表面科学
Online ISSN : 1881-4743
Print ISSN : 0388-5321
第32回表面科学学術講演会特集号 [II]
単一ナノ分子・磁気抵抗素子
—スピン偏極STMによる単一分子電子スピン伝導測定—
山田 豊和
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2013 年 34 巻 8 号 p. 443-448

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Giant magnetoresistance (GMR) through a single phthalocyanine molecule (H2Pc) was studied by means of a spin-polarized scanning tunneling microscopy (STM) technique. Single molecular magnetic junction was fabricated by contacting a ferromagnetic STM tip to a single molecule on nano magnets. We obtained GMR of +60% and −50% through [Co/H2Pc/Co(111)] and [Fe/H2Pc/Mn(001)] junctions, respectively, in ultra-high vacuum at 4.6 K. Single organic molecules can be a new material for spintronics.

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