Results 241 to 250 of about 7,366,504 (288)

3D‐Printed Dual‐Doped Ag2Se‐Based Thermoelectric Films With Enhanced Thermal Stability

Advanced Materials Technologies, EarlyView.
Sb–Se dual doping enhances the thermal stability of Ag2Se‐based thermoelectric systems. The compositionally tuned nano‐ink is printed into flexible films by direct ink writing (DIW), retaining improved thermoelectric properties after annealing up to 400°C.
Ahasun Habib Hridoy, Nishat Paul, Naimul Arefin, Axel Lopez, Peiran Wei, Brandon Dumars, Yan Chen, Mortaza Saeidi, Minxiang Zeng   +8 more
wiley   +1 more source

Two‐Step Thermal Upcycling of Flexible Printed Circuit Board Waste Into Metallic Copper Nanoparticles: Synthesis and Characterization

Advanced Materials Technologies, EarlyView.
A two‐step thermal upcycling process converts flexible printed circuit board waste into high‐purity copper nanoparticles using polymer degradation and arc discharge. The synthesized nanoparticles exhibit controlled morphology and high metal purity.
Bikesh S. Ghinangju, Rumana Hossain, Veena Sahajwalla   +2 more
wiley   +1 more source

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

Advanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo, Sina Jamali, Nam‐Trung Nguyen   +2 more
wiley   +1 more source

Chitin‐Chitosan Cryogels for the Reversible Sequestration and Recovery of Heavy Metals From Wastewater

Advanced Materials Technologies, EarlyView.
Chitin‐chitosan cryogels with degrees of N‐acetylation from 12.2% to 71.4% are fabricated by dissolution, coagulation and lyophilization for the sequestration of heavy metals from water. Colorimetry and differential pulse voltammetry showed controlled adsorption and desorption capacities for As5+, Co2+ and Cu2+, making this material attractive for ...
Marta García‐Castrillo, Maialen Uribarrena, Jorge Sáiz, Guillermo Copello, Erlantz Lizundia   +4 more
wiley   +1 more source

Secondary Ion Mass Spectrometry

, 2014
In Secondary Ion Mass Spectrometry (SIMS) a focused beam of energetic ions (so-called primary ions) is targeted onto the surface of a solid sample. Primary ions dissipate their energy, leading to the sputtering and ionisation of the outmost atoms of the sample surface. The resulting secondary ions are accelerated and transferred to a magnetic analyser.
Sangély, L., Boyer, B., de Chambost, E., Valle, N., Audinot, J.-N., Ireland, T., Wiedenbeck, M., Aléon, J., Jungnickel, H., Barnes, J.-P., Bienvenu, P., Breuer, U.   +11 more
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Secondary Ion Mass Spectrometry

Vacuum, 1994
When a solid target is bombarded by ions having energies of several keV, different complex processes may occur simultaneously. When the ion energy is low (typically less than 2 keV), the target surface can scatter the incident ions by an elastic collision mechanism. Analysis of the energetics of this collision is called ion scattering spectroscopy ISS,
Grimblot, J., Abon, M.
  +5 more sources

Aspects of quantitative secondary ion mass spectrometry

Nuclear Instruments and Methods, 1980
Abstract The present state of quantitative secondary ion mass spectrometry (SIMS) is analysed critically. Because of the strong gain in sensitivity obtained by loading the instantaneous sample surface with either oxygen or cesium, chemically enhanced secondary ion emission is discussed almost exclusively.
openaire   +2 more sources

Instrumental aspects of secondary ion mass spectrometry and secondary ion imaging mass spectrometry

Vacuum, 1972
Abstract A short survey of the varieties of the Secondary Ion Mass Spectrometry (SIMS) known at present is given. The principle of quantitative analysis with respect to thin film analysis is discussed. The properties of SIMS and SIIMS (Secondary Ion Imaging Mass Spectrometry) are compared with those of Electron Microprobe Analysis.
openaire   +1 more source

Localization of ions in retina by secondary ion mass spectrometry

Experimental Eye Research, 1976
Abstract Ionic distribution and localization in tissues is an important aspect of normal retinal physiology and of the pathogenesis of retinal disease. Secondary ion mass spectrometry (SIMS) has been utilized to simultaneously identify and localize ions in retinal tissue.
M B, Bellhorn, R K, Lewis
openaire   +2 more sources

Imaging lipids with secondary ion mass spectrometry

Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, 2014
This review discusses the application of time-of-flight secondary ion mass spectrometry (TOF-SIMS) and magnetic sector SIMS with high lateral resolution performed on a Cameca NanoSIMS 50(L) to imaging lipids. The similarities between the two SIMS approaches and the differences that impart them with complementary strengths are described, and various ...
Mary L, Kraft, Haley A, Klitzing
openaire   +2 more sources