Sentences with phrase «nucleation barrier»

At the moment, the team's favored idea is akin to the second solution above: that large bodies of solid metal slowly dropped from the rocky mantle and into the core to lower the nucleation barrier.

To overcome the nucleation barrier and start to solidify, however, the liquid has to be cooled well below its freezing point - what scientists call «supercooling.»

«That something happened to lower the nucleation barrier, allowing crystallization to occur at a higher temperature.

But the nucleation barrier for metal - at the extraordinary pressures at the center of the Earth - is enormous.

«On the other hand,» he said, «is there some ordinary feature of planetary cores that we have not thought of before - something that allows them to overcome that nucleation barrier?

Theoretical calculations identify the formation of an unusually stable aromatic acid — sulfuric acid complex, which likely leads to a reduced nucleation barrier.

Not exact matches

The structure and depth of the indicated minimum remain unknown, as well as the height of the activation barrier for nucleation.

Engineers at Washington University in St. Louis experimentally proved how the confined collagen structure contributes to reducing thermodynamic energy barrier to intrafibrillar nucleation for bone mineralization.