activity
20112023
most citedOrthorhombic-to-Monoclinic Phase Transition of Ta2NiSe5 Induced by the Bose-Einstein Condensation of Excitons

191 citations · 468 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.mtrl-sci2023★ 1 cited

Photoemission orbital tomography based on tight-binding approach: method and application to -conjugated molecules

Misa Nozaki, Takehisa Konishi

Conventional photoemission orbital tomography based on Fourier iterative method enables us to extract a projected two-dimensional (2D) molecular orbital from a 2D photoelectron mom…

cond-mat.str-el2015★ 19 cited

Reversed Crystal-Field Splitting and Spin-Orbital Ordering in -SrCrO

T. Ishikawa, T. Toriyama, T. Konishi +2

The origin of successive phase transitions observed in the layered perovskite -SrCrO is studied by the density-functional-theory-based electronic structure calculation a…

cond-mat.str-el2015★ 11 cited

Novel Electronic Structures of Ru-Pnictides Ru ( = P, As, Sb)

H. Goto, T. Toriyama, T. Konishi +1

Density-functional-theory-based electronic structure calculations are made to consider the novel electronic states of Ru-pnictides RuP and RuAs where the intriguing phase transitio…

cond-mat.str-el2014★ 182 cited

Excitonic Bose-Einstein condensation in Ta2NiSe5 above room temperature

K. Seki, Y. Wakisaka, T. Kaneko +12

We show that finite temperature variational cluster approximation (VCA) calculations on an extended Falicov-Kimball model can reproduce angle-resolved photoemission spectroscopy (A…

cond-mat.supr-con2013★ 13 cited

Te 5p orbitals bring three-dimensional electronic structure to two-dimensional Ir0.95Pt0.05Te2

D. Ootsuki, T. Toriyama, M. Kobayashi +13

We have studied the nature of the three-dimensional multi-band electronic structure in the twodimensional triangular lattice Ir1-xPtxTe2 (x=0.05) superconductor using angle-resolve…

cond-mat.str-el2012★ 191 cited

Orthorhombic-to-Monoclinic Phase Transition of Ta2NiSe5 Induced by the Bose-Einstein Condensation of Excitons

T. Kaneko, T. Toriyama, T. Konishi +1

Using the band structure calculation and mean-field analysis of the derived three-chain Hubbard model with phonon degrees of freedom, we discuss the origin of the orthorhombic-to-m…

cond-mat.supr-con2011★ 51 cited

Potential antiferromagnetic fluctuations in hole-doped iron-pnictide superconductor Ba_{1-x}K_{x}Fe_{2}As_{2} studied by ^{75}As nuclear magnetic

Masanori Hirano, Yuji Yamada, Taku Saito +11

We have performed ^{75}As nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) on single crystalline Ba_{1-x}K_{x}Fe_{2}As_{2} for x = 0.27-1. ^{75}As nuclear qu…