Sentences with phrase «alignment of electron spins»

For half a century, the Mermin - Wagner theorem has addressed this question by stating that if 2 - D materials lack magnetic anisotropy, a directional alignment of electron spins in the material, there may be no magnetic order.

Not exact matches

Superconductivity is characterised by the way the electrons interact: within a superconductor electrons form pairs, and the spin alignment between the electrons of a pair may be different depending on the type — or «symmetry» — of superconductivity involved.

Before this happens, however, Earth's magnetic field can alter the relative alignment of the electrons» spins, which in turn alters the chemical properties of the molecules involved.