activity
20152026
most citedUbiquitous formation of bulk Dirac cones and topological surface states from a single orbital manifold in transition-metal dichalcogenides

204 citations · 539 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2026

Universal Magnetoresistance Scaling in Layered Pd-based Multiband Metals Beyond Compensated Semimetal Regime

Kenjiro Okawa, Takao Sasagawa

We systematically investigated the magnetoresistance ratio (MR) of single-crystalline, nonmagnetic layered Pd-based metals, including centrosymmetric PdTe2, PdPb2, and beta-PdBi2 a…

cond-mat.supr-con2025★ 2 cited

Direct observation of the surface superconducting gap in the topological superconductor candidate β-PdBi2

Akifumi Mine, Takeshi Suzuki, Yigui Zhong +7

β-PdBi2 is one of the candidates for topological superconductors with a superconducting (SC) transition temperature (Tc) of 5.3 K, in which parity mixing of spin singlet and spin t…

cond-mat.mtrl-sci2019★ 19 cited

A general route to form topologically-protected surface and bulk Dirac fermions along high-symmetry lines

O. J. Clark, F. Mazzola, I. Marković +11

The band inversions that generate the topologically non-trivial band gaps of topological insulators and the isolated Dirac touching points of three-dimensional Dirac semimetals gen…

cond-mat.supr-con2017★ 139 cited

Fermiology and Superconductivity of Topological Surface States in PdTe

O. J. Clark, M. J. Neat, K. Okawa +15

We study the low-energy surface electronic structure of the transition-metal dichalcogenide superconductor PdTe by spin- and angle-resolved photoemission, scanning tunneling mi…

cond-mat.supr-con2017

Full-gap superconductivity in spin-polarized surface states of topological semimetal -PdBi

K. Iwaya, Y. Kohsaka, K. Okawa +4

A bulk superconductor possessing a topological surface state at the Fermi level is a promising system to realize long-sought topological superconductivity. Although several candida…

cond-mat.supr-con2017★ 27 cited

Probing the superconducting gap symmetry of -PdBi: A penetration depth study

S. Mitra, K. Okawa, S. Kunniniyil Sudheesh +3

We report measurements of the in-plane London penetration depth in single crystals of the -PdBi superconductor --- the -phase counterpart of the putative topologica…

cond-mat.mtrl-sci2017★ 204 cited

Ubiquitous formation of bulk Dirac cones and topological surface states from a single orbital manifold in transition-metal dichalcogenides

M. S. Bahramy, O. J. Clark, B. -J. Yang +23

Transition-metal dichalcogenides (TMDs) are renowned for their rich and varied properties. They range from metals and superconductors to strongly spin-orbit-coupled semiconductors…

cond-mat.mtrl-sci2015★ 148 cited

Topologically protected surface states in a centrosymmetric superconductor beta-PdBi2

M. Sakano, K. Okawa, M. Kanou +4

The topological aspects of electrons in solids emerge in realistic matters as represented by topological insulators. They are expected to show a variety of new magneto-electric phe…