activity
20012023
most citedEvidence for structural and electronic instabilities at intermediate temperatures in -(BEDT-TTF)X for X=Cu[N(CN)]Cl, Cu[N(CN)]Br and Cu(NCS): Implications for the phase diagram of these quasi-2D organic superconductors

148 citations · 482 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.str-el2023★ 7 cited

Field-induced magnetic structures in the chiral polar antiferromagnet NiInSbO

Y. Ihara, R. Hiyoshi, M. Shimohashi +6

We have performed In-NMR spectroscopy for NiInSbO with corundum-related crystal structure to reveal magnetic structures that develop in high magnetic fields. At l…

cond-mat.str-el2023★ 16 cited

Anomalous vortex dynamics in spin-triplet superconductor UTe

Y. Tokiwa, H. Sakai. S. Kambe, P. Opletal +7

The vortex dynamics in the spin-triplet superconductor, UTe, are studied by measuring the DC electrical resistivity with currents along the -axis under magnetic fields along…

cond-mat.supr-con2022★ 4 cited

Self-reconstruction of order parameter in spin-triplet superconductor UTe

Y. Tokiwa, P. Opletal, H. Sakai +10

We investigate the effect of easy-axis metamagnetic crossover on superconductivity in UTe along the -axis through measurements of AC susceptibility, magnetization, and the m…

cond-mat.supr-con2022★ 41 cited

Field Induced Multiple Superconducting Phases in UTe2 along Hard Magnetic Axis

H. Sakai, Y. Tokiwa, P. Opletal +7

The superconducting (SC) phase diagram in uranium ditelluride is explored under magnetic fields () along the hard magnetic b-axis using a high-quality single crystal with $T_{\r…

cond-mat.supr-con2022★ 43 cited

Change of superconducting character in UTe2induced by magnetic field

K. Kinjo, H. Fujibayashi, S. Kitagawa +13

UTe2 is a recently discovered spin-triplet superconductor. One of the characteristic features of UTe2 is a magnetic field (H)-boosted superconductivity above 16 T when H is applied…

cond-mat.supr-con2014★ 120 cited

High-energy spin and charge excitations in electron-doped copper oxide superconductors

K. Ishii, M. Fujita, T. Sasaki +15

The evolution of electronic (spin and charge) excitations upon carrier doping is an extremely important issue in superconducting layered cuprates and the knowledge of its asymmetry…