Optical spectra and Zeeman effect for Er3+ in LuPO4 and HfSiO4

Hayhurst, T.; Shalimoff, G.; Edelstein, Norman M.; Boatner, L. A.; Abraham, M. M.

doi:10.1063/1.440949

Cited by 48 publications

(11 citation statements)

References 6 publications

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“…Similar measurements involved cerium, neodymium, dysprosium, erbium, ytterbium and uranium at low abundance in single crystals [7]. Optical studies were made by Hayhurst et al [8,9] on erbium, praseodymium and neodymium in the phosphates of yttrium and lutetium. The g-values for a number of ions with doublet ground states in these two phosphates are given in Table 1.…”

Section: Diluted Compoundsmentioning

confidence: 93%

Magnetic properties of the lanthanide phosphates

Bleaney¹

2000

Appl. Magn. Reson.

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Section: Diluted Compoundsmentioning

confidence: 93%

Magnetic properties of the lanthanide phosphates

Bleaney¹

2000

Appl. Magn. Reson.

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“…Among them Pb 2 P 2 O 7 , PbO, PbO+PbF 2 , X 2 Mo 3 O 10 , (X=Li, K), X 2 CO 3 :MoO 3 (X=Li, Na) were tested and indeed 2-10 mm single crystals, occasionally even slightly larger ones, were successfully grown 1,[5][6][7][8][9][10][11][12][13][14] . Such crystals were not appropriate for industrial applications but were good for research, and it was showed that orthophosphates activated with lanthanides are efficient scintillators 3,15 .…”

Section: Introductionmentioning

confidence: 99%

A new photoluminescent feature in LuPO₄:Eu thermoluminescent sintered materials

2016

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Nanocrystalline powders of LuPO4:Eu were prepared at 230 °C by hydrothermal method. Their post-treatment at 900, 1200 and 1350 °C induced a moderate grain growth from ∼20-50 nm up to 80-300 nm. These powders were sintered at 1700 °C and such LuPO4:Eu materials, despite the regular Eu 3+ emission, produced a broad-band luminescence peaking around 425 nm at room temperature. The sintered LuPO4:Eu materials generated also an intense thermoluminescence with maximum around 200 °C. The photoluminescence characteristics of the broad luminescence was performed in the 20-550 K range of temperatures. While the intensity of this emission did not change within 20-550 K its decay time dropped from ∼823 μs (20 K) to ∼7 μs only (550 K) with the most potent decrease between 150 and 300 K. At the same time the emission peak position moved from ∼438 nm (20 K) to ∼412 nm (550 K). These data were explained as resulting from a two-level emitting center with the higher state being thermally populated at the expense of the lower level.

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“…9 Similar ground CFS was found for Nd 3+ ions in scheelite and Zircon-type NMO 4 hosts, [10][11][12] or for other Re 3+ Kramers ions in solid matrices. [13][14][15] As a result, the EPR spectra of the Nd 3+ ions measured at high frequencies ͑3-10 cm −1 ͒ and low temperatures are expected to be well described by a spin Hamiltonian ͑SH͒ with an effective spin one-half. Due to its increased resolution, the HF-EPR spectroscopy allows a higher accuracy in the g-factor determination.…”

Section: Study Of the Ground Multiplet Of Kramers Rare Earth Ions In mentioning

confidence: 99%

Study of the ground multiplet of Kramers rare earth ions in solid matrices by multifrequency electron paramagnetic resonance spectroscopy: Nd3+ in PbWO4 single-crystals

Popescu

Bercu

Barascu

et al. 2009

The Journal of Chemical Physics

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A multifrequency electron paramagnetic resonance (EPR) investigation of Nd(3+) impurities in PbWO(4) single-crystals at the conventional microwave frequency (MF) 9.43 GHz, and at the 95, 190, and 285 GHz high frequencies was carried out. The resulting spectra are well described at all frequencies by an axial spin-Hamiltonian corresponding to an effective electron spin of one-half and to a tetragonal symmetry. For the magnetic field along the tetragonal axis, the g(parallel)-factor and the hyperfine constant A(parallel) of the lowest doublet of the ground multiplet decreases with frequency increase. For the magnetic field perpendicular to the tetragonal axis, the g(perpendicular)-factor exhibits a small azimuthal angular dependence that increases with increasing the frequency due to the S(4) site symmetry. The azimuthal angular dependence allows to clearly distinguish between different local axial symmetries. These properties are interpreted as high field/frequency (HF) effects associated with the mixing by the large Zeeman interaction of some of the upper-lying doublets of the ground multiplet into the lowest-lying doublet states. We show that from the combined analysis of the multifrequency MF- and HF-EPR spectra and of the optical data, an accurate description of the ground multiplet of the Kramers rare earth ions in solid matrices can be derived.

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Optical spectra and Zeeman effect for Er3+ in LuPO4 and HfSiO4

Cited by 48 publications

References 6 publications

Magnetic properties of the lanthanide phosphates

Magnetic properties of the lanthanide phosphates

A new photoluminescent feature in LuPO₄:Eu thermoluminescent sintered materials

Study of the ground multiplet of Kramers rare earth ions in solid matrices by multifrequency electron paramagnetic resonance spectroscopy: Nd3+ in PbWO4 single-crystals

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Optical spectra and Zeeman effect for Er3+ in LuPO4 and HfSiO4

Cited by 48 publications

References 6 publications

Magnetic properties of the lanthanide phosphates

Magnetic properties of the lanthanide phosphates

A new photoluminescent feature in LuPO4:Eu thermoluminescent sintered materials

Study of the ground multiplet of Kramers rare earth ions in solid matrices by multifrequency electron paramagnetic resonance spectroscopy: Nd3+ in PbWO4 single-crystals

Contact Info

Product

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A new photoluminescent feature in LuPO₄:Eu thermoluminescent sintered materials