Zobrazeno 1 - 10
of 165
pro vyhledávání: '"Atsutomo Nakamura"'
Publikováno v:
npj Computational Materials, Vol 10, Iss 1, Pp 1-15 (2024)
Abstract Dislocations in ceramics are increasingly recognized for their promising potential in applications such as toughening intrinsically brittle ceramics and tailoring functional properties. However, the atomistic simulation of dislocation plasti
Externí odkaz:
https://doaj.org/article/336767d7a4eb4c6dbebbc3c9a5e1d729
Autor:
Yutaka Ohno, Tatsuya Yokoi, Yasuo Shimizu, Jie Ren, Koji Inoue, Yasuyoshi Nagai, Kentaro Kutsukake, Kozo Fujiwara, Atsutomo Nakamura, Katsuyuki Matsunaga, Hideto Yoshida
Publikováno v:
Science and Technology of Advanced Materials: Methods, Vol 1, Iss 1, Pp 169-180 (2021)
Three-dimensional distribution of arsenic (As) dopants at Σ3{111}, Σ9{221}, Σ9{114}, and Σ9{111}/{115} grain boundaries (GBs) in silicon (Si) is examined by correlative analytical methods using atom probe tomography (APT) combined with low-temper
Externí odkaz:
https://doaj.org/article/736b04e76fed4f568e4c10bff799a116
Publikováno v:
Crystals, Vol 10, Iss 10, p 933 (2020)
Dislocation-based functionalities in inorganic ceramics and semiconductors are drawing increasing attention, contrasting the conventional belief that the majority of ceramic materials are brittle at room temperature. Understanding the dislocation beh
Externí odkaz:
https://doaj.org/article/88224ee377a74ce79a67fb5beaafe94d
Autor:
Kazuki Shitara, Hidenobu Murata, Kenji Watanabe, Chie Kojima, Yuki Sumida, Atsutomo Nakamura, Atsushi Nakahira, Isao Tanaka, Katsuyuki Matsunaga
Publikováno v:
Journal of Asian Ceramic Societies, Vol 2, Iss 1, Pp 64-67 (2014)
Hydroxyapatite (HAp) samples were synthesized by a solution reaction method followed by heat-treatments at three different temperatures. Special attention was given to optimizing the processing parameters to obtain the chemical composition near to th
Externí odkaz:
https://doaj.org/article/506184de018a4f29abbf14eb2c85b7e0
Publikováno v:
Crystals, Vol 8, Iss 3, p 133 (2018)
Alumina (α-Al2O3) is one of the representative high-temperature structural materials. Dislocations in alumina play an important role in its plastic deformation, and they have attracted much attention for many years. However, little is known about th
Externí odkaz:
https://doaj.org/article/8c20e64d4b7d4dbe845bb4a19225b918
Autor:
Atsutomo Nakamura, Eita Tochigi, Ryota Nagahara, Yuho Furushima, Yu Oshima, Yuichi Ikuhara, Tatsuya Yokoi, Katsuyuki Matsunaga
Publikováno v:
Crystals, Vol 8, Iss 3, p 127 (2018)
Basal dislocations having a Burgers vector of 1/3 in zinc oxide (ZnO) with the wurtzite structure are known to strongly affect physical properties in bulk. However, the core structure of the basal dislocation remains unclear. In the present study, Zn
Externí odkaz:
https://doaj.org/article/3d8eb279d5de4d6eb741cf9c6741d0b4
Autor:
Atsutomo Nakamura, Kensuke Yasufuku, Yuho Furushima, Kazuaki Toyoura, K. Peter D. Lagerlöf, Katsuyuki Matsunaga
Publikováno v:
Crystals, Vol 7, Iss 11, p 351 (2017)
Oxide materials have the potential to exhibit superior mechanical properties in terms of high yield point, high melting point, and high chemical stability. Despite this, they are not widely used as a structural material due to their brittle nature. H
Externí odkaz:
https://doaj.org/article/c92c5c0c04964edcbfbfed5d565af584
Autor:
Yan Li, Xufei Fang, Eita Tochigi, Yu Oshima, Sena Hoshino, Takazumi Tanaka, Hiroto Oguri, Shigenobu Ogata, Yuichi Ikuhara, Katsuyuki Matsunaga, Atsutomo Nakamura
Publikováno v:
Journal of Materials Science & Technology. 156:206-216
Autor:
Yu Ogura, Atsutomo Nakamura, Tatsuya Kameyama, Yasuyoshi Kurokawa, Eita Tochigi, Naoya Shibata, Tsukasa Torimoto, Sena Hoshino, Tatsuya Yokoi, Katsuyuki Matsunaga
Publikováno v:
Journal of the American Ceramic Society; Apr2024, Vol. 107 Issue 4, p2040-2047, 8p
Autor:
Shunsuke Kayukawa, Yutaro Katsuyama, Ayu Kodaira, Tomoharu Tokunaga, Koji Morita, Atsutomo Nakamura, Kimitaka Higuchi, Takahisa Yamamoto
Publikováno v:
Journal of the European Ceramic Society. 43:1078-1086