Zobrazeno 1 - 10
of 277
pro vyhledávání: '"Tomoteru Fukumura"'
Autor:
Tappei Kawakami, Katsuaki Sugawara, Hirofumi Oka, Kosuke Nakayama, Ken Yaegashi, Seigo Souma, Takashi Takahashi, Tomoteru Fukumura, Takafumi Sato
Publikováno v:
npj 2D Materials and Applications, Vol 7, Iss 1, Pp 1-9 (2023)
Abstract Fermi-surface (FS) nesting originating from Peierls’ idea of electronic instabilities in one-dimensional materials is a key concept to stabilize charge-density wave (CDW), whereas its applicability to two-dimensional (2D) materials is unde
Externí odkaz:
https://doaj.org/article/a63f8c5a2a7a4e58bd416305952e73ed
Autor:
Yasuaki Saruta, Katsuaki Sugawara, Hirofumi Oka, Tappei Kawakami, Takemi Kato, Kosuke Nakayama, Seigo Souma, Takashi Takahashi, Tomoteru Fukumura, Takafumi Sato
Publikováno v:
Advanced Science, Vol 10, Iss 34, Pp n/a-n/a (2023)
Abstract 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, as highlighted by the discovery o
Externí odkaz:
https://doaj.org/article/fecf872ce6004f90aa520326fad8263b
Publikováno v:
Advanced Science, Vol 10, Iss 31, Pp n/a-n/a (2023)
Abstract Reversible switching of room‐temperature electrical resistivity due to crystal‐amorphous transition is demonstrated in various chalcogenides for development of non‐volatile phase change memory. However, such reversible thermal switchin
Externí odkaz:
https://doaj.org/article/debcf935b17f446890afc69463e0e1b5
Autor:
Yongbing Shen, Mengxing Cui, Shinya Takaishi, Hideyuki Kawasoko, Kunihisa Sugimoto, Takao Tsumuraya, Akihiro Otsuka, Eunsang Kwon, Takefumi Yoshida, Norihisa Hoshino, Kazuhiko Kawachi, Yasuhiko Kasama, Tomoyuki Akutagawa, Tomoteru Fukumura, Masahiro Yamashita
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Conductive and magnetically frustrated solids may enable the development of high-performance molecule-based spintronic devices. Here the authors report a conductive and magnetically frustrated metal–fullerene-bonded framework prepared from a redox-
Externí odkaz:
https://doaj.org/article/cc51c3ed87674180a95204f146749187
Publikováno v:
Communications Physics, Vol 4, Iss 1, Pp 1-8 (2021)
Anderson localisation is a well-known phenomenon in condensed-matter physics, which is driven by disorder and can be an important factor in the low-temperature properties for a wide range of systems. Here, the authors describe how a metal-insulator t
Externí odkaz:
https://doaj.org/article/cb939bec29884321a1fc437a90d63a59
Autor:
Yuki Nakata, Katsuaki Sugawara, Ashish Chainani, Hirofumi Oka, Changhua Bao, Shaohua Zhou, Pei-Yu Chuang, Cheng-Maw Cheng, Tappei Kawakami, Yasuaki Saruta, Tomoteru Fukumura, Shuyun Zhou, Takashi Takahashi, Takafumi Sato
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)
Monolayer transition metal dechalcogenides are a promising platform to study the interplay of low-dimensionality and electron correlations. Here, the authors report a Mott insulator state in monolayer 1T-TaSe2, that survives far above room temperatur
Externí odkaz:
https://doaj.org/article/a9f838660dbb4828873bdd831de6eb96
Autor:
Hideyuki Kawasoko, Tomoteru Fukumura
Publikováno v:
iScience, Vol 25, Iss 8, Pp 104742- (2022)
Summary: Layered compounds have shown rich physical properties such as high-temperature superconductivity. Recently, monatomic honeycomb lattice systems, such as graphene, have been studied extensively, whereas monatomic pnictogen square nets in laye
Externí odkaz:
https://doaj.org/article/7118db375d49400db0e1d03b2435a1b5
Publikováno v:
ACS Omega, Vol 3, Iss 10, Pp 12501-12504 (2018)
Externí odkaz:
https://doaj.org/article/1056f2f1d0484360ad51716ee9ee3ed6
Autor:
Hideyuki Kawasoko, Kenji Ohoyama, Ryosuke Sei, Kota Matsumoto, Daichi Oka, Akinori Hoshikawa, Toru Ishigaki, Tomoteru Fukumura
Publikováno v:
AIP Advances, Vol 9, Iss 11, Pp 115301-115301-4 (2019)
In this study, magnetization and neutron diffraction of anti-ThCr2Si2-type Tb2O2Bi polycrystals were measured at various temperatures. The magnetization cusp at 11.1 K was confirmed to correspond to antiferromagnetic ordering with a propagation vecto
Externí odkaz:
https://doaj.org/article/95d04f0dc7304256b4e683fbca3d17ca
Publikováno v:
AIP Advances, Vol 6, Iss 5, Pp 055802-055802-5 (2016)
Curie temperature (TC) of anatase Co-doped TiO2 epitaxial thin films was systematically investigated as functions of carrier density (n) and Co content (x) by electrical transport and magnetization measurements at low temperature regime. The estimate
Externí odkaz:
https://doaj.org/article/343070388f1f47e79e3e145b8b1adca3