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Kenya Shimada

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Articles 36
Citations 170
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Recent Articles
1.
Gao J, Cao H, Hu X, Zhou H, Cai Z, Zhao Q, et al.
Phys Rev Lett . 2025 Mar; 134(8):086202. PMID: 40085901
Flat-band materials have garnered extensive attention due to their captivating properties associated with strong correlation effects. While flat bands have been discovered in several types of 2D materials, their existence...
2.
Komesu T, Zhang Y, Kumar S, Kumar A, Miyai Y, Shimada K, et al.
J Phys Condens Matter . 2025 Mar; PMID: 40064107
We report evidence of a finite density of states at the Fermi level at the surface of epitaxial thin films of the narrow bandgap Mott insulator SrIrO(001). The Brillouin zone...
3.
Miyai Y, Ishida S, Ozawa K, Yoshida Y, Eisaki H, Shimada K, et al.
Sci Technol Adv Mater . 2024 Nov; 25(1):2379238. PMID: 39559527
Electronic inhomogeneity arises ubiquitously as a consequence of adjacent and/or competing multiple phases or orders in strongly correlated electron systems. Gap inhomogeneity in high- cuprate superconductors has been widely observed...
4.
Zeng M, Zhu M, Zhu Y, Liu X, Ma X, Hao Y, et al.
Adv Sci (Weinh) . 2024 Sep; 11(43):e2406529. PMID: 39303163
Recently, unconventional antiferromagnets that enable the spin splitting (SS) of electronic states have been theoretically proposed and experimentally realized, where the magnetic sublattices containing moments pointing at different directions are...
5.
Cai Z, Cao H, Sheng H, Hu X, Sun Z, Zhao Q, et al.
Nano Lett . 2024 Aug; 24(33):10237-10243. PMID: 39092903
The Weyl semimetals represent a distinct category of topological materials wherein the low-energy excitations appear as the long-sought Weyl Fermions. Exotic transport and optical properties are expected because of the...
6.
Estyunina T, Shikin A, Estyunin D, Eryzhenkov A, Klimovskikh I, Bokai K, et al.
Nanomaterials (Basel) . 2023 Jul; 13(14). PMID: 37513162
One of the approaches to manipulate MnBi2Te4 properties is the magnetic dilution, which inevitably affects the interplay of magnetism and band topology in the system. In this work, we carried...
7.
Sun Z, Zhou H, Wang C, Kumar S, Geng D, Yue S, et al.
Nano Lett . 2022 May; 22(11):4596-4602. PMID: 35536689
The destructive interference of wavefunctions in a kagome lattice can give rise to topological flat bands (TFBs) with a highly degenerate state of electrons. Recently, TFBs have been observed in...
8.
Yue S, Zhou H, Feng Y, Wang Y, Sun Z, Geng D, et al.
Nano Lett . 2022 Jan; 22(2):695-701. PMID: 35029399
Dirac materials, which feature Dirac cones in the reciprocal space, have been one of the hottest topics in condensed matter physics in the past decade. To date, 2D and 3D...
9.
Dhingra A, Komesu T, Kumar S, Shimada K, Zhang L, Hong X, et al.
Mater Horiz . 2021 Nov; 8(8):2151-2168. PMID: 34846422
In this review, an attempt has been made to compare the electronic structures of various 5d iridates (iridium oxides), with an effort to note the common features and differences. Both...
10.
Zhang K, Zhao S, Hao Z, Kumar S, Schwier E, Zhang Y, et al.
Phys Rev Lett . 2021 Oct; 127(12):126402. PMID: 34597091
The spin polarization in nonmagnetic materials is conventionally attributed to the outcome of spin-orbit coupling when the global inversion symmetry is broken. The recently discovered hidden spin polarization indicates that...