Normally, when liquids solidify, their molecules become locked in place, making it much harder for ions to move and leading ...

We're part of an international team of scientists behind the creation of a new family of organic materials that can conduct ...

Phonons are sound particles or quantized vibrations of atoms in solid materials. The Debye model, a theory introduced by physicist Peter Debye in 1912, describes the contribution of phonons to the ...

Just about every (but not all) solids expand with an increase in temperature. Why? Before going to the answer, let's look at a common model of a solid - the ball and spring model. In this model, solid ...