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Issue 100, 2015
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Thin film synthesis of the organic-based magnet vanadium ethyl tricyanoethylenecarboxylate

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Abstract

We report the preparation and characterization of a new thin film organic-based magnet V[ETCEC]x, with TC of 161 ± 10 K, via low temperature chemical vapor deposition (CVD; T = 55 °C). X-ray photoelectron spectroscopy (XPS) indicates the ratio of V to ETCEC is 1 : 1.4. In addition, analysis of Fourier-transform infrared (FTIR) spectroscopy suggests a similar physical structure to V[ETCEC]x powder, with all nitrile and carbonyl oxygen coordinating to V(II) sites. Temperature-, field-, and frequency-dependent measurements of the magnetization as well as ferromagnetic resonance (FMR) measurements reveal complex magnetic behavior with a magnetic transition to a more disordered state at a freezing temperature just below the Curie temperature. The development of this magnetic thin film enables the direct incorporation of V[ETCEC]x into existing organic spintronics devices and opens up the potential exploration of all-organic magnetic heterostructures.

Graphical abstract: Thin film synthesis of the organic-based magnet vanadium ethyl tricyanoethylenecarboxylate

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Publication details

The article was received on 18 Aug 2015, accepted on 22 Sep 2015 and first published on 22 Sep 2015


Article type: Paper
DOI: 10.1039/C5RA16699C
Citation: RSC Adv., 2015,5, 82271-82275
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    Thin film synthesis of the organic-based magnet vanadium ethyl tricyanoethylenecarboxylate

    Y. Lu, H. Yu, M. Harberts, A. J. Epstein and E. Johnston-Halperin, RSC Adv., 2015, 5, 82271
    DOI: 10.1039/C5RA16699C

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