Optical spectroscopy of Dy3+ ions doped in KY(WO4)2 crystals

Macalik, L.; Hanuza, J.; Macalik, B.; Ryba‐Romanowski, W.; Gołąb, Stanisław; Pietraszko, A.

doi:10.1016/s0022-2313(98)00020-9

Cited by 58 publications

(32 citation statements)

References 11 publications

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“…The discussion of Raman spectra and description of the external and internal modes was proposed based on our previous papers [10][11][12]. Our results coincide well with that of the Factor Group Analysis (FGA) for an KYb(WO 4 ) 2 crystal.…”

Section: Methodssupporting

confidence: 83%

EPR and optical properties of KYb(WO4)2 and KTb0.2Yb0.8(WO4)2 single crystals

et al. 2012

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Abstract:Well oriented KYb(WO 4 ) 2 and KTb 0 2 Yb 0 8 (WO 4 ) 2 single crystals have been investigated for their magnetic and optical properties using the Raman and EPR techniques. The registered EPR signal is dominated by three lines ascribed to ytterbium ions: one main and two satellites. Tb ions, although non-paramagnetic, distinctly modify magnetic properties of the KYb(WO 4 ) 2 single crystal. Basic parameters of the spin Hamiltonian, including Zeeman and hyperfine terms (g and A matrices) as well the spatial orientation between principal and crystallographic axes systems were determined for both crystals.

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Section: Methodssupporting

confidence: 83%

EPR and optical properties of KYb(WO4)2 and KTb0.2Yb0.8(WO4)2 single crystals

et al. 2012

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“…The vibrational properties some tungstates doped with trivalent rare earth ions have been already investigated [8][9][10][11][12][13]. However, still little is known on their vibrational properties in the low-temperature region.…”

Section: Introductionmentioning

confidence: 99%

Low-temperature vibrational properties of KGd(WO4)2: (Er, Yb) single crystals studied by Raman spectroscopy

Kasprowicz

Runka

Majchrowski

et al. 2009

Journal of Physics and Chemistry of Solids

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“…The Raman spectrum presented in Figure 1 Figure 1 was done according to the previous works (Macalik et al, 2000;Pilbrow, 1990;Macalik et al, 1998). As compare to double tungstates built of isolated tetrahedra, KGd(WO 4 ) 2 polymeric crystal does not exhibit the energy gap between the 450 and 750 cm -1 .…”

Section: Methodsmentioning

confidence: 99%

Magnetic Properties of KGd(WO4)2 Single Crystal Studied by EPR Spectroscopy

Kaczmarek

Leniec²,

Bodziony³

et al. 2013

JMSR

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Magnetic properties of magnetically concentrated KGd(WO 4 ) 2 single crystal are studied using EPR spectroscopy. The EPR spectra are broad and have a complex shape, showing contributions of a few gadolinium centers. Temperature dependence of the total intensity of the EPR spectra and the inverse of the total intensity reveal two temperatures when the behavior of the total intensity suddenly changes, first one at 66.8 ± 3.3 K and the second one at 9.9 ± 2.8 K. Detailed analysis of this dependence suggests the presence of different magnetic systems of the Gd 3+ ions. The EPR spectra were described by the spin Hamiltonian of monoclinic symmetry with electron spin S = 7/2, for which all g-matrix components and fine-structure parameters have been determined using EPR-NMR program. Raman spectra measured at low temperatures do not differ significantly from the one measured at room temperature. The analysis has given a deeper insight into different kinds of magnetic interactions between paramagnetic Gd 3+ centers in KGd(WO 4 ) 2 single crystal.

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Optical spectroscopy of Dy3+ ions doped in KY(WO4)2 crystals

Cited by 58 publications

References 11 publications

EPR and optical properties of KYb(WO4)2 and KTb0.2Yb0.8(WO4)2 single crystals

EPR and optical properties of KYb(WO4)2 and KTb0.2Yb0.8(WO4)2 single crystals

Low-temperature vibrational properties of KGd(WO4)2: (Er, Yb) single crystals studied by Raman spectroscopy

Magnetic Properties of KGd(WO4)2 Single Crystal Studied by EPR Spectroscopy

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