K. Ishii

activity

20022021

most citedMott gap excitations in twin-free YBa2Cu3O7-d (Tc = 93 K) studied by RIXS

41 citations · 328 across the 21 of their papers we have counts for

collaborators

21 papers

cond-mat.supr-con2021★ 2 cited

Fluctuating magnetism of Co- and Cu-doped NaFeAs

Jonathan Pelliciari, Kenji Ishi, Lingyi Xing +3

We report an x-ray emission spectroscopy (XES) study of the local fluctuating magnetic moment ( $μ_{ba r e}$ ) in $NaF e_{1 - x} C o_{x} As$ and $NaF e_{1 - x} C u_{x} As$ . In Na…

cond-mat.supr-con2020★ 5 cited

Post-growth annealing effects on charge and spin excitations in Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4}$

Kenji Ishii, Shun Asano, Masumi Ashida +6

We report a Cu K- and L $_{3}$ -edge resonant inelastic x-ray scattering study of charge and spin excitations of bulk Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4}$ , with focus on post-growth annealing effec…

cond-mat.supr-con2020★ 3 cited

Distinct variation of electronic states due to annealing in La $_{1.8}$ Eu $_{0.2}$ CuO $_{4}$ and Nd $_{2}$ CuO $_{4}$

Shun Asano, Kenji Ishii, Daiju Matsumura +8

We performed Cu {\it K}-edge X-ray absorption fine structure measurements on T'-type La $_{1.8}$ Eu $_{0.2}$ CuO $_{4}$ (LECO) and Nd $_{2}$ CuO $_{4}$ (NCO) to investigate the variation in the…

cond-mat.supr-con2020★ 5 cited

Revisiting the phase diagram of T*-type La $_{1 - x /2}$ Eu $_{1 - x /2}$ Sr $_{x}$ CuO $_{4}$ using Oxygen $K$ -edge X-ray absorption spectroscopy

Shun Asano, Kenji Ishii, Kohei Yamagami +3

Oxygen $K$ -edge X-ray absorption spectroscopy measurements were conducted on T*-type La $_{1 - x /2}$ Eu $_{1 - x /2}$ Sr $_{x}$ CuO $_{4}$ (LESCO) to estimate the hole density ( $n_{h}$ ) and in…

cond-mat.supr-con2019★ 17 cited

Reciprocity between local moments and collective magnetic excitations in the phase diagram of BaFe $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Jonathan Pelliciari, Kenji Ishii, Yaobo Huang +12

Unconventional superconductivity arises at the border between the strong coupling regime with local magnetic moments and the weak coupling regime with itinerant electrons, and stem…

cond-mat.str-el2019★ 5 cited

Localized character of charge excitations for La $_{2 - x}$ Sr $_{x}$ NiO $_{4 + δ}$ revealed by oxygen $K$ -edge resonant inelastic X-ray scattering

Kohei Yamagami, Kenji Ishii, Yasuyuki Hirata +7

We performed a resonant inelastic X-ray scattering (RIXS) study of La $_{2 - x}$ Sr $_{x}$ NiO $_{4 + δ}$ (LSNO) at the oxygen $K$ edge to investigate the nature of the doped holes with reg…

Fluctuating magnetism of Co- and Cu-doped NaFeAs

Post-growth annealing effects on charge and spin excitations in Nd2−x​Cex​CuO4​

Distinct variation of electronic states due to annealing in La1.8​Eu0.2​CuO4​ and Nd2​CuO4​

Revisiting the phase diagram of T*-type La1−x/2​Eu1−x/2​Srx​CuO4​ using Oxygen K-edge X-ray absorption spectroscopy

Reciprocity between local moments and collective magnetic excitations in the phase diagram of BaFe2​(As1−x​Px​)2​

Localized character of charge excitations for La2−x​Srx​NiO4+δ​ revealed by oxygen K-edge resonant inelastic X-ray scattering

Post-growth annealing effects on charge and spin excitations in Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4}$

Distinct variation of electronic states due to annealing in La $_{1.8}$ Eu $_{0.2}$ CuO $_{4}$ and Nd $_{2}$ CuO $_{4}$

Revisiting the phase diagram of T*-type La $_{1 - x /2}$ Eu $_{1 - x /2}$ Sr $_{x}$ CuO $_{4}$ using Oxygen $K$ -edge X-ray absorption spectroscopy

Reciprocity between local moments and collective magnetic excitations in the phase diagram of BaFe $_{2}$ (As $_{1 - x}$ P $_{x}$ ) $_{2}$

Localized character of charge excitations for La $_{2 - x}$ Sr $_{x}$ NiO $_{4 + δ}$ revealed by oxygen $K$ -edge resonant inelastic X-ray scattering