Yasuharu Yokoyama

X‐ray Diffraction Study of the Structure of Silicon Nitride Fiber Made from Perhydropolysilazane

Yasuharu Yokoyama, Tokuro Nanba, Itaru Yasui et al. · Journal of the American Ceramic Society · 1991 · 57 citations

Natural Sciences, Materials Engineering, Materials Science +15

Ruthenium Complex-Catalyzed N-Heterocyclization. Syntheses of <i>N</i>-Substituted Pyrroles and Pyrrolidines from 1,4-Diols and Primary Amines

Yasushi Tsuji, Yasuharu Yokoyama, Keun-Tae Huh et al. · Bulletin of the Chemical Society of Japan · 1987 · 55 citations · Full text

Natural Sciences, Chemistry, Catalysis +11

Ruthenium catalysed N-heterocyclisation: indoles from 2-aminophenethyl alcohols

Yasushi Tsuji, Keun-Tae Huh, Yasuharu Yokoyama et al. · Journal of the Chemical Society Chemical Communications · 1986 · 33 citations

Natural Sciences, Chemistry, Catalysis +13

X-Ray Photoelectron Spectroscopy and X-Ray Absorption Near Edge Structure Study of Structural Change of Perhydropolysilazane to Silicon Nitride by Heat Treatment

Yasuharu Yokoyama, Kazunaga Horiuchi, Tsugio Maeshima · Japanese Journal of Applied Physics · 1994 · 15 citations

Natural Sciences, Chemistry, Materials Science +16

Effect of Hole-Doping in High-T_c Ln₁Ba₂Cu₃O_7-δ (Ln=Nd, La, Pr)

Hiromoto Uwe, Tunetaro Sakudo, Hajime Asano et al. · Japanese Journal of Applied Physics · 1988 · 12 citations

Natural Sciences, Materials Science, Physics +15