Bismuth-based binary compounds, including Bi 2 Se 3 and Bi 2 Te 3, have attracted
increasing attention as well-known topological insulators. On the other hand, bismuth-based …

We report the observation of two signatures of a pressure-induced topological quantum
phase transition in the polar semiconductor BiTeI using x-ray powder diffraction and infrared …

An overview of the optical effects in solids, addressing the physics of various materials and
their response to electromagnetic radiation. The discussion includes metals …

Janus materials, a novel class of materials with two faces of different chemical compositions
and electronic polarities, offer significant potential for various applications with catalytic …

Bismuth telluride halides (BiTeX) are Rashba-type crystals with several potential
applications ranging from spintronics and nonlinear optics to energy. Their layered …

Kramers-Kronig analysis is commonly used to estimate the optical properties of new
materials. The analysis typically uses data from far infrared through near ultraviolet (say 40 …

The Rashba effect is interesting for thermoelectrics because of the unique spin-splitting
band structure. By using bulk BiTeI with a giant Rashba effect as an example, we prove that …

Macroscopic ferroelectric order in α-GeTe with its noncentrosymmetric lattice structure leads
to a giant Rashba spin splitting in the bulk bands due to strong spin-orbit interaction. Direct …

The electronic structures of the heavy-fermion superconductor Ce Rh 2 As 2 with local
inversion symmetry breaking and the reference material La Rh 2 As 2 have been …

Rashba spin–orbit coupling (SOC) could facilitate an efficient interconversion between spin
and charge currents. Among various systems, BiTeI holds one of the largest Rashba-type …