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20112022
most citedMagnetic field-induced insulator-semimetal transition in a pyrochlore Nd2Ir2O7

102 citations · 306 across the 11 of their papers we have counts for

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Showing cond-mat.str-elShow all

8 papers · 1 filter

cond-mat.str-el2022★ 14 cited

Experimental signatures of versatile Weyl semimetal in pyrochlore iridate with spin-ice like magnetic orders

Kentaro Ueda, Hiroaki Ishizuka, Markus Kriener +6

We report experimental signatures of topological transitions among the Weyl semimetal states of pyrochlore Pr2Ir2O7, where the Kondo coupling between the Ir topological electrons a…

cond-mat.str-el2021★ 8 cited

Fully filling-controlled pyrochlore ruthenates: emergent ferromagnetic-metal state and geometrical Hall effect

Ryoma Kaneko, Kentaro Ueda, Shiro Sakai +4

Carrier doping to the Mott insulator is essential to produce highly correlated metals with emergent properties. Pyrochlore ruthenates, PrRuO (Ru- electron num…

cond-mat.str-el2020★ 15 cited

Evolution of possible Weyl semimetal states across the hole-doping induced Mott transition in pyrochlore iridates

Kentaro Ueda, Hikaru Fukuda, Ryoma Kaneko +2

We study possible Weyl semimetals of strongly-correlated electrons by investigating magnetotransport properties in pyrochlore R2Ir2O7 (R=rare-earth ions), choosing three types of R…

cond-mat.str-el2020★ 15 cited

Spin-wave gap collapse in Rh-doped Sr2IrO4

J. Bertinshaw, J. K. Kim, J. Porras +7

We use resonant inelastic x-ray scattering (RIXS) at the Ir L3 edge to study the effect of hole doping upon the Jeff=1/2 Mott-insulating state in Sr2IrO4, via Rh replacement of the…

cond-mat.str-el2019★ 50 cited

Observation of spin-orbit excitations and Hund's multiplets in CaRuO

H. Gretarsson, H. Suzuki, Hoon Kim +6

We use Ru -edge (2838.5 eV) resonant inelastic x-ray scattering (RIXS) to quantify the electronic structure of CaRuO, a layered -electron compound that exhibits a…

cond-mat.str-el2019★ 46 cited

Spin-orbit-controlled metal-insulator transition in SrIrO

Berend Zwartsenberg, Ryan P. Day, Elia Razzoli +12

In the context of correlated insulators, where electron-electron interactions (U) drive the localization of charge carriers, the metal-insulator transition (MIT) is described as ei…

cond-mat.str-el2015★ 52 cited

Pressure and magnetic-field effects on metal-insulator transitions of bulk and domain-wall states in pyrochlore iridates

K. Ueda, J. Fujioka, C. Terakura +1

We have explored the critical metal-insulator phenomena for pyrochlore-type IrO, in which electron correlation strength and magnetic configuration are systematically c…

cond-mat.str-el2011★ 1 cited

Impact of geometrical frustration on charge transport near the Mott transition in pyrochlore (YCd)MoO

S. Iguchi, Y. Kumano, K. Ueda +2

To search for novel spin-charge coupled phenomena in the strongly correlated electron system on a frustration lattice, charge transport and dynamics have been investigated for the…