Sentences with word «chalcogenide»

The focus of the presentation is transition metal chalcogenides of different structure types and different thermal behavior and its implications for the growth of highly textured films.

«These include metal chalcogenides such as the mineral pentlandite, which is just as efficient as platinum and is also significantly more stable towards catalyst poisons such as sulphur,» explains Ulf - Peter Apfel.

These join slightly more mature — yet still unproven — universal memories such as magnetoresistive RAM (MRAM), which uses magnetic polarization to store information permanently on a device's microprocessor, and «phase change» memory, which stores data in a glassy substance called chalcogenide as it is heated and its atoms are rearranged.

Chalcogenide is also used in CDs and DVDs, which store information with the help of a laser that heats and rearranges chalcogenide atoms.

The doped chalcogenide Ge2Sb2Te5, which has been tested in conventional memory devices, can exist in two phases: a glassy amorphous state and a crystalline one.

These include tungsten, niobium, zirconium, titanium and tantalum and they form layers with sulfur and other chalcogenides such as selenium and tellurium.

These oxychlorides then lead to the 2 - D chalcogenide growth.

«From our theoretical perspective, the novelty in this study is that we now have a better understanding of why adding plain salt lowers the melting point for these metal - oxides and especially reduces the energy barriers of the intermediates on the way to transforming them into chalcogenides.»

In research published in the June 1 issue of the Journal of Crystal Growth, Sarswat reports on how the microwave process avoids unwanted side reactions and efficiently achieves uniform crystals of CZTS, a quaternary chalcogenide also known as «p - type photovoltaic absorber».

The team led by Zheng Liu of Nanyang Technological University in Singapore used its seasoned technique with CVD to create 47 compounds of metal chalcogenides (which contain a chalcogen and an electropositive metal).

PRAM is novel because it uses electrical current to store data in a glassy substance called chalcogenide, whose atoms are rearranged when it is heated.

Professor Benjamin Eggleton, Thomas Büttner and Moritz Merklein, researchers from CUDOS at the University of Sydney with the chalcogenide photonic chip.

One option, Gauthier says, is to work with a new type of glass made from a chalcogenide, which has good semiconductor properties and contains one or more elements from the periodic table's chalcogenide group, also known as the «oxygen family,» which includes oxygen, sulfur, selenium and tellurium.

The IBM team tested a mushroom - shaped device consisting of a 100 - nm - thick layer of the chalcogenide sandwiched between two electrodes.

The group was the first to show that monolayers of two different types of metal chalcogenides — binary compounds of sulfur, selenium or tellurium with a more electropositive element or radical — having such different lattice constants can be grown together to form a perfectly aligned stacking bilayer.