Takayoshi Sasaki

Publication List Details

Period

1998 - 2009

Number

16

Co-Authors

Morphology and chemical composition analysis of inorganic nanosheets by the field-emission scanning electron microscope system (2009)

Li, Qinghui, Ono, Yuki, Homma, Yoshikazu, Nakai, Izumi, Fukuda, Katsutoshi, Sasaki, Takayoshi, ...

Nanosheets can be used as building blocks to fabricate versatile nanostructured materials. In this paper, morphology of the Cs4W11O36 and Nb3O8 and TaO3 sheets with different layers are analyzed by...

$^{17}$O NMR Measurements on Superconducting Na$_{0.35}$CoO$_{2} \cdot y$H$_{2}$O (2005)

Ihara, Yoshihiko, Ishida, Kenji, Yoshimura, Kazuyoshi, Takada, Kazunori, Sasaki, Takayoshi, Sakurai, Hiroya, ...

An $^{17}$O NMR measurement was performed on nonoriented polycrystalline Na$_{0.35}$CoO$_2 \cdot y$H$_2$O with superconducting (SC) transition temperature $T_\text{c} = 4.6$ K. A weak temperature...

Ultrathin Films and Hollow Shells with Pillared Architectures Fabricated via Layer-by-Layer Self-Assembly of Titania Nanosheets and Aluminum Keggin Ions (2004)

Lianzhou Wang, Yasuo Ebina, Kazunori Takada, Takayoshi Sasaki

As the first author, I designed and conducted this work to demonstrate the success in very complicated functional nanostructures fabrication using a rational self-assembly method. The resulting TiO2...

Ultrathin Films and Hollow Shells with Pillared Architectures Fabricated via Layer-by-Layer Self-Assembly of Titania Nanosheets and Aluminum Keggin Ions (2004)

Lianzhou Wang, Yasuo Ebina, Kazunori Takada, Takayoshi Sasaki

As the first author, I designed and conducted this work to demonstrate the success in very complicated functional nanostructures fabrication using a rational self-assembly method. The resulting TiO2...

Possible unconventional superconductivity in Na$_x$CoO$_2$yH$_2$O probed by $\mu$SR (2003)

Higemoto, Wataru, Ohishi, Kazuki, Koda, Akihiro, Kadono, Ryosuke, Ishida, Kenji, Takada, Kazunori, ...

The superconducting property of recently discovered sodium cobalt oxyhydrate, Na$_{0.35}$CoO$_2$1.3H$_2$O ($T_c=4.5$ K), has been studied by means of muon spin rotation/relaxation ($\mu$SR) down to 2...

Fabrication and Characterization of Multilayer Ultrathin Films of Exfoliated MnO2 Nanosheets and Polycations (2003)

Lianzhou Wang, Yoshitomo Omomo, Nobuyuki Sakai,, Katsutoshi Fukuda, Izumi Nakai, Yasuo Ebina, ...

This was the first journal paper to demonstrate the self-assembly of MnO2 thin film in sub- to nano-meter scale. The electrochemical study of the MnO2 ultrathin film was proved to be very promising...

Unconventional Upper- and Lower-Critical Fields and Normal-State Magnetic Susceptibility of the Novel Superconducting Compound $Na_{0.35} Co O_2 \cdot 1.3 H_2O$ (2003)

Sakurai, Hiroya, Takada, Kazunori, Yoshii, Shunsuke, Sasaki, Takayoshi, Kindo, Koichi, Takayama-Muromachi, Eiji

Magnetic properties of the novel layered superconductor, Na$_{0.35}$CoO$_{2}$$\cdot$1.3H$_{2}$O have been investigated. From the temperature dependence and field dependence of the magnetization, the...

Redoxable Nanosheet Crystallites of MnO2 Derived via Delamination of a Layered Manganese Oxide (2003)

Yoshitomo Omomo, Takayoshi Sasaki, Lianzhou Wang, Mamoru Watanabe

This work represents a significant advance in the modification of layered MnO2 materials (a very important electrode material for battery and capacitor applications), which has been published in...

Fabrication and Characterization of Multilayer Ultrathin Films of Exfoliated MnO2 Nanosheets and Polycations (2003)

Lianzhou Wang, Yoshitomo Omomo, Nobuyuki Sakai,, Katsutoshi Fukuda, Izumi Nakai, Yasuo Ebina, ...

This was the first journal paper to demonstrate the self-assembly of MnO2 thin film in sub- to nano-meter scale. The electrochemical study of the MnO2 ultrathin film was proved to be very promising...

Redoxable Nanosheet Crystallites of MnO2 Derived via Delamination of a Layered Manganese Oxide (2003)

Yoshitomo Omomo, Takayoshi Sasaki, Lianzhou Wang, Mamoru Watanabe

This work represents a significant advance in the modification of layered MnO2 materials (a very important electrode material for battery and capacitor applications), which has been published in...

Redoxable nanosheet crystallites of MnO2 derived via delamination of a layered manganese oxide (2003)

Omomo, Yoshitomo, Sasaki, Takayoshi, Wang, Lianzhou, Watanabe, Mamoru

This paper reports on the swelling and exfoliation behavior of a layered protonic manganese oxide, H0.13MnO2.0.7H(2)O, in a solution of tetrabutylammonium (TBA) hydroxide and the formation and...

Fabrication and characterization of multilayer ultrathin films of exfoliated MnO2 nanosheets and polycations (2003)

Wang, Lianzhou, Omomo, Yoshitomo, Sakai, Nobuyuki, Fukuda, Katsutoshi, Nakai, Izumi, Ebina, Yasuo, ...

Multilayer ultrathin films composed of exfoliated nanosheets of manganese oxide and poly(diallyldimethylammonium) (PDDA) ions have been fabricated onto various substrates via electrostatic...

Redoxable nanosheet crystallites of MnO2 derived via delamination of a layered manganese oxide (2003)

Omomo, Yoshitomo, Sasaki, Takayoshi, Wang, Lianzhou, Watanabe, Mamoru

This paper reports on the swelling and exfoliation behavior of a layered protonic manganese oxide, H0.13MnO2.0.7H(2)O, in a solution of tetrabutylammonium (TBA) hydroxide and the formation and...

Fabrication and characterization of multilayer ultrathin films of exfoliated MnO2 nanosheets and polycations (2003)

Wang, Lianzhou, Omomo, Yoshitomo, Sakai, Nobuyuki, Fukuda, Katsutoshi, Nakai, Izumi, Ebina, Yasuo, ...

Multilayer ultrathin films composed of exfoliated nanosheets of manganese oxide and poly(diallyldimethylammonium) (PDDA) ions have been fabricated onto various substrates via electrostatic...

New fullerenes in the B-C-N system: synthesis and analysis by an electron beam (1999)

Golberg, Dmitri, Bando, Yoshio, Stéphan, Odile, Bourgeois, Laure, Kurashima, Keiji, Sasaki, Takayoshi, ...

Numerous fullerenes were synthesized in various B-C-N materials by in-situ electron beam irradiation in a high-resolution transmission analytical electron microscope JEM-3000F. Boron-doped graphitic...

Simultaneous Crystallization of Diamond and Cubic Boron Nitride from the Graphite Relative BC2N Under High Pressure/High Temperature Conditions. (1998)

Sasaki, Takayoshi, Akaishi, Minour, Yamaoka, Shinobu, Fujiki, Yoshinori, Oikawa, Tetsuo

Graphitic BC2N has been compressed with Co metal at a pressure of 5.5 GPa and temperatures of 1400-1600 C. The principal resulting products were crystals (average dimension 3 microns) with cubic-like...