TY  - JOUR
AU  - Romčević, Nebojša
AU  - Hadžić, Branka
AU  - Prekajski-Đorđević, Marija D.
AU  - Mihailović, Peđa
AU  - Ćurčić, Milica
AU  - Trajić, Jelena
AU  - Mitrić, Jelena
AU  - Romčević, Maja J.
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11027
AB  - The effect of laser (532 nm line of Verdi G) heating during the Raman measurements, on partial decomposition of Bi12SiO20 single crystal, was addressed in this study. The degree of decomposition directly depends on the power density and duration of the laser treatment, which are registered by the phonon Raman spectra. After laser treatment, AFM measurements register additional small spherical islands on the surface. Analysis performed on irradiated and unirradiated samples showed significant changes in transmission spectra, X-ray diffraction (XRD) pattern, Verdet constant, magneto-optical property, and absorption coefficient. The material obtained after laser irradiation can be described as specific nanocomposite consisting of bismuth oxide and silicon oxide-based nano-objects (dimensions below 15 nm in diameter), which are arranged in a matrix of Bi12SiO20.
T2  - Journal of Spectroscopy
T1  - Effect of Laser Heating on Partial Decomposition of Bi12SiO20 (BSO) Single Crystal: Raman Study
VL  - InPress
SP  - e5490018
DO  - 10.1155/2023/5490018
ER  - 

@article{
author = "Romčević, Nebojša and Hadžić, Branka and Prekajski-Đorđević, Marija D. and Mihailović, Peđa and Ćurčić, Milica and Trajić, Jelena and Mitrić, Jelena and Romčević, Maja J.",
year = "2023",
abstract = "The effect of laser (532 nm line of Verdi G) heating during the Raman measurements, on partial decomposition of Bi12SiO20 single crystal, was addressed in this study. The degree of decomposition directly depends on the power density and duration of the laser treatment, which are registered by the phonon Raman spectra. After laser treatment, AFM measurements register additional small spherical islands on the surface. Analysis performed on irradiated and unirradiated samples showed significant changes in transmission spectra, X-ray diffraction (XRD) pattern, Verdet constant, magneto-optical property, and absorption coefficient. The material obtained after laser irradiation can be described as specific nanocomposite consisting of bismuth oxide and silicon oxide-based nano-objects (dimensions below 15 nm in diameter), which are arranged in a matrix of Bi12SiO20.",
journal = "Journal of Spectroscopy",
title = "Effect of Laser Heating on Partial Decomposition of Bi12SiO20 (BSO) Single Crystal: Raman Study",
volume = "InPress",
pages = "e5490018",
doi = "10.1155/2023/5490018"
}

Romčević, N., Hadžić, B., Prekajski-Đorđević, M. D., Mihailović, P., Ćurčić, M., Trajić, J., Mitrić, J.,& Romčević, M. J.. (2023). Effect of Laser Heating on Partial Decomposition of Bi12SiO20 (BSO) Single Crystal: Raman Study. in Journal of Spectroscopy, InPress, e5490018.
https://doi.org/10.1155/2023/5490018

Romčević N, Hadžić B, Prekajski-Đorđević MD, Mihailović P, Ćurčić M, Trajić J, Mitrić J, Romčević MJ. Effect of Laser Heating on Partial Decomposition of Bi12SiO20 (BSO) Single Crystal: Raman Study. in Journal of Spectroscopy. 2023;InPress:e5490018.
doi:10.1155/2023/5490018 .

Romčević, Nebojša, Hadžić, Branka, Prekajski-Đorđević, Marija D., Mihailović, Peđa, Ćurčić, Milica, Trajić, Jelena, Mitrić, Jelena, Romčević, Maja J., "Effect of Laser Heating on Partial Decomposition of Bi12SiO20 (BSO) Single Crystal: Raman Study" in Journal of Spectroscopy, InPress (2023):e5490018,
https://doi.org/10.1155/2023/5490018 . .

TY  - JOUR
AU  - Hadžić, Branka B.
AU  - Matović, Branko
AU  - Ranđelović, Marjan S.
AU  - Kostić, Radmila
AU  - Romčević, Maja J.
AU  - Trajić, Jelena
AU  - Paunović, Novica
AU  - Romčević, Nebojša Ž.
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9788
AB  - In the present work experimental study of the ZnO@ZnS core-shell nanostructure with an active layer obtained by conversion of zinc oxide powders with H2S is reported. Тhe prepared structures were characterized by scanning electron microscopy, X-ray diffraction, Raman spectroscopy, and far-infrared spectroscopy. Top surface optical phonon (TSO) in ZnO, characteristic for the cylindrical nano-objects, the surface optical phonon (SOP) mode of ZnS, and SOP modes in ZnO@ZnS core-shell nanostructure are registered. Local mode of oxygen in ZnS and gap mode of sulfur in ZnO are also registered. This result is due to the existence of an active layer in the space between ZnO core and ZnS shell, which is very important for the application of these materials as thermoelectrics. © 2020 John Wiley & Sons, Ltd.
T2  - Journal of Raman Spectroscopy
T1  - Phonons investigation of ZnO@ZnS core-shell nanostructures with active layer
VL  - 52
IS  - 3
SP  - 616
EP  - 625
DO  - 10.1002/jrs.6058
ER  - 

@article{
author = "Hadžić, Branka B. and Matović, Branko and Ranđelović, Marjan S. and Kostić, Radmila and Romčević, Maja J. and Trajić, Jelena and Paunović, Novica and Romčević, Nebojša Ž.",
year = "2021",
abstract = "In the present work experimental study of the ZnO@ZnS core-shell nanostructure with an active layer obtained by conversion of zinc oxide powders with H2S is reported. Тhe prepared structures were characterized by scanning electron microscopy, X-ray diffraction, Raman spectroscopy, and far-infrared spectroscopy. Top surface optical phonon (TSO) in ZnO, characteristic for the cylindrical nano-objects, the surface optical phonon (SOP) mode of ZnS, and SOP modes in ZnO@ZnS core-shell nanostructure are registered. Local mode of oxygen in ZnS and gap mode of sulfur in ZnO are also registered. This result is due to the existence of an active layer in the space between ZnO core and ZnS shell, which is very important for the application of these materials as thermoelectrics. © 2020 John Wiley & Sons, Ltd.",
journal = "Journal of Raman Spectroscopy",
title = "Phonons investigation of ZnO@ZnS core-shell nanostructures with active layer",
volume = "52",
number = "3",
pages = "616-625",
doi = "10.1002/jrs.6058"
}

Hadžić, B. B., Matović, B., Ranđelović, M. S., Kostić, R., Romčević, M. J., Trajić, J., Paunović, N.,& Romčević, N. Ž.. (2021). Phonons investigation of ZnO@ZnS core-shell nanostructures with active layer. in Journal of Raman Spectroscopy, 52(3), 616-625.
https://doi.org/10.1002/jrs.6058

Hadžić BB, Matović B, Ranđelović MS, Kostić R, Romčević MJ, Trajić J, Paunović N, Romčević NŽ. Phonons investigation of ZnO@ZnS core-shell nanostructures with active layer. in Journal of Raman Spectroscopy. 2021;52(3):616-625.
doi:10.1002/jrs.6058 .

Hadžić, Branka B., Matović, Branko, Ranđelović, Marjan S., Kostić, Radmila, Romčević, Maja J., Trajić, Jelena, Paunović, Novica, Romčević, Nebojša Ž., "Phonons investigation of ZnO@ZnS core-shell nanostructures with active layer" in Journal of Raman Spectroscopy, 52, no. 3 (2021):616-625,
https://doi.org/10.1002/jrs.6058 . .

TY  - JOUR
AU  - Ćurčić, Milica
AU  - Hadžić, Branka B.
AU  - Gilić, Martina
AU  - Radojević, Vesna
AU  - Bjelajac, Anđelika
AU  - Radović, Ivana M.
AU  - Timotijević, Dejan
AU  - Romčević, Maja J.
AU  - Trajić, Jelena
AU  - Romčević, Nebojša Ž.
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8494
AB  - The polymer nanocomposite ZnS/Poly (methylmethacrylate) was prepared by the solution casting method and its structural and optical properties were investigated using XRD, SEM, TEM, HRTEM, and Raman spectroscopy. The basic material, ZnS, has the cubic structure and its crystallite size was estimated to be 2.3 nm, which implies that a strong confinement regime is in effect. Analysis of Raman spectra was performed using the fitting procedure based on effective medium theory. As a result, the surface optical phonon (SOP) mode was detected. It was found that the shape and position of the SOP mode depend on the type of the composite. © 2019 Elsevier B.V.
T2  - Physica E: Low-dimensional Systems and Nanostructures
T1  - Surface optical phonon (SOP) mode in ZnS/Poly (methylmethacrylate) nanocomposites
VL  - 115
SP  - 113708
DO  - 10.1016/j.physe.2019.113708
ER  - 

@article{
author = "Ćurčić, Milica and Hadžić, Branka B. and Gilić, Martina and Radojević, Vesna and Bjelajac, Anđelika and Radović, Ivana M. and Timotijević, Dejan and Romčević, Maja J. and Trajić, Jelena and Romčević, Nebojša Ž.",
year = "2020",
abstract = "The polymer nanocomposite ZnS/Poly (methylmethacrylate) was prepared by the solution casting method and its structural and optical properties were investigated using XRD, SEM, TEM, HRTEM, and Raman spectroscopy. The basic material, ZnS, has the cubic structure and its crystallite size was estimated to be 2.3 nm, which implies that a strong confinement regime is in effect. Analysis of Raman spectra was performed using the fitting procedure based on effective medium theory. As a result, the surface optical phonon (SOP) mode was detected. It was found that the shape and position of the SOP mode depend on the type of the composite. © 2019 Elsevier B.V.",
journal = "Physica E: Low-dimensional Systems and Nanostructures",
title = "Surface optical phonon (SOP) mode in ZnS/Poly (methylmethacrylate) nanocomposites",
volume = "115",
pages = "113708",
doi = "10.1016/j.physe.2019.113708"
}

Ćurčić, M., Hadžić, B. B., Gilić, M., Radojević, V., Bjelajac, A., Radović, I. M., Timotijević, D., Romčević, M. J., Trajić, J.,& Romčević, N. Ž.. (2020). Surface optical phonon (SOP) mode in ZnS/Poly (methylmethacrylate) nanocomposites. in Physica E: Low-dimensional Systems and Nanostructures, 115, 113708.
https://doi.org/10.1016/j.physe.2019.113708

Ćurčić M, Hadžić BB, Gilić M, Radojević V, Bjelajac A, Radović IM, Timotijević D, Romčević MJ, Trajić J, Romčević NŽ. Surface optical phonon (SOP) mode in ZnS/Poly (methylmethacrylate) nanocomposites. in Physica E: Low-dimensional Systems and Nanostructures. 2020;115:113708.
doi:10.1016/j.physe.2019.113708 .

Ćurčić, Milica, Hadžić, Branka B., Gilić, Martina, Radojević, Vesna, Bjelajac, Anđelika, Radović, Ivana M., Timotijević, Dejan, Romčević, Maja J., Trajić, Jelena, Romčević, Nebojša Ž., "Surface optical phonon (SOP) mode in ZnS/Poly (methylmethacrylate) nanocomposites" in Physica E: Low-dimensional Systems and Nanostructures, 115 (2020):113708,
https://doi.org/10.1016/j.physe.2019.113708 . .

TY  - JOUR
AU  - Mitrić, Jelena
AU  - Paunović, Novica M.
AU  - Mitrić, Miodrag
AU  - Vasić, Borislav Z.
AU  - Ralević, Uroš
AU  - Trajić, Jelena
AU  - Romčević, Maja J.
AU  - Dobrowolski, Witold D.
AU  - Yahia, Ibrahim S.
AU  - Romčević, Nebojša Ž.
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7808
AB  - Structural and optical properties of CdTe thin films were investigated applying atomic force microscopy (AFM), XRD powder technique, Raman spectroscopy and far–infrared spectroscopy. CdTe thin films were prepared by using thermal evaporation technique. In the analysis of the far – infrared reflection spectra, numerical model for calculating the reflectivity coefficient for system which includes films and substrate has been applied. Effective permittivity of film mixture (CdTe and air) was modeled by Maxwell – Garnet approximation. We reveal the existence of surface optical phonon (SOP) mode and coupled plasmon-SOP modes (CPSOPM). © 2018 Elsevier B.V.
T2  - Physica E: Low-dimensional Systems and Nanostructures
T1  - Surface optical phonon – Plasmon interaction in nanodimensional CdTe thin films
VL  - 104
SP  - 64
EP  - 70
DO  - 10.1016/j.physe.2018.07.021
ER  - 

@article{
author = "Mitrić, Jelena and Paunović, Novica M. and Mitrić, Miodrag and Vasić, Borislav Z. and Ralević, Uroš and Trajić, Jelena and Romčević, Maja J. and Dobrowolski, Witold D. and Yahia, Ibrahim S. and Romčević, Nebojša Ž.",
year = "2018",
abstract = "Structural and optical properties of CdTe thin films were investigated applying atomic force microscopy (AFM), XRD powder technique, Raman spectroscopy and far–infrared spectroscopy. CdTe thin films were prepared by using thermal evaporation technique. In the analysis of the far – infrared reflection spectra, numerical model for calculating the reflectivity coefficient for system which includes films and substrate has been applied. Effective permittivity of film mixture (CdTe and air) was modeled by Maxwell – Garnet approximation. We reveal the existence of surface optical phonon (SOP) mode and coupled plasmon-SOP modes (CPSOPM). © 2018 Elsevier B.V.",
journal = "Physica E: Low-dimensional Systems and Nanostructures",
title = "Surface optical phonon – Plasmon interaction in nanodimensional CdTe thin films",
volume = "104",
pages = "64-70",
doi = "10.1016/j.physe.2018.07.021"
}

Mitrić, J., Paunović, N. M., Mitrić, M., Vasić, B. Z., Ralević, U., Trajić, J., Romčević, M. J., Dobrowolski, W. D., Yahia, I. S.,& Romčević, N. Ž.. (2018). Surface optical phonon – Plasmon interaction in nanodimensional CdTe thin films. in Physica E: Low-dimensional Systems and Nanostructures, 104, 64-70.
https://doi.org/10.1016/j.physe.2018.07.021

Mitrić J, Paunović NM, Mitrić M, Vasić BZ, Ralević U, Trajić J, Romčević MJ, Dobrowolski WD, Yahia IS, Romčević NŽ. Surface optical phonon – Plasmon interaction in nanodimensional CdTe thin films. in Physica E: Low-dimensional Systems and Nanostructures. 2018;104:64-70.
doi:10.1016/j.physe.2018.07.021 .

Mitrić, Jelena, Paunović, Novica M., Mitrić, Miodrag, Vasić, Borislav Z., Ralević, Uroš, Trajić, Jelena, Romčević, Maja J., Dobrowolski, Witold D., Yahia, Ibrahim S., Romčević, Nebojša Ž., "Surface optical phonon – Plasmon interaction in nanodimensional CdTe thin films" in Physica E: Low-dimensional Systems and Nanostructures, 104 (2018):64-70,
https://doi.org/10.1016/j.physe.2018.07.021 . .

TY  - JOUR
AU  - Gilić, Martina D.
AU  - Petrović, Milica S.
AU  - Kostić, Radmila
AU  - Stojanović, Dušanka
AU  - Barudžija, Tanja
AU  - Mitrić, Miodrag
AU  - Romčević, Nebojša Ž.
AU  - Ralević, Uroš
AU  - Trajić, Jelena
AU  - Romčević, Maja J.
AU  - Yahia, Ibrahim S.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1116
AB  - This paper describes the structural and optical properties of Cu-Se thin films. The surface morphology of thin films was investigated by atomic force microscopy (AFM) and scanning electron microscopy (SEM). Formation of Cu-Se thin films is concluded to proceed unevenly, in the form of islands which later grew into agglomerates. The structural characterization of Cu-Se thin film was investigated using X-ray diffraction pattern (XRD). The presence of two-phase system is observed. One is the solid solution of Cu in Se and the other is low-pressure modification of CuSe2. The Raman spectroscopy was used to identify and quantify the individual phases present in the Cu-Se films. Red shift and asymmetry of Raman mode characteristic for CuSe2 enable us to estimate nanocrystal dimension. In the analysis of the far infrared reflection spectra, numerical model for calculating the reflectivity coefficient of layered system, which includes film with nanocrystalite inclusions (modeled by Maxwell -Garnett approximation) and substrate, has been applied. (C) 2016 Elsevier B.V. All rights reserved.
T2  - Infrared Physics and Technology
T1  - Structural and optical properties of CuSe2 nanocrystals formed in thin solid Cu-Se film
VL  - 76
SP  - 276
EP  - 284
DO  - 10.1016/j.infrared.2016.03.008
ER  - 

@article{
author = "Gilić, Martina D. and Petrović, Milica S. and Kostić, Radmila and Stojanović, Dušanka and Barudžija, Tanja and Mitrić, Miodrag and Romčević, Nebojša Ž. and Ralević, Uroš and Trajić, Jelena and Romčević, Maja J. and Yahia, Ibrahim S.",
year = "2016",
abstract = "This paper describes the structural and optical properties of Cu-Se thin films. The surface morphology of thin films was investigated by atomic force microscopy (AFM) and scanning electron microscopy (SEM). Formation of Cu-Se thin films is concluded to proceed unevenly, in the form of islands which later grew into agglomerates. The structural characterization of Cu-Se thin film was investigated using X-ray diffraction pattern (XRD). The presence of two-phase system is observed. One is the solid solution of Cu in Se and the other is low-pressure modification of CuSe2. The Raman spectroscopy was used to identify and quantify the individual phases present in the Cu-Se films. Red shift and asymmetry of Raman mode characteristic for CuSe2 enable us to estimate nanocrystal dimension. In the analysis of the far infrared reflection spectra, numerical model for calculating the reflectivity coefficient of layered system, which includes film with nanocrystalite inclusions (modeled by Maxwell -Garnett approximation) and substrate, has been applied. (C) 2016 Elsevier B.V. All rights reserved.",
journal = "Infrared Physics and Technology",
title = "Structural and optical properties of CuSe2 nanocrystals formed in thin solid Cu-Se film",
volume = "76",
pages = "276-284",
doi = "10.1016/j.infrared.2016.03.008"
}

Gilić, M. D., Petrović, M. S., Kostić, R., Stojanović, D., Barudžija, T., Mitrić, M., Romčević, N. Ž., Ralević, U., Trajić, J., Romčević, M. J.,& Yahia, I. S.. (2016). Structural and optical properties of CuSe2 nanocrystals formed in thin solid Cu-Se film. in Infrared Physics and Technology, 76, 276-284.
https://doi.org/10.1016/j.infrared.2016.03.008

Gilić MD, Petrović MS, Kostić R, Stojanović D, Barudžija T, Mitrić M, Romčević NŽ, Ralević U, Trajić J, Romčević MJ, Yahia IS. Structural and optical properties of CuSe2 nanocrystals formed in thin solid Cu-Se film. in Infrared Physics and Technology. 2016;76:276-284.
doi:10.1016/j.infrared.2016.03.008 .

Gilić, Martina D., Petrović, Milica S., Kostić, Radmila, Stojanović, Dušanka, Barudžija, Tanja, Mitrić, Miodrag, Romčević, Nebojša Ž., Ralević, Uroš, Trajić, Jelena, Romčević, Maja J., Yahia, Ibrahim S., "Structural and optical properties of CuSe2 nanocrystals formed in thin solid Cu-Se film" in Infrared Physics and Technology, 76 (2016):276-284,
https://doi.org/10.1016/j.infrared.2016.03.008 . .

TY  - JOUR
AU  - Trajić, Jelena
AU  - Romčević, Maja J.
AU  - Romčević, Nebojša Ž.
AU  - Babić, Biljana M.
AU  - Matović, Branko
AU  - Balaž, Peter
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1135
AB  - ZnS nanoparticles were synthesized mechanochemically by high-energy milling, with three different milling times (5 min, 10 min and 20 min). Nitrogen adsorption method was used for examining specific surface area and texture of obtained powders. It was found that all samples are completely mesoporous. The optical properties were studied by far-infrared spectroscopy at room temperature in spectral region of 50-600 cm(-1). The analysis of the far-infrared reflectivity spectra was made by the fitting procedure. The dielectric function of ZnS nanoparticles is modeled as a mixture of homogenous spherical inclusions in air by the Maxwell-Garnet formula. In the analysis of the far-infrared reflection spectra, appearance of combined plasmon-LO phonon modes (CPPMs) with high phonon damping are observed, which causes decrease of coupled plasmon-phonon frequencies. (C) 2016 Elsevier B.V. All rights reserved.
T2  - Optical Materials
T1  - Far-infrared spectra of mesoporous ZnS nanoparticles
VL  - 57
SP  - 225
EP  - 230
DO  - 10.1016/j.optmat.2016.05.004
ER  - 

@article{
author = "Trajić, Jelena and Romčević, Maja J. and Romčević, Nebojša Ž. and Babić, Biljana M. and Matović, Branko and Balaž, Peter",
year = "2016",
abstract = "ZnS nanoparticles were synthesized mechanochemically by high-energy milling, with three different milling times (5 min, 10 min and 20 min). Nitrogen adsorption method was used for examining specific surface area and texture of obtained powders. It was found that all samples are completely mesoporous. The optical properties were studied by far-infrared spectroscopy at room temperature in spectral region of 50-600 cm(-1). The analysis of the far-infrared reflectivity spectra was made by the fitting procedure. The dielectric function of ZnS nanoparticles is modeled as a mixture of homogenous spherical inclusions in air by the Maxwell-Garnet formula. In the analysis of the far-infrared reflection spectra, appearance of combined plasmon-LO phonon modes (CPPMs) with high phonon damping are observed, which causes decrease of coupled plasmon-phonon frequencies. (C) 2016 Elsevier B.V. All rights reserved.",
journal = "Optical Materials",
title = "Far-infrared spectra of mesoporous ZnS nanoparticles",
volume = "57",
pages = "225-230",
doi = "10.1016/j.optmat.2016.05.004"
}

Trajić, J., Romčević, M. J., Romčević, N. Ž., Babić, B. M., Matović, B.,& Balaž, P.. (2016). Far-infrared spectra of mesoporous ZnS nanoparticles. in Optical Materials, 57, 225-230.
https://doi.org/10.1016/j.optmat.2016.05.004

Trajić J, Romčević MJ, Romčević NŽ, Babić BM, Matović B, Balaž P. Far-infrared spectra of mesoporous ZnS nanoparticles. in Optical Materials. 2016;57:225-230.
doi:10.1016/j.optmat.2016.05.004 .

Trajić, Jelena, Romčević, Maja J., Romčević, Nebojša Ž., Babić, Biljana M., Matović, Branko, Balaž, Peter, "Far-infrared spectra of mesoporous ZnS nanoparticles" in Optical Materials, 57 (2016):225-230,
https://doi.org/10.1016/j.optmat.2016.05.004 . .

TY  - JOUR
AU  - Trajić, Jelena
AU  - Rabasović, Maja S.
AU  - Savić-Šević, Svetlana N.
AU  - Šević, Dragutin M.
AU  - Babić, Biljana M.
AU  - Romčević, Maja J.
AU  - Ristić-Đurović, Jasna L.
AU  - Paunović, Novica M.
AU  - Križan, Janez
AU  - Romčević, Nebojša Ž.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1210
AB  - The solution combustion synthesis was used to prepare nanopowders of yttrium aluminum garnet (YAG) and YAG doped with dysprosium ions, Dy3+, (YAG:Dy). The morphology, specific surface area, texture, and optical properties of the prepared materials were studied by the means of scanning electron microscopy (SEM), nitrogen adsorption method, and far-infrared spectroscopy at room temperature in the spectral region between 80 and 600 cm(-1). It was established that all the examined samples were microporous. The Maxwell-Garnet formula was used to model dielectric function of YAG and YAG:Dy nanopowders as mixtures of homogenous spherical inclusions in air. (C) 2016 Elsevier B.V. All rights reserved.
T2  - Infrared Physics and Technology
T1  - Far-infrared spectra of dysprosium doped yttrium aluminum garnet nanopowder
VL  - 77
SP  - 226
EP  - 229
DO  - 10.1016/j.infrared.2016.06.003
ER  - 

@article{
author = "Trajić, Jelena and Rabasović, Maja S. and Savić-Šević, Svetlana N. and Šević, Dragutin M. and Babić, Biljana M. and Romčević, Maja J. and Ristić-Đurović, Jasna L. and Paunović, Novica M. and Križan, Janez and Romčević, Nebojša Ž.",
year = "2016",
abstract = "The solution combustion synthesis was used to prepare nanopowders of yttrium aluminum garnet (YAG) and YAG doped with dysprosium ions, Dy3+, (YAG:Dy). The morphology, specific surface area, texture, and optical properties of the prepared materials were studied by the means of scanning electron microscopy (SEM), nitrogen adsorption method, and far-infrared spectroscopy at room temperature in the spectral region between 80 and 600 cm(-1). It was established that all the examined samples were microporous. The Maxwell-Garnet formula was used to model dielectric function of YAG and YAG:Dy nanopowders as mixtures of homogenous spherical inclusions in air. (C) 2016 Elsevier B.V. All rights reserved.",
journal = "Infrared Physics and Technology",
title = "Far-infrared spectra of dysprosium doped yttrium aluminum garnet nanopowder",
volume = "77",
pages = "226-229",
doi = "10.1016/j.infrared.2016.06.003"
}

Trajić, J., Rabasović, M. S., Savić-Šević, S. N., Šević, D. M., Babić, B. M., Romčević, M. J., Ristić-Đurović, J. L., Paunović, N. M., Križan, J.,& Romčević, N. Ž.. (2016). Far-infrared spectra of dysprosium doped yttrium aluminum garnet nanopowder. in Infrared Physics and Technology, 77, 226-229.
https://doi.org/10.1016/j.infrared.2016.06.003

Trajić J, Rabasović MS, Savić-Šević SN, Šević DM, Babić BM, Romčević MJ, Ristić-Đurović JL, Paunović NM, Križan J, Romčević NŽ. Far-infrared spectra of dysprosium doped yttrium aluminum garnet nanopowder. in Infrared Physics and Technology. 2016;77:226-229.
doi:10.1016/j.infrared.2016.06.003 .

Trajić, Jelena, Rabasović, Maja S., Savić-Šević, Svetlana N., Šević, Dragutin M., Babić, Biljana M., Romčević, Maja J., Ristić-Đurović, Jasna L., Paunović, Novica M., Križan, Janez, Romčević, Nebojša Ž., "Far-infrared spectra of dysprosium doped yttrium aluminum garnet nanopowder" in Infrared Physics and Technology, 77 (2016):226-229,
https://doi.org/10.1016/j.infrared.2016.06.003 . .

TY  - JOUR
AU  - Trajić, Jelena
AU  - Kostić, Radmila
AU  - Romčević, Nebojša Ž.
AU  - Romčević, Maja J.
AU  - Mitrić, Miodrag
AU  - Lazović, Vladimir M.
AU  - Balaž, Peter
AU  - Stojanović, Dušanka
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/509
AB  - ZnS nanoparticles were synthesized mechanochemically by high-energy milling. In order to investigate influence off milling time to sample properties, samples were produced in three different milling times (5 min, 10 min and 20 min). The morphology of samples has been investigated by scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM). X-ray diffraction (XRD) investigation of synthesized nanocrystals identified cubic structure. From XRD, ZnS size of crystallites was estimated as 1.9 nm (after 5 min milling time), 2.3 nm (10 min) and 2.4 nm (20 min), implying that we are in strong confinement regime. The optical properties were studied by Raman spectroscopy, in spectral region 100-500 cm(-1), excitation source was 514.5 nm (E-L = 2.41 eV), which means that we are in off resonant regime. Dominant spectral structures, of comparable intensity, are registered in spectral region 130-180 cm(-1), around 265 cm(-1) and around 345 cm(-1). First two are assigned as second-order ZnS modes. A theoretical model of continuum medium was used to calculate frequencies of the confined optical phonons in ZnS. Satisfactory agreement with experimental results was found and mode at 345 cm(-)1 is assigned as LO type phonon confined in ZnS nanocrystal. (C) 2015 Elsevier B.V. All rights reserved.
T2  - Journal of Alloys and Compounds
T1  - Raman spectroscopy of ZnS quantum dots
VL  - 637
SP  - 401
EP  - 406
DO  - 10.1016/j.jallcom.2015.03.027
ER  - 

@article{
author = "Trajić, Jelena and Kostić, Radmila and Romčević, Nebojša Ž. and Romčević, Maja J. and Mitrić, Miodrag and Lazović, Vladimir M. and Balaž, Peter and Stojanović, Dušanka",
year = "2015",
abstract = "ZnS nanoparticles were synthesized mechanochemically by high-energy milling. In order to investigate influence off milling time to sample properties, samples were produced in three different milling times (5 min, 10 min and 20 min). The morphology of samples has been investigated by scanning electron microscopy (SEM) and high resolution transmission electron microscopy (HRTEM). X-ray diffraction (XRD) investigation of synthesized nanocrystals identified cubic structure. From XRD, ZnS size of crystallites was estimated as 1.9 nm (after 5 min milling time), 2.3 nm (10 min) and 2.4 nm (20 min), implying that we are in strong confinement regime. The optical properties were studied by Raman spectroscopy, in spectral region 100-500 cm(-1), excitation source was 514.5 nm (E-L = 2.41 eV), which means that we are in off resonant regime. Dominant spectral structures, of comparable intensity, are registered in spectral region 130-180 cm(-1), around 265 cm(-1) and around 345 cm(-1). First two are assigned as second-order ZnS modes. A theoretical model of continuum medium was used to calculate frequencies of the confined optical phonons in ZnS. Satisfactory agreement with experimental results was found and mode at 345 cm(-)1 is assigned as LO type phonon confined in ZnS nanocrystal. (C) 2015 Elsevier B.V. All rights reserved.",
journal = "Journal of Alloys and Compounds",
title = "Raman spectroscopy of ZnS quantum dots",
volume = "637",
pages = "401-406",
doi = "10.1016/j.jallcom.2015.03.027"
}

Trajić, J., Kostić, R., Romčević, N. Ž., Romčević, M. J., Mitrić, M., Lazović, V. M., Balaž, P.,& Stojanović, D.. (2015). Raman spectroscopy of ZnS quantum dots. in Journal of Alloys and Compounds, 637, 401-406.
https://doi.org/10.1016/j.jallcom.2015.03.027

Trajić J, Kostić R, Romčević NŽ, Romčević MJ, Mitrić M, Lazović VM, Balaž P, Stojanović D. Raman spectroscopy of ZnS quantum dots. in Journal of Alloys and Compounds. 2015;637:401-406.
doi:10.1016/j.jallcom.2015.03.027 .

Trajić, Jelena, Kostić, Radmila, Romčević, Nebojša Ž., Romčević, Maja J., Mitrić, Miodrag, Lazović, Vladimir M., Balaž, Peter, Stojanović, Dušanka, "Raman spectroscopy of ZnS quantum dots" in Journal of Alloys and Compounds, 637 (2015):401-406,
https://doi.org/10.1016/j.jallcom.2015.03.027 . .