Search Results - "Hishiyama, Y."

Magnetic and high resolution TEM studies of nanographite derived from nanodiamond by Osipov, V.Yu, Enoki, T., Takai, K., Takahara, K., Endo, M., Hayashi, T., Hishiyama, Y., Kaburagi, Y., Vul’, A.Ya

“…The time evolution of graphitization was analyzed based on the structural and magnetic properties of nanodiamond samples annealed at 1600 °C for various time…”
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The effect of different orientations in rigid rod polyimide films on the graphitized products by Smirnova, V.E., Gofman, I.V., Maritcheva, T.A., Yudin, V.E., Eto, K., Takeichi, T., Kaburagi, Y., Hishiyama, Y.

“…The effect of uniaxial and in-plane orientation of different rigid-rod homo- and co-polyimide films on the development of graphite structure after heat…”
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Electric double layer capacitance of multi-walled carbon nanotubes and B-doping effect by SHIRAISHI, S, KIBE, M, YOKOYAMA, T, KURIHARA, H, PATEL, N, OYA, A, KABURAGI, Y, HISHIYAMA, Y

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Carbonization and graphitization of shavings filed away from Kapton by Isono, Y., Yoshida, A., Hishiyama, Y., Kaburagi, Y.

“…Two kinds of shavings with different degrees of defect concentration were filed away from Kapton with 50 μm in thickness using two sheets of diamond paper with…”
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X-ray diffraction in oriented carbon films with turbostratic structure by Hishiyama, Y., Nakamura, M.

“…Oriented carbon films with turbostratic structure were prepared from a commercially available polyimide film Novax, and X-ray diffraction (XRD) measurements…”
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Carbonization and graphitization of BPDA/PDA polyimide films: effect of structure of polyimide precursor by Takeichi, T., Eguchi, Y., Kaburagi, Y., Hishiyama, Y., Inagaki, M.

“…Poly(amide acid) was prepared from 3,3′,4,4′-biphenyltetracarboxylic dianhydride (BPDA) and p-phenylenediamine (PDA) and was then reacted with NaH and various…”
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Incorporation of iron particles into carbon films derived from polyimide by Oka, H, Inagaki, M, Kaburagi, Y, Hishiyama, Y

“…Incorporation of iron particles into carbon films was carried out by mixing an iron complex with polyimide in solution and by following carbonization. Iron in…”
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Graphitization behavior of Kapton-derived carbon film related to structure, microtexture and transport properties by Hishiyama, Y., Igarashi, K., Kanaoka, I., Fujii, H., Kaneda, T., Koidesawa, T., Shimazawa, Y., Yoshida, A.

“…Graphitization behavior of the carbonized film of commercially available aromatic polyimide film Kapton 25 μm in thickness was studied by X-ray diffractometry,…”
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STM study of surfaces of kish graphite doped by iron by Bourelle, E, Kaburagi, Y, Hishiyama, Y, Inagaki, M

“…Iron doping effect on kish graphite (KG) flakes at 2800°C was studied by observing structural defects, pores and hillocks, at different depth of the specimens…”
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Structure and microtexture of graphitized carbon film derived from aromatic polyimide film upilex by Hishiyama, Y., Yoshida, A., Inagaki, M.

“…The structure and microtexture of the 3000 °C treated carbon film prepared from a polyimide film Upilex with a thickness of 50 μm (Upilex-3000) were studied by…”
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Carbonization and graphitization of Kapton-type polyimide films prepared from polyamide alkyl ester by Takeichi, T., Eguchi, Y., Kaburagi, Y., Hishiyama, Y., Inagaki, M.

“…Polyamide acid was prepared from pyromellitic dianhydride (PMDA) and oxydianiline (ODA), and was then reacted with NaH and various kinds of alkyl halides for…”
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Changes in electronic properties of high quality kish graphite crystals by doping with a slight amount of iron impurities by Kaburagi, Y, Hishiyama, Y

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Negative Transverse Magnetoresistance of Boron-doped Graphite at Liquid-nitrogen Temperature in Relation to 3D Weak Localization by Hishiyama, Y., Matustani, T., Suzuki, M., Kaburagi, Y., Sugihara, K.

“…The negative transverse magnetoresistance of boron-doped graphite at liquid-nitrogen temperature has been studied in detail using 3000 °C-treated…”
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Structure and electronic properties of Grafoil heated with transition metals by Kaburagi, Y., Usami, R., Hishiyama, Y.

“…We investigated the effects of iron, cobalt and nickel on the crystallinity and electronic properties of Grafoil (a polycrystalline graphite foil) by heating…”
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The hillock formation on the basal planes of graphite due to ion interaction by Bourelle, E, Inagaki, M, Kaburagi, Y, Tanabe, Y, Hishiyama, Y, Yasuda, E, Kimura, S

“…Highly oriented graphite materials were modified by the introduction of foreign species, i.e. doped by iron and implanted by energetic ions. On irradiated…”
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Carbonization behavior of polyimide film containing iron complex in relation to magnetic properties by Kaburagi, Y., Toriyama, T., Yoshida, A., Wakabayashi, H., Hishiyama, Y., Inagaki, M.

“…A ferromagnetic film composed of carbon matrix and dispersed fine iron particles was prepared by heating a polyimide film containing iron complex at…”
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A scaling approach to the transverse magnetoresistance of kish graphite at 77 K by Kaburagi, Y., Hishiyama, Y.

“…A scaling of magnetoresistance Δϱ ϱ 0 was examined using B ϱ 0 at liquid nitrogen temperature for kish graphite (KG) specimens with different values of…”
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Relations between degree of graphitization and galvanomagnetic properties of pyrolytic carbons and cokes by Iwashita, N., Inagaki, M., Hishiyama, Y.

“…The relations between degree of graphitization ( P 1) and galvanomagnetic properties [maximum magnetoresistance ( Δϱ ϱ ) max , Hall coefficient R H and…”
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Effect of uniaxial cold-drawing on graphitization of polyimide films by Takeichi, T., Kaburagi, Y., Hishiyama, Y., Inagaki, M.

“…The effect of uniaxial cold-drawing on the development of graphite structure in films of polyimide BPDA PDA and PMDA ODA was investigated with different draw…”
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Electric double layer capacitance of multi-walled carbon nanotubes and B-doping effect by Shiraishi, S, Kibe, M, Yokoyama, T, Kurihara, H, Patel, N, Oya, A, Kaburagi, Y, Hishiyama, Y

“…The double layer capacitance properties of multi-walled carbon nanotubes (MWCNTs) prepared by CVD were investigated using propylene carbonate electrolytes. The…”
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