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■Research target
Relaxation dielectric phenomena
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Figure 1:Surface potential resulting from (a)charge transfer between organic film and metal electrode, and (b)the orientational ordering of the permanent dipole of molecules.
Figure 2:Decay process of surface potential and the optical second-harmonic generation intensity during heating.
Recent Progress
[1] N. Kajimoto, M. R. Muhamad, S. Abdul-Rahman, T. Manaka, and M. Iwamoto,., "Enhancement of Surface Potential Buildup and Decay of Tris(8-quinolinato)aluminum Film Deposited on Ultraviolet/Ozone-Treated Gold Electrodes," Jpn. J. Appl. Phys., Vol. 44, (2005), p. 1091.[2] N. Kajimoto, T. Manaka, and M. Iwamoto, Proceedings International Symposium on Super-Functionality Organic Devices. IPAP Conference Series 6 pp. 184-186 (2005).
[3] N. Kajimoto, T. Manaka, and M. Iwamoto, "Decay process of a large surface potential of Alq3 films by heating," J. Appl. Phys., Vol. 100, (2006) p.053707.
[4] N. Kajimoto, T. Manaka, and M. Iwamoto, "Electrostatic energies stored in dipolar films and analysis of decaying process of a large surface potential of Alq3 films," Chem. Phys. Lett., Vol. 430, p. 340 (2006).
[5] N. Kajimoto, T. Manaka, and M. Iwamoto, Japanese Journal of Applied Physics in press.