Biomedical subjects
Publications and source records attributed to Reizo Kato.
Trimetallic nickel dithiolene complexes with two tetrathiooxalate (tto) ligands were obtained by a reaction monitored by ESI-mass spectrometry followed by HPLC separation and were characterized by elemental or crystal structural analysis, MO calculations, and electrical conductivity measurements.
Pressure-induced superconducting behavior was found in two anion radical salts, EtMe3Z[Pd(dmit)2]2 (dmit = 1,3-dithiole-2-thione-4,5-dithiolate, Z = P, As), that are Mott insulators and exhibit different magnetic and structural transitions at ambient pressure.
Multiprobe measurements were performed on tiny single crystals of DMe-DCNQI complexes prepared directly on SiO2/Si substrates. The differences in conduction properties between the micro- and nanocrystals and bulk crystals were observed.
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A spin-Peierls system (DMe-DCNQI)2Li is studied with W-band electron paramagnetic resonance (EPR) ( approximately 94 GHz) to unveil a charge transport mechanism in the insulating 4k(F) charge density wave state above T(SP). The electron hopping between the neighbor DCNQI columns provides an additional broadening of the EPR linewidth, since the neighbor columns are generally nonequivalent to each other with respect to g shift. The obtained intercolumn hopping rates lead us to the conclusion that the electron hopping to a hole soliton carrying a fractional charge of e / 2 in the neighbor column dominates the intercolumn charge transport.