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   Articles with "germanium" as a keyword



Distorted Lead‐Free Germanium‐Based Perovskite Single‐Crystals for Stable and Efficient X‐Ray Detection and Imaging

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recommendations! Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401028

Abstract: 3D metal halide perovskite X‐ray detectors have become the focus of research in recent years due to their superior sensitivity. However, the reported efficient perovskite X‐ray detectors all contain highly toxic lead and worrisome stability,… read more here.

Keywords: detection; lead free; germanium; ray ... See more keywords

Solution Synthesis, Surface Passivation, Optical Properties, Biomedical Applications, and Cytotoxicity of Silicon and Germanium Nanocrystals.

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recommendations! Published in 2017 at "ChemPlusChem"

DOI: 10.1002/cplu.201600207

Abstract: Silicon and germanium nanocrystals (NCs) are attractive materials owing to their unique size and surface-dependent optical properties. The optical properties of silicon and germanium NCs make them highly suitable for a range of applications, including… read more here.

Keywords: germanium; optical properties; surface; silicon germanium ... See more keywords

Germanium Dioxide and the Antioxidant Properties of Catechols

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recommendations! Published in 2019 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.201801259

Abstract: Complexes of tetra‐ and hexa‐coordinated germanium AdrCat2Ge (1, AdrCat = adrenaline catecholate), AldCat2Ge (2, AldCat = 4‐formylcatecholate), AldCat3Ge(Et3NH)2 (3) were synthesized by the reaction of germanium dioxide with adrenaline and 3,4‐dihydroxybenzaldehyde in aqueous solution. The… read more here.

Keywords: mol; germanium dioxide; antioxidant properties; germanium ... See more keywords

Strain‐Engineered Germanium Microbridge LED With Silicon Nitride Stressor

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recommendations! Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70086

Abstract: Germanium (Ge) has garnered significant attention in the field of silicon‐based monolithic light sources as an attractive material. Silicon nitride is widely used in optoelectronic devices due to its excellent optical properties. By using silicon… read more here.

Keywords: led silicon; nitride stressor; strain; germanium ... See more keywords

A novel catalytic adsorptive stripping voltammetric method for the determination of germanium ultratraces in the presence of chloranilic acid and the V(IV)·HEDTA complex

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recommendations! Published in 2020 at "Journal of Solid State Electrochemistry"

DOI: 10.1007/s10008-020-04669-0

Abstract: A novel, sensitive catalytic adsorptive stripping voltammetric procedure which can be used to determine trace amounts of germanium is described. The method is based on the interfacial accumulation of the complex formed by Ge(IV) and… read more here.

Keywords: catalytic adsorptive; presence; germanium; hedta ... See more keywords

Fluorescence of Atomic Germanium – Solution of Excitation Transfer

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recommendations! Published in 2025 at "Journal of Fluorescence"

DOI: 10.1007/s10895-025-04220-2

Abstract: Laser induced fluorescence was used for detection of free germanium atoms in a miniature diffusion flame atomizer. Two excitation schemes were tested, which were based on excitation wavelengths around 250 nm and 205 nm. The… read more here.

Keywords: excitation transfer; fluorescence; fluorescence atomic; excitation ... See more keywords

Design of germanium core with anisotropic metamaterial cladding optical fiber in mid-infrared range applications

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recommendations! Published in 2020 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-020-02415-4

Abstract: A novel circular shaped metamaterial optical fiber with semiconductor core, metal/dielectric clad is numerically investigated. To surpass higher absorption loss and instability of noble metal, the core guiding medium of the fiber is comprised by… read more here.

Keywords: germanium; core; fiber; mid infrared ... See more keywords
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Vacancy Clustering in Dislocation-Free High-Purity Germanium

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recommendations! Published in 2020 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-020-08260-1

Abstract: A germanium crystal of high purity was grown in H2 with a maximum dislocation density of 3000 cm−2, which was estimated by white beam x-ray topography. Due to a dynamical diffraction effect, the topographs revealed… read more here.

Keywords: germanium; vacancy; dislocation; dislocation free ... See more keywords
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Aluminum Smelting Carbon Dust as a Potential Raw Material for Gallium and Germanium Extraction

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recommendations! Published in 2021 at "JOM"

DOI: 10.1007/s11837-021-04563-8

Abstract: Gallium and germanium are highly important elements used in different high-tech areas, and new secondary raw materials for its extraction are the subject of a thorough search. In this study, germanium is found in the… read more here.

Keywords: carbon dust; germanium; extraction; gallium germanium ... See more keywords

Effect of sintering germanium epilayers on dislocation dynamics: From theory to experimental observation

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recommendations! Published in 2020 at "Acta Materialia"

DOI: 10.1016/j.actamat.2020.09.047

Abstract: Abstract High-quality germanium epilayers on Si with low threading-dislocation density were achieved by sintering of porous Ge/Si films. The process consists in the formation of porous Ge nanostructures by dislocation-selective electrochemical etching of Ge/Si films,… read more here.

Keywords: sintering germanium; effect sintering; germanium; germanium epilayers ... See more keywords

Optimal process parameters for phosphorus spin-on-doping of germanium

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recommendations! Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2016.09.134

Abstract: Abstract The fabrication of homogeneously doped germanium layers characterized by total electrical activation is currently a hot topic in many fields, such as microelectronics, photovoltaics, optics and radiation detectors. Phosphorus spin-on-doping technique has been implemented… read more here.

Keywords: optimal process; spin doping; diffusion; germanium ... See more keywords