Magnetoelectric multipoles in metals

F Thöle, NA Spaldin - Philosophical Transactions of the …, 2018 - royalsocietypublishing.org
In this paper, we demonstrate computationally the existence of magnetoelectric multipoles,
arising from the second-order term in the multipole expansion of a magnetization density in …

[HTML][HTML] A spatially resolved optical method to measure thermal diffusivity

F Sun, S Mishra, PH McGuinness, ZH Filipiak… - Review of Scientific …, 2023 - pubs.aip.org
We describe an optical method to directly measure the position-dependent thermal diffusivity
of reflective single crystal samples across a broad range of temperatures for condensed …

[HTML][HTML] Strong electron-phonon coupling driven pseudogap modulation and density-wave fluctuations in a correlated polar metal

H Wang, Y Xiong, H Padma, Y Wang, Z Wang… - Nature …, 2023 - nature.com
There is tremendous interest in employing collective excitations of the lattice, spin, charge,
and orbitals to tune strongly correlated electronic phenomena. We report such an effect in a …

[HTML][HTML] Nano-imaging of strain-tuned stripe textures in a Mott crystal

AS McLeod, A Wieteska, G Chiriaco, B Foutty… - npj Quantum …, 2021 - nature.com
The 4d transition metal perovskites Can+ 1RunO3n+ 1 have attracted interest for their
strongly interacting electronic phases showing pronounced sensitivity to controllable stimuli …

Antiferromagnetic and xy ferro-orbital order in insulating SrRuO3 thin films with SrO termination

C Autieri - Journal of Physics: Condensed Matter, 2016 - iopscience.iop.org
By means of first-principles calculations we study the structural, magnetic and electronic
properties of SrRuO 3 surface for the SrO termination. We find that the RuO 6 octahedra and …

Colossal magnetoresistance in a Mott insulator via magnetic field-driven insulator-metal transition

M Zhu, J Peng, T Zou, K Prokes, SD Mahanti, T Hong… - Physical review …, 2016 - APS
We present a new type of colossal magnetoresistance (CMR) arising from an anomalous
collapse of the Mott insulating state via a modest magnetic field in a bilayer ruthenate, Ti …

Competing Exchange Interactions on the Verge of a Metal-Insulator Transition in the Two-Dimensional Spiral Magnet

JH Kim, A Jain, M Reehuis, G Khaliullin, DC Peets… - Physical review …, 2014 - APS
We report a neutron scattering study of the magnetic order and dynamics of the bilayer
perovskite Sr 3 Fe 2 O 7, which exhibits a temperature-driven metal-insulator transition at …

Magnon dispersion in : Impact of spin-orbit coupling and oxygen moments

S Kunkemöller, E Komleva, SV Streltsov, S Hoffmann… - Physical Review B, 2017 - APS
The magnon dispersion of Ca 2 RuO 4 has been studied by polarized and unpolarized
neutron scattering experiments on crystals containing 0, 1, and 10% of Ti. Ti is inserted in …

Spin-orbital nature of the high-field magnetic state in the

V Granata, L Capogna, F Forte, MB Lepetit, R Fittipaldi… - Physical Review B, 2016 - APS
We perform a spin-polarized neutron-diffraction study to investigate the nature of the high-
field magnetic state of the trilayered Sr 4 Ru 3 O 10. The analysis indicates that a high field …

From quasi-two-dimensional metal with ferromagnetic bilayers to Mott insulator with G-type antiferromagnetic order in Ca(RuTi)O

J Peng, X Ke, G Wang, JE Ortmann, D Fobes… - Physical Review B …, 2013 - APS
We report the electronic and magnetic phase diagram of Ca 3 (Ru 1− x Ti x) 2 O 7. With Ti
doping, the system evolves from a quasi-two-dimensional metal with ferromagnetic (FM) …