A. Tokiwa‐Yamamoto

Encapsulation method for the synthesis of nearly single-phase superconducting HgBa2Ca2Cu3O8+δ with Tc⩾ 135 K

Kazuyuki Isawa, A. Tokiwa‐Yamamoto, Makoto Itoh et al. · Physica C Superconductivity · 1994 · 82 citations

Materials Science, Superconducting Material, High-tc Superconductivity +8

The effect of Pb doping in HgBa2Ca2Cu3O8+δ superconductor

Kazuyuki Isawa, A. Tokiwa‐Yamamoto, Makoto Itoh et al. · Physica C Superconductivity · 1993 · 73 citations

Superconducting Material, High-tc Superconductivity, Engineering +7

Dependence of superconducting properties on the Cu-valence determined by iodometry in HgBa2CuO4+δ

Atsushi Fukuoka, A. Tokiwa‐Yamamoto, Makoto Itoh et al. · Physica C Superconductivity · 1996 · 61 citations

Materials Science, Superconducting Material, Magnetic Properties +7

Large enhancement of Tc in the 134 K superconductor HgBa2Ca2Cu3Oy under high pressure

H. Takahashi, A. Tokiwa‐Yamamoto, N. Môri et al. · Physica C Superconductivity · 1993 · 60 citations

Materials Science, Large Enhancement, Superconducting Material +9

Increase of Tc in HgBa2CuOy by reducing treatment

Makoto Itoh, A. Tokiwa‐Yamamoto, Seiji Adachi et al. · Physica C Superconductivity · 1993 · 59 citations

Chemical Engineering, Green Chemistry, Engineering +1