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Issue 8, 2001
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Optical spectroscopy and magnetic studies of dimeric europium capronate with 1,10-phenanthroline

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Abstract

Luminescence, excitation of luminescence and absorption spectra of europium capronate crystals as well as vibrational IR and Raman spectra at 4.2, 77 and 293 K were obtained. Magnetic susceptibility measurements were carried out down to 1.7 K. Correlations between the spectral and magnetic properties and details of the structure of the title compound were studied. The crystal field parameters were calculated using the Stark splitting of the Eu3+ electronic levels. The oscillator strengths were evaluated. Changes in the spectra and magnetic susceptibility of Eu(C5H11COO)3Phen with increasing temperature from 4.2 to 293 K proves transformation of the crystal lattice. The subtle splitting of bands in the regions of the 5D07F1 and 5D07F2 transitions was revealed. Several possible causes of this phenomenon, including resonant vibronic interactions and/or the possible effect of ion-pair interactions, are discussed.

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Publication details

The article was received on 13 Feb 2001, accepted on 05 Apr 2001 and first published on 28 Jun 2001


Article type: Paper
DOI: 10.1039/B101409A
Citation: New J. Chem., 2001,25, 1037-1042
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    Optical spectroscopy and magnetic studies of dimeric europium capronate with 1,10-phenanthroline

    J. Legendziewicz, V. Tsaryuk, V. Zolin, E. Lebedeva, M. Borzechowska and M. Karbowiak, New J. Chem., 2001, 25, 1037
    DOI: 10.1039/B101409A

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