Abstract
Alpha iron phthalocyanines (α-FePc) oxygenated at low temperatures were investigated with the help of 57Fe Mössbauer spectroscopy, magnetization measurements (SQUID) and X-ray diffractometry (XRD). Mössbauer spectroscopy revealed that upon oxygenation of α-FePc, new species were formed which could be associated with FeIIIPc oxygen adducts. Unexpectedly, magnetically split spectrum of oxygenated α-FePc was observed below 20 K. In-field Mössbauer spectra in a 5 T external magnetic field at 5K and magnetization measurements indicate antiferromagnetic coupling in oxygenated α-FePc.
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Kuzmann, E., Pechousek, J., Cuda, J., Yin, H., Wei, Y., Homonnay, Z., … Nath, A. (2014). Magnetic interaction in oxygenated alpha Fe-phthalocyanines. In AIP Conference Proceedings (Vol. 1622, pp. 97–103). American Institute of Physics Inc. https://doi.org/10.1063/1.4898616
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