193 citations · 797 across the 17 of their papers we have counts for
16 papers
Crystal structure and superconducting properties of hexagonal lithium-niobium oxynitride
Teruki Motohashi, Masahiko Ito, Yuji Masubuchi +2
A hexagonal oxynitride (Li0.88_0.12)Nb3.0(O0.13N0.87)4 was synthesized through ammonia nitridation of LiNb3O8. The structural analysis revealed that this oxynitride consists of alt…
Impact of lithium composition on the thermoelectric properties of the layered cobalt oxide system LixCoO2
T. Motohashi, Y. Sugimoto, Y. Masubuchi +5
Thermoelectric properties of the layered cobalt oxide system LixCoO2 were investigated in a wide range of Li composition, 0.98 >= x >= 0.35. Single-phase bulk samples of LixCoO2 we…
Electronic phase diagram of the layered cobalt oxide system, LixCoO2 (0.0 <= x <= 1.0)
T. Motohashi, T. Ono, Y. Sugimoto +5
Here we report the magnetic properties of the layered cobalt oxide system, LixCoO2, in the whole range of Li composition, 0 <= x <= 1. Based on dc-magnetic susceptibility data, com…
Measurement of electron correlations in LixCoO2 (x=0.0 - 0.35) using 59Co nuclear magnetic resonance and nuclear quadrupole resonance techniques
S. Kawasaki, T. Motohashi, K. Shimada +5
CoO2 is the parent compound for the superconductor NaxCoO2\cdot1.3H2O and was widely believed to be a Mott insulator. We performed 59Co nuclear magnetic resonance (NMR) and nuclear…
Electrochemical synthesis and properties of CoO2, the x = 0 phase of the AxCoO2 systems (A = Li, Na)
T. Motohashi, T. Ono, Y. Katsumata +3
Single-phase bulk samples of the "exotic" CoO2, the x = 0 phase of the AxCoO2 systems (A = Li, Na), were successfully synthesized through electrochemical de-intercalation of Li fro…
Synthesis and properties of CoO2, the x = 0 end member of the LixCoO2 and NaxCoO2 systems
T. Motohashi, Y. Katsumata, T. Ono +3
We report here the synthesis of single-phase bulk samples of CoO2, the x = 0 end member of the AxCoO2 systems (A = Li, Na), from a pristine LiCoO2 sample using an electrochemical t…