Hitoshi Sumiya - Dissemin

Papers authored by Hitoshi Sumiya

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1999 H. Sumiya

, S. Satoh

Synthesis of polycrystalline diamond with new non-metallic catalyst under high pressure and high temperature

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Shinya Uesaka, Hitoshi Sumiya

Mechanical properties and cutting performances of high purity polycrystalline CBN compact

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1998 H. Sumiya

, S. Satoh, S. Yazu

Synthesis of high-purity and high-quality diamond crystals

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Z. Tang, M. Hasegawa, T. Chiba, M. Saito, H. Sumiya

, Y. Kawazoe, S. Yamaguchi

Electron Momentum Distributions in Elemental Semiconductors Probed by Positrons

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1997 Naohiro Toda, Hitoshi Sumiya

, Shuichi Satoh, Tetsuya Ishikawa

High-quality synthetic diamonds for the monochromator of synchrotron radiation beams

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H. Sumiya

, N. Toda, S. Satoh

Mechanical properties of synthetic type IIa diamond crystal

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H. Sumiya

, N. Toda, Y. Nishibayashi, S. Satoh

Crystalline perfection of high purity synthetic diamond crystal

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Toshinobu Chiba, Mitsuru Hasegawa, Z. Tang, Takashi Akahane, Alfred A. Manuel, M. Saito, Hitoshi Sumiya

, Eiichi Kuramoto, M. Takenaka

Positron 2D-ACAR Study on Diamonds: Perfect Crystals and Defects

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Z. Tang, Mitsuru Hasegawa, Toshinobu Chiba, M. Saito, Hitoshi Sumiya

, Z. Q. Li, Takashi Akahane, Y. Kawazoe, S. Yamaguchi

Positron 2D-ACAR in Perfect Crystals of Diamond, Si and Ge: First-Principles Calculations and Experiments

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A. Onodera, K. Terashima, T. Urushihara, K. Suito, H. Sumiya

, S. Satoh

High-pressure synthesis of diamond from phenolic resin

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1996 H. Sumiya

, S. Satoh

High-pressure synthesis of high-purity diamond crystal

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1994 T. Tomikawa, Y. Nishibayashi, S. Shikata, H. Sumiya

p-n Junction diode by B-doped diamond heteroepitaxially grown on Si-doped c-BN

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1993 Shuichi Satoh, Hitoshi Sumiya

Growing Method of a Large Synthetic Diamond Single Crystal.

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1992 Akifumi Onodera, Hitoshi Sumiya

, Koji Higashi, Norikazu Takahashi, Ryuichiro Oshima, Hiroyasu Saka, Koji Nobugai, Fumikazu Kanamaru

Phase relationships of boron nitride at high static pressures up to 15 GPa

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1991 A. Onodera, M. Hasegawa, K. Furuno, M. Kobayashi, Y. Nisida, H. Sumiya

, S. Yazu

Pressure dependence of the optical-absorption edge of diamond

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1989 Hitoshi Sumiya

, Kazuo Tsuji, Shuji Yazu

Reaction sintering of polycrystalline cubic boron nitride at high pressure and temperature.

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1986 Y. Doi, S. Sato, H. Sumiya

, S. Yazu

Hardness of Synthesized Diamond Crystals.

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1983 H. Sumiya

, T. Iseki, A. Onodera

High pressure synthesis of cubic boron nitride from amorphous state

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Papers authored by Hitoshi Sumiya