4 papers · 1 filter
Electric field induced charge injection or exhaustion in organic thin film transistor
Manabu Kiguchi, Manabu Nakayama, Toshihiro Shimada +1
The conductivity of organic semiconductors is measured {\it in-situ} and continuously with a bottom contact configuration, as a function of film thickness at various gate voltages.…
Metal-induced gap states in epitaxial organic-insulator/metal interfaces
Manabu Kiguchi, Ryotaro Arita, Genki Yoshikawa +8
We have shown, both experimentally and theoretically, that the metal-induced gap states (MIGS) can exist in epitaxially grown organic insulator/metal interfaces. The experiment is…
One-dimensional ordered structure of a-sexithienyl on Cu(110)
Manabu Kiguchi, Shiro Entani, Genki Yoshikawa +1
We have studied atomic structures of a-sexithienyl (6T) films grown on Cu(110) by near-edge x-ray absorption fine structure (NEXAFS). A one-dimensional (1D) ordered structure of 6T…
Polar surface engineering in ultra-thin MgO(111)/Ag(111) -- possibility of metal-insulator transition and magnetism
Ryotaro Arita, Yoshiaki Tanida, Shiro Entani +3
A recent report [Kiguchi {\it et al.}, Phys. Rev. B {\bf 68}, 115402 (2003)] that the (111) surface of 5 MgO layers grown epitaxially on Ag(111) becomes metallic to reduce the elec…