Search Results - "Magdas, D.A."

Study on the effect of vanadium oxide in calcium phosphate glasses by Raman, IR and UV–vis spectroscopy by Magdas, D.A., Vedeanu, N.S., Toloman, D.

“…Vanadium doped calcium phosphate glass materials with progressive V2O5 content were prepared and analyzed by Raman, IR and UV–vis spectroscopy. The changes…”
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Fruit spirits fingerprint pointed out through artificial intelligence and FT-Raman spectroscopy by Magdas, D.A., David, M., Berghian-Grosan, C.

“…The application of artificial intelligence, i.e. Machine Learning, represents a step forward in food metabolomics/authentication approaches. The present study…”
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Structural modifications induced by addition of copper oxide to lead–phosphate glasses by Vedeanu, N., Magdas, D.A., Stefan, R.

“…xCuO(1-x)[P2O5·PbO] glass system with 0≤x≤50mol% was prepared and investigated by means of EPR and IR spectroscopy in order to evidence the structural changes…”
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EPR study of molybdenum-lead-phosphate glasses by Cozar, O., Magdas, D.A., Ardelean, I.

“…The local symmetry and interaction between paramagnetic ions in xMoO 3(1 − x)[2 P 2O 5PbO] glasses with 0.5 ⩽ x ⩽ 50 mol% are investigated by EPR spectroscopy…”
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The structural dual role of Fe2O3 in some lead-phosphate glasses by Magdas, D.A., Cozar, O., Chis, V., Ardelean, I., Vedeanu, N.

“…The FT-IR study of iron concentration effect on the xFe2O3*(1 - x)[2P2O5PbO] glass system with 0 < = x < = 50 mol% has revealed the dual role of Fe2O3 both as…”
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The influence of some transition metal ions in lead- and calcium-phosphate glasses by Vedeanu, N.S., Magdas, D.A.

“…► Preparation of phosphate glasses dopped with: CuO, V2O5, Fe2O3, MoO3. ► EPR investigation on x(CuO·V2O5)(100−x)[P2O5·CaO] glass system, x⩽50mol%. ► EPR…”
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The modifier/former role of MoO3 in some calcium-phosphate glasses by Toloman, D., Ciceo-Lucacel, R., Magdas, D.A., Regos, A., Biris, A.R., Leostean, C., Ardelean, I.

“…► A new calcium-phosphate glass system with high molybdenum content was prepared. ► The EPR spectra for different MoO3 concentrations were recorded and…”
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Raman spectroscopic study of CuO–V2O5–P2O5–CaO glass system by Vedeanu, N., Cozar, O., Ardelean, I., Lendl, B., Magdas, D.A.

“…In order to evidence the structural changes induced by CuO and V2O5 in the phosphate glass network and their modifier or former role, x(CuO*V2O5)(100 -…”
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Copper ions influence on lead–phosphate glass network by Magdas, D.A., Stefan, R., Toloman, D., Vedeanu, N.S.

“…•High-copper content 2PO2O5·PbO vitreous system has been prepared.•Qn units ratio strongly depends on CuO content.•Cu may have a possible former role over…”
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Raman spectroscopic study of some lead phosphate glasses with tungsten ions by Cozar, O., Magdas, D.A., Nasdala, L., Ardelean, I., Damian, G.

“…The structure of xWO3·(100−x)[2P2O5·PbO] glass system with 0⩽x⩽50mol% was investigated by Raman spectroscopy. The characteristic bands of these glasses due to…”
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Raman spectroscopic study of CuO–V 2O 5–P 2O 5–CaO glass system by Vedeanu, N., Cozar, O., Ardelean, I., Lendl, B., Magdas, D.A.

“…In order to evidence the structural changes induced by CuO and V 2O 5 in the phosphate glass network and their modifier or former role, x(CuO·V 2O 5)(100 −…”
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The structural dual role of Fe 2O 3 in some lead-phosphate glasses by Magdas, D.A., Cozar, O., Chis, V., Ardelean, I., Vedeanu, N.

“…The FT-IR study of iron concentration effect on the xFe 2O 3·(1 − x)[2P 2O 5PbO] glass system with 0 ≤ x ≤ 50 mol% has revealed the dual role of Fe 2O 3 both…”
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Study of microstructured indium oxide by cathodoluminescence and XPS microscopy by Magdas, D.A., Maestre, D., Cremades, A., Gregoratti, L., Piqueras, J.

“…In this work sintered thick microcrystalline films as well as micro and nanostructures of In 2O 3 have been studied. The results obtained by XPS microscopy…”
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