Vasiljević, Zorka

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orcid::0000-0002-7817-8648
  • Vasiljević, Zorka (7)
Projects

Author's Bibliography

Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis

Vasiljević, Zorka; Dojčinović, Milena P.; Krstić, Jugoslav; Ribić, Vesna; Tadić, Nenad; Ognjanović, Miloš; Auger, Sandrine; Vidić, Jasmina; Nikolić, Maria Vesna

(London : Royal Society of Chemistry, 2020)

TY  - JOUR
AU  - Vasiljević, Zorka
AU  - Dojčinović, Milena P.
AU  - Krstić, Jugoslav
AU  - Ribić, Vesna
AU  - Tadić, Nenad
AU  - Ognjanović, Miloš
AU  - Auger, Sandrine
AU  - Vidić, Jasmina
AU  - Nikolić, Maria Vesna
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3572
AB  - Nanocrystalline iron manganite powder was synthesized using the sol–gel combustion process, with
glycine as fuel. It was further calcined at 900  C for 8 h, resulting in the formation of a loose cubic
FeMnO3 powder with a small specific surface area, net-like structure and plate-like particles as
confirmed by XRD, N2 physisorption, FESEM and TEM analyses. The metal ion release was studied by
ICP-OES and showed that less than 10 ppb of Fe or Mn ions were released by leaching in water, but
0.36 ppm Fe and 3.69 ppm Mn was found in LB (Luria–Bertani) bacterial medium. The generation of
reactive oxygen species (ROS) was monitored in distilled water and bacterial medium and showed that
FeMnO3 particles do not generate O2c
  ions with or without UV irradiation, but synthesize H2O2 and
show an antioxidative effect. Besides the higher stability of FeMnO3 particles in aqueous solution they
showed an inhibitory effect on Bacillus subtilis growth in LB medium even at low concentrations
(0.01 mg ml 1), but not in BHI medium even at 1 mg ml 1. This study points out that the mechanism of
antibacterial action of engineered metal oxides needs continued investigation and specific experimental
controls
PB  - London : Royal Society of Chemistry
T2  - RSC Advances
T1  - Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis
VL  - 10
IS  - 23
SP  - 13879
EP  - 13888
DO  - 10.1039/d0ra01809k
ER  - 
@article{
author = "Vasiljević, Zorka and Dojčinović, Milena P. and Krstić, Jugoslav and Ribić, Vesna and Tadić, Nenad and Ognjanović, Miloš and Auger, Sandrine and Vidić, Jasmina and Nikolić, Maria Vesna",
year = "2020",
abstract = "Nanocrystalline iron manganite powder was synthesized using the sol–gel combustion process, with
glycine as fuel. It was further calcined at 900  C for 8 h, resulting in the formation of a loose cubic
FeMnO3 powder with a small specific surface area, net-like structure and plate-like particles as
confirmed by XRD, N2 physisorption, FESEM and TEM analyses. The metal ion release was studied by
ICP-OES and showed that less than 10 ppb of Fe or Mn ions were released by leaching in water, but
0.36 ppm Fe and 3.69 ppm Mn was found in LB (Luria–Bertani) bacterial medium. The generation of
reactive oxygen species (ROS) was monitored in distilled water and bacterial medium and showed that
FeMnO3 particles do not generate O2c
  ions with or without UV irradiation, but synthesize H2O2 and
show an antioxidative effect. Besides the higher stability of FeMnO3 particles in aqueous solution they
showed an inhibitory effect on Bacillus subtilis growth in LB medium even at low concentrations
(0.01 mg ml 1), but not in BHI medium even at 1 mg ml 1. This study points out that the mechanism of
antibacterial action of engineered metal oxides needs continued investigation and specific experimental
controls",
publisher = "London : Royal Society of Chemistry",
journal = "RSC Advances",
title = "Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis",
volume = "10",
number = "23",
pages = "13879-13888",
doi = "10.1039/d0ra01809k"
}
Vasiljević, Z., Dojčinović, M. P., Krstić, J., Ribić, V., Tadić, N., Ognjanović, M., Auger, S., Vidić, J.,& Nikolić, M. V.. (2020). Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis. in RSC Advances
London : Royal Society of Chemistry., 10(23), 13879-13888.
https://doi.org/10.1039/d0ra01809k
Vasiljević Z, Dojčinović MP, Krstić J, Ribić V, Tadić N, Ognjanović M, Auger S, Vidić J, Nikolić MV. Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis. in RSC Advances. 2020;10(23):13879-13888.
doi:10.1039/d0ra01809k .
Vasiljević, Zorka, Dojčinović, Milena P., Krstić, Jugoslav, Ribić, Vesna, Tadić, Nenad, Ognjanović, Miloš, Auger, Sandrine, Vidić, Jasmina, Nikolić, Maria Vesna, "Synthesis and antibacterial activity of iron manganite (FeMnO3) particles against the environmental bacterium Bacillus subtilis" in RSC Advances, 10, no. 23 (2020):13879-13888,
https://doi.org/10.1039/d0ra01809k . .
18
11
18

Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing

Nikolić, Maria Vesna; Vasiljević, Zorka; Luković, Miloljub; Pavlović, Vera P.; Krstić, Jugoslav; Vujančević, Jelena; Tadić, Nenad; Vlahović, Branislav; Pavlović, Vladimir B.

(John Wiley & Sons, Inc., 2019)

TY  - JOUR
AU  - Nikolić, Maria Vesna
AU  - Vasiljević, Zorka
AU  - Luković, Miloljub
AU  - Pavlović, Vera P.
AU  - Krstić, Jugoslav
AU  - Vujančević, Jelena
AU  - Tadić, Nenad
AU  - Vlahović, Branislav
AU  - Pavlović, Vladimir B.
PY  - 2019
UR  - https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/ijac.13190
UR  - http://dais.sanu.ac.rs/123456789/4848
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2603
AB  - Zinc ferrite nanocrystalline powder was obtained by solid state synthesis of starting zinc oxide and hematite nanopowders. Field emission scanning electron microscopy (FESEM and transmission electron microscopy (TEM), X‐ray diffraction (XRD), X‐ray photoelectron spectroscopy (XPS) and Raman spectroscopy confirmed the formation of nanocrystalline zinc‐ferrite powder with a mixed spinel structure with small amounts of remaining zinc oxide and hematite as impurities. Thick film paste was formed and screen printed on test interdigitated PdAg electrodes on alumina substrate. Formation of a porous nanocrystalline structure was confirmed by scanning electron microscopy (SEM) and Hg porosimetry. Humidity sensing properties of zinc ferrite thick films were investigated by monitoring the change in impedance in the relative humidity interval 30‐90% in the frequency range 42 Hz – 1 MHz at room temperature (25 °C) and 50 °C. At 42 Hz at both analyzed temperatures the impedance reduced ~ 46 times in the humidity range 30‐90%. The dominant influence of grain boundaries was confirmed by analysis of complex impedance with an equivalent circuit.
PB  - John Wiley & Sons, Inc.
T2  - International Journal of Applied Ceramic Technology
T1  - Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing
DO  - 10.1111/ijac.13190
ER  - 
@article{
author = "Nikolić, Maria Vesna and Vasiljević, Zorka and Luković, Miloljub and Pavlović, Vera P. and Krstić, Jugoslav and Vujančević, Jelena and Tadić, Nenad and Vlahović, Branislav and Pavlović, Vladimir B.",
year = "2019",
abstract = "Zinc ferrite nanocrystalline powder was obtained by solid state synthesis of starting zinc oxide and hematite nanopowders. Field emission scanning electron microscopy (FESEM and transmission electron microscopy (TEM), X‐ray diffraction (XRD), X‐ray photoelectron spectroscopy (XPS) and Raman spectroscopy confirmed the formation of nanocrystalline zinc‐ferrite powder with a mixed spinel structure with small amounts of remaining zinc oxide and hematite as impurities. Thick film paste was formed and screen printed on test interdigitated PdAg electrodes on alumina substrate. Formation of a porous nanocrystalline structure was confirmed by scanning electron microscopy (SEM) and Hg porosimetry. Humidity sensing properties of zinc ferrite thick films were investigated by monitoring the change in impedance in the relative humidity interval 30‐90% in the frequency range 42 Hz – 1 MHz at room temperature (25 °C) and 50 °C. At 42 Hz at both analyzed temperatures the impedance reduced ~ 46 times in the humidity range 30‐90%. The dominant influence of grain boundaries was confirmed by analysis of complex impedance with an equivalent circuit.",
publisher = "John Wiley & Sons, Inc.",
journal = "International Journal of Applied Ceramic Technology",
title = "Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing",
doi = "10.1111/ijac.13190"
}
Nikolić, M. V., Vasiljević, Z., Luković, M., Pavlović, V. P., Krstić, J., Vujančević, J., Tadić, N., Vlahović, B.,& Pavlović, V. B.. (2019). Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing. in International Journal of Applied Ceramic Technology
John Wiley & Sons, Inc...
https://doi.org/10.1111/ijac.13190
Nikolić MV, Vasiljević Z, Luković M, Pavlović VP, Krstić J, Vujančević J, Tadić N, Vlahović B, Pavlović VB. Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing. in International Journal of Applied Ceramic Technology. 2019;.
doi:10.1111/ijac.13190 .
Nikolić, Maria Vesna, Vasiljević, Zorka, Luković, Miloljub, Pavlović, Vera P., Krstić, Jugoslav, Vujančević, Jelena, Tadić, Nenad, Vlahović, Branislav, Pavlović, Vladimir B., "Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing" in International Journal of Applied Ceramic Technology (2019),
https://doi.org/10.1111/ijac.13190 . .
36
15
37

Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing

Nikolić, Maria Vesna; Vasiljević, Zorka; Luković, Miloljub; Pavlović, Vera P.; Krstić, Jugoslav; Vujančević, Jelena; Tadić, Nenad; Vlahović, Branislav; Pavlović, Vladimir B.

(John Wiley & Sons, Inc., 2019)

TY  - JOUR
AU  - Nikolić, Maria Vesna
AU  - Vasiljević, Zorka
AU  - Luković, Miloljub
AU  - Pavlović, Vera P.
AU  - Krstić, Jugoslav
AU  - Vujančević, Jelena
AU  - Tadić, Nenad
AU  - Vlahović, Branislav
AU  - Pavlović, Vladimir B.
PY  - 2019
UR  - https://ceramics.onlinelibrary.wiley.com/doi/abs/10.1111/ijac.13190
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2851
AB  - Zinc ferrite nanocrystalline powder was obtained by solid state synthesis of starting zinc oxide and hematite nanopowders. Field emission scanning electron microscopy (FESEM and transmission electron microscopy (TEM), X‐ray diffraction (XRD), X‐ray photoelectron spectroscopy (XPS) and Raman spectroscopy confirmed the formation of nanocrystalline zinc‐ferrite powder with a mixed spinel structure with small amounts of remaining zinc oxide and hematite as impurities. Thick film paste was formed and screen printed on test interdigitated PdAg electrodes on alumina substrate. Formation of a porous nanocrystalline structure was confirmed by scanning electron microscopy (SEM) and Hg porosimetry. Humidity sensing properties of zinc ferrite thick films were investigated by monitoring the change in impedance in the relative humidity interval 30‐90% in the frequency range 42 Hz – 1 MHz at room temperature (25 °C) and 50 °C. At 42 Hz at both analyzed temperatures the impedance reduced ~ 46 times in the humidity range 30‐90%. The dominant influence of grain boundaries was confirmed by analysis of complex impedance with an equivalent circuit.
PB  - John Wiley & Sons, Inc.
T2  - International Journal of Applied Ceramic Technology
T1  - Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing
VL  - 16
IS  - 3
SP  - 981
EP  - 993
DO  - 10.1111/ijac.13190
ER  - 
@article{
author = "Nikolić, Maria Vesna and Vasiljević, Zorka and Luković, Miloljub and Pavlović, Vera P. and Krstić, Jugoslav and Vujančević, Jelena and Tadić, Nenad and Vlahović, Branislav and Pavlović, Vladimir B.",
year = "2019",
abstract = "Zinc ferrite nanocrystalline powder was obtained by solid state synthesis of starting zinc oxide and hematite nanopowders. Field emission scanning electron microscopy (FESEM and transmission electron microscopy (TEM), X‐ray diffraction (XRD), X‐ray photoelectron spectroscopy (XPS) and Raman spectroscopy confirmed the formation of nanocrystalline zinc‐ferrite powder with a mixed spinel structure with small amounts of remaining zinc oxide and hematite as impurities. Thick film paste was formed and screen printed on test interdigitated PdAg electrodes on alumina substrate. Formation of a porous nanocrystalline structure was confirmed by scanning electron microscopy (SEM) and Hg porosimetry. Humidity sensing properties of zinc ferrite thick films were investigated by monitoring the change in impedance in the relative humidity interval 30‐90% in the frequency range 42 Hz – 1 MHz at room temperature (25 °C) and 50 °C. At 42 Hz at both analyzed temperatures the impedance reduced ~ 46 times in the humidity range 30‐90%. The dominant influence of grain boundaries was confirmed by analysis of complex impedance with an equivalent circuit.",
publisher = "John Wiley & Sons, Inc.",
journal = "International Journal of Applied Ceramic Technology",
title = "Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing",
volume = "16",
number = "3",
pages = "981-993",
doi = "10.1111/ijac.13190"
}
Nikolić, M. V., Vasiljević, Z., Luković, M., Pavlović, V. P., Krstić, J., Vujančević, J., Tadić, N., Vlahović, B.,& Pavlović, V. B.. (2019). Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing. in International Journal of Applied Ceramic Technology
John Wiley & Sons, Inc.., 16(3), 981-993.
https://doi.org/10.1111/ijac.13190
Nikolić MV, Vasiljević Z, Luković M, Pavlović VP, Krstić J, Vujančević J, Tadić N, Vlahović B, Pavlović VB. Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing. in International Journal of Applied Ceramic Technology. 2019;16(3):981-993.
doi:10.1111/ijac.13190 .
Nikolić, Maria Vesna, Vasiljević, Zorka, Luković, Miloljub, Pavlović, Vera P., Krstić, Jugoslav, Vujančević, Jelena, Tadić, Nenad, Vlahović, Branislav, Pavlović, Vladimir B., "Investigation of ZnFe2O4 spinel ferrite nanocrystalline screen‐printed thick films for application in humidity sensing" in International Journal of Applied Ceramic Technology, 16, no. 3 (2019):981-993,
https://doi.org/10.1111/ijac.13190 . .
37
15
37

Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films

Nikolić, Maria Vesna; Vasiljević, Zorka; Luković, Miloljub; Pavlović, Vera P.; Vujancevic, J.; Radovanović, M.; Krstić, Jugoslav; Vlahovic, B.; Pavlović, Vladimir B.

(Elsevier, 2018)

TY  - JOUR
AU  - Nikolić, Maria Vesna
AU  - Vasiljević, Zorka
AU  - Luković, Miloljub
AU  - Pavlović, Vera P.
AU  - Vujancevic, J.
AU  - Radovanović, M.
AU  - Krstić, Jugoslav
AU  - Vlahovic, B.
AU  - Pavlović, Vladimir B.
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/4277
AB  - Pseudobrookite based nanopowder was obtained by solid state synthesis of starting hematite and anatase nanopowders in the weight ratio 55:45. Structural and morphological properties were analyzed using X-ray diffraction (XRD), BET, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, UV/Vis diffuse reflectance spectroscopy, Field emission scanning electron microscopy (FESEM) and Transmission electron microscopy (TEM) confirming the formation of nanocrystalline pseudobrookite. The obtained powder was mixed with a binder (ethyl cellulose), dispersant (α-terpinol) and adhesion agents (acetic acid and distilled water) to obtain a thick film paste. It was screen printed on alumina substrate with interdigitated PdAg electrodes and fired at 600 °C for 30 min. Formation of a porous nanocrystalline thick film structure was shown using Scanning electron microscopy (SEM), while Hall measurements enabled determination of carrier mobility. Change of impedance response in the frequency range 42 Hz–1 MHz with humidity was analyzed at room temperature (25 °C) and 50 °C in the relative humidity range 30–90% and 40–90%, respectively. At 42 Hz, and room temperature the impedance reduced ∼28 times, while at 50 °C it reduced ∼147 times in the relative humidity range 40–90%. The sensor showed rapid response (16 s) and relatively low hysteresis (8.39% at 25 °C and 2.64% at 50 °C) showing that this is a promising material for application in humidity sensing.
PB  - Elsevier
T2  - Sensors and Actuators, B: Chemical
T1  - Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films
VL  - 277
SP  - 654
EP  - 664
DO  - 10.1016/j.snb.2018.09.063
ER  - 
@article{
author = "Nikolić, Maria Vesna and Vasiljević, Zorka and Luković, Miloljub and Pavlović, Vera P. and Vujancevic, J. and Radovanović, M. and Krstić, Jugoslav and Vlahovic, B. and Pavlović, Vladimir B.",
year = "2018",
abstract = "Pseudobrookite based nanopowder was obtained by solid state synthesis of starting hematite and anatase nanopowders in the weight ratio 55:45. Structural and morphological properties were analyzed using X-ray diffraction (XRD), BET, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, UV/Vis diffuse reflectance spectroscopy, Field emission scanning electron microscopy (FESEM) and Transmission electron microscopy (TEM) confirming the formation of nanocrystalline pseudobrookite. The obtained powder was mixed with a binder (ethyl cellulose), dispersant (α-terpinol) and adhesion agents (acetic acid and distilled water) to obtain a thick film paste. It was screen printed on alumina substrate with interdigitated PdAg electrodes and fired at 600 °C for 30 min. Formation of a porous nanocrystalline thick film structure was shown using Scanning electron microscopy (SEM), while Hall measurements enabled determination of carrier mobility. Change of impedance response in the frequency range 42 Hz–1 MHz with humidity was analyzed at room temperature (25 °C) and 50 °C in the relative humidity range 30–90% and 40–90%, respectively. At 42 Hz, and room temperature the impedance reduced ∼28 times, while at 50 °C it reduced ∼147 times in the relative humidity range 40–90%. The sensor showed rapid response (16 s) and relatively low hysteresis (8.39% at 25 °C and 2.64% at 50 °C) showing that this is a promising material for application in humidity sensing.",
publisher = "Elsevier",
journal = "Sensors and Actuators, B: Chemical",
title = "Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films",
volume = "277",
pages = "654-664",
doi = "10.1016/j.snb.2018.09.063"
}
Nikolić, M. V., Vasiljević, Z., Luković, M., Pavlović, V. P., Vujancevic, J., Radovanović, M., Krstić, J., Vlahovic, B.,& Pavlović, V. B.. (2018). Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films. in Sensors and Actuators, B: Chemical
Elsevier., 277, 654-664.
https://doi.org/10.1016/j.snb.2018.09.063
Nikolić MV, Vasiljević Z, Luković M, Pavlović VP, Vujancevic J, Radovanović M, Krstić J, Vlahovic B, Pavlović VB. Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films. in Sensors and Actuators, B: Chemical. 2018;277:654-664.
doi:10.1016/j.snb.2018.09.063 .
Nikolić, Maria Vesna, Vasiljević, Zorka, Luković, Miloljub, Pavlović, Vera P., Vujancevic, J., Radovanović, M., Krstić, Jugoslav, Vlahovic, B., Pavlović, Vladimir B., "Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films" in Sensors and Actuators, B: Chemical, 277 (2018):654-664,
https://doi.org/10.1016/j.snb.2018.09.063 . .
40
22
37

Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films

Nikolić, Maria Vesna; Vasiljević, Zorka; Luković, Miloljub; Pavlović, Vera P.; Vujancevic, J.; Radovanović, M.; Krstić, Jugoslav; Vlahovic, B.; Pavlović, Vladimir B.

(Elsevier, 2018)

TY  - JOUR
AU  - Nikolić, Maria Vesna
AU  - Vasiljević, Zorka
AU  - Luković, Miloljub
AU  - Pavlović, Vera P.
AU  - Vujancevic, J.
AU  - Radovanović, M.
AU  - Krstić, Jugoslav
AU  - Vlahovic, B.
AU  - Pavlović, Vladimir B.
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2414
AB  - Pseudobrookite based nanopowder was obtained by solid state synthesis of starting hematite and anatase nanopowders in the weight ratio 55:45. Structural and morphological properties were analyzed using X-ray diffraction (XRD), BET, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, UV/Vis diffuse reflectance spectroscopy, Field emission scanning electron microscopy (FESEM) and Transmission electron microscopy (TEM) confirming the formation of nanocrystalline pseudobrookite. The obtained powder was mixed with a binder (ethyl cellulose), dispersant (α-terpinol) and adhesion agents (acetic acid and distilled water) to obtain a thick film paste. It was screen printed on alumina substrate with interdigitated PdAg electrodes and fired at 600 °C for 30 min. Formation of a porous nanocrystalline thick film structure was shown using Scanning electron microscopy (SEM), while Hall measurements enabled determination of carrier mobility. Change of impedance response in the frequency range 42 Hz–1 MHz with humidity was analyzed at room temperature (25 °C) and 50 °C in the relative humidity range 30–90% and 40–90%, respectively. At 42 Hz, and room temperature the impedance reduced ∼28 times, while at 50 °C it reduced ∼147 times in the relative humidity range 40–90%. The sensor showed rapid response (16 s) and relatively low hysteresis (8.39% at 25 °C and 2.64% at 50 °C) showing that this is a promising material for application in humidity sensing.
PB  - Elsevier
T2  - Sensors and Actuators, B: Chemical
T1  - Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films
VL  - 277
SP  - 654
EP  - 664
DO  - 10.1016/j.snb.2018.09.063
ER  - 
@article{
author = "Nikolić, Maria Vesna and Vasiljević, Zorka and Luković, Miloljub and Pavlović, Vera P. and Vujancevic, J. and Radovanović, M. and Krstić, Jugoslav and Vlahovic, B. and Pavlović, Vladimir B.",
year = "2018",
abstract = "Pseudobrookite based nanopowder was obtained by solid state synthesis of starting hematite and anatase nanopowders in the weight ratio 55:45. Structural and morphological properties were analyzed using X-ray diffraction (XRD), BET, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, UV/Vis diffuse reflectance spectroscopy, Field emission scanning electron microscopy (FESEM) and Transmission electron microscopy (TEM) confirming the formation of nanocrystalline pseudobrookite. The obtained powder was mixed with a binder (ethyl cellulose), dispersant (α-terpinol) and adhesion agents (acetic acid and distilled water) to obtain a thick film paste. It was screen printed on alumina substrate with interdigitated PdAg electrodes and fired at 600 °C for 30 min. Formation of a porous nanocrystalline thick film structure was shown using Scanning electron microscopy (SEM), while Hall measurements enabled determination of carrier mobility. Change of impedance response in the frequency range 42 Hz–1 MHz with humidity was analyzed at room temperature (25 °C) and 50 °C in the relative humidity range 30–90% and 40–90%, respectively. At 42 Hz, and room temperature the impedance reduced ∼28 times, while at 50 °C it reduced ∼147 times in the relative humidity range 40–90%. The sensor showed rapid response (16 s) and relatively low hysteresis (8.39% at 25 °C and 2.64% at 50 °C) showing that this is a promising material for application in humidity sensing.",
publisher = "Elsevier",
journal = "Sensors and Actuators, B: Chemical",
title = "Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films",
volume = "277",
pages = "654-664",
doi = "10.1016/j.snb.2018.09.063"
}
Nikolić, M. V., Vasiljević, Z., Luković, M., Pavlović, V. P., Vujancevic, J., Radovanović, M., Krstić, J., Vlahovic, B.,& Pavlović, V. B.. (2018). Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films. in Sensors and Actuators, B: Chemical
Elsevier., 277, 654-664.
https://doi.org/10.1016/j.snb.2018.09.063
Nikolić MV, Vasiljević Z, Luković M, Pavlović VP, Vujancevic J, Radovanović M, Krstić J, Vlahovic B, Pavlović VB. Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films. in Sensors and Actuators, B: Chemical. 2018;277:654-664.
doi:10.1016/j.snb.2018.09.063 .
Nikolić, Maria Vesna, Vasiljević, Zorka, Luković, Miloljub, Pavlović, Vera P., Vujancevic, J., Radovanović, M., Krstić, Jugoslav, Vlahovic, B., Pavlović, Vladimir B., "Humidity sensing properties of nanocrystalline pseudobrookite (Fe2TiO5) based thick films" in Sensors and Actuators, B: Chemical, 277 (2018):654-664,
https://doi.org/10.1016/j.snb.2018.09.063 . .
40
22
38

Two Step Sintering of ZnTiO3 nanopowder

Labus, Nebojsa; Vasiljević, Zorka; Vasiljević-Radović, Dana; Rakic, Srdan; Nikolic, Maria V.

(International Institute for the Science of Sintering, Beograd, 2017)

TY  - JOUR
AU  - Labus, Nebojsa
AU  - Vasiljević, Zorka
AU  - Vasiljević-Radović, Dana
AU  - Rakic, Srdan
AU  - Nikolic, Maria V.
PY  - 2017
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2203
AB  - Metastable nanopowder ZnTiO3 was pressed into cylindrical compacts at 200 MPa. Compacts were treated by conventional heating with isothermal holding at 931 degrees C for 10 minutes, 25 minutes and 40 minutes. ZnTiO3 compacts were also heated with a two-step sintering schedule with maximal 913 degrees C and isothermal holding at 896 degrees C, for approximately the same holding times as the isothermal schedule. Shrinkage during heating was monitored with a dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most interesting samples. Microstructures of sintered specimens showed differences introduced during the last sintering stage by the two different heating schedules. Goal of the presented work was to discuss the possible sintering mechanisms for the two step sintering schedulle according to the presented results.
PB  - International Institute for the Science of Sintering, Beograd
T2  - Science of Sintering
T1  - Two Step Sintering of ZnTiO3 nanopowder
VL  - 49
IS  - 1
SP  - 51
EP  - 60
DO  - 10.2298/SOS1701051L
ER  - 
@article{
author = "Labus, Nebojsa and Vasiljević, Zorka and Vasiljević-Radović, Dana and Rakic, Srdan and Nikolic, Maria V.",
year = "2017",
abstract = "Metastable nanopowder ZnTiO3 was pressed into cylindrical compacts at 200 MPa. Compacts were treated by conventional heating with isothermal holding at 931 degrees C for 10 minutes, 25 minutes and 40 minutes. ZnTiO3 compacts were also heated with a two-step sintering schedule with maximal 913 degrees C and isothermal holding at 896 degrees C, for approximately the same holding times as the isothermal schedule. Shrinkage during heating was monitored with a dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most interesting samples. Microstructures of sintered specimens showed differences introduced during the last sintering stage by the two different heating schedules. Goal of the presented work was to discuss the possible sintering mechanisms for the two step sintering schedulle according to the presented results.",
publisher = "International Institute for the Science of Sintering, Beograd",
journal = "Science of Sintering",
title = "Two Step Sintering of ZnTiO3 nanopowder",
volume = "49",
number = "1",
pages = "51-60",
doi = "10.2298/SOS1701051L"
}
Labus, N., Vasiljević, Z., Vasiljević-Radović, D., Rakic, S.,& Nikolic, M. V.. (2017). Two Step Sintering of ZnTiO3 nanopowder. in Science of Sintering
International Institute for the Science of Sintering, Beograd., 49(1), 51-60.
https://doi.org/10.2298/SOS1701051L
Labus N, Vasiljević Z, Vasiljević-Radović D, Rakic S, Nikolic MV. Two Step Sintering of ZnTiO3 nanopowder. in Science of Sintering. 2017;49(1):51-60.
doi:10.2298/SOS1701051L .
Labus, Nebojsa, Vasiljević, Zorka, Vasiljević-Radović, Dana, Rakic, Srdan, Nikolic, Maria V., "Two Step Sintering of ZnTiO3 nanopowder" in Science of Sintering, 49, no. 1 (2017):51-60,
https://doi.org/10.2298/SOS1701051L . .
1
3
3

Two step sintering of the ZnTiO3 nanopowder

Vasiljević, Zorka; Vasiljević-Radović, Dana; Nikolić, Maria Vesna; Labus, Nebojša

(Belgrade : Institute for Multidisciplinary Research, University of Belgrade, 2015)

TY  - CONF
AU  - Vasiljević, Zorka
AU  - Vasiljević-Radović, Dana
AU  - Nikolić, Maria Vesna
AU  - Labus, Nebojša
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/15426
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/2865
AB  - Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with two-step sintering schedule with maximal 912oC and isothermal holding at 896oC, for approximately the same holding times as with isothermal. Shrinkage during heating was monitored with dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most prominent samples. Sintered specimens microstructure showed differences introduced during last sintering stage by two heating schedules.
PB  - Belgrade : Institute for Multidisciplinary Research, University of Belgrade
C3  - Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
T1  - Two step sintering of the ZnTiO3 nanopowder
SP  - 101
EP  - 101
UR  - https://hdl.handle.net/21.15107/rcub_dais_15426
ER  - 
@conference{
author = "Vasiljević, Zorka and Vasiljević-Radović, Dana and Nikolić, Maria Vesna and Labus, Nebojša",
year = "2015",
abstract = "Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with two-step sintering schedule with maximal 912oC and isothermal holding at 896oC, for approximately the same holding times as with isothermal. Shrinkage during heating was monitored with dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most prominent samples. Sintered specimens microstructure showed differences introduced during last sintering stage by two heating schedules.",
publisher = "Belgrade : Institute for Multidisciplinary Research, University of Belgrade",
journal = "Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia",
title = "Two step sintering of the ZnTiO3 nanopowder",
pages = "101-101",
url = "https://hdl.handle.net/21.15107/rcub_dais_15426"
}
Vasiljević, Z., Vasiljević-Radović, D., Nikolić, M. V.,& Labus, N.. (2015). Two step sintering of the ZnTiO3 nanopowder. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research, University of Belgrade., 101-101.
https://hdl.handle.net/21.15107/rcub_dais_15426
Vasiljević Z, Vasiljević-Radović D, Nikolić MV, Labus N. Two step sintering of the ZnTiO3 nanopowder. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia. 2015;:101-101.
https://hdl.handle.net/21.15107/rcub_dais_15426 .
Vasiljević, Zorka, Vasiljević-Radović, Dana, Nikolić, Maria Vesna, Labus, Nebojša, "Two step sintering of the ZnTiO3 nanopowder" in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia (2015):101-101,
https://hdl.handle.net/21.15107/rcub_dais_15426 .