J. Phys. IV France
Volume 114, April 2004
Page(s) 541 - 543

J. Phys. IV France
114 (2004) 541
DOI: 10.1051/jp4:2004114128

Molecular unit based on metal phthalocyanine; designed for molecular electronics

M. Matsuda1, 1, N. Hanasaki1, S. Ikeda1, H. Tajima1, T. Naito2 and T. Inabe2

1  The Institute for Solid State Physics, the University of Tokyo, Kashiwanoha, Kashiwa 277-8581, Japan
2  Graduate School of Science, Hokkaido University, Kita10 Nishi 8, Sapporo 060-0810, Japan

We obtained three conducting crystals based on a [ Fe III(Pc)(CN) 2] molecular unit. All crystals showed a large anisotropic negative magnetoresistance arising from the $\pi $-d interaction self-contained in the [ Fe III(Pc)(CN) 2] unit. The anisotropy is attributable to the anisotropic g-tensor in the [ Fe III(Pc)(CN) 2] unit. We also obtained a thin film containing [ Fe II(Pc)(CN) 2] . The film exhibits photocurrent response for the UV irradiation. These features suggest [ M(Pc)(CN) 2] molecular unit is a well-designed one for a building block of molecular devices. Key words. Molecular electronics - phthalocyanine - $\pi $-d system - thin film.

© EDP Sciences 2004