Sentences with phrase «europium mofs»

Basic uncommon earth metal silicate in an illuminate oxide europium dope and Strontium powders among different plans.
A team at the Department of Energy's Oak Ridge National Laboratory has designed and synthesized a selective molecular trap that can separate the minor actinide element americium from a mixture of americium and the lanthanide elements, using europium as the model lanthanide in experiments.
Schnick showed how highly efficient europium - doped nitridosilicate and oxonitridosilicate materials are being industrially applied in phosphor - converted (pc)- light - emitting diodes, which are up to 80 % more energy efficient.
In the radiochemistry lab, experiments showed both saturated and unsaturated ligands strongly bind americium and europium.
Among these were elements 60, 63 and 64 — or neodymium, europium and gadolinium.
The relationship between europium and the euro was not announced; it was revealed only when Freek Suijver and Andries Meijerink, two curious chemists at the University of Utrecht in the Netherlands, put the notes into their spectrometer.
Terbium and europium recently overtook silver in price, reaching $ 40 an ounce.
Colorful fluorescence is the calling card of another rare - earth element with another odd name: europium.
The strategy identified five rare earth metals (dysprosium, neodymium, terbium, europium, and yttrium) as well as indium as «most critical in the short term,» as measured by their importance to clean - energy technologies and the risk of supply disruption.
Officials at the European Central Bank evidently decided it would be fitting if europium - based compounds were added to euro banknotes as fluorescent security markings.
In a study published in the inaugural issue of the journal Applied Materials Today, a new rapid, online only publication, the team of researchers describe how they make these films which are based on the heavy metals lanthanum and europium.
Dr. Yaping Du of Xi'an Jiaotong University, China, and colleagues have developed a way to make high - quality nanocrystals of lanthanide oxybromides, where the lanthanide metal can be lanthanum, europium, gadolinium or terbium.
They produce the materials by heating a readily available precursor material, which also allows them to incorporate triply charged europium ions, Eu3 +, as «dopants» into any of the LaOBr nanocrystals.
This is a schematic diagram of the europium doped gadolinium oxide nanorods and the silica coating to improve the biocompatibility.
For example, europium allows your television to display vibrant reds; neodymium is a key ingredient in the magnets used in hybrid - vehicle motors; and yttrium is in fluorescent lightbulbs.
Eventually, the separate elements are dried, and the powder versions of neodymium, europium, and the rest are bagged up and sold to customers, some of them Apple's partners that make the speakers, the screen, and the vibration unit that comprise an iPhone.
Professor Tom Van Gerven from the Department of Chemical Engineering explains: «The traditional method dissolves europium and yttrium in aqueous acid.
They are indium and gallium inside the semiconductor diode and rare earths like europium or terbium in the phosphor.
Researchers from the KU Leuven Department of Chemical Engineering have discovered a method to separate two rare earth elements — europium and yttrium — with UV light instead of with traditional solvents.
When we add sulphate, only the europium reacts with it.
For other applications, however, it is necessary to separate europium and yttrium from the rare - earth mixture.
In early 2015, KU Leuven chemists developed ionic liquid technology to recycle europium and yttrium from collected fluorescent lamps and low - energy light bulbs.
In collaboration with KU Leuven chemists the researchers have now managed to recover europium from the liquid mixture with UV light instead of a solvent.
When we shine UV light upon the solution of europium and yttrium, we add energy to the system.
Terbium MOFs emit green light; europium MOFs glow red.
Using data gathered in August 2017 during a neutron star merger that occurred between 85 million and 160 million light - years away (an event in which the colliding stars together weighed about three times the mass of our sun), current astrophysical models suggest that that single event generated between one and five Earth masses of europium and between three and 13 Earth masses of gold, the researchers report this month in The Astrophysical Journal.
Scientific Reports published this week set out the discovery of a seemingly indefinite deposit of yttrium, europium, terbium and dysprosium that exists off the coast of Japan.
Researchers suspected europium was formed by colliding neutron stars, but couldn't be sure how much until one was detected.
What's still uncertain is how much colliding neutron stars might contribute to europium.
(One estimate suggests there's 0.5 - 1 gram of europium in every CRT screen.)
Researchers who've pored over the data since last year now think the collision also made 1 - 5 Earth masses of a very rare element called europium, according to a recent study in The Astrophysical Journal.
a b c d e f g h i j k l m n o p q r s t u v w x y z