Search Results - "Martinelli, J. R"
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Energy transfer and frequency upconversion in Yb3+–Er3+-doped PbO-GeO2 glass containing silver nanoparticles
Published in Applied physics. B, Lasers and optics (01-02-2009)“…We report the infrared-to-visible frequency upconversion in Er 3+ –Yb 3+ -codoped PbO-GeO 2 glass containing silver nanoparticles (NPs). The optical excitation…”
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2
Micropush-out dentine bond strength of a new gutta-percha and niobium phosphate glass composite
Published in International endodontic journal (01-05-2015)“…Aim To characterize an experimental gutta‐percha and niobium phosphate glass composite (GNB) applied with a thermoplastic technique to the root canals without…”
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3
Synthesis and characterization of niobium phosphate glasses containing barium and potassium
Published in Journal of non-crystalline solids (15-11-2004)“…The structural characteristics of phosphate glasses containing different amounts of Nb were investigated by X-ray diffraction, thermal analysis, Raman, and…”
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Journal Article Conference Proceeding -
4
Infrared-to-visible upconversion in Yb3+/Er3+ co-doped PbO-GeO2 glass with silver nanoparticles
Published in Journal of non-crystalline solids (01-10-2010)“…Enhanced frequency upconversion (UC) emission was studied in Yb3+/Er3+ co-doped PbO-GeO2 glass containing silver nanoparticles (NPs). Optical excitation was…”
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5
Optical and structural characterization of rare earth doped niobium phosphate glasses
Published in Journal of non-crystalline solids (15-11-2004)“…Phosphate glasses containing up to 45mol% of niobium were obtained. X-ray diffraction, infrared, Raman, and optical absorption spectroscopy were used to…”
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6
Influence of the temperature on the nucleation of silver nanoparticles in Tm3+/Yb3+ codoped PbO-GeO2 glasses
Published in Journal of non-crystalline solids (01-10-2010)“…The influence of the temperature on the nucleation of silver nanoparticles (NPs) in Tm3+/Yb3+ codoped PbO-GeO2 glasses was studied in this work. The…”
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7
novel method to produce niobium phosphate glasses by microwave heating
Published in Journal of materials science (15-02-2004)“…Niobium phosphate glasses were produced by microwave heating mixtures of Nb₂O₅, (NH₄)₂HPO₄, KOH, PbO, and BaCO₃. Not all tried compositions were melted during…”
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8
Optical properties of manganese in barium phosphate glasses
Published in Journal of non-crystalline solids (15-11-2004)“…Spectroscopic studies of optical properties of manganese ions in barium phosphate glasses prepared by adding 1–20mol% of Mn2O3 in the glass composition were…”
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9
Synthesis and characterization of glass–ceramic microspheres for thermotherapy
Published in Journal of non-crystalline solids (01-10-2010)“…Glass microspheres containing radionuclides are used to treat liver cancer. A promising alternative therapy is being developed based on the magnetic…”
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10
Structural features of lead iron phosphate glasses
Published in Journal of non-crystalline solids (01-06-2002)“…Lead iron–phosphate glasses were investigated for use as wasteform because of their improved chemical durability. There is a controversy if lead should or…”
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11
Comparative analyses of ion release, pH and multispecies biofilm formation between conventional and bioactive gutta-percha
Published in International endodontic journal (01-11-2016)“…Aim To analyse the effect of commercial and experimental gutta‐percha with the addition of niobium phosphate glass on biofilm formation by oral bacteria from…”
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12
Dielectric properties of barium phosphate glasses doped with transition metal oxides
Published in Journal of non-crystalline solids (15-11-2004)“…The effect of addition of small amounts of the transition metal (TM) ions of Co, Fe and Mn to the composition of barium phosphate glasses on the dielectric…”
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13
Extraction of molybdenum from spent NiMo hydrocracking catalysts assisted by ionizing radiation
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-02-2022)“…A catalyst is a substance that changes the rate of a reaction. In the petroleum industry, the catalysts are commonly used for fluid catalytic cracking and…”
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14
Evaluation of aluminosilicate glass sintering during differential scanning calorimetry
Published in Ceramics international (01-07-2015)“…The aim of this work is to investigate a difference in heat flow observed in the differential scanning calorimetry curves when aluminosilicate glasses are…”
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15
Study of colloidal phosphorus in barium phosphate glasses by gas chromatography and SAXS
Published in Journal of non-crystalline solids (01-03-2004)“…Barium phosphate glasses were obtained by melting different precursors in oxidizing or reducing atmospheres. These glasses become orange–red after a heat…”
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16
Electrical resistivity of ceramic–metal composite materials: application in crucibles for induction furnaces
Published in Ceramics international (01-04-2000)“…A study was conducted of the electrical properties of partially-stabilized zirconia ceramic matrix composites with 0 to 40 vol% of titanium, niobium, nickel,…”
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17
Titanium nitride: a key to process metallic uranium
Published in Physica status solidi. A, Applied research (01-08-2004)“…Metallic uranium is very reactive at the high temperatures used for its processing [1]; therefore special refractory crucibles must be employed. This work…”
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18
Increased Er3+ upconversion in tellurite fibers and glasses by co-doping with Yb3
Published in Optical materials (01-11-2010)Get full text
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19
Cs immobilization by sintered lead iron phosphate glasses
Published in Journal of non-crystalline solids (01-01-1999)“…Lead iron phosphate glass frits were obtained from a mixture of NH 4H 2PO 4, PbO and Fe 2O 3 melted in an induction furnace. After milling, the material was…”
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20
Effect of the ytterbium concentration on the upconversion luminescence of Yb3+/Er3+ co-doped PbO-GeO2-Ga2O3 glasses
Published in Journal of non-crystalline solids (01-11-2008)Get full text
Conference Proceeding Journal Article