期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 64, 期 24, 页码 4276-4285出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2011.638376
关键词
Mn(II) doped CdHPO4Cl center dot[H3N(CH2)(6)NH3](0.5) crystals; Powder X-ray diffraction; Thermogravimetric analysis; Spectroscopic techniques; Octahedral site symmetry
Chlorocadmiumphosphate CdHPO4Cl center dot[H3N(CH2)(6)NH3](0.5) crystals doped with Mn(II) are grown at room temperature via organic amine template method and characterized by spectroscopic techniques to obtain information on the nature of the incorporated Mn( II). Powder X-ray diffraction patterns of the sample are indexed to monoclinic cell and average crystalline size is found to be around 55 nm. The optical absorption spectrum exhibits various bands which are characteristic of Mn(II) in distorted octahedral site symmetry, confirmed by characteristic resonance signal at g = 2.018 observed in the EPR spectrum. Fourier transform infrared spectrum shows the specific vibrations of phosphate and organic molecules. Thermal curves indicate that the crystal is stable at 307 degrees C; above this temperature crystal structure disintegrates due to removal of the organic amine template.
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