Výsledky vyhledávání

Silica gel-induced aryne generation from o-triazenylarylboronic acids as stable solid precursors

Autor: Motoki Ito, Mio Oikawa, Shigeo Sugiyama, Emi Kano, Kazuhiro Higuchi, Yuka Yamabayashi

Publikováno v: Organic Chemistry Frontiers. 8:2963-2969

We report the development of o-triazenylarylboronic acids as new aniline-based aryne precursors. The readily available and shelf-stable solid precursors generate (hetero)arynes under remarkably mild conditions using silica gel as the sole reagent, wh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7feed572621f44327b07c71700cee29
https://doi.org/10.1039/d1qo00385b

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Two-Dimensional CuO Inside the Supportive Bilayer Graphene Matrix

Autor: Emi Kano, Seiji Sakai, Hiroshi Naramoto, A. Hashimoto, Dmitry G. Kvashnin, Alexander G. Kvashnin, Pavel B. Sorokin, Masaki Takeguchi

Publikováno v: The Journal of Physical Chemistry C. 123:17459-17465

New two-dimensional (2D) copper monoxide located at the pore in a bilayer graphene matrix is investigated in both theoretical and experimental ways. Strict analysis of the lattice stability with re...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ecbcb1858e9d3a08233c793672cec0cb
https://doi.org/10.1021/acs.jpcc.9b05353

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Atomic resolution analysis of extended defects and Mg agglomeration in Mg-ion-implanted GaN and their impacts on acceptor formation

Autor: Emi Kano, Keita Kataoka, Jun Uzuhashi, Kenta Chokawa, Hideki Sakurai, Akira Uedono, Tetsuo Narita, Kacper Sierakowski, Michal Bockowski, Ritsuo Otsuki, Koki Kobayashi, Yuta Itoh, Masahiro Nagao, Tadakatsu Ohkubo, Kazuhiro Hono, Jun Suda, Tetsu Kachi, Nobuyuki Ikarashi

Publikováno v: Journal of Applied Physics. 132:065703

We carried out atomic-scale observations of Mg-ion-implanted GaN by transmission electron microscopy (TEM) and atom probe tomography (APT) to clarify the crystallographic structures of extended defects and Mg agglomerations that form during post-impl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::652599c996391501128c6e6649530cd0
https://doi.org/10.1063/5.0097866

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Phase plates in the transmission electron microscope: Operating principles and applications

Autor: Marco Beleggia, Misa Hayashida, Marek Malac, Simon Hettler, Emi Kano, Ray F. Egerton

Publikováno v: Zaguán: Repositorio Digital de la Universidad de Zaragoza
Universidad de Zaragoza
Digital.CSIC. Repositorio Institucional del CSIC
instname
Zaguán. Repositorio Digital de la Universidad de Zaragoza

In this paper, we review the current state of phase plate imaging in a transmission electron microscope. We focus especially on the hole-free phase plate design, also referred to as the Volta phase plate. We discuss the implementation, operating prin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0b515982851e52beea3ea2241b83867
https://hdl.handle.net/11380/1270645

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Elucidation of PVD MoS2 film formation process and its structure focusing on sub-monolayer region

Autor: Ryo Ono, Shinya Imai, Yuta Kusama, Takuya Hamada, Masaya Hamada, Iriya Muneta, Kuniyuki Kakushima, Kazuo Tsutsui, Emi Kano, Nobuyuki Ikarashi, Hitoshi Wakabayashi

Publikováno v: Japanese Journal of Applied Physics. 61:SC1023

Sputtering enables uniform and clean deposition over a large area, which is an issue with exfoliation and chemical vapor deposition methods. On the other hand, the process of physical vapor deposition (PVD) film formation has not yet been clarified.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3533ce6b5fafde7128d7006a29382f3c
https://doi.org/10.35848/1347-4065/ac3fc9

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Effect of beam current on defect formation by high-temperature implantation of Mg ions into GaN

Autor: Yuta Itoh, Hirotaka Watanabe, Yuto Ando, Emi Kano, Manato Deki, Shugo Nitta, Yoshio Honda, Atsushi Tanaka, Nobuyuki Ikarashi, Hiroshi Amano

Publikováno v: Applied Physics Express. 15:021003

We evaluated the beam current dependence of defect formation during Mg ion implantation into GaN at a high temperature of 1100 °C with two beam currents. Photoluminescence spectra suggest that low-beam-current implantation reduced the vacancy concen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f9a2dce7f9506c49940b6374c51f40d
https://doi.org/10.35848/1882-0786/ac481b

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Enhanced activation of Mg ion-implanted GaN at decreasing annealing temperature by prolonging duration

Autor: Jun Suda, Hideki Sakurai, Kacper Sierakowski, Emi Kano, Masahiro Nagao, Nobuyuki Ikarashi, Tetsu Kachi, Keita Kataoka, Shigeo Arai, Michal Bockowski, Takuya Nakashima, Tetsuo Narita

Publikováno v: Applied Physics Express. 14:011005

Defect time-evolution was investigated in Mg ion-implanted GaN after annealing at 1573 K for an unprecedentedly long duration. Transmission electron microscopy directly revealed that annealing for over 30 min reduced defects inhibiting Mg activation,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb6d064c0513ae95f872de7c9e2a23ea
https://doi.org/10.35848/1882-0786/abd308

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Grain structures of nitrogen-doped graphene synthesized by solid source-based chemical vapor deposition

Autor: Ayako Hashimoto, Sachin M. Shinde, Masaki Tanemura, Golap Kalita, Emi Kano, Masaki Takeguchi

Publikováno v: Carbon. 96:448-453

Doping of a foreign element in sp 2 hybridized graphene lattice is of significant importance to tune the electrical and chemical properties. Here, we report on the grain structures of substitutional nitrogen-doped graphene synthesized by an atmospher

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8dae2a826b90a998bd902c8b5ead509b
https://doi.org/10.1016/j.carbon.2015.09.086

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Toward quantitative bright field TEM imaging of ultra thin samples

Autor: Toshie Yaguchi, Takashi Fujii, Emi Kano, Marek Malac, Ray F. Egerton, Misa Hayashida

Two dimensional (2D) materials, such as graphene and transition metal dichalcogenides, are of potential interest from both exploratory research and application perspectives. Here we discuss the potential of bright field transmission electron microsco

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8fb664cafa5aa1626993a2465ca57eb3
https://nrc-publications.canada.ca/eng/view/object/?id=dc6f5dec-8a2d-4c1c-a1b3-b73ede3cfd96

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