openalex   +1 more source

MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance

open access: yesAdvanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley   +1 more source

Research on Uranium Particle Analysis Technology Based on Large Geometry Secondary Ion Mass Spectrometry

open access: yesYuanzineng kexue jishu
Nuclear safeguards remain a topic of shared concern for the international community. Large geometry secondary ion mass spectrometry (LG-SIMS) has been employed to efficiently analyze uranium `isotopes in uranium particle samples for monitoring undeclared
WU Yong1, 2, QIN Mingkuan1, 2, TAN Jing2, GUO Dongfa2, CUI Jianyong2, HE Sheng1, 2, CAI Yelei1, 2, LIN Yan1, 2
doaj   +1 more source

Dopant Spatial Distributions: Sample Independent Response Function And Maximum Entropy Reconstruction

open access: yes, 1997
We demonstrate the use of maximum entropy based deconvolution to reconstruct boron spatial distribution from the secondary ion mass spectrometry (SIMS) depth profiles on a system of variously spaced boron $\delta$-layers grown in silicon.
A. Benninghoven   +20 more
core   +1 more source

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