Articles with "fe2 ions" as a keyword



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Optical and magnetic properties of PbS thin films doped with Fe2+ ions

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Published in 2017 at "Optik"

DOI: 10.1016/j.ijleo.2017.01.010

Abstract: Abstract PbS and Fe-doped PbS thin films were deposited on glass substrates by spray technique using perfume atomizer. Fe concentration is varied as 0, 1, 2, 3 and 4 wt.% and the effect of Fe doping… read more here.

Keywords: thin films; properties pbs; magnetic properties; fe2 ions ... See more keywords
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Deep donors and acceptors in β-Ga2O3 crystals: Determination of the Fe2+/3+ level by a noncontact method

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Published in 2019 at "Journal of Applied Physics"

DOI: 10.1063/1.5133051

Abstract: Electron paramagnetic resonance (EPR), infrared absorption, and thermoluminescence (TL) are used to determine the Fe2+/3+ level in Fe-doped β-Ga2O3 crystals. With these noncontact spectroscopy methods, a value of 0.84 ± 0.05 eV below the conduction band is obtained… read more here.

Keywords: fe2 level; level; fe2 ions; spectroscopy ... See more keywords
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Study of the Oxidation Rate of Fe2+ Ions in Water during Air Bubbling

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Published in 2018 at "Theoretical Foundations of Chemical Engineering"

DOI: 10.1134/s0040579518010013

Abstract: The influence of the specific surface area of air bubbles in the process of bubbling on the oxidation rate of Fe2+ ions of model solutions prepared using distilled water with the addition of Fe2+ ions… read more here.

Keywords: oxidation; water; fe2 ions; air ... See more keywords
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Long-pulse 4.4-4.6 μm laser oscillations of Fe2+ ions in a Zn1-xMnxSe (x = 0.3) crystal pumped by a 1940 nm Tm fiber laser through Cr2+ → Fe2+ energy transfer.

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Published in 2019 at "Optics letters"

DOI: 10.1364/ol.44.005334

Abstract: Millisecond-pulse laser operation of Fe2+ ions at 78 K is demonstrated in the Zn1-xMnxSe:Fe2+,Cr2+ (x=0.3) crystal under a Tm fiber 1940 nm laser pumping through a Cr2+→Fe2+ energy transfer process for the first time, to the best… read more here.

Keywords: laser; energy; cr2; fe2 ... See more keywords
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Mid-Infrared Laser Generation of Zn1−xMnxSe and Zn1−xMgxSe (x ≈ 0.3) Single Crystals Co-Doped by Cr2+ and Fe2+ Ions—Comparison of Different Excitation Wavelengths

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Published in 2022 at "Materials"

DOI: 10.3390/ma15155277

Abstract: Two different mid-infrared (mid-IR) solid-state crystalline laser active media of Cr2+, Fe2+:Zn1−xMnxSe and Cr2+, Fe2+:Zn1−xMgxSe with similar amounts of manganese or magnesium ions of x ≈ 0.3 were investigated at cryogenic temperatures for three different… read more here.

Keywords: cr2 fe2; fe2 ions; laser; zn1 ... See more keywords