Watanabe, Tadataka, Hara, Shigeo, Ikeda, Shin-Ichi
Ultrasound velocity measurements of cubic spinel GeCo$_2$O$_4$ in single crystal were performed for the investigation of shear and compression moduli. The shear moduli in the paramagnetic state...
Noriyuki Ojima, Shin-ichi Ikeda, Osamu Koike, Kosuke Fujita, Koichi Suzuki
The leaf beetle, Gastrophysa atrocyanea Motschulsky (Coleoptera: Chrysomelidae) has been regarded as a bioagent suitable for the extermination of certain weeds, especially Rumex obtusifolius. We...
Uniaxial-Pressure induced Ferromagnetism of Enhanced Paramagnetic Sr3Ru2O7 (2004)
Ikeda, Shin-Ichi, Shirakawa, Naoki, Yanagisawa, Takashi, Yoshida, Yoshiyuki, Koikegami, Shigeru, Koike, Soh, ...
We report a uniaxial pressure-dependence of magnetism in layered perovskite strontium ruthenate Sr3Ru2O7. By applying a relatively small uniaxial pressure, greater than 0.1 GPa normal to the RuO2...
Shirakawa, Naoki, Ikeda, Shin-Ichi, Matsuhata, Hirofumi, Bando, Hiroshi
We investigated a method for obtaining a sintered bulk sample of single-phase Sr2MoO4, which has recently increased in importance due to its similarities to superconducting Sr2RuO4. We discovered...
Orbital-Degenerate Paramagnetic Metal Sr2MoO4: An Electronic Analogue to Sr2RuO4 (2000)
Ikeda, Shin-Ichi, Shirakawa, Naoki, Bando, Hiroshi, Ootuka, Youiti
We present the first systematic study on polycrystalline Sr2MoO4 as an electronic analogue to the spin-triplet superconductor Sr2RuO4. The Pauli paramagnetic susceptibility and metallic behaviors of...
The ground state of Sr3Ru2O7 revisited; Fermi liquid close to a ferromagnetic instability (2000)
Ikeda, Shin-Ichi, Maeno, Yoshiteru, Nakatsuji, Satoru, Kosaka, Masashi, Uwatoko, Yoshiya
We show that single-crystalline Sr3Ru2O7 grown by a floating-zone technique is an isotropic paramagnet and a quasi-two dimensional metal as spin-triplet superconducting Sr2RuO4 is. The ground state...