Spin-dependent processes in ZnPc single layer devices

Sebastian Schaefer, Somaieh Saremi, Jan Behrends, Konstantinos Fostiropoulos, Klaus Lips, Wolfgang Harneit

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Abstract

Applying continuous wave electrically detected magnetic resonance (EDMR) we investigate spin dependent currents in phthalocyanine thin films. Changing the electrode materials and geometries by switching from ITO/ZnPc/Al to coplanar Au/ZnPc/Au devices, we observe a change in sign and intensity of the signal. The shape and the resonance position of the signal do not change and are a fingerprint of the phthalocyanine material. We discuss two different models explaining our results and specifically the possibility of exchange coupling between the spins.

Original languageEnglish
Pages (from-to)2844-2848
Number of pages5
JournalPhysica Status Solidi B: Basic Solid State Physics
Volume246
Issue number11-12
DOIs
Publication statusPublished - Dec 2009
Externally publishedYes

Cite this

Schaefer, S., Saremi, S., Behrends, J., Fostiropoulos, K., Lips, K., & Harneit, W. (2009). Spin-dependent processes in ZnPc single layer devices. Physica Status Solidi B: Basic Solid State Physics, 246(11-12), 2844-2848. https://doi.org/10.1002/pssb.200982322