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Search results for: GRI
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Inhomogeneous broadening of the dominant Cr3+sites in LiTaO3 system
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Tb3+ ions in the presence of ZnS:Mn2+ nanocrystals incorporated into silica: Tb3+ and Mn2+ luminescence kinetics
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New Eu2 +sites in KMgF3:Eu2 +crystal
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Luminescence kinetics in silica gel doped with Tb3+ ions and ZnS:Mn2+ nanocrystals
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3 d 3 system – Comparison of Mn 4+ and Cr 3+ in different lattices
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High pressure spectroscopy of chromium doped LiTaO3crystals
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Reply to the ‘Comment on “Spectroscopic properties and location of the Ce3+ energy levels in Y3Al2Ga3O12 and Y3Ga5O12 at ambient and high hydrostatic pressure”’ by Y. Wang, M. Głowacki, M. Berkowski, A. Kamińska and A. Suchocki, Phys. Chem. Chem. Phys., 2019, 21, DOI: 10.1039/C8CP06154H
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Luminescence of LiBaF3 and KMgF3 doped with Eu2+
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Low temperature luminescence of KMgF3:Eu2+ crystal
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Spectroscopic properties of high-temperature sintered SrS:0.05%Ce3+ under high hydrostatic pressure
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KMgF3:Eu2+ as a new fluorescence-based pressure sensor for diamond anvil cell experiments
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Influence of high hydrostatic pressure on Eu2+-luminescence in KMgF3:Eu2+ crystal
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Influence of charge transfer state on Eu 3+ luminescence in LaAlO 3 , by high pressure spectroscopy
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Crystal field model of the three principal Cr3+centers in LiTaO3
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Temperature evolution of the luminescence decay of Sr0.33Ba0.67Nb2O6: Pr3+
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Pressure evolution of luminescence in Sr Ba1−(NbO2)3:Pr3+ (x=1/2 and 1/3)
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Ferro- and antiferro-magnetism in (Np, Pu)BC
PublicationTwo new transuranium metal boron carbides, NpBC and PuBC, have been synthesized. Rietveld refinements of powder XRD patterns of {Np,Pu} BC confirmed in both cases isotypism with the structure type of UBC. Temperature dependent magnetic susceptibility data reveal antiferromagnetic ordering for PuBC below T-N = 44 K, whereas ferromagnetic ordering was found for NpBC below T-C = 61 K. Heat capacity measurements prove the bulk character...
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Development of Staphylococcus aureus tolerance to antimicrobial photodynamic inactivation and antimicrobial blue light upon sub-lethal treatment
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Superoxide dismutase is upregulated in Staphylococcus aureus following protoporphyrin-mediated photodynamic inactivation and does not directly influence the response to photodynamic treatment
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Antimicrobial blue light photoinactivation of Pseudomonas aeruginosa : Quorum sensing signaling molecules, biofilm formation and pathogenicity
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European Grid Conference
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237Np Mössbauer effect study on NpFeAsO
PublicationWe report 237Np Mössbauer measurements on NpFeAsO. The Np atoms were found to occupy only one crystallographic site. The value of the isomer shift (δ ∼ 9.1 mm s−1 versus NpAl2) indicates a 5f4 electronic configuration (Np3+ ions). The magnetic ordering of the Np sublattice below 60 K is established and the saturated ordered magnetic moment is determined to be 1.73μB at 3.6 K. The unique set of hyperfine parameters exclude a modulated...
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Unusual behaviour of (Np,Pu)B2C
PublicationTwo transuranium metal boron carbides, NpB2C and PuB2C have been synthesized by argon arc melting. The crystal structures of the {Np,Pu}B2C compounds were determined from single-crystal X-ray data to be isotypic with the ThB2C-type (space group R3m, a = 0.6532(2) nm; c = 1.0769(3) nm for NpB2C and a = 0.6509(2) nm; c = 1.0818(3) nm for PuB2C; Z = 9). Physical properties have been derived from polycrystalline bulk material in the...
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Thermal quenching of Ce3+luminescence in the cuspidine-type oxide nitride compounds Y4Si2−xAlxO7+xN2−x
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Structural phase transitions and photoluminescence properties of oxonitridosilicate phosphors under high hydrostatic pressure
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Murine Model Imitating Chronic Wound Infections for Evaluation of Antimicrobial Photodynamic Therapy Efficacy
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The influence of Si4+ co-doping on the spectroscopic properties of β-NaCaPO4:Eu2+/Eu3+
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Pressure-induced phase transition in LiLuF4:Pr3+investigated by an optical technique
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Spectroscopic properties and location of the Ce3+ energy levels in Y3Al2Ga3O12 and Y3Ga5O12 at ambient and high hydrostatic pressure
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Role of adenylate kinase 4 as a new metabolic regulator of pulmonary artery smooth muscle cells under hypoxia
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Chemical Composition, In Vitro and In Situ Antimicrobial and Antibiofilm Activities of Syzygium aromaticum (Clove) Essential Oil
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Pressure effects on the superconductivity of the HfPd2Al Heusler compound: Experimental and theoretical study
PublicationPolycrystalline HfPd2Al has been synthesized using the arc-melting method and studied under ambient-pressure conditions by x-ray diffraction from room temperature up to 450 °C. High-pressure x-ray diffraction up to 23 GPa was also performed using Diacell-type membrane diamond anvil cells. The estimated linear thermal expansion coefficient was found to be α=1.40(3)×10−5K−1, and the bulk modulus derived from the fit to the third-order...
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Synthesis and properties of AxV2Al20 (A = Th, U, Np, Pu) ternary actinide aluminides
PublicationPolycrystalline samples of AxV2Al20 (A = Ce, Th, U, Np, Pu; 0.7 ≤ x ≤ 1.0) actinide intermetallics were synthesized using the arc-melting method. Crystal structure studies were performed by means of powder x-ray diffraction and the Rietveld refinement method. All studied compounds crystallize in the CeCr2Al20-type structure (space group Fd-3m, no. 227) with the actinoid and Ce atom located in the oversized icosahedral cage formed...
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Factors Determining the Susceptibility of Bacteria to Antibacterial Photodynamic Inactivation
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Luminescence of Ca(NbO3)2:Pr3+ at ambient and high hydrostatic pressure
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Pressure dependence of electron-phonon coupling inCe3+-dopedGd3Sc2Al3O12garnet crystals
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Pressure and temperature dependence of the emission in BaF2:Eu and SrF2:Eu
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Comparison of quenching mechanisms in Gd3Al5−xGaxO12:Ce3+ (x = 3 and 5) garnet phosphors by photocurrent excitation spectroscopy
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High pressure evolution of YVO4:Pr3+luminescence
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High pressure luminescence of Y V O4:Pr3+
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Luminescence Spectra of β-SiAlON/Pr3+ Under High Hydrostatic Pressure
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Pressure dependence of the Sr2Si5N8:Eu2+ luminescence
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Optical processes in YVO4:Eu3+across zircon-to-scheelite phase transition
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Luminescence of Ca(NbO3)2:Pr3+: Pr3+ and self-trapped exciton emission
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Binding energies of Eu2+ and Eu3+ ions in β-Ca2SiO4 doped with europium
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Pressure effects on the luminescence properties of CaWO4:Pr3+
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Evolution of the optical properties of chromium doped calcium tetraborate glass under high pressure
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Luminescence and Luminescence Kinetics of Gd3Ga5O12Polycrystals Doped with Cr3+and Pr3+
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Corrigendum to “Binding energies of Eu2+ and Eu3+ ions in β-Ca2SiO4 doped with europium” [Opt. Mater. 35 (2013) 2107–2114]
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New Pr3+ site in β-SiAlON red phosphor
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