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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/83175

    Title: Depth Profiling Photoelectron-Spectroscopic Study of an Organic Spin Valve with a Plasma-Modified Pentacene Spacer
    Authors: Jhen-Yong Hong;Yin-Ming Chang;Chuang, Cheng-Hao;Kai-Shin Li;You-Cih Jhang;Hung-Wei Shiu;Chia-Hao Chen;Wen-Chung Chiang;Minn-Tsong Lin
    Contributors: 淡江大學物理學系
    Date: 2012-09-28
    Issue Date: 2013-03-14 14:07:12 (UTC+8)
    Publisher: American Chemical Society
    Abstract: We report an enhanced magnetoresistance (MR) in an organic spin valve with an oxygen plasma-treated pentacene (PC) spacer. The spin valve containing PC without the treatment shows no MR effect, whereas those with moderately plasma-treated PC exhibit MR ratios up to 1.64% at room temperature. X-ray photoelectron spectroscopy with depth profiling is utilized to characterize the interfacial electronic properties of the plasma-treated PC spacer which shows the formation of a derivative oxide layer. The results suggest an alternative approach to improve the interface quality and in turn to enhance the MR performance in organic spin valves.
    Relation: Journal of Physical Chemistry C 116(40), pp.21157−21161
    DOI: 10.1021/jp3026557
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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