Sentences with phrase «nitride crystals»

But the silicon - based or gallium nitride crystals found in LEDs and other electronics require a bit of coaxing to attain their ideal shapes and alignments.

Mixing and heating the ingredients leads to a solid - state reaction and the formation of nanostructured molybdenum carbide and molybdenum nitride crystals.

The researchers fully encapsulated the 2D graphene layer in a sandwich of thin insulating boron nitride crystals.

The density of defects in the best gallium nitride crystals, at 1.010 dislocations per square centimeter, was ten million times higher than what was believed necessary for commercial success, especially in a laser.

To do this, they employed a new technique in which the top boron nitride crystal was used to sequentially pick up the other layers in the stack.

Not exact matches

They top that with a layer of single - crystal titanium nitride, using domain matching epitaxy to ensure the crystalline structure of the titanium nitride is aligned with the structure of the silicon.

Rarer than diamonds, the wurtzite - like crystal structure of boron nitride is considerably harder.

Standard titanium nitride (TiN), with a one - to - one ratio of titanium and nitrogen, exhibits a crystal structure resembling that of table salt — sodium chloride, or NaCl.

The problem is that adding indium atoms puts the crystal structure of gallium nitride under stress, which leads to poorly performing devices.

Gallium nitride nanowires, however, don't experience the same sort of crystal strain, so scientists hope to use them as tunable, broad - spectrum light sources.

Kim and colleagues first isolated a sample of pure graphene by protecting it between layers of hexagonal boron nitride, an insulating, transparent crystal also known as «white graphene» for its similar properties and atomic structure.

«Various hexagonal boron nitride single crystal morphology — triangle to hexagon — formulations have been mentioned in theoretical studies, but for the first time we have demonstrated and explained the process,» says postdoctoral associate Yijing Stehle, of ORNL» [We created] a more gentle, controllable way to release the reactant into the furnace and [figured] out how to take advantage of inner furnace conditions.