Katsuaki Sugawara
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Explore the profile of Katsuaki Sugawara including associated specialties, affiliations and a list of published articles.
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Articles
22
Citations
137
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Recent Articles
1.
Yaegashi K, Sugawara K, Takahashi T, Sato T
J Phys Condens Matter
. 2025 Jan;
37(13).
PMID: 39819631
Monolayer atomic thin films of group-V elements have a high potential for application in spintronics and valleytronics because of their unique crystal structure and strong spin-orbit coupling. We fabricated Sb...
2.
Yaegashi K, Sugawara K, Takahashi T, Sato T
J Phys Condens Matter
. 2025 Jan;
PMID: 39805226
Monolayer atomic thin films of group-V elements have a high potential for application in spintronics and valleytronics because of their unique crystal structure and strong spin-orbit coupling. We fabricated Sb...
3.
Quasi-Homoepitaxial Growth of Highly Strained Alkali-Metal Ultrathin Films on Kagome Superconductors
Kato T, Nakayama K, Li Y, Wang Z, Sugawara K, Tanaka K, et al.
Adv Sci (Weinh)
. 2024 Jun;
11(29):e2309003.
PMID: 38828764
Applying lattice strain to thin films, a critical factor to tailor their properties such as stabilizing a structural phase unstable at ambient pressure, generally necessitates heteroepitaxial growth to control the...
4.
Saruta Y, Sugawara K, Oka H, Kawakami T, Kato T, Nakayama K, et al.
Adv Sci (Weinh)
. 2023 Oct;
10(34):e2304461.
PMID: 37867224
A current key challenge in 2D materials is the realization of emergent quantum phenomena in hetero structures via controlling the moiré potential created by the periodicity mismatch between adjacent layers,...
5.
Sugawara K, Kusaka H, Kawakami T, Yanagizawa K, Honma A, Souma S, et al.
Nano Lett
. 2023 Feb;
23(5):1673-1679.
PMID: 36849129
Boron-based two-dimensional (2D) materials are an excellent platform for nanoelectronics applications. Rhombohedral boron monosulfide (r-BS) is attracting particular attention because of its unique layered crystal structure suitable for exploring various...
6.
Yaegashi K, Sugawara K, Kato T, Takahashi T, Sato T
Langmuir
. 2022 Oct;
38(44):13401-13406.
PMID: 36307095
Nanomaterials based on monoatomic bismuth (Bi) are attracting particular attention because they are candidates of two-dimensional (2D) topological insulators and Rashba metals useful for spintronic applications. We report convenient selective...
7.
Tanabe Y, Ito Y, Sugawara K, Jeong S, Ohto T, Nishiuchi T, et al.
Adv Mater
. 2022 Oct;
34(51):e2205986.
PMID: 36208073
Nitrogen (N) doping is one of the most effective approaches to tailor the chemical and physical properties of graphene. By the interplay between N dopants and 3D curvature of graphene...
8.
Kitamura M, Souma S, Honma A, Wakabayashi D, Tanaka H, Toyoshima A, et al.
Rev Sci Instrum
. 2022 Apr;
93(3):033906.
PMID: 35364976
Angle-resolved photoemission spectroscopy using a micro-focused beam spot [micro-angle-resolved photoemission spectroscopy (ARPES)] is becoming a powerful tool to elucidate key electronic states of exotic quantum materials. We have developed a...
9.
Takane D, Kubota Y, Nakayama K, Kawakami T, Yamauchi K, Souma S, et al.
Sci Rep
. 2021 Nov;
11(1):21937.
PMID: 34754019
Topological Dirac semimetals (TDSs) offer an excellent opportunity to realize outstanding physical properties distinct from those of topological insulators. Since TDSs verified so far have their own problems such as...
10.
Nakata Y, Sugawara K, Chainani A, Oka H, Bao C, Zhou S, et al.
Nat Commun
. 2021 Oct;
12(1):5873.
PMID: 34620875
Combination of low-dimensionality and electron correlation is vital for exotic quantum phenomena such as the Mott-insulating phase and high-temperature superconductivity. Transition-metal dichalcogenide (TMD) 1T-TaS has evoked great interest owing to...