Bloch–Grüneisen law

In solid-state physics, the Bloch–Grüneisen law or the Bloch's T5 law describes the temperature dependence of electrical resistivity in metals due to the scattering of conduction electrons by lattice vibrations (phonons) below Debye temperature. The theory was initially put forward by Felix Bloch in 1930 and expanded by Eduard Grüneisen in 1933.

The Bloch–Grüneisen temperature has been observed experimentally in a two-dimensional electron gas and in graphene.

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