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Organic Based Magnetic Thin Films by Low Temperature CVD

Published online by Cambridge University Press:  01 February 2011

Ruth Shima Edelstein ,
Jung-Woo Yoo ,
N. P. Raju ,
Jeremy D. Bergeson ,
Konstantin I. Pokhodnya ,
Joel S. Miller  and
Arthur J. Epstein
Ruth Shima Edelstein
Affiliation:
Department of Physics and Department of Chemistry, The Ohio State University, Columbus, OH 43210-1117, U.S.A
Jung-Woo Yoo
Affiliation:
Department of Physics and Department of Chemistry, The Ohio State University, Columbus, OH 43210-1117, U.S.A
N. P. Raju
Affiliation:
Department of Physics and Department of Chemistry, The Ohio State University, Columbus, OH 43210-1117, U.S.A
Jeremy D. Bergeson
Affiliation:
Department of Physics and Department of Chemistry, The Ohio State University, Columbus, OH 43210-1117, U.S.A
Konstantin I. Pokhodnya
Affiliation:
Department of Physics and Department of Chemistry, The Ohio State University, Columbus, OH 43210-1117, U.S.A Department of Chemistry, University of Utah, Salt Lake City, UT 84112-0850, U.S.A.
Joel S. Miller
Affiliation:
Department of Chemistry, University of Utah, Salt Lake City, UT 84112-0850, U.S.A.
Arthur J. Epstein
Affiliation:
Department of Physics and Department of Chemistry, The Ohio State University, Columbus, OH 43210-1117, U.S.A
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Abstract

We describe how the composition of an organic - based magnet can be controlled by varying the Chemical Vapor Deposition (CVD) conditions. A study was conducted for the Co2(CO)8/ TCNE system to form cobalt tetracyanoethylene [Co(TCNE)x, x∼2, a paramagnetic material], and for the V(CO)6/ TCNEx system to form vanadium tetracyanoethylene [V(TCNE)x, x∼2, a ferrimagnetic material]. Thin V(TCNE)x, x∼2 films (∼0.05-0.5 μm) with room temperature conductivity of 10-4<σRT<10-3S/cm and magnetic ordering temperature Tc of up to ∼400K were deposited. The V(TCNE)x, x∼2 thin films have the potential for incorporation in a spin-valve device as one of the magnetic contacts, and are promising candidates to form optically controlled magnetic-based structures.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 871: Symposium I – Organic Thin-Film Electronics , 2005 , I7.3
Copyright
Copyright © Materials Research Society 2005

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References

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