Nested Fermi Surface and Electronic Instability in
F Baumberger, NJC Ingle, N Kikugawa, MA Hossain… - Physical review …, 2006 - APS
High-resolution angular resolved photoemission data reveal well-defined quasiparticle
bands of unusually low weight, emerging in line with the metallic phase of Ca 3 Ru 2 O 7 …
bands of unusually low weight, emerging in line with the metallic phase of Ca 3 Ru 2 O 7 …
Gapless dynamic magnetic ground state in the charge-gapped trimer iridate
We present an experimental investigation of the magnetic ground state in Ba 4 NbIr 3 O 12,
a fractional valent trimer iridate. X-ray absorption and photoemission spectroscopy show that …
a fractional valent trimer iridate. X-ray absorption and photoemission spectroscopy show that …
Metamagnetic texture in a polar antiferromagnet
DA Sokolov, N Kikugawa, T Helm, H Borrmann… - Nature Physics, 2019 - nature.com
The notion of a simple ordered state implies homogeneity. If the order is established by a
broken symmetry, the elementary Landau theory of phase transitions shows that only one …
broken symmetry, the elementary Landau theory of phase transitions shows that only one …
Colossal Magnetoresistance by Avoiding a Ferromagnetic State in the Mott System
Transport and magnetic studies of Ca 3 Ru 2 O 7 for temperatures ranging from 0.4 to 56 K
and magnetic fields B up to 45 T lead to strikingly different behavior when the field is applied …
and magnetic fields B up to 45 T lead to strikingly different behavior when the field is applied …
Probing spin-orbital-lattice correlations in systems
By means of an exact diagonalization technique, we analyze the ground state configurations
that emerge out of the competition between the octahedral distortions, the Coulomb …
that emerge out of the competition between the octahedral distortions, the Coulomb …
Cooperative interactions govern the fermiology of the polar metal
The antiferromagnetic Ruddlesden-Popper ruthenate Ca 3 Ru 2 O 7 is a model polar metal,
combining inversion symmetry breaking with metallic conductivity; however, its low …
combining inversion symmetry breaking with metallic conductivity; however, its low …
Exotic magnetic anisotropy near digitized dimensional Mott boundary
The magnetic anisotropy of low‐dimensional Mott systems exhibits unexpected
magnetotransport behavior useful for spin‐based quantum electronics. Yet, the anisotropy of …
magnetotransport behavior useful for spin‐based quantum electronics. Yet, the anisotropy of …
Orbital order and uniaxial spin anisotropy in single crystals
ZX Zhou, P Schlottmann - Physical Review B—Condensed Matter and …, 2005 - APS
Magnetization, resistivity, and magnetoresistance (MR) are measured on detwinned
EuBaCo 2 O 5.5 single crystals over a wide range of dc magnetic fields (up to 33 T) and …
EuBaCo 2 O 5.5 single crystals over a wide range of dc magnetic fields (up to 33 T) and …
Magnetic structure and orbital state of investigated by resonant x-ray diffraction
B Bohnenbuck, I Zegkinoglou, J Strempfer… - Physical Review B …, 2008 - APS
Resonant x-ray diffraction at the L 2-and L 3-absorption edges of Ru has been used to
investigate the magnetic structure of Ca 3 Ru 2 O 7, a material with a bilayer perovskite …
investigate the magnetic structure of Ca 3 Ru 2 O 7, a material with a bilayer perovskite …
Electronic structure and resonant inelastic x-ray scattering in
We have investigated the electronic structure of the transition metal oxide Ca 3 Ru 2 O 7
within density-functional theory using the generalized gradient approximation while …
within density-functional theory using the generalized gradient approximation while …