Zobrazeno 1 - 10
of 316
pro vyhledávání: '"FUJIWARA, HIROKAZU"'
Autor:
Fujiwara, Hirokazu, Itoya, Yuki, Kobayashi, Masaharu, Bareille, Cédric, Shin, Shik, Taniuchi, Toshiyuki
Publikováno v:
App. Phys. Lett. 123, 173501 (2023)
HfO$_2$-based ferroelectrics are one of the most actively developed functional materials for memory devices. However, in HfO$_2$-based ferroelectric devices, dielectric breakdown is a main failure mechanism during repeated polarization switching. Elu
Externí odkaz:
http://arxiv.org/abs/2310.16275
Autor:
Fujiwara, Hirokazu, Terashima, Kensei, Otsuki, Junya, Takemori, Nayuta, Jeschke, Harald O., Wakita, Takanori, Yano, Yuko, Hosoda, Wataru, Kataoka, Noriyuki, Teruya, Atsushi, Kakihana, Masashi, Hedo, Masato, Nakama, Takao, Ōnuki, Yoshichika, Yaji, Koichiro, Harasawa, Ayumi, Kuroda, Kenta, Shin, Shik, Horiba, Koji, Kumigashira, Hiroshi, Muraoka, Yuji, Yokoya, Takayoshi
Publikováno v:
Physical Review B 106, 085114 (2022)
The spin-dependent band structure of CoS$_2$ which is a candidate for a half-metallic ferromagnet was investigated by both spin- and angle-resolved photoemission spectroscopy and theoretical calculations, in order to reappraise the half-metallicity a
Externí odkaz:
http://arxiv.org/abs/2310.07274
Autor:
Motegi, Haruhiko, Kufukihara, Kenji, Kitagawa, Satoshi, Sekiguchi, Koji, Hata, Junichi, Fujiwara, Hirokazu, Jinzaki, Masahiro, Okano, Hideyuki, Nakamura, Masaya, Iguchi, Yasuyuki, Nakahara, Jin
Publikováno v:
In Journal of the Neurological Sciences 15 January 2024 456
Akademický článek
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Autor:
Fujiwara, Hirokazu, Sunagawa, Masanori, Terashima, Kensei, Kittaka, Tomoko, Wakita, Takanori, Muraoka, Yuji, Yokoya, Takayoshi
Publikováno v:
J. Electron Spectrosc. Relat. Phenom. 220, 46 (2017)
We have investigated the electronic states and spin polarization of half-metallic ferromagnet CrO$_2$ (100) epitaxial films by bulk-sensitive spin-resolved photoemission spectroscopy with a focus on non-quasiparticle (NQP) states derived from electro
Externí odkaz:
http://arxiv.org/abs/1711.01781
Autor:
Arita, Yuki, Akita, Hirotaka, Fujiwara, Hirokazu, Hashimoto, Masahiro, Shigeta, Keisuke, Kwee, Thomas C., Yoshida, Soichiro, Kosaka, Takeo, Okuda, Shigeo, Oya, Mototsugu, Jinzaki, Masahiro
Publikováno v:
In European Journal of Radiology Open 2022 9
Akademický článek
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Autor:
Sunagawa, Masanori, Terashima, Kensei, Hamada, Takahiro, Fujiwara, Hirokazu, Fukura, Tetsushi, Takeda, Aya, Tanaka, Masashi, Takeya, Hiroyuki, Takano, Yoshihiko, Arita, Masashi, Shimada, Kenya, Namatame, Hirofumi, Taniguchi, Masaki, Suzuki, Katsuhiro, Usui, Hidetomo, Kuroki, Kazuhiko, Wakita, Takanori, Muraoka, Yuji, Yokoya, Takayoshi
Publikováno v:
J. Phys. Soc. Jpn. 85, 073704 (2016)
One of the ultimate goals of the study of iron-based superconductors is to identify the common feature that produces the high critical temperature (Tc). In the early days, based on a weak-coupling viewpoint, the nesting between hole- and electron-lik
Externí odkaz:
http://arxiv.org/abs/1606.02405
Autor:
Fujiwara, Hirokazu, Sunagawa, Masanori, Terashima, Kensei, Kittaka, Tomoko, Wakita, Takanori, Muraoka, Yuji, Yokoya, Takayoshi
We have performed bulk-sensitive spin-resolved photoemission spectroscopy in order to clarify the intrinsic spin-resolved electronic states of half-metallic ferromagnet CrO2. We used CrO2 epitaxial films on TiO2(100), which shows a peak at 1 eV with
Externí odkaz:
http://arxiv.org/abs/1505.04492
Autor:
Murase, Makoto, Mizutani, Katsuhiro, Kawata, Kento, Fujiwara, Hirokazu, Jinzaki, Masahiro, Toda, Masahiro *, Yoshida, Kazunari
Publikováno v:
In Clinical Neurology and Neurosurgery April 2020 191