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61 Current news about the topic chromium

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Infrared in the heel

A chromium complex as NIR-II emitter

29-Jul-2021

Substances that emit light in the near infrared (NIR) range are needed for a wide variety of applications, from fibre-optic telecommunications to imaging techniques for biomedicine. A Swiss research team has now for the first time developed a chromium complex that emits light in the coveted ...

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Infrared Held in a Pincer

A NIR-II-emitting chromium complex

23-Jul-2021

Many applications, from fiber-optic telecommunications to biomedical imaging processes require substances that emit light in the near-infrared range (NIR). A research team in Switzerland has now developed the first chromium complex that emits light in the coveted, longer wavelength NIR-II range. ...

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Developing new materials for the fusion reactor

Success in developing vanadium alloys strong at high temperatures

11-Dec-2018

In the future fusion reactor, plasma is confined by using the magnetic field inside the doughnut-shaped vacuum vessel. The blanket is in a location where it almost touches the plasma, and as if to enfold the plasma the blanket is placed on the inner surface of the vacuum chamber. The blanket, by ...

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Investigation of inorganic pigments with apatite structure

02-Nov-2018

Compounds with the apatite structure differ from most classes by the variety of their chemical compositions: to create such substances, most chemical elements of the Periodic System can be used, while the characteristics of the crystalline structure of apatite will be preserved. The resulting ...

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Unmasking corrosion to design better protective thin films for metals

Analyzing oxide films at atomic level

08-Oct-2018

Corrosion is an age-old problem that is estimated to cost about $1 trillion a year, or about 5 percent of the U.S. gross domestic product. Corrosion of metals can be particularly bad, but fortunately they are normally protected from catastrophic damage by naturally forming, super-thin oxide ...

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Materials processing tricks enable engineers to create new laser material

20-Jul-2018

By doping alumina crystals with neodymium ions, engineers at the University of California San Diego have developed a new laser material that is capable of emitting ultra-short, high-power pulses--a combination that could potentially yield smaller, more powerful lasers with superior thermal shock ...

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Scientists develop highly sensitive molecular optical pressure sensor

Molecular ruby for use in materials sciences or catalysis

09-Jul-2018

Chemists at Johannes Gutenberg University Mainz (JGU) and at the Université de Montréal in Canada have developed a molecular system capable of very precise optical pressure measurements. The gemstone ruby served as the source of inspiration. However, the system developed by the team headed by ...

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Mixed halide chemistry can be used to control magnetism in ultrathin magnetic devices

02-Jul-2018

Physicists, chemists, and materials scientists have been probing the nature of layered magnetic materials for several decades, searching for clues to the properties of these materials that are more complex than they appear. Layered material resembles the structure of a book. From a distance, it ...

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Rutgers-led research could lead to more efficient electronics

07-Jun-2018

A Rutgers-led team of physicists has demonstrated a way to conduct electricity between transistors without energy loss, opening the door to low-power electronics and, potentially, quantum computing that would be far faster than today's computers. Their findings, which involved using a special mix ...

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Inspectors find phthalates in toys and asbestos in second-hand products

Hundreds of consumer products with illegal amounts of restricted chemicals

13-Feb-2018

The project report shows a relatively high number of products on the European market containing chemicals that are restricted under REACH. Inspectors in 27 European countries checked 1 009 mixtures, 4 599 articles and 17 substances. Overall, out of 5 625 targeted product checks, 18 % did not ...

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