Emergent Dirac carriers across a pressure-induced Lifshitz transition in black phosphorus

Abstract

The phase diagrams of correlated systems like cuprates or pnictides high-temperature superconductors are characterized by a topological change of the Fermi surface under continuous variation of an external parameter, the so-called Lifshitz transition. However, the large number of low-temperature instabilities and the interplay of multiple energy scales complicate the study of this phenomenon. Here we first identify the optical signatures of a pressure-induced Lifshitz transition in a clean elemental system, black phosphorus. By applying external pressures above 1.5 GPa, we observe a change in the pressure dependence of the Drude plasma frequency due to the appearance of massless Dirac fermions. At higher pressures, optical signatures of two structural phase transitions are also identified. Our findings suggest that a key fingerprint of the Lifshitz transition in solid state systems, and in absence of structural phase transitions, is a discontinuity of the Drude plasma frequency due to the change of Fermi surface topology.

References in corpus (20)

• Advanced capabilities for materials modelling with Quantum ESPRESSO
• High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus
• Observation of tunable bandgap and anisotropic Dirac semimetal state in black phosphorus
• Tunable optical properties of multilayers black phosphorus thin films
• Electric Field Induced Topological Phase Transition in Two-Dimensional Few-layer Black Phosphorus
• Critical change in the Fermi surface of iron arsenic superconductors at the onset of superconductivity
• Collective modes of the massless Dirac plasma
• Pressure-induced Lifshitz transition in black phosphorus
• Exotic Lifshitz transitions in topological materials
• Anomalous temperature dependence of the band-gap in Black Phosphorus
• Topological Protected Dirac Cones in Compressed Bulk Black Phosphorus
• Intercalant-independent transition temperature in superconducting black phosphorus
• Elemental Phosphorus: structural and superconducting phase diagram under pressure
• Hydrostatic pressure induced Dirac semimetal in black phosphorus
• The vital role of hole-carriers for superconductivity in pressurized black phosphorus
• Lifshitz Transition in Underdoped Cuprates
• Magneto-electronic properties of multilayer black phosphorus
• Raman anomalies as signatures of pressure induced electronic topological and structural transitions in black phosphorus: Experiments and Theory
• Topological Phase Transition and Chiral-Anomaly Driven Negative Magneto-Resistance in Bulk Black Phosphorus
• Two-carrier analyses of the transport properties of black phosphorus under pressure

Cited by in corpus (9)

• Superconductivity arising from pressure induced Lifshitz transition in Rb${}_2$Pd${}_3$Se${}_4$ with kagome lattice
• Emergence of topological electronic phases in elemental lithium under pressure
• Semiclassical Boltzmann transport theory of few-layer black phosphorus in various phases
• Pressure induced evolution of band structure in black phosphorus studied by ${}^{31}$P-NMR
• Low-frequency interlayer phonon dynamics and photoinduced terahertz absorption in black phosphorus
• Interband spectroscopy of Landau levels and magnetoexcitons in bulk black phosphorus
• Enhanced interaction effects in the vicinity of the topological transition
• Non-adiabatic suppression of 3D excitonic screening in black phosphorus by mid-infrared pulses
• High-pressure modulation of breathing kagome lattice: Cascade of Lifshitz transitions and evolution of the electronic structure