• N. Stan, N. Nedelcu, V. Chiroiu, C. Rugină, A. M. Mitu, A. Sobetkii, Ultrasonic and Structural Characterization of Ge2Sb2Te6 -GST Phase-Change Materials for Memory Applications, Materials Research Express, 12 105202, (2025), (IF – 2.2), ISSN: 2053-159.

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• Z.A. Alrowaili, Nada Alfryyan, S.S. Owoeye, N. Nedelcu, M. Kırkbınar, A. Alshamari, M.S. Al-Buriahi, Impact of ZrO2 on structure and gamma attenuation characteristics of Al2O3 - ZrO2 -Y2O3 -CaO ceramics system for shielding applications, J Mater Sci: Mater Electron (2025) 36:1851, (IF – 2.8), ISSN: 0957-4522.

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• N. Nedelcu, F. Harford, D. Webb, C. Rugină, A. M. Mitu, A. Sobetkii, Integrated structural, optical, and dielectric properties of PZT/ITO thin films for transparent sensor applications, Journal of the Brazilian Society of Mechanical Sciences and Engineering, (2025) 47:32(IF-1.8), ISSN: 1678-5878.6.

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• N. Nedelcu, D. Webb, N. Ackroyd, F. C de Santa, Optimizing High-Transmission Conductive Windows with Antireflection Coating for Oblique Angle Light Incidence. J. Electron. Mater. (2024), (IF- 2.1), ISSN: 0361-5235,  (IF- 2.2), ISSN: 0361-5235.

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• N. Stan, N. Nedelcu, V. Chiroiu, L. Munteanu, M. Ionescu, Optical and morphological investigations of chalcogenide GE-SB-TE thin films, Proceedings of the Romanian Academy - Series A: Mathematics, Physics, Technical Sciences, Information Science 23(3):245-255, October 2022, (IF- 1.294), ISSN: 1454- 9069.

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• N. Nedelcu, V. Chiroiu, L. Munteanu, I. Girip, C. Rugina, A. Lőrinczi, E. Matei, A. Sobetkii, Design of highly transparent conductive optical coatings optimized for oblique angle light incidence, Applied Physics A volume 127, Article number: 575 (2021), (IF= 2.7), ISSN: 0947-8396.

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• V. Chiroiu, N. Nedelcu, D. Pisla, L. Munteanu, C. Rugină, On the flexible needle insertion into the human liver, Scientific Reports volume 11, Article number: 10251 (2021), (IF-4.6), ISSN:2045-2322. 

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• V. Chiroiu, N. Nedelcu, L. Munteanu, C. Rugina, M. Ionescu, C. Dragne, On the human LIVER deformation during robotic needle insertion,The Publishing House Proceedings of the Romanian Academy, Series A, Volume 22, Number 2/2021, pp. 163–171, (IF- 1.294), ISSN: 1454- 9069.

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• N. Nedelcu, V. Chiroiu and L. Munteanu, Optimum GeSbSe layer design with respect to transmission and thickness, Optical Engineering 035109, 12 pgs. March 2021, Vol. 60(3), (IF-1.39), ISSN: 0091- 3286.

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• L. Munteanu, D. Dumitriu, C. Brisan, M. Bara, V. Chiroiu, N. Nedelcu, C. Rugina, Sliding mode control and geometrization conjecture in seismology, Preprint, doi:10.20944/preprints202102.0053.v1.

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• L. Munteanu, D. Dumitriu, C. Brisan, M. Bara, V. Chiroiu, N. Nedelcu, C. Rugina, Sliding Mode Control and Geometrization Conjecture in Seismic Response, Symmetry 2021, 13, 353, 9pg., MDPI,2021, (IF- 2.7), ISSN 2073-8994.

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• N. Nedelcu, V. Chiroiu, L. Munteanu,  C. Rugină, Uncertainties of transmittance and absorbance measurements of the chalcogenide thin films, Applied Physics A 127(2), February 2021, ISSN: 0947-8396, (IF-2.7) - ISSN: 0947-8396.

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• A. Lőrinczi, P. Bădică, T. Boțilă, M. Ciurea, A. Velea, A. Popescu, G. Socol, S. Antohe, N. Nedelcu,  A. Sobetkii, Chalcogenide Science in Romania, Physica status solidi (b)-Basic solid-state physics, Phys. Status Solidi B 2020, 2000284, (IF-1.615), ISSN 0370-1972.

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• N. Nedelcu, V. Chiroiu, L. Munteanu, I. Girip, Characterization of GeSbSe Thin Films Synthesized by the Conventional Melt-Quenching Method, Spectroscopy-IR Technology for Today’s Spectroscopists, pg22-33, Vol. 35 S3, August 2020, (IF-0.882)-ISSN: 0887-6703.

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• N. Nedelcu, V.Chiroiu, L.Munteanu, I.Girip, On the optical nonlinearity in the GeSbSe chalcogenide glasses, Materials Research Express, June 2020, Materials Research Express 7(6) (IF-2.3) ISSN 2053-1591.

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• N. Nedelcu, V. Chiroiu, C. Rugină, L. Munteanu, R. Ioan, I. Girip, C. Dragne, Dielectric properties of GeSbSe glasses prepared by the conventional meltquenching, Results in Physics 16 (2020) 102856, (IF-5.3) - ISSN:2211-3797.

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• M. Fabian, N. Dulgheru, K. Antonova, A. Szekeres, M. Gartner, Investigation of the atomic structure of Ge-Sb-Se chalcogenide glasses Advances in Condensed Matter Physics (2018), Volume 2018, Article ID 7158079, (IF-1.5) – ISSN:1687-8108.

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• N. Dulgheru (Nedelcu), M.Gartner, M. Anastasescu, M.Nicolescu, M.Stoica, H. Stroescu, I. Atkinson, V. Bratan, I. Stanculescu, A. Szekeres, P. Terziyska, M. Fabian - Influence of compositional variation on the optical and morphological properties of Ge-Sb-Se films for optoelectronics application (IF-1.851), Infrared Physics and Technology 93 (2018) 260-270 (IF-3.3) - ISSN:1350-4495.

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• N. Dulgheru, M. Stoica, J. M. Calderon-Moreno, M. Anastasescu, M. Nicolescu, H. Stroescu, I. Atkinson, I. Stanculescu, A. Szekeres, M. Gartner - Optical, morphological and durability studies of quaternary chalcogenide Ge-Sb(As)-(S,Te) films, Materials Research Bulletin 106 (2018) 234–242 (IF-5.4) - ISSN:0025-5408.

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• M. Oancea-Stanescu, V. Ciupina, G. Prodan, M.Prodan, A. Caraiane, N. Dulgheru, I. Jepu, C.P.Lungu, Transmission electron microscopy analysis and electrical measurements of carbon thin films, J.Optoel. and Adv. Materials, Vol.12 ISS.4- 2010 (April, 2010) p. 824 – 828 (IF-0.54).