"Norimasa Nishiyama","Exploration of super-hard material: laser-shock compression of transparent nanocrystalline high-pressure phases","Mini-workshop on high energy density science with XFELs",,,,,,2017,Dec. "Kimiko Yoshida,Nishiyama N,Shinoda Y,Akatsu T,Wakai F","Evaluation of effects of crack deflection and grain bridging on toughening of nanocrystalline SiO2 stishovite",,"J. Euro. Cer. Soc.",,,,,2017,Dec. "Norimasa Nishiyama,Koki Kanatani,FUMIHIRO WAKAI","スピネル型窒化ケイ素・透明多結晶体の合成とその物性","第58回高圧討論会",,,,,,2017,Nov. "Fumihiro Wakai,Shun Kanchika,Gaku Okuma,Norimasa Nishiyama","Microscopic sintering forces acting among particles during sintering by grain boundary/surface diffusion","Sintering2017",,,,,,2017,Nov. "N. Nishiyama,R. Ishikawa,H. Ohfuji,H. Marquardt,T. Taniguchi,B. Kim,A. Masuno,Y. Ikuhara,F. Wakai,T. Irifune","Ultra high pressure sintering and synthesis of transparent polycrystalline cubic silicon nitride","International Conference on Sintering 2017",,,,,,2017,Nov. "Norimasa Nishiyama","Transformation toughening in silica and transparent polycrystalline cubic silicon nitride","3rd International Symposium on Metastable Materials Science & Technology",,,,,,2017,Oct. "Norimasa Nishiyama","スピネル型窒化ケイ素透明多結晶体の合成とその物性","先進セラミックス第124委員会 第153回会議",,,,,,2017,Sept. "Norimasa Nishiyama","A very tough hardest oxide: nanopolycrystalline SiO2 stishovite","Inernational Workshop on Giant Straining Process for Advanced Materials (GSAM2017)",,,,,,2017,Sept. "Norimasa Nishiyama","立方晶窒化ケイ素の透明多結晶体の高温高圧下における焼結","日本セラミックス協会 第30回秋季シンポジウム",,,,,,2017,Sept. "Norimasa Nishiyama","Transparent polycrystalline silicon nitride with spinel structure","9th International Symposium on Nitrides (ISNT2017) & 5th International Symposium on SiAlONs and Non-oxides (ISSNOX5)",,,,,,2017,Aug. "Norimasa Nishiyama","Fabrication of Transparent polycrystalline Spinel-type Silicon Nitride and its Physical Properties","10th International Conference n the Science and Technology for Advanced Ceramics (STAC-10)",,,,,,2017,Aug. "Norimasa Nishiyama,Ryo Ishikawa,Hiroaki Ohfuji,Hauke Marquardt,Takashi Taniguchi,Byung-Nam Kim,Atsunobu Masuno,Takashi Taniguchi,Byung-Nam Kim,Yuichi Ikuhara,FUMIHIRO WAKAI,Tetsuo Irifune","Transparent polycrystalline spinel-type silicon nitride","PACRIM Symposium 19: Transparent Ceramic Materials and Devices",,,,,,2017,May "Misawa M,Ryuo E,Yoshida K,Kalia R K,Aiichiro Nakano,Nishiyama N,Shimojo F,Vashishta P,Wakai F","Picosecond amorphization of SiO2 stishovite under tension",,"Science Advances",,"Vol. 3",,,2017,May "Nishiyama N,Ishikawa R,Ohfuji H,Marquardt H,Kurnosov A,Bednarcik J,Kulik E,Ikuhara Y,Wakai F,Irifune T","Transparent polycrystalline cubic silicon nitride",,"Scientific Reports",,"Vol. 7",,,2017,Mar. "Norimasa Nishiyama","高圧下で合成した透明ナノ多結晶体?立方晶窒化物と三斜晶系の酸化物?","Workshop on Materials science under ultra-high pressure MATSUYAMA 2017",,,,,,2017,Mar. "Yoshida K,Nishiyama N,Sone M,Wakai F","Strength and toughness of nanocrystalline SiO2 stishovite toughened by fracture-induced amorphization",,"Acta Materialia",,"Vol. 124",,"pp. 316-324",2017,Feb. "Gaida N A,Nishiyama N,Masuno A,Holzheid A,Ohfuji H,Schurmann U,Szillus C,Kulik E,Bednarcik J,Beermann O,Giehl C,Kienle","Synthesis of Al2O3/SiO2 nano-nano composite ceramics under high pressure and its inverse Hall-Petch behavior",,"J. Am. Ceram. Soc.",,"Vol. 100",,"pp. 323-332",2017,Jan.