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X-ray diffraction, spectroscopic, thermal and surface morphological studies of gamma-irradiated diaquamalonatomanganese(II) (DMM)

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Abstract

The effect of gamma irradiation on single crystal and powdered samples of diaquamalonatomanganese(II) was investigated. Thermal, spectral and surface morphological studies were also performed using the powdered samples before and after irradiation. Single crystal as well as PXRD studies showed that both unirradiated and irradiated samples are orthorhombic. Changes in lattice parameters upon irradiation are different in powder and single crystal of the same material. Thermal decomposition profiles of unirradiated and irradiated samples are found to be similar. Upon irradiation significant changes were observed in spectral features. AFM studies revealed morphological changes and enhanced roughness in the irradiated sample.

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Acknowledgments

The authors are thankful to the Pondicherry Central Instrument Facility for 60Co gamma irradiation, SAIF, Cochin University of Science and Technology, Kochi for analytical facilities. We are grateful to Dr. Shibu M. Eapen, SAIF, CUSAT, Kochi, India for providing single crystal X-ray diffraction data. One of us, ISS, is grateful to the University of Kerala for the award of a fellowship.

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Correspondence to T. A. Jayashri.

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Sumithra, I.S., Jayashri, T.A. & Krishnan, G. X-ray diffraction, spectroscopic, thermal and surface morphological studies of gamma-irradiated diaquamalonatomanganese(II) (DMM). J Radioanal Nucl Chem 307, 835–842 (2016). https://doi.org/10.1007/s10967-015-4283-2

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  • DOI: https://doi.org/10.1007/s10967-015-4283-2

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