Quantum Systems and Nanomaterials

We investigate the properties of electrons, phonons and photons in nanomaterials and nanostructures. Physics has been revolutionised by our ability to engineer tiny structures which exhibit exciting new physical effects such as quantum tunnelling and the occurrence of novel phases of matter. They are also to be found in some of the latest optoelectronic devices.

We are able to create nanostructured materials using our own focused ion beam and electron beam facilities, and are using optical, transport and thermodynamic techniques to study these structures at temperatures only 0.01 degrees above absolute zero and in magnetic fields as high as 17 Tesla.

Our researchers were the first in the world to show that evaporation of atoms from the liquid surface is caused by the annihilation at the surface of a quantum of vibrational energy in the liquid – an analogue of the photoelectric effect. It turns out that wetting of surfaces can best be studied using helium and alkali metals. This is leading to the creation of two-dimensional superfluid films with amazing properties.