Spin-dependent processes in ZnPc single layer devices

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

doi:10.1002/pssb.200982322

Spin-dependent processes in ZnPc single layer devices

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

Research output: Contribution to journal › Article › Research › peer-review

6 Citations (Scopus)

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 language	English
Pages (from-to)	2844-2848
Number of pages	5
Journal	Physica Status Solidi B: Basic Solid State Physics
Volume	246
Issue number	11-12
DOIs	https://doi.org/10.1002/pssb.200982322
Publication status	Published - Dec 2009
Externally published	Yes

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AU - Schaefer, Sebastian

AU - Saremi, Somaieh

AU - Behrends, Jan

AU - Fostiropoulos, Konstantinos

AU - Lips, Klaus

AU - Harneit, Wolfgang

PY - 2009/12

Y1 - 2009/12

N2 - 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.

AB - 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.

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JF - Physica Status Solidi B: Basic Solid State Physics

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ER -

Spin-dependent processes in ZnPc single layer devices

Abstract

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