Multiorbital Nature of Doped
G Zhang, E Pavarini - Physical Review Letters, 2023 - APS
The low-energy j eff= 1/2 band of Sr 2 IrO 4 bears stark resemblances with the x 2-y 2 band
of La 2 CuO 4, and yet no superconductivity has been found so far by doping Sr 2 IrO 4 …
of La 2 CuO 4, and yet no superconductivity has been found so far by doping Sr 2 IrO 4 …
Magnetic order and multipoles in a rhenate double perovskite
SW Lovesey, DD Khalyavin - Physical Review B, 2021 - APS
Structural and magnetic transitions in a double perovskite hosting 5 d 1 Re ions are
discussed in the context of recently published high-resolution x-ray diffraction patterns [D …
discussed in the context of recently published high-resolution x-ray diffraction patterns [D …
Constraints on the two-dimensional pseudospin- Mott insulator description of
Sr 2 IrO 4 has often been described via a simple, one-band pseudospin-1 2 model subject to
electron-electron interactions on a square lattice, fostering analogies with cuprate …
electron-electron interactions on a square lattice, fostering analogies with cuprate …
Evolution of the spectral lineshape at the magnetic transition in SrIrO and SrIrO
Abstract Sr 2 IrO 4 and Sr 3 Ir 2 O 7 form two families of spin-orbit Mott insulators with quite
different charge gaps and an antiferromagnetic (AF) ground state. This offers a unique …
different charge gaps and an antiferromagnetic (AF) ground state. This offers a unique …
Experimental evidence for nonspherical magnetic form factor in
The Mott insulator α-RuCl 3 has generated great interest in the community due to its
possible field-induced Kitaev quantum spin liquid state. Despite enormous effort spent trying …
possible field-induced Kitaev quantum spin liquid state. Despite enormous effort spent trying …
Rich phase diagram of the prototypical iridate : Effective low-energy models and metal-insulator transition
F Cassol, L Gaspard, M Casula, C Martins, B Lenz - Physical Review B, 2024 - APS
In the quest for exotic phases of matter due to the interplay of various interactions, iridates
hosting a spin-orbit entangled j eff= 1/2 ground state have been in the spotlight in recent …
hosting a spin-orbit entangled j eff= 1/2 ground state have been in the spotlight in recent …
Direct observation of oxygen polarization in by O -edge x-ray magnetic circular dichroism
X-ray absorption spectroscopy (XAS) and magnetic circular dichroism (XMCD)
measurements at the oxygen (O) K edge were performed to investigate the magnetic …
measurements at the oxygen (O) K edge were performed to investigate the magnetic …
Oxygen magnetic polarization, nodes in spin density, and zigzag spin order in oxides
Recent studies on Ba 2 CoO 4 (BCO) and SrRuO 3 (SRO) have unveiled a variety of
intriguing phenomena, such as magnetic polarization on oxygens, unexpected nodes in the …
intriguing phenomena, such as magnetic polarization on oxygens, unexpected nodes in the …
Diffraction by multipoles in a rhenium double perovskite
A recent polarized neutron diffraction experiment on the 5 d 2 rhenium double perovskite Ba
2 YRe O 6 held at a low temperature uncovered weak magnetic diffraction peaks. Data …
2 YRe O 6 held at a low temperature uncovered weak magnetic diffraction peaks. Data …
Modeling multiorbital effects in under strain and a Zeeman field
We present a comprehensive study of a three-orbital lattice model suitable for the layered
iridate Sr 2 IrO 4. Our analysis includes various on-site interactions (including Hubbard and …
iridate Sr 2 IrO 4. Our analysis includes various on-site interactions (including Hubbard and …