Magnetic Field Effects on Current, Electroluminescence and Photocurrent in Alq3 Organic Light Emitting Diodes |
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| Journal | Advances in Science and Technology (Volume 52) |
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| Volume | Spin Injection and Transport in Magnetoelectronics |
| Edited by | P. VINCENZINI and D. FIORANI |
| Pages | 53-61 |
| DOI | 10.4028/www.scientific.net/AST.52.53 |
| Citation | Govindarajan Veeraraghavan et al., 2006, Advances in Science and Technology, 52, 53 |
| Online since | October, 2006 |
| Authors | Govindarajan Veeraraghavan, Tho Duc Nguyen, Yu Gang Sheng, Omer Mermer, Markus Wohlgenannt |
| Keywords | Electroluminescence, Magnetoresistivity MR, Magnetotransport, OLED, Organic Semiconductor, Photocurrent |
| Abstract | We report on the experimental observation of large magnetoresistance in Alq3 organic light-emitting diodes (OLEDs). Very similar magnetic field effects (MFEs) of comparable magnitude are also observed in electroluminescence and photocurrent measurements. We also report on the frequency response of the magnetoresistance effect at frequencies below 100 kHz. To the best of our knowledge, the mechanism causing these MFE is currently not known. |
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