Robust pinned magnetisation in A2Ir2O7 iridates, the case of Er2Ir2O7 and Lu2Ir2O7 flux-grown single crystals

D Staško, F Hájek, K Vlášková, J Kaštil, M Henriques… - Scientific Reports, 2024‏ - nature.com
In addition to complex spin-ice and spin-liquid states of rare-earth pyrochlore oxides,
A2Ir2O7 iridates have been recently proposed to host a cooling-field-controllable …

Magnetotransport of Sm2Ir2O7 across the pressure-induced quantum-critical phase boundary

MJ Coak, K Götze, T Northam De La Fuente… - npj Quantum …, 2024‏ - nature.com
Rare-earth pyrochlore iridates host two interlocking magnetic sublattices of corner-sharing
tetrahedra and can harbour a unique combination of frustrated moments, exotic excitations …

Optical conductivity of the metallic pyrochlore iridate : Influence of spin-orbit coupling and electronic correlations on the electronic structure

H Kumar, M Köpf, P Telang, N Bura, A Jesche… - Physical Review B, 2024‏ - APS
The synergy of strong spin-orbit coupling and electron-electron interactions gives rise to
unconventional topological states, such as topological Mott insulator, Weyl semimetal, and …

Quasiuniversality from all-in–all-out Weyl quantum criticality in pyrochlore iridates

DJ Moser, L Janssen - Physical Review B, 2024‏ - APS
We identify an exotic quasiuniversal behavior near the all-in–all-out Weyl quantum critical
point in three-dimensional Luttinger semimetals, such as the pyrochlore iridates R 2 Ir 2 O 7 …

Visualization of spin-orbit entangled 4f electrons

S Kitou, K Ueda, Y Nakamura, K Sugimoto… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Electrons in localized 4f orbitals around lanthanide elements in solids are dominated by
strong spin-orbit coupling. The resultant J multiplets are further split by the crystalline electric …

Pressure-tuned magnetism and conductivity in pyrochlore iridates Lu2Ir2O7 and Er2Ir2O7

D Staško, P Proschek, J Prchal, M Klicpera - arxiv preprint arxiv …, 2024‏ - arxiv.org
A2Ir2O7 iridates were proven to crystallise in the geometrically frustrated pyrochlore
structure, which remains stable upon rare-earth cation substitution, temperature variation …

Crystallographic and electronic properties of rare-earth A2B2O7 oxides under extreme conditions

D Staško - 2025‏ - dspace.cuni.cz
Title: Crystallographic and electronic properties of rare-earth A2B2O7 oxides under extreme
conditions Author: Daniel Staško Department: Department of Condensed Matter Physics …

[HTML][HTML] Large magneto-thermoelectric effect on the verge of metal–insulator and topological transitionsin pyrochlore iridates

K Ueda, J Fujioka, N Kanazawa, Y Tokura - APL Materials, 2022‏ - pubs.aip.org
We investigate the Seebeck and Nernst effects of pyrochlore iridium oxides (Nd 1− x Pr x) 2
Ir 2 O 7 across the thermally induced and magnetic field-induced metal–insulator and …

Highly anisotropic geometrical Hall effect via exchange fields in doped pyrochlore molybdates

H Fukuda, K Ueda, Y Kaneko, R Kurihara, A Miyake… - Physical Review B, 2022‏ - APS
When a conduction electron couples with a non-coplanar localized magnetic moment, the
real-space Berry curvature is exerted to cause the geometrical Hall effect, which is not …