| Citation | Professor Pendry has made imaginative contributions to a wide range of topics in theoretical solid state physics, and is a world leader in the field of electron and photon probes of the bonding and surface structure of solids, particularly low energy electron diffraction (LEED), photoemission spectroscopy (PS), extended X-ray absorption fine structure (EXAFS), X-ray photoemission (XPS) and X-ray absorption near edge structure (XANES). More than anyone else in the world, he has found the right physical approximations or/and ingenious mathematical transformations to make realistic computations possible. His programmes form the basis for interpreting much of the data from the synchrotron source at the SRC Daresbury Lab and elsewhere. Other work includes the theory of secondary electron emission from surfaces, surface states particularly on transition metals, theory of a helium bubble in irradiated metal, many-body theory of the electron gas, and electronic structure of molten metals, of materials like NiO and of complex layer compounds. |