On the valve nature of a monolayer of aligned molecular magnets in tunneling spin-polarized electrons: towards organic molecular spintronics

Chakrabarti, Sudipto ; Pal, Amlan J. (2014) On the valve nature of a monolayer of aligned molecular magnets in tunneling spin-polarized electrons: towards organic molecular spintronics Applied Physics Letters, 104 (1). 013305. ISSN 0003-6951

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Official URL: http://scitation.aip.org/content/aip/journal/apl/1...

Related URL: http://dx.doi.org/10.1063/1.4861158

Abstract

We form a monolayer of magnetic organic molecules and immobilize their moments pointing either upwards or downwards with respect to the substrate through an electrostatic-binding process. Such a monolayer is probed with a scanning tunneling microscope tip, which is also magnetized with the magnetization vector pointing towards (or away from) apex of the tip. From spin-polarized tunneling current, we show that the current was higher when magnetization vectors of the tip and molecules were parallel as compared to that when they were anti-parallel. We show that for tunneling of spin-polarized electrons, aligned organic molecular magnets can act as a valve.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
ID Code:98348
Deposited On:05 Jun 2014 10:00
Last Modified:05 Jun 2014 10:00

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