Projet NEXUS (ANR JCJC 2023)

Dalila Bounoua, 48 months starting January 1st 2024

The NEXUS project aims at a systematic investigation of the new q=1/2 magnetic correlations and their connection with the q=0 magnetism in different cuprate families, using state of the art neutron scattering and resonant X-ray diffraction techniques.
NEXUS relies on an interdisciplinary strategy combining material science and condensed matter physics, and targeting three cuprates families: YBa2Cu3O7-δ and HgBa2CuO4+δ and Bi2(La,Sr)2CuO6+δ.

https://iramis.cea.fr/wp-content/uploads/2026/02/aapg-20203-NEXUS_full_proposal_V1403.pdf

Crystal structure of the high-Tc cuprate YBa2Cu3O6+x the pink surface represents the CuO2 planes and the arrow indicates the CuO chains. b) Summary phase diagram of hole-doped 2D cuprates. The symbols represent Time reversal symmetry breaking reported by PND, μSR, Torque and Parity symmetry breaking reported by Second Harmonic Generation [12]. AF is the antiferromagnetic phase, PG the pseudogap, CDW the charge density wave, SC the superconducting state, SM the strange metal and FL the Femi liquid. YBCO stands for YBa2Cu3O6+δ, Hg-1201 stands for HgBa2CuO4+δ.