Rabanal, Maria Eugenia

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78376117-511e-4daf-9dfa-004edf8decb0
  • Rabanal, Maria Eugenia (6)
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Author's Bibliography

Sinteza i luminescentne karakteristike nanostrukturnih Y2O3:Eu3+ prahova

Marinković, Katarina; Mančić, Lidija; Gomez, Luz; Rabanal, Maria Eugenia; Dramićanin, Miroslav; Milošević, Olivera

(Beograd : Društvo za istraživanje materijala, 2008)

TY  - CONF
AU  - Marinković, Katarina
AU  - Mančić, Lidija
AU  - Gomez, Luz
AU  - Rabanal, Maria Eugenia
AU  - Dramićanin, Miroslav
AU  - Milošević, Olivera
PY  - 2008
UR  - https://dais.sanu.ac.rs/123456789/15213
AB  - Nanostrukturni prahovi Y2O3 dopirani sa 5 i 10 at% europijuma su sintetisani metodom sprej pirolize na 900°C i naknadno termički tretirani na temperaturama od 1000 do 1200°C 12 h. Strukturne i emisione karakteristike prahova su ispitane XRD analizom, skaning (SEM) i transmisionom elektronskom mikroskopijom (TEM) kao i fotoluminescentnom spektrometrijom. Dobijeni prahovi su teseralne strukture sa prostornom Ia3 grupom, sferične morfologije, neaglomerisani i sa početnom veličinom kristalita od 20nm. Luminescentna merenja su pokazala karakteristične prelaze trovalentnog europijuma inkorporiranog u rešetku itrijum oksida, dok je utvrđivanjem vremena života ispitan uticaj koncentracije dopanta i temperature žarenja na
funkcionalne karakteristike praha.
PB  - Beograd : Društvo za istraživanje materijala
PB  - Beograd : Institut tehničkih nauka SANU
C3  - Program & zbornik apstrakata / Sedma konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 22.-24. decembar 2008. godine
T1  - Sinteza i luminescentne karakteristike nanostrukturnih Y2O3:Eu3+ prahova
SP  - 1
EP  - 1
UR  - https://hdl.handle.net/21.15107/rcub_dais_15213
ER  - 
@conference{
author = "Marinković, Katarina and Mančić, Lidija and Gomez, Luz and Rabanal, Maria Eugenia and Dramićanin, Miroslav and Milošević, Olivera",
year = "2008",
abstract = "Nanostrukturni prahovi Y2O3 dopirani sa 5 i 10 at% europijuma su sintetisani metodom sprej pirolize na 900°C i naknadno termički tretirani na temperaturama od 1000 do 1200°C 12 h. Strukturne i emisione karakteristike prahova su ispitane XRD analizom, skaning (SEM) i transmisionom elektronskom mikroskopijom (TEM) kao i fotoluminescentnom spektrometrijom. Dobijeni prahovi su teseralne strukture sa prostornom Ia3 grupom, sferične morfologije, neaglomerisani i sa početnom veličinom kristalita od 20nm. Luminescentna merenja su pokazala karakteristične prelaze trovalentnog europijuma inkorporiranog u rešetku itrijum oksida, dok je utvrđivanjem vremena života ispitan uticaj koncentracije dopanta i temperature žarenja na
funkcionalne karakteristike praha.",
publisher = "Beograd : Društvo za istraživanje materijala, Beograd : Institut tehničkih nauka SANU",
journal = "Program & zbornik apstrakata / Sedma konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 22.-24. decembar 2008. godine",
title = "Sinteza i luminescentne karakteristike nanostrukturnih Y2O3:Eu3+ prahova",
pages = "1-1",
url = "https://hdl.handle.net/21.15107/rcub_dais_15213"
}
Marinković, K., Mančić, L., Gomez, L., Rabanal, M. E., Dramićanin, M.,& Milošević, O.. (2008). Sinteza i luminescentne karakteristike nanostrukturnih Y2O3:Eu3+ prahova. in Program & zbornik apstrakata / Sedma konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 22.-24. decembar 2008. godine
Beograd : Društvo za istraživanje materijala., 1-1.
https://hdl.handle.net/21.15107/rcub_dais_15213
Marinković K, Mančić L, Gomez L, Rabanal ME, Dramićanin M, Milošević O. Sinteza i luminescentne karakteristike nanostrukturnih Y2O3:Eu3+ prahova. in Program & zbornik apstrakata / Sedma konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 22.-24. decembar 2008. godine. 2008;:1-1.
https://hdl.handle.net/21.15107/rcub_dais_15213 .
Marinković, Katarina, Mančić, Lidija, Gomez, Luz, Rabanal, Maria Eugenia, Dramićanin, Miroslav, Milošević, Olivera, "Sinteza i luminescentne karakteristike nanostrukturnih Y2O3:Eu3+ prahova" in Program & zbornik apstrakata / Sedma konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 22.-24. decembar 2008. godine (2008):1-1,
https://hdl.handle.net/21.15107/rcub_dais_15213 .

Structural properties of europia-doped-gadolinia synthesized through aerosol

Rabanal, Maria Eugenia; Gómez, Luz Stella; Khalifa, A.; Torralba, Jose Manuel; Mančić, Lidija; Milošević, Olivera

(Elsevier BV, 2007)

TY  - JOUR
AU  - Rabanal, Maria Eugenia
AU  - Gómez, Luz Stella
AU  - Khalifa, A.
AU  - Torralba, Jose Manuel
AU  - Mančić, Lidija
AU  - Milošević, Olivera
PY  - 2007
UR  - https://dais.sanu.ac.rs/123456789/15210
AB  - High purity europium-doped gadolinia (Gd2O3:Eu3+) have been prepared using spray pyrolysis technique yielding nanostructured non-agglomerated particles with spherical morphology. Comparative microstructural analysis was done for different europium concentrations. The particle homogeneity, crystallization and nanostructure development were analyzed using XRD, TEM-HRTEM and EFTEM. The existence of two different cubic phases has been identified in as-prepared samples: a bcc (SG Ia3) and a fcc (Fm-3m). After the thermal treatment only the cubic Ia3 phase has been observed with the cell parameters affected with Eu3+ doping concentration and temperature, followed with progressive increase in crystallite size.
PB  - Elsevier BV
T2  - Journal of the European Ceramic Society
T1  - Structural properties of europia-doped-gadolinia synthesized through aerosol
SP  - 4325
EP  - 4328
VL  - 27
IS  - 13-15
DO  - 10.1016/j.jeurceramsoc.2007.02.151
UR  - https://hdl.handle.net/21.15107/rcub_dais_15210
ER  - 
@article{
author = "Rabanal, Maria Eugenia and Gómez, Luz Stella and Khalifa, A. and Torralba, Jose Manuel and Mančić, Lidija and Milošević, Olivera",
year = "2007",
abstract = "High purity europium-doped gadolinia (Gd2O3:Eu3+) have been prepared using spray pyrolysis technique yielding nanostructured non-agglomerated particles with spherical morphology. Comparative microstructural analysis was done for different europium concentrations. The particle homogeneity, crystallization and nanostructure development were analyzed using XRD, TEM-HRTEM and EFTEM. The existence of two different cubic phases has been identified in as-prepared samples: a bcc (SG Ia3) and a fcc (Fm-3m). After the thermal treatment only the cubic Ia3 phase has been observed with the cell parameters affected with Eu3+ doping concentration and temperature, followed with progressive increase in crystallite size.",
publisher = "Elsevier BV",
journal = "Journal of the European Ceramic Society",
title = "Structural properties of europia-doped-gadolinia synthesized through aerosol",
pages = "4325-4328",
volume = "27",
number = "13-15",
doi = "10.1016/j.jeurceramsoc.2007.02.151",
url = "https://hdl.handle.net/21.15107/rcub_dais_15210"
}
Rabanal, M. E., Gómez, L. S., Khalifa, A., Torralba, J. M., Mančić, L.,& Milošević, O.. (2007). Structural properties of europia-doped-gadolinia synthesized through aerosol. in Journal of the European Ceramic Society
Elsevier BV., 27(13-15), 4325-4328.
https://doi.org/10.1016/j.jeurceramsoc.2007.02.151
https://hdl.handle.net/21.15107/rcub_dais_15210
Rabanal ME, Gómez LS, Khalifa A, Torralba JM, Mančić L, Milošević O. Structural properties of europia-doped-gadolinia synthesized through aerosol. in Journal of the European Ceramic Society. 2007;27(13-15):4325-4328.
doi:10.1016/j.jeurceramsoc.2007.02.151
https://hdl.handle.net/21.15107/rcub_dais_15210 .
Rabanal, Maria Eugenia, Gómez, Luz Stella, Khalifa, A., Torralba, Jose Manuel, Mančić, Lidija, Milošević, Olivera, "Structural properties of europia-doped-gadolinia synthesized through aerosol" in Journal of the European Ceramic Society, 27, no. 13-15 (2007):4325-4328,
https://doi.org/10.1016/j.jeurceramsoc.2007.02.151 .,
https://hdl.handle.net/21.15107/rcub_dais_15210 .
6
9
8

Gd2O3:Eu System: Structural Study of the Influence of Luminescence Center Concentration

Rabanal, Maria Eugenia; Gómez, Luz Stella; Khalifa, A.; Mančić, Lidija; Milošević, Olivera; Torralba, José Manuel

(Zurich : Trans Tech Publications, 2007)

TY  - CONF
AU  - Rabanal, Maria Eugenia
AU  - Gómez, Luz Stella
AU  - Khalifa, A.
AU  - Mančić, Lidija
AU  - Milošević, Olivera
AU  - Torralba, José Manuel
PY  - 2007
UR  - https://www.scientific.net/MSF.534-536.1393
UR  - https://dais.sanu.ac.rs/123456789/15268
AB  - In this paper, the influence of the Eu3+ center concentration on the structural and morphological properties of the Gd2O3 system obtained by Spray Pyrolysis have been studied. The processing route includes aerosol formation by means of ultrasonic device (resonant frequency ranging of 2.1MHz) from common gadolinium and europium nitrate solutions and control over the process of the aerosol decomposition in a medium-temperature (700°C). During the process, spherical, solid, agglomerate-free, submicronic particles with a mean particle size below 800nm and with the crystallite sizes below 20nm were obtained. In order to control the particles crystal structure and to establish the conditions for the stabilization of the low-temperature gadolinia cubic phase, the process parameters like temperature distribution, gas flow rate and annealing temperatures were adopted. The nanoparticle morphology, crystalline and chemical structure were studied by XRD, SEM and EDS. TEM has been applied in order to characterize this system. The low magnification bright field images permit to identify the structure and the growth "small primary nanoparticles" through the collision/coalescence mechanisms. HRTEM permits to determine the presence of domains locally affected by "Moires Frames" and "Crystallite Size". The selected electron diffraction patterns area allow determining the presence of a polycrystalline material with two phases in the "as-prepared" samples, and only a Ia3 phase along the thermal treatment. The obtained results and the mechanisms of ultrafine phosphor particles generation were discussed in terms of precursor chemistry, process parameters and structural characteristic.
PB  - Zurich : Trans Tech Publications
C3  - Progress n Powder Metallurgy
T1  - Gd2O3:Eu System: Structural Study of the Influence of Luminescence Center Concentration
SP  - 1393
EP  - 1396
DO  - 10.4028/www.scientific.net/MSF.534-536.1393
UR  - https://hdl.handle.net/21.15107/rcub_dais_15268
ER  - 
@conference{
author = "Rabanal, Maria Eugenia and Gómez, Luz Stella and Khalifa, A. and Mančić, Lidija and Milošević, Olivera and Torralba, José Manuel",
year = "2007",
abstract = "In this paper, the influence of the Eu3+ center concentration on the structural and morphological properties of the Gd2O3 system obtained by Spray Pyrolysis have been studied. The processing route includes aerosol formation by means of ultrasonic device (resonant frequency ranging of 2.1MHz) from common gadolinium and europium nitrate solutions and control over the process of the aerosol decomposition in a medium-temperature (700°C). During the process, spherical, solid, agglomerate-free, submicronic particles with a mean particle size below 800nm and with the crystallite sizes below 20nm were obtained. In order to control the particles crystal structure and to establish the conditions for the stabilization of the low-temperature gadolinia cubic phase, the process parameters like temperature distribution, gas flow rate and annealing temperatures were adopted. The nanoparticle morphology, crystalline and chemical structure were studied by XRD, SEM and EDS. TEM has been applied in order to characterize this system. The low magnification bright field images permit to identify the structure and the growth "small primary nanoparticles" through the collision/coalescence mechanisms. HRTEM permits to determine the presence of domains locally affected by "Moires Frames" and "Crystallite Size". The selected electron diffraction patterns area allow determining the presence of a polycrystalline material with two phases in the "as-prepared" samples, and only a Ia3 phase along the thermal treatment. The obtained results and the mechanisms of ultrafine phosphor particles generation were discussed in terms of precursor chemistry, process parameters and structural characteristic.",
publisher = "Zurich : Trans Tech Publications",
journal = "Progress n Powder Metallurgy",
title = "Gd2O3:Eu System: Structural Study of the Influence of Luminescence Center Concentration",
pages = "1393-1396",
doi = "10.4028/www.scientific.net/MSF.534-536.1393",
url = "https://hdl.handle.net/21.15107/rcub_dais_15268"
}
Rabanal, M. E., Gómez, L. S., Khalifa, A., Mančić, L., Milošević, O.,& Torralba, J. M.. (2007). Gd2O3:Eu System: Structural Study of the Influence of Luminescence Center Concentration. in Progress n Powder Metallurgy
Zurich : Trans Tech Publications., 1393-1396.
https://doi.org/10.4028/www.scientific.net/MSF.534-536.1393
https://hdl.handle.net/21.15107/rcub_dais_15268
Rabanal ME, Gómez LS, Khalifa A, Mančić L, Milošević O, Torralba JM. Gd2O3:Eu System: Structural Study of the Influence of Luminescence Center Concentration. in Progress n Powder Metallurgy. 2007;:1393-1396.
doi:10.4028/www.scientific.net/MSF.534-536.1393
https://hdl.handle.net/21.15107/rcub_dais_15268 .
Rabanal, Maria Eugenia, Gómez, Luz Stella, Khalifa, A., Mančić, Lidija, Milošević, Olivera, Torralba, José Manuel, "Gd2O3:Eu System: Structural Study of the Influence of Luminescence Center Concentration" in Progress n Powder Metallurgy (2007):1393-1396,
https://doi.org/10.4028/www.scientific.net/MSF.534-536.1393 .,
https://hdl.handle.net/21.15107/rcub_dais_15268 .
1

Aerosol synthesis and characterization of nanostructured particles of Y3Al5O12:Ce3+ and Y2O3:Eu3+

Marinković, Katarina; Veselinović, Ljiljana; Gomez, Luz Stella; Rabanal, Maria Eugenia; Mančić, Lidija; Milošević, Olivera

(Belgrade : Association of the Chemical Engineers of Serbia, 2007)

TY  - JOUR
AU  - Marinković, Katarina
AU  - Veselinović, Ljiljana
AU  - Gomez, Luz Stella
AU  - Rabanal, Maria Eugenia
AU  - Mančić, Lidija
AU  - Milošević, Olivera
PY  - 2007
UR  - https://dais.sanu.ac.rs/123456789/15270
AB  - Nanostructured YAG:Ce3+ and Y2O3:Eu3+ were synthesized by low temperature (320°C) aerosol synthesis-LTAS and high temperature (900°C) aerosol synthesis-HTAS, respectively. The synthesis included aerosol generation from a nitrate precursor solution by an ultrasonic atomizer (1.3 MHz). The obtained aerosol was introduced into a tubular flow reactor, using air as the carrier gas, where successively, on a droplet level, evaporation/drying, precipitation and thermolysis occurred. The obtained powders were collected and thermally treated at different temperatures (900-1200°C). The phase development and the morphology were investigated by the X-ray powder diffraction method (XRPD) and scanning electron microscopy combined with energy dispersive spectrometry (SEM/EDS). Structural refinement was performed using the Rietveld method with the Fullprof and Koalariet programs. The average crystallite size for the Y2O3:Eu system was calculated using the Profit program. It was shown that 89 wt.% of Y3Ai5Oi2:Ce was obtained by annealing (1000°C/6 h) the as prepared, amorphous powder, synthesized by the low temperature aerosol method (LTAS). High temperature spray pyrolysis (HTAS) at 900°C led to the formation of the targeted cubic phase of Y2O3:Eu3+. The microstructural parameters of the asprepared samples of the Y2O3:Eu3+ system indicate the formation of nanostructures with crystallite size smallest than 20 nm. The substitution of luminescent centers (Ce3+, Eu3+) into a host lattice (YAG, Y2O3, respectively) was confirmed by changes in the crystal lattice parameters. Also, it was shown in both systems that good morphological characteristics (non-a­gglomerated, spherical, submicron particles) were obtained enabling improved luminescent characteristics.
PB  - Belgrade : Association of the Chemical Engineers of Serbia
T2  - Hemijska industrija
T1  - Aerosol synthesis and characterization of nanostructured particles of Y3Al5O12:Ce3+ and Y2O3:Eu3+
SP  - 101
EP  - 108
VL  - 61
IS  - 3
DO  - 10.2298/HEMIND0703101M
UR  - https://hdl.handle.net/21.15107/rcub_dais_15270
ER  - 
@article{
author = "Marinković, Katarina and Veselinović, Ljiljana and Gomez, Luz Stella and Rabanal, Maria Eugenia and Mančić, Lidija and Milošević, Olivera",
year = "2007",
abstract = "Nanostructured YAG:Ce3+ and Y2O3:Eu3+ were synthesized by low temperature (320°C) aerosol synthesis-LTAS and high temperature (900°C) aerosol synthesis-HTAS, respectively. The synthesis included aerosol generation from a nitrate precursor solution by an ultrasonic atomizer (1.3 MHz). The obtained aerosol was introduced into a tubular flow reactor, using air as the carrier gas, where successively, on a droplet level, evaporation/drying, precipitation and thermolysis occurred. The obtained powders were collected and thermally treated at different temperatures (900-1200°C). The phase development and the morphology were investigated by the X-ray powder diffraction method (XRPD) and scanning electron microscopy combined with energy dispersive spectrometry (SEM/EDS). Structural refinement was performed using the Rietveld method with the Fullprof and Koalariet programs. The average crystallite size for the Y2O3:Eu system was calculated using the Profit program. It was shown that 89 wt.% of Y3Ai5Oi2:Ce was obtained by annealing (1000°C/6 h) the as prepared, amorphous powder, synthesized by the low temperature aerosol method (LTAS). High temperature spray pyrolysis (HTAS) at 900°C led to the formation of the targeted cubic phase of Y2O3:Eu3+. The microstructural parameters of the asprepared samples of the Y2O3:Eu3+ system indicate the formation of nanostructures with crystallite size smallest than 20 nm. The substitution of luminescent centers (Ce3+, Eu3+) into a host lattice (YAG, Y2O3, respectively) was confirmed by changes in the crystal lattice parameters. Also, it was shown in both systems that good morphological characteristics (non-a­gglomerated, spherical, submicron particles) were obtained enabling improved luminescent characteristics.",
publisher = "Belgrade : Association of the Chemical Engineers of Serbia",
journal = "Hemijska industrija",
title = "Aerosol synthesis and characterization of nanostructured particles of Y3Al5O12:Ce3+ and Y2O3:Eu3+",
pages = "101-108",
volume = "61",
number = "3",
doi = "10.2298/HEMIND0703101M",
url = "https://hdl.handle.net/21.15107/rcub_dais_15270"
}
Marinković, K., Veselinović, L., Gomez, L. S., Rabanal, M. E., Mančić, L.,& Milošević, O.. (2007). Aerosol synthesis and characterization of nanostructured particles of Y3Al5O12:Ce3+ and Y2O3:Eu3+. in Hemijska industrija
Belgrade : Association of the Chemical Engineers of Serbia., 61(3), 101-108.
https://doi.org/10.2298/HEMIND0703101M
https://hdl.handle.net/21.15107/rcub_dais_15270
Marinković K, Veselinović L, Gomez LS, Rabanal ME, Mančić L, Milošević O. Aerosol synthesis and characterization of nanostructured particles of Y3Al5O12:Ce3+ and Y2O3:Eu3+. in Hemijska industrija. 2007;61(3):101-108.
doi:10.2298/HEMIND0703101M
https://hdl.handle.net/21.15107/rcub_dais_15270 .
Marinković, Katarina, Veselinović, Ljiljana, Gomez, Luz Stella, Rabanal, Maria Eugenia, Mančić, Lidija, Milošević, Olivera, "Aerosol synthesis and characterization of nanostructured particles of Y3Al5O12:Ce3+ and Y2O3:Eu3+" in Hemijska industrija, 61, no. 3 (2007):101-108,
https://doi.org/10.2298/HEMIND0703101M .,
https://hdl.handle.net/21.15107/rcub_dais_15270 .

Morphological features of Y203:Eu particles obtained through twin fluid and ultrasonic atomization

Marinković, Katarina; Gomez, Luz; Rabanal, Maria Eugenia; Mančić, Lidija; Milošević, Olivera

(Novi Sad : Faculty of Technology, 2007)

TY  - CONF
AU  - Marinković, Katarina
AU  - Gomez, Luz
AU  - Rabanal, Maria Eugenia
AU  - Mančić, Lidija
AU  - Milošević, Olivera
PY  - 2007
UR  - https://dais.sanu.ac.rs/123456789/15211
AB  - Modem display devices such as plasma display and field emission display employ advanced Eu-doped yttrium oxide material, a well-known red phosphor. Utilization in such devices requires particles with spherical shape, narrow size distribution and non-aggregation characteristics since this ensures high resolution and improved brightness. Spray pyrolysis is a feasible method for obtaining the needed phosphor particle characteristics in view of the fact that atomized precursor solution, when fed into furnace, leads to the successive solvent evaporation, drying, solute precipitation and chemical decomposition on a droplet level, ensuring the formation of particles with required compositional and structural characteristics. Atomization process can be established by two different principles: disintegration of liquid jet by an air flow in case of twin-fluid atomizers and by liquid sonication. The latter phenomenon occurs when a liquid is placed on a smooth surface that is set into vibrating motion perpendicular to the surface. When the amplitude of the underlying vibration increases to the critical value the generated standing waves start to collapse and tiny drops of liquid are ejected from the top of the degenerating waves normal to the atomizing surface. In this work yttrium oxide doped with 5 at% of europium was directly prepared by spray pyrolysis at 900°C and the effect of the type of atomization process on the morphology and the size of the particles was investigated by using RBI's ultrasonic atomizer (frequency 1.3 MHz) and a TSI 3079 Model twin-fluid atomizer. Under the frequency of 1.3 MHz generated droplets have the mean size around 3 urn. In general it is considered that droplets produced by ultrasonic atomization have a relatively narrow size distribution and smaller particle size than twin-fluid, but depending on the specific nozzle and the type of liquid delivery system employed in twin-fluid atomization submicronic droplets can be generated as well. The twin-fluid used in this work uses a compressed air atomizer with a stainless-steel twin-stream injection nozzle producing a polydisperse aerosol with a mean droplet diameter of 0.3 urn. Since the properties of advanced materials significantly depend on particle size, shape and morphology it is of great interest to find out the correlation between those characteristics and processing parameters. Detail characterization of produced powders was carried out by means of XRD, SEMIEDS and TEM analysis.
PB  - Novi Sad : Faculty of Technology
C3  - Programme and book of abstracts / The Seventh Students' Meeting - SM-2007 Processing and Application of Ceramics, December 6-8, 2007
T1  - Morphological features of Y203:Eu particles obtained through twin fluid and ultrasonic atomization
SP  - 20
EP  - 21
UR  - https://hdl.handle.net/21.15107/rcub_dais_15211
ER  - 
@conference{
author = "Marinković, Katarina and Gomez, Luz and Rabanal, Maria Eugenia and Mančić, Lidija and Milošević, Olivera",
year = "2007",
abstract = "Modem display devices such as plasma display and field emission display employ advanced Eu-doped yttrium oxide material, a well-known red phosphor. Utilization in such devices requires particles with spherical shape, narrow size distribution and non-aggregation characteristics since this ensures high resolution and improved brightness. Spray pyrolysis is a feasible method for obtaining the needed phosphor particle characteristics in view of the fact that atomized precursor solution, when fed into furnace, leads to the successive solvent evaporation, drying, solute precipitation and chemical decomposition on a droplet level, ensuring the formation of particles with required compositional and structural characteristics. Atomization process can be established by two different principles: disintegration of liquid jet by an air flow in case of twin-fluid atomizers and by liquid sonication. The latter phenomenon occurs when a liquid is placed on a smooth surface that is set into vibrating motion perpendicular to the surface. When the amplitude of the underlying vibration increases to the critical value the generated standing waves start to collapse and tiny drops of liquid are ejected from the top of the degenerating waves normal to the atomizing surface. In this work yttrium oxide doped with 5 at% of europium was directly prepared by spray pyrolysis at 900°C and the effect of the type of atomization process on the morphology and the size of the particles was investigated by using RBI's ultrasonic atomizer (frequency 1.3 MHz) and a TSI 3079 Model twin-fluid atomizer. Under the frequency of 1.3 MHz generated droplets have the mean size around 3 urn. In general it is considered that droplets produced by ultrasonic atomization have a relatively narrow size distribution and smaller particle size than twin-fluid, but depending on the specific nozzle and the type of liquid delivery system employed in twin-fluid atomization submicronic droplets can be generated as well. The twin-fluid used in this work uses a compressed air atomizer with a stainless-steel twin-stream injection nozzle producing a polydisperse aerosol with a mean droplet diameter of 0.3 urn. Since the properties of advanced materials significantly depend on particle size, shape and morphology it is of great interest to find out the correlation between those characteristics and processing parameters. Detail characterization of produced powders was carried out by means of XRD, SEMIEDS and TEM analysis.",
publisher = "Novi Sad : Faculty of Technology",
journal = "Programme and book of abstracts / The Seventh Students' Meeting - SM-2007 Processing and Application of Ceramics, December 6-8, 2007",
title = "Morphological features of Y203:Eu particles obtained through twin fluid and ultrasonic atomization",
pages = "20-21",
url = "https://hdl.handle.net/21.15107/rcub_dais_15211"
}
Marinković, K., Gomez, L., Rabanal, M. E., Mančić, L.,& Milošević, O.. (2007). Morphological features of Y203:Eu particles obtained through twin fluid and ultrasonic atomization. in Programme and book of abstracts / The Seventh Students' Meeting - SM-2007 Processing and Application of Ceramics, December 6-8, 2007
Novi Sad : Faculty of Technology., 20-21.
https://hdl.handle.net/21.15107/rcub_dais_15211
Marinković K, Gomez L, Rabanal ME, Mančić L, Milošević O. Morphological features of Y203:Eu particles obtained through twin fluid and ultrasonic atomization. in Programme and book of abstracts / The Seventh Students' Meeting - SM-2007 Processing and Application of Ceramics, December 6-8, 2007. 2007;:20-21.
https://hdl.handle.net/21.15107/rcub_dais_15211 .
Marinković, Katarina, Gomez, Luz, Rabanal, Maria Eugenia, Mančić, Lidija, Milošević, Olivera, "Morphological features of Y203:Eu particles obtained through twin fluid and ultrasonic atomization" in Programme and book of abstracts / The Seventh Students' Meeting - SM-2007 Processing and Application of Ceramics, December 6-8, 2007 (2007):20-21,
https://hdl.handle.net/21.15107/rcub_dais_15211 .

Aerosol sinteza nanostrukturnih čestica Y2O3:Eu3+

Marinković, Katarina; Mančić, Lidija; Gomez, Luz; Rabanal, Maria Eugenia; Milošević, Olivera

(Beograd : Društvo za istraživanje materijala, 2007)

TY  - CONF
AU  - Marinković, Katarina
AU  - Mančić, Lidija
AU  - Gomez, Luz
AU  - Rabanal, Maria Eugenia
AU  - Milošević, Olivera
PY  - 2007
UR  - https://dais.sanu.ac.rs/123456789/15212
AB  - Primena Y2O3:Eu3+ u savremenim displej uređajima uslovljena je posedovanjem tačno određenih strukturnih i morfoloških karakteristika prahova koje se mogu obezbediti primenom aerosol sinteze. U ovom radu Y1.9Eu0.1O3 i Y1.8Eu0.2O3 su dobijeni metodom sprej pirolize na 900°C. Sinteza je vođena tako što je dekompozicija ultrazvučno generisanog aerosola (1.3MHz) kontrolisana unutar protočnog cevnog reaktora gde se na nivou kapi sukcesivno dešavaju procesi isparavanja/sušenja, precipitacije i termolize. Kao rezultat, dobijene su sferične, pune i neaglomerisane submikronske, nanostrukturne čestice. Detaljnija karakterizacija dobijenih prahova je izvršena pomoću XRD, SEM, TEM i HRTEM analize dok je strukturno utačnjavanje urađeno pomoću programa Koalariet.
PB  - Beograd : Društvo za istraživanje materijala
PB  - Beograd : Institut tehničkih nauka SANU
C3  - Program & knjiga apstrakata / Šesta konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 24.-26. decembar 2007. godine
T1  - Aerosol sinteza nanostrukturnih čestica Y2O3:Eu3+
SP  - 12
EP  - 12
UR  - https://hdl.handle.net/21.15107/rcub_dais_15212
ER  - 
@conference{
author = "Marinković, Katarina and Mančić, Lidija and Gomez, Luz and Rabanal, Maria Eugenia and Milošević, Olivera",
year = "2007",
abstract = "Primena Y2O3:Eu3+ u savremenim displej uređajima uslovljena je posedovanjem tačno određenih strukturnih i morfoloških karakteristika prahova koje se mogu obezbediti primenom aerosol sinteze. U ovom radu Y1.9Eu0.1O3 i Y1.8Eu0.2O3 su dobijeni metodom sprej pirolize na 900°C. Sinteza je vođena tako što je dekompozicija ultrazvučno generisanog aerosola (1.3MHz) kontrolisana unutar protočnog cevnog reaktora gde se na nivou kapi sukcesivno dešavaju procesi isparavanja/sušenja, precipitacije i termolize. Kao rezultat, dobijene su sferične, pune i neaglomerisane submikronske, nanostrukturne čestice. Detaljnija karakterizacija dobijenih prahova je izvršena pomoću XRD, SEM, TEM i HRTEM analize dok je strukturno utačnjavanje urađeno pomoću programa Koalariet.",
publisher = "Beograd : Društvo za istraživanje materijala, Beograd : Institut tehničkih nauka SANU",
journal = "Program & knjiga apstrakata / Šesta konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 24.-26. decembar 2007. godine",
title = "Aerosol sinteza nanostrukturnih čestica Y2O3:Eu3+",
pages = "12-12",
url = "https://hdl.handle.net/21.15107/rcub_dais_15212"
}
Marinković, K., Mančić, L., Gomez, L., Rabanal, M. E.,& Milošević, O.. (2007). Aerosol sinteza nanostrukturnih čestica Y2O3:Eu3+. in Program & knjiga apstrakata / Šesta konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 24.-26. decembar 2007. godine
Beograd : Društvo za istraživanje materijala., 12-12.
https://hdl.handle.net/21.15107/rcub_dais_15212
Marinković K, Mančić L, Gomez L, Rabanal ME, Milošević O. Aerosol sinteza nanostrukturnih čestica Y2O3:Eu3+. in Program & knjiga apstrakata / Šesta konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 24.-26. decembar 2007. godine. 2007;:12-12.
https://hdl.handle.net/21.15107/rcub_dais_15212 .
Marinković, Katarina, Mančić, Lidija, Gomez, Luz, Rabanal, Maria Eugenia, Milošević, Olivera, "Aerosol sinteza nanostrukturnih čestica Y2O3:Eu3+" in Program & knjiga apstrakata / Šesta konferencija mladih istraživača – Nauka i inženjerstvo novih materijala 24.-26. decembar 2007. godine (2007):12-12,
https://hdl.handle.net/21.15107/rcub_dais_15212 .