A Study on Spin Injection of Ferromagnetic Electrode for OLED Application

Abstract:

Article Preview

We have investigated the magnetic effect on the electrical properties of Al and Ni electrode based organic light-emitting devices (OLEDs). The Ni electrode-based OLEDs were compared to Al-based OLEDs in terms of their applied magnetic fields (0.3 T). We found that for current density-voltage on Al and Ni electrodes for OLEDs, Ni electrodes can be applied to OLEDs. The value of magneto-impedance or the resistance ratio decreased in comparison to situations with the absence of a magnetic field. The magneto-impedance or resistance effect indicated that the spin polarization was preserved through the organic layer. We found that the frequency response of magneto-impedance decreased the external magnetic field at room temperature. Electrical characterizations of the OLEDs with spin-polarized electrodes indicated the applicability of the ferromagnetic electrodes to organic light-emitting devices.

Info:

Periodical:

Edited by:

P. VINCENZINI and D. FIORANI

Pages:

98-103

DOI:

10.4028/www.scientific.net/AST.52.98

Citation:

S. J. Kim et al., "A Study on Spin Injection of Ferromagnetic Electrode for OLED Application", Advances in Science and Technology, Vol. 52, pp. 98-103, 2006

Online since:

October 2006

Export:

Price:

$35.00

In order to see related information, you need to Login.

In order to see related information, you need to Login.