Electron paramagnetic resonance of Er doped in YVO4: hyperfine parameters |
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| Authors: | Sushil K. Misra Samih Isber John A. Capobianco E. Cavalli |
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| Affiliation: | a Physics Department, Concordia University, 1455 de Maisonneuve Boulevard West, Montreal, Que. H3G 1M8 Canada;b Department of Chemistry and Biochemistry, Concordia University, 1455 de Maisonneuve Boulevard West, Montreal, Que. H3G 1M8 Canada;c Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica et Chimica Fisica, Università di Parma, I-43100 Parma, Italy |
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| Abstract: | X-band (9.60 GHz) electron paramagnetic resonance (EPR) spectra of the Er3+ Kramers ion substituting for the Y3+ ion in yttrium vanadate (YVO4) single crystal were recorded at liquid-helium temperatures. Fine and hyperfine EPR transitions were observed for the 166Er (zero nuclear magnetic moment) and 167Er (I=7/2) isotopes, respectively. The values of the elements of the anisotropic 2- and Ã2-tensors of the 167Er3+ ion, and those of the 2 tensor for the 166Er ion, were estimated. The admixture of crystal-field wave functions in the ground-state wave function of Er3+ were determined using the experimental g-values. |
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