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Internet Electronic Journal of Molecular Design - IEJMD, ISSN 1538-6414, CODEN IEJMAT
| ABSTRACT - Internet Electron. J. Mol. Des. February 2003, Volume 2, Number 2, 112-127 |
Design of Spin-Polarized Molecular Wire as a Prototypal
Unimolecular Quantum Spin Device
Jotaro Nakazaki, InGwon Chung, Ryoji Watanabe, Toshiyuki Ishitsuka, Yuzo Kawada, Michio M. Matsushita, and Tadashi Sugawara
Internet Electron. J. Mol. Des. 2003, 2, 112-127
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Abstract:
Development of a series of "spin-polarized donors", which afford
ground state triplet cation diradicals upon one-electron oxidation,
promoted us to produce a hyper-structured spin-polarized donor,
because it can be regarded as a unimolecular quantum spin
device if it is equipped with conducting wires and terminals to
access to electrodes. A pyrrole-based spin-polarized donor
carrying oligothiophene molecular wires has been prepared. The
magnetic coupling along the oligothiophene wire turned out to be
effective as far as the number of monomer units does not exceed
six. The spin-polarized molecular wire, which consists of a
spin-polarized donor core, molecular wires, and terminals, is expected
to operate as a spin-rectifier, demonstrating spin-polarized
Coulomb oscillations.
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