Dr. Raluca NEGREA

Scientific Researcher III

Laboratory of Atomic Structures and Defects in Advanced Materials (LASDAM)



1. Synthesis of TiO2-(B) Nanobelts for Acetone Sensing
Authors: Kumarage, GWC; Panamaldeniya, SA; Maddumage, DC; Moumen, A; Maraloiu, VA; Mihalcea, CG; Negrea, RF; Dassanayake, BS; Gunawardhana, N; Zappa, D; Galstyan, V; Comini, E

Published: OCT 2023, SENSORS, 23, 8322, DOI: 10.3390/s23198322

2. Ferroelectricity modulates polaronic coupling at multiferroic interfaces
Authors: Husanu, MA; Popescu, DG; Bisti, F; Hrib, LM; Filip, LD; Pasuk, I; Negrea, R; Istrate, MC; Lev, L; Schmitt, T; Pintilie, L; Mishchenko, A; Teodorescu, CM; Strocov, VN

Published: AUG 15 2022, COMMUNICATIONS PHYSICS, 5, 209, DOI: 10.1038/s42005-022-00983-3

3. Ferroelectric properties of ZrO2 films deposited on ITO-coated glass
Authors: Silva, JPB; Sekhar, KC; Negrea, RF; Ghica, C; Dastan, D; Gomes, MJM

Published: MAR 1 2022, CERAMICS INTERNATIONAL, 48, DOI: 10.1016/j.ceramint.2021.11.152

4. Progress and perspective on different strategies to achieve wake-up-free ferroelectric hafnia and zirconia-based thin films
Authors: Silva, JPB; Sekhar, KC; Negrea, RF; MacManus-Driscoll, JL; Pintilie, L

Published: MAR 2022, APPLIED MATERIALS TODAY, 26, 101394, DOI: 10.1016/j.apmt.2022.101394

5. Wake-up Free Ferroelectric Rhombohedral Phase in Epitaxially Strained ZrO2 Thin Films
Authors: Silva, JPB; Negrea, RF; Istrate, MC; Dutta, S; Aramberri, H; Iniguez, J; Figueiras, FG; Ghica, C; Sekhar, KC; Kholkin, AL

Published: NOV 3 2021, ACS APPLIED MATERIALS & INTERFACES, 13, 51392, DOI: 10.1021/acsami.1c15875

6. Degenerated TiO(2)Semiconductor Modified with Ni and Zn as Efficient Photocatalysts for the Water Splitting Reaction
Authors: Neatu, F; Abramiuc, LE; Trandafir, MM; Negrea, RF; Florea, M; Teodorescu, CM; Neatu, S

Published: SEP 17 2020, CHEMCATCHEM, 12, DOI: 10.1002/cctc.202000691

7. Degenerated TiO2 Semiconductor Modified with Ni and Zn as Efficient Photocatalysts for the Water Splitting Reaction
Authors: Neatu, F; Abramiuc, LE; Trandafir, MM; Negrea, RF; Florea, M; Teodorescu, CM; Neatu, S

Published: SEP 17 2020, CHEMCATCHEM, 12, 4651, DOI: 10.1002/cctc.202000691

8. Interface chemistry of pristine TiN/La: Hf 0.5 Zr 0.5 O 2 capacitors
Authors: Hamouda, W; Lubin, C; Ueda, S; Yamashita, Y; Renault, O; Mehmood, F; Mikolajick, T; Schroeder, U; Negrea, R; Barrett, N

Published: JUN 22 2020, APPLIED PHYSICS LETTERS, 116, DOI: 10.1063/5.0012595

9. Energy storage performance of ferroelectric ZrO(2)film capacitors: effect of HfO2:Al(2)O(3)dielectric insert layer
Authors: Silva, JPB; Silva, JMB; Sekhar, KC; Palneedi, H; Istrate, MC; Negrea, RF; Ghica, C; Chahboun, A; Pereira, M; Gomes, MJM

Published: JUL 28 2020, JOURNAL OF MATERIALS CHEMISTRY A, 8, 14177, DOI: 10.1039/d0ta04984k

10. Synthesis of Core-Double Shell Nylon-ZnO/Polypyrrole Electrospun Nanofibers
Authors: Beregoi, M; Preda, N; Costas, A; Enculescu, M; Negrea, RF; Iovu, H; Enculescu, I

Published: NOV 2020, NANOMATERIALS, 10, DOI: 10.3390/nano10112241

11. Performant Composite Materials Based on Oxide Semiconductors and Metallic Nanoparticles Generated from Cloves and Mandarin Peel Extracts
Authors: Zgura, I; Enculescu, M; Istrate, C; Negrea, R; Bacalum, M; Nedelcu, L; Barbinta-Patrascu, ME

Published: NOV 2020, NANOMATERIALS, 10, DOI: 10.3390/nano10112146

12. HfO2-Al2O3 Dielectric Layer for a Performing Metal-Ferroelectric-Insulator-Semiconductor Structure with a Ferroelectric 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3 Thin Film
Authors: Silva, JPB; Sekhar, KC; Veltruska, K; Matolin, V; Negrea, RF; Ghica, C; Oliveira, MJS; Moreira, JA; Pereira, M; Gomes, MJM

Published: SEP 22 2020, ACS APPLIED ELECTRONIC MATERIALS, 2, 2787, DOI: 10.1021/acsaelm.0c00480

13. Phase Control in Hafnia: New Synthesis Approach and Convergence of Average and Local Structure Properties
Authors: Cojocaru, B; Avram, D; Negrea, R; Ghica, C; Kessler, VG; Seisenbaeva, GA; Parvulescu, VI; Tiseanu, C

Published: MAY 2019, ACS OMEGA, 4, 8891, DOI: 10.1021/acsomega.9b00580

14. Unveiling the double-well energy landscape in a ferroelectric layer
Authors: Hoffmann, M; Fengler, FPG; Herzig, M; Mittmann, T; Max, B; Schroeder, U; Negrea, R; Pintilie, L; Slesazeck, S; Mikolajick, T

Published: JAN 24 2019, NATURE, 565, +, DOI: 10.1038/s41586-018-0854-z

15. Very large remanent polarization in ferroelectric Hf1-xZrxO2 grown on Ge substrates by plasma assisted atomic oxygen deposition
Authors: Zacharaki, C; Tsipas, P; Chaitoglou, S; Fragkos, S; Axiotis, M; Lagoyiannis, A; Negrea, R; Pintilie, L; Dimoulas, A

Published: MAR 18 2019, APPLIED PHYSICS LETTERS, 114, DOI: 10.1063/1.5090036

16. Palladium/palladium oxide coated electrospun fibers for wearable sweat pH-sensors
Authors: Diculescu, VC; Beregoi, M; Evanghelidis, A; Negrea, RF; Apostol, NG; Enculescu, I

Published: JUN 20 2019, SCIENTIFIC REPORTS, 9, DOI: 10.1038/s41598-019-45399-2

17. Dramatic impact of pressure and annealing temperature on the properties of sputtered ferroelectric HZO layers
Authors: Bouaziz, J; Romeo, PR; Baboux, N; Negrea, R; Pintilie, L; Vilquin, B

Published: AUG 2019, APL MATERIALS, 7, DOI: 10.1063/1.5110894

18. Structural, electric and pyroelectric properties of up and down graded PZT multilayers
Authors: Botea, M; Hrib, L; Pasuk, I; Iuga, A; Trupina, L; Negrea, R; Becherescu, N; Pintilie, L

Published: JUL 2019, CURRENT APPLIED PHYSICS, 19, 810, DOI: 10.1016/j.cap.2019.04.010

19. Low value for the static background dielectric constant in epitaxial PZT thin films
Authors: Boni, GA; Chirila, CF; Hrib, L; Negrea, R; Filip, LD; Pintilie, I; Pintilie, L

Published: OCT 11 2019, SCIENTIFIC REPORTS, 9, DOI: 10.1038/s41598-019-51312-8

20. Akermanite-based coatings grown by pulsed laser deposition for metallic implants employed in orthopaedics
Authors: Negrea, R; Busuioc, C; Constantinoiu, I; Miu, D; Enache, C; Iordache, F; Jinga, SI

Published: JAN 15 2019, SURFACE & COATINGS TECHNOLOGY, 357, 1026, DOI: 10.1016/j.surfcoat.2018.11.008

21. Hysteretic Characteristics of Pulsed Laser Deposited 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3/ZnO Bilayers
Authors: Silva, JPB; Wang, J; Koster, G; Rijnders, G; Negrea, RF; Ghica, C; Sekhar, KC; Moreira, JA; Gomes, MJM

Published: MAY 2 2018, ACS APPLIED MATERIALS & INTERFACES, 10, 15249, DOI: 10.1021/acsami.8b01695

22. Ferroelectric photovoltaic characteristics of pulsed laser deposited 0.5Ba (Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3/ZnO heterostructures
Authors: Silva, JPB; Sekhar, KC; Cortes-Juan, F; Negrea, RF; Kuncser, AC; Connolly, JP; Ghica, C; Moreira, JA

Published: JUN 2018, SOLAR ENERGY, 167, 23, DOI: 10.1016/j.solener.2018.03.072

23. Triggering surface ferroelectric order in Pb(Zr, Ti)O-3(001) by deposition of platinum
Authors: Bucur, IC; Tanase, LC; Abramiuc, LE; Lungu, GA; Chirila, C; Trupina, L; Apostol, NG; Costescu, RM; Negrea, RF; Pintilie, L; Teodorescu, CM

Published: FEB 28 2018, APPLIED SURFACE SCIENCE, 432, DOI: 10.1016/j.apsusc.2017.04.238

24. Zinc Oxide Spherical-Shaped Nanostructures: Investigation of Surface Reactivity and Interactions with Microbial and Mammalian Cells
Authors: Visinescu, D; Hussien, MD; Moreno, JC; Negrea, R; Birjega, R; Somacescu, S; Ene, CD; Chifiriuc, MC; Popa, M; Stan, MS; Carp, O

Published: NOV 13 2018, LANGMUIR, 34, 13651, DOI: 10.1021/acs.langmuir.8b02528

25. Full Tetragonal Phase Stabilization in ZrO2 Nanoparticles Using Wet Impregnation: Interplay of Host Structure, Dopant Concentration and Sensitivity of Characterization Technique
Authors: Colbea, C; Avram, D; Cojocaru, B; Negrea, R; Ghica, C; Kessler, VG; Seisenbaeva, GA; Parvulescu, V; Tiseanu, C

Published: DEC 2018, NANOMATERIALS, 8, DOI: 10.3390/nano8120988

26. Branch-like NiO/ZnO heterostructures for VOC sensing
Authors: Kaur, N; Zappa, D; Ferroni, M; Poli, N; Campanini, M; Negrea, R; Comini, E

Published: JUN 1 2018, SENSORS AND ACTUATORS B-CHEMICAL, 262, 485, DOI: 10.1016/j.snb.2018.02.042

27. Ambiguous Role of Growth-Induced Defects on the Semiconductor-to-Metal Characteristics in Epitaxial VO2/TiO2 Thin Films
Authors: Mihailescu, CN; Symeou, E; Svoukis, E; Negrea, RF; Ghica, C; Teodorescu, V; Tanase, LC; Negrila, C; Giapintzakis, J

Published: APR 25 2018, ACS APPLIED MATERIALS & INTERFACES, 10, 14144, DOI: 10.1021/acsami.8b01436

28. Gold nanoparticles stabilized on SBA-15 functionalized NNN-pincer ligand; highly effective catalyst for reduction of nitroarenes in aqueous medium
Authors: Hosseini, SH; Zohreh, N; Alipour, S; Busuioc, C; Negrea, R

Published: APR 2018, CATALYSIS COMMUNICATIONS, 108, 97, DOI: 10.1016/j.catcom.2018.01.002

29. Palladium pincer complex incorporation onto the Fe3O4-entrapped cross-linked multilayered polymer as a high loaded nanocatalyst for oxidation'
Authors: Zohreh, N; Hosseini, SH; Tavakolizadeh, M; Busuioc, C; Negrea, R

Published: SEP 15 2018, JOURNAL OF MOLECULAR LIQUIDS, 266, 404, DOI: 10.1016/j.molliq.2018.06.076

30. Rolling dopant and strain in Y-doped BiFeO3 epitaxial thin films for photoelectrochemical water splitting
Authors: Haydous, F; Scarisoreanu, ND; Birjega, R; Ion, V; Lippert, T; Dumitrescu, N; Moldovan, A; Andrei, A; Teodorescu, VS; Ghica, C; Negrea, R; Dinescu, M

Published: OCT 25 2018, SCIENTIFIC REPORTS, 8, DOI: 10.1038/s41598-018-34010-9

31. Limits and Particularities of the Synthesis of Ba1-xCaxTiO3 for Piezoelectric Applications, by Topochemical Conversion from Molten Salt Solutions
Authors: Vlaicu, ID; Maraloiu, AV; Ghica, D; Mercioniu, IF; Stefan, M; Vlaicu, AM; Negrea, RF; Kuncser, AC; Bulat, S; Krzmanc, MM; Ciobanu, R; Plopa, O


32. Ferroelectric switching dynamics in 0.5Ba(Zr0.2Ti0.8)O-3-0.5( Ba0.7Ca0.3)TiO3 thin films
Authors: Silva, JPB; Kamakshi, K; Negrea, RF; Ghica, C; Wang, J; Koster, G; Rijnders, G; Figueiras, F; Pereira, M; Gomes, MJM

Published: AUG 20 2018, APPLIED PHYSICS LETTERS, 113, DOI: 10.1063/1.5044623

33. On the threshold for ion track formation in CaF2
Authors: Karlusic, M; Ghica, C; Negrea, RF; Siketic, Z; Jaksic, M; Schleberger, M; Fazinic, S

Published: FEB 10 2017, NEW JOURNAL OF PHYSICS, 19, DOI: 10.1088/1367-2630/aa5914

34. Multiple polarization states in symmetric ferroelectric heterostructures for multi-bit non-volatile memories
Authors: Boni, GA; Filip, LD; Chirila, C; Pasuk, I; Negrea, R; Pintilie, I; Pintilie, L

Published: DEC 28 2017, NANOSCALE, 9, 19278, DOI: 10.1039/c7nr06354g

35. Enhancement of the electroluminescence of organic light emitting devices based on Ir(ppy)(3) by doping with metallic and magnetic nanoparticles
Authors: Ciobotaru, CC; Ciobotaru, IC; Schinteie, G; Negrea, R; Polosan, S

Published: DEC 2017, MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 72, 84, DOI: 10.1016/j.mssp.2017.09.019

36. Tungsten nanoparticles with controlled shape and crystallinity obtained by magnetron sputtering and gas aggregation
Authors: Acsente, T; Negrea, RF; Nistor, LC; Matei, E; Grisolia, C; Birjega, R; Dinescu, G

Published: AUG 1 2017, MATERIALS LETTERS, 200, 124, DOI: 10.1016/j.matlet.2017.04.105

37. Tunable dielectric properties in polyacrylonitrile/multiwall carbon nanotube composites
Authors: Palade, S; Pantazi, A; Vulpe, S; Berbecaru, C; Tucureanu, V; Oprea, O; Negrea, RF; Dragoman, D

Published: AUG 2017, POLYMER COMPOSITES, 38, 1748, DOI: 10.1002/pc.23744

38. Facile, high yield ultrasound mediated protocol for ZnO hierarchical structures synthesis: Formation mechanism, optical and photocatalytic properties
Authors: Carp, O; Tirsoaga, A; Ene, R; Ianculescu, A; Negrea, RF; Chesler, P; Ionita, G; Birjega, R

Published: MAY 2017, ULTRASONICS SONOCHEMISTRY, 36, 335, DOI: 10.1016/j.ultsonch.2016.12.005

39. Steplike Switching in Symmetric PbZr0.2Ti0.8O3/CoFeO4/PbZr0.2Ti0.8O3 Heterostructures for Multistate Ferroelectric Memory
Authors: Boni, AG; Chirila, C; Pasuk, I; Negrea, R; Pintilie, I; Pintilie, L

Published: SEP 28 2017, PHYSICAL REVIEW APPLIED, 8, DOI: 10.1103/PhysRevApplied.8.034035

40. Joining Chemical Pressure and Epitaxial Strain to Yield Y-doped BiFeO3 Thin Films with High Dielectric Response
Authors: Scarisoreanu, ND; Craciun, F; Birjega, R; Ion, V; Teodorescu, VS; Ghica, C; Negrea, R; Dinescu, M

Published: MAY 9 2016, SCIENTIFIC REPORTS, 6, DOI: 10.1038/srep25535

41. Dielectric characterization of BaxSr1-xFe12O19 (x=0.05-0.35) ceramics
Authors: Cernea, M; Negrea, RF; Ciuchi, IV; Baldisserri, C; Trusca, R; Galassi, C

Published: JAN 2016, CERAMICS INTERNATIONAL, 42, 1056, DOI: 10.1016/j.ceramint.2015.09.029

42. High atomic diffusivity during pulsed laser irradiation of TiON quasi-amorphous films
Authors: Teodorescu, VS; Maraloiu, AV; Negrea, RF; Ghica, D; Scarisoreanu, ND; Dinescu, M; Gartner, M; Blanchin, MG

Published: JUN 30 2016, APPLIED SURFACE SCIENCE, 374, 251, DOI: 10.1016/j.apsusc.2015.11.188

43. Atomic scale elemental mapping of light elements in multilayered perovskite coatings
Authors: Negrea, RF; Teodorescu, VS; Ghica, C

Published: NOV 15 2015, APPLIED SURFACE SCIENCE, 355, 255, DOI: 10.1016/j.apsusc.2015.07.106

44. Electrical properties of single CuO nanowires for device fabrication: Diodes and field effect transistors
Authors: Florica, C; Costas, A; Boni, AG; Negrea, R; Ion, L; Preda, N; Pintilie, L; Enculescu, I

Published: JUN 1 2015, APPLIED PHYSICS LETTERS, 106, DOI: 10.1063/1.4921914

45. Comparison between the ferroelectric/electric properties of the PbZr0.52Ti0.48O3 films grown on Si (100) and on STO (100) substrates
Authors: Chirila, C; Boni, AG; Pasuk, I; Negrea, R; Trupina, L; Le Rhun, G; Yin, S; Vilquin, B; Pintilie, I; Pintilie, L

Published: JUN 2015, JOURNAL OF MATERIALS SCIENCE, 50, 3894, DOI: 10.1007/s10853-015-8907-2

46. Ferromagnetic behaviour of bismuth germanate oxides glass-ceramic materials
Authors: Polosan, S; Negrea, R; Ciobotaru, IC; Schinteie, G; Kuncser, V

Published: FEB 25 2015, JOURNAL OF ALLOYS AND COMPOUNDS, 623, 196, DOI: 10.1016/j.jallcom.2014.10.104

47. High Permittivity (1-x)Ba(Zr0.2Ti0.8)O-3 - x(Ba0.7Ca0.3)TiO3 (x=0.45) Epitaxial Thin Films with Nanoscale Phase Fluctuations
Authors: Scarisoreanu, ND; Craciun, F; Moldovan, A; Ion, V; Birjega, R; Ghica, C; Negrea, RF; Dinescu, M

Published: NOV 4 2015, ACS APPLIED MATERIALS & INTERFACES, 7, 23992, DOI: 10.1021/acsami.5b06745

48. Band bending at copper and gold interfaces with ferroelectric Pb(Zr,Ti)O-3 investigated by photoelectron spectroscopy
Authors: Apostol, NG; Stoflea, LE; Tanase, LC; Bucur, IC; Chirila, C; Negrea, RF; Teodorescu, CM

Published: NOV 1 2015, APPLIED SURFACE SCIENCE, 354, 468, DOI: 10.1016/j.apsusc.2015.02.167

49. Polarization induced self-doping in epitaxial Pb(Zr0.20Ti0.80)O-3 thin films
Authors: Pintilie, L; Ghica, C; Teodorescu, CM; Pintilie, I; Chirila, C; Pasuk, I; Trupina, L; Hrib, L; Boni, AG; Apostol, NG; Abramiuc, LE; Negrea, R; Stefan, M; Ghica, D

Published: OCT 8 2015, SCIENTIFIC REPORTS, 5, DOI: 10.1038/srep14974

50. Synthesis of flower-like tungsten nanoparticles by magnetron sputtering combined with gas aggregation
Authors: Acsente, T; Negrea, RF; Nistor, LC; Logofatu, C; Matei, E; Birjega, R; Grisolia, C; Dinescu, G

Published: JUN 23 2015, EUROPEAN PHYSICAL JOURNAL D, 69, DOI: 10.1140/epjd/e2015-60097-4

51. Additive-free 1,4-butanediol mediated synthesis: a suitable route to obtain nanostructured, mesoporous spherical zinc oxide materials with multifunctional properties
Authors: Visinescu, D; Scurtu, M; Negrea, R; Birjega, R; Culita, DC; Chifiriuc, MC; Draghici, C; Moreno, JC; Musuc, AM; Balint, I; Carp, O

Published: 2015, RSC ADVANCES, 5, 99989, DOI: 10.1039/c5ra20224h

52. Electrode interface controlled electrical properties in epitaxial Pb(Zr0.52Ti0.48)O-3 films grown on Si substrates with SrTiO3 buffer layer
Authors: Boni, AG; Chirila, C; Pasuk, I; Negrea, R; Trupina, L; Le Rhun, G; Vilquin, B; Pintilie, I; Pintilie, L

Published: OCT 30 2015, THIN SOLID FILMS, 593, 130, DOI: 10.1016/j.tsf.2015.09.028

53. Polarization-Control of the Potential Barrier at the Electrode Interfaces in Epitaxial Ferroelectric Thin Films
Authors: Pintilie, I; Teodorescu, CM; Ghica, C; Chirila, C; Boni, AG; Hrib, L; Pasuk, I; Negrea, R; Apostol, N; Pintilie, L

Published: FEB 26 2014, ACS APPLIED MATERIALS & INTERFACES, 6, 2939, DOI: 10.1021/am405508k

54. Significant enhancement of the critical current density for cubic BN addition into ex situ spark plasma sintered MgB2
Authors: Badica, P; Aldica, G; Burdusel, M; Popa, S; Negrea, RF; Enculescu, M; Pasuk, I; Miu, L

Published: SEP 2014, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 27, DOI: 10.1088/0953-2048/27/9/095013

55. Strain-induced long range ferroelectric order and linear electro-optic effect in epitaxial relaxor thin films
Authors: Scarisoreanu, ND; Craciun, F; Birjega, R; Andrei, A; Ion, V; Negrea, RF; Ghica, C; Dinescu, M

Published: AUG 21 2014, JOURNAL OF APPLIED PHYSICS, 116, DOI: 10.1063/1.4893364

56. Nanoscale monoclinic domains in epitaxial SrRuO3 thin films deposited by pulsed laser deposition
Authors: Ghica, C; Negrea, RF; Nistor, LC; Chirila, CF; Pintilie, L

Published: JUL 14 2014, JOURNAL OF APPLIED PHYSICS, 116, DOI: 10.1063/1.4889932

57. Schottky barrier versus surface ferroelectric depolarization at Cu/Pb(Zr, Ti)O-3 interfaces
Authors: Stoflea, LE; Apostol, NG; Chirila, C; Trupina, L; Negrea, R; Pintilie, L; Teodorescu, CM

Published: MAY 2014, JOURNAL OF MATERIALS SCIENCE, 49, 3351, DOI: 10.1007/s10853-014-8041-6

58. High magnetic field enhancement of the critical current density by Ge, GeO2 and Ge2C6H10O7 additions to MgB2
Authors: Batalu, D; Aldica, G; Popa, S; Miu, L; Enculescu, M; Negrea, RF; Pasuk, I; Badica, P

Published: JUL 1 2014, SCRIPTA MATERIALIA, 82, 64, DOI: 10.1016/j.scriptamat.2014.03.024

59. Synthesis and exceptional thermal stability of Mg-based bimetallic nanoparticles during hydrogenation
Authors: Krishnan, G; Negrea, RF; Ghica, C; ten Brink, GH; Kooi, BJ; Palasantzas, G

Published: 2014, NANOSCALE, 6, 11970, DOI: 10.1039/c4nr03885a

Authors: Acsente, T; Negrea, RF; Lazea-Stoyanova, A; Nistor, LC; Dinescu, G


61. Influence of co-dopants average valence on microstructural and electromechanical properties of lead titanate ceramics
Authors: Amarande, L; Miclea, C; Cioangher, M; Grecu, MN; Pasuk, I; Negrea, RF

Published: MAY 2014, JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 34, 1200, DOI: 10.1016/j.jeurceramsoc.2013.12.002

62. Charge transfer and band bending at Au/Pb(Zr0.2Ti0.8)O-3 interfaces investigated by photoelectron spectroscopy
Authors: Apostol, NG; Stoflea, LE; Lungu, GA; Chirila, C; Trupina, L; Negrea, RF; Ghica, C; Pintilie, L; Teodorescu, CM

Published: MAY 15 2013, APPLIED SURFACE SCIENCE, 273, DOI: 10.1016/j.apsusc.2013.02.056

63. Co environment and magnetic defects in anatase CoxTi1-O-x(2) nanopowders
Authors: Grecu, MN; Macovei, D; Ghica, D; Logofatu, C; Valsan, S; Apostol, NG; Lungu, GA; Negrea, RF; Piticescu, RR

Published: APR 22 2013, APPLIED PHYSICS LETTERS, 102, 161909, DOI: 10.1063/1.4802819

64. Ultraviolet and visible up-conversion luminescence of Er3+/Yb3+ co-doped CaF2 nanocrystals in sol-gel derived glass-ceramics
Authors: Georgescu, S; Voiculescu, AM; Matei, C; Secu, CE; Negrea, RF; Secu, M

Published: NOV 2013, JOURNAL OF LUMINESCENCE, 143, 156, DOI: 10.1016/j.jlumin.2013.04.002

65. Eu3+ probe ion for rare-earth dopant site structure in sol-gel derived LiYF4 oxyfluoride glass-ceramic
Authors: Secu, CE; Negrea, RF; Secu, M

Published: OCT 2013, OPTICAL MATERIALS, 35, 2460, DOI: 10.1016/j.optmat.2013.06.053

66. Structural, electric and magnetic properties of Pb(Zr0.2Ti0.8)O-3-CoFe2O4 heterostructures
Authors: Chirila, C; Ibanescu, G; Hrib, L; Negrea, R; Pasuk, I; Kuncser, V; Pintilie, I; Pintilie, L

Published: OCT 31 2013, THIN SOLID FILMS, 545, 7, DOI: 10.1016/j.tsf.2013.06.033

67. Luminescent Eosin Y-SiO2 hybrid nano and microrods prepared by sol-gel template method
Authors: Secu, M; Secu, CE; Sima, M; Negrea, RF; Bartha, C; Dinescu, M; Damian, V

Published: NOV 2013, JOURNAL OF LUMINESCENCE, 143, 92, DOI: 10.1016/j.jlumin.2013.04.043

68. Functionalized magnetite silica thin films fabricated by MAPLE with antibiofilm properties
Authors: Mihaiescu, DE; Cristescu, R; Dorcioman, G; Popescu, CE; Nita, C; Socol, G; Mihailescu, IN; Grumezescu, AM; Gudovan, D; Enculescu, M; Negrea, RF; Ghica, C; Chifiriuc, C; Bleotu, C; Chrisey, DB

Published: MAR 2013, BIOFABRICATION, 5, DOI: 10.1088/1758-5082/5/1/015007

69. The impact of the Pb(Zr,Ti)O-3-ZnO interface quality on the hysteretic properties of a metal-ferroelectric-semiconductor structure
Authors: Pintilie, I; Pasuk, I; Ibanescu, GA; Negrea, R; Chirila, C; Vasile, E; Pintilie, L

Published: NOV 15 2012, JOURNAL OF APPLIED PHYSICS, 112, DOI: 10.1063/1.4765723

70. The effect of the top electrode interface on the hysteretic behavior of epitaxial ferroelectric Pb(Zr,Ti)O-3 thin films with bottom SrRuO3 electrode
Authors: Pintilie, L; Pasuk, I; Negrea, R; Filip, LD; Pintilie, I

Published: SEP 15 2012, JOURNAL OF APPLIED PHYSICS, 112, DOI: 10.1063/1.4754318

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