Results 51 to 60 of about 334,680 (195)

Study on the Analysis of Uranium-in Rat Hair by Secondary Ion Mass Spectrometry

open access: yesJournal of Isotopes, 2021
Hair samples, as a non-invasive biological material, it is gradually gaining attention in the fields of nuclear forensics, environmental monitoring, occupational exposure detection, and medicine due to its certain accumulation effect on human trace ...
HU Ruixuan;SHEN Yan;LI Lili;HUANG Shenghui;ZHAO Lifei;ZHAO Yonggang
doaj  

Optical and electronic properties of sub-surface conducting layers in diamond created by MeV B-implantation at elevated temperatures

open access: yes, 2016
Boron implantation with in-situ dynamic annealing is used to produce highly conductive sub-surface layers in type IIa (100) diamond plates for the search of a superconducting phase transition.
Bowers, H.   +6 more
core   +1 more source

The inverse solution of the atomic mixing equations by an operator-splitting method [PDF]

open access: yes, 2013
The quantification problem of recovering the original material distribution from secondary ion mass spectrometry (SIMS) data is considered in this paper.
Allen   +17 more
core   +1 more source

Analytical microprobes: getting more out of less [PDF]

open access: yes, 2017
The arsenal of techniques capable of getting chemical information from reduced spatial domains has been a constant in the analytical instrumentation. Such evolution has run in parallel with the extraordinary advances in the field of microscopy that have ...
Vadillo-Perez, Jose Miguel
core  

PIXE and ToF-SIMS analysis of streaker samplers filters [PDF]

open access: yes, 2004
This paper presents methodological innovations introduced in the characterisation of urban aerosol collected in Italy in a recent campaign. Two complementary ion beam analysis (IBA) techniques were used to analyse Nuclepore filters used in continuous ...
Adriaens, Mieke   +9 more
core   +2 more sources

Dynamic NanoSIMS ion imaging of unicellular freshwater algae exposed to copper [PDF]

open access: yes, 2018
This work demonstrates the capabilities of nanoscale secondary-ion mass spectrometry, using the Cameca NanoSIMS50 ion microprobe, to detect and image the copper-ion distribution in microalgal cells exposed to nanomolar and micromolar copper ...
Eybe, Tanja   +4 more
core  

Determination of secondary ion mass spectrometry relative sensitivity factors for polar and non-polar ZnO [PDF]

open access: yes, 2011
Zinc oxide (ZnO) is regarded as a promising material for optoelectronic devices, due to its electronic properties. Solely, the difficulty in obtaining p-type ZnO impedes further progress.
Eisermann, Sebastian   +6 more
core   +1 more source

Diffusion based degradation mechanisms in giant magnetoresistive spin valves

open access: yes, 2008
Spin valve systems based on the giant magnetoresistive (GMR) effect as used for example in hard disks and automotive applications consist of several functional metallic thin film layers.
Jürgen Zimmer   +9 more
core   +1 more source

Oxygen reduction in acid media: effect of iron substitution by cobalt on heat-treated naphthalocyanine impregnations supported on preselected carbon blacks [PDF]

open access: yes, 1992
FeNPc(1.2) impregnations were investigated at various loadings using a rotating-disk electrode, voltammetry and X-ray photoelectron spectroscopy (XPS) techniques.
Biloul, A.   +6 more
core   +2 more sources

Characterization of TiAl alloys by secondary Ion mass spectrometry [PDF]

open access: yes, 2004
Titanium aluminides are arising as a valuable alternative to superalloys in applications where the ratio resistance/density is important. Together with excellent mechanical and corrosion properties at high temperatures, such characteristics are very ...
Barbosa, J.   +4 more
core   +1 more source

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