Výsledky vyhledávání - "Stephane Yu Matsushita"

Large negative magnetoresistance in the antiferromagnet BaMn2Bi2

Autor: Katsumi Tanigaki, Masayuki Hagiwara, Motoi Kimata, Takanori Kida, Denis Arčon, Time Tahara, Takuma Ogasawara, Kim Khuong Huynh, Kazumasa Nagata, Stephane Yu Matsushita

Publikováno v: Physical Review B. 103

A very large negative magnetoresistance (LNMR) is observed in the insulating regime of the antiferromagnet ${\mathrm{BaMn}}_{2}{\mathrm{Bi}}_{2}$ when a magnetic field is applied perpendicular to the direction of the sublattice magnetization. A high

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d6baa42f4ccb8581bd78326922d5397
https://doi.org/10.1103/physrevb.103.125108

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Large-proximity-induced anomalous Hall effect in Bi2−xSbxTe3−ySey/Cr2Ge2Te6 heterostructure prepared by film transfer method

Autor: Kim Khuong Huynh, Katsumi Tanigaki, Xing Chen Pan, Stephane Yu Matsushita, Kazumasa Nagata

Publikováno v: Physical Review Materials. 5

The magnetic proximity effect is one of the powerful approaches to realize quantum anomalous Hall effect in topological insulators (TIs) targeting at high temperatures. Various TI/ferromagnetic-insulator (FMI) heterostructures have extensively been i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1afb3f128e9574244212bcc01e7b6494
https://doi.org/10.1103/physrevmaterials.5.024208

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Large thermopower in topological surface state of Sn-BSTS topological insulators: Thermoelectrics and energy-dependent relaxation times

Autor: Stephane Yu Matsushita, Katsumi Tanigaki, Khuong Kim Huynh, Kakeru Ichimura

Publikováno v: Physical Review Materials. 5

Topological surface Dirac states (TSDSs) generated in three-dimensional topological insulators (3D-TIs) are currently of significant interest for new science and advanced technologies. In contrast to many other thermoelectric materials, 3D-TIs exhibi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5143639b8aaec3d1b5aba3f28b232cbf
https://doi.org/10.1103/physrevmaterials.5.014205

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Akademický článek

Effects of the deposition rate on growth modes of Ag islands on the hydrogen-terminated Si(111)-(1×1) surface: The role of surface energy and quantum size effect.

Autor: Jungmin Kang, Toyoaki Eguchi, Erina Kawamoto, Stephane Yu Matsushita, Kenya Haga, Shino Kanagawa, Wawro, Andrzej, Czajka, Ryszard, Hiroki Kato, Shozo Suto

Publikováno v: Journal of Applied Physics; 2017, Vol. 122 Issue 9, p1-7, 7p, 4 Color Photographs, 1 Black and White Photograph, 1 Diagram, 1 Chart, 2 Graphs

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Ultrathin films of three-dimensional topological insulators by vapor-phase epitaxy: Surface dominant transport in a wide temperature range as revealed by measurements of the Seebeck effect

Autor: Kim Khuong Huynh, Stephane Yu Matsushita, Katsumi Tanigaki

Publikováno v: Physical Review B. 99

Realization of intrinsic surface dominant transport in a wide temperature region for topological insulators (TIs) is an important frontier research to promote the progress of TIs toward future electronics. We report here systematic measurements of lo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0eff75d3a20ea8160d8bfa5a75f80ea
https://doi.org/10.1103/physrevb.99.195302

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Negative and positive magnetoresistance in the itinerant antiferromagnet BaMn2Pn2 ( Pn = P, As, Sb, and Bi)

Autor: Masayuki Hagiwara, Denis Arčon, Takanori Kida, Takuma Ogasawara, Time Tahara, Yoichi Tanabe, Keita Kitahara, Kim Khuong Huynh, Katsumi Tanigaki, Stephane Yu Matsushita

Publikováno v: Physical Review B. 99

We report the discovery of a large-magnetoresistance (LMR) phenomenon in a family of ${\mathrm{BaMn}}_{2}{Pn}_{2}$ antiferromagnets ($Pn$ = P, As, Sb, and Bi) with parity-time symmetry. The resistivities of these materials are reduced by 60 times in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a83e12e9b741a5eb99b943791cd1524
https://doi.org/10.1103/physrevb.99.195111

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Anisotropic surface phonon dispersion of a deuterium-terminated Si(110)-(1 × 1) surface studied by high-resolution electron-energy-loss spectroscopy and first-principles calculations: Isotope effect

Autor: Kazuyuki Watanabe, Kenya Haga, Shozo Suto, Erina Kawamoto, Taro Yamada, Yuta Okada, Stephane Yu Matsushita, Chunping Hu

Publikováno v: Surface Science. 692:121527

The surface phonon dispersion of a deuterium-terminated Si(110)-(1 × 1) surface [D:Si(110)-(1 × 1)] is investigated by using high-resolution electron-energy-loss spectroscopy (HREELS) and first-principles calculations based on the density functiona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e01d33e19c27fded40834a879da8554c
https://doi.org/10.1016/j.susc.2019.121527

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Morphology and atomic structure of hydrogen-terminated Si(110)-(1 × 1) surfaces prepared by a wet chemical process

Autor: Erina Kawamoto, Kenya Haga, Shozo Suto, Taro Yamada, Stephane Yu Matsushita

Publikováno v: Surface Science. 632:135-141

We have measured the macroscopic and microscopic surface morphology of hydrogen-terminated Si(110)-(1 × 1) [H:Si(110)-(1 × 1)] surfaces prepared by an improved wet chemical process. The observations were performed by high-resolution electron-energy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c345aa04e887f454f23cdd90977d554d
https://doi.org/10.1016/j.susc.2014.10.003

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Akademický článek

Anisotropic surface phonon dispersion of the hydrogen-terminated Si(110)-(1×1) surface: One-dimensional phonons propagating along the glide planes.

Autor: Stephane Yu Matsushita, Kazuki Matsui, Hiroki Kato, Taro Yamada, Shozo Suto

Publikováno v: Journal of Chemical Physics; 3/14/2014, Vol. 140 Issue 10, p1-8, 8p, 2 Diagrams, 6 Graphs

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