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Yoo, Jung-Woo
Nano Spin Transport Lab.
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Electrical bistability and spin valve effect in a ferromagnet/organic semiconductor/ferromagnet heterojunction

Author(s)
Li, BinYoo, Jung-WooKao, Chi-YuehJang, Ho WonEom, Chang-BeomEpstein, Arthur J.
Issued Date
2010-06
DOI
10.1016/j.orgel.2010.03.021
URI
https://scholarworks.unist.ac.kr/handle/201301/7755
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=78049529706
Citation
ORGANIC ELECTRONICS, v.11, no.6, pp.1149 - 1153
Abstract
We report a study of the electrical bistability and bias-controlled spin valve effect in an organic device using rubrene (C42H28) as an organic semiconductor channel. The halfmetallic La0.7Sr 0.3MnO3 (LSMO) and Fe are used as the two ferromagnetic electrodes. The device displays reproducible switching between a low-impedance (ON) state and a highimpedance (OFF) state by applying different polarities of high biases. In the ON state, the device shows a spin valve effect with magnetoresistance values up to 3.75%. The observed spin valve effect disappears when the device recovers to the initial OFF state.
Publisher
ELSEVIER SCIENCE BV
ISSN
1566-1199

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