Figure 1: Crystal structure and sample characterization of BiPd.
From: Observation of the spin-polarized surface state in a noncentrosymmetric superconductor BiPd
(a) Crystal structure of BiPd with the b axis shown as its unique axis. It crystallizes in a monoclinic structure at low temperatures. (b) The magnetic susceptibility as a function of temperature showing a sharp superconducting transition temperature at ∼3.7 K in the field of 20 Gs. (c) Schematic drawing of surface and bulk Brillouin zones, corresponding to a primitive cell, are shown. We note that all electronic structure calculations were performed on a conventional unit cell for the bulk and a supercell for the slab. High-symmetric points are also marked. (d) Core level spectroscopic measurement of BiPd showing sharp peaks of Bi 5d. The inset shows a photograph of the BiPd sample.
