Generic placeholder image

Dr. Stavarache Ionel

Scientific Researcher 2nd degree

Laboratory of Nanoscale Condensed Matter

stavarache[AT]infim[DOT]ro

Publications

1. Orthorhombic HfO2 with embedded Ge nanoparticles in nonvolatile memories used for the detection of ionizing radiation
Authors: Palade, C; Slav, A; Lepadatu, AM; Stavarache, I; Dascalescu, I; Maraloiu, AV; Negrila, C; Logofatu, C; Stoica, T; Teodorescu, VS; Ciurea, ML; Lazanu, S

Published: NOV 1 2019, DOI: 10.1088/1361-6528/ab352b

2. Fabrication and characterization of Si1-xGex nanocrystals in as-grown and annealed structures: a comparative study
Authors: Sultan, MT; Maraloiu, AV; Stavarache, I; Gudmundsson, JT; Manolescu, A; Teodorescu, VS; Ciurea, ML; Svavarsson, HG

Published: SEP 17 2019, DOI: 10.3762/bjnano.10.182

3. Rapid thermal annealing for high-quality ITO thin films deposited by radio-frequency magnetron sputtering
Authors: Prepelita, P; Stavarache, I; Craciun, D; Garoi, F; Negrila, C; Sbarcea, BG; Craciun, V

Published: JUL 25 2019, DOI: 10.3762/bjnano.10.149

4. Ge nanoparticles in SiO2 for near infrared photodetectors with high performance
Authors: Stavarache, I; Teodorescu, VS; Prepelita, P; Logofatu, C; Ciurea, ML

Published: JUL 16 2019, DOI: 10.1038/s41598-019-46711-w

5. GeSn Nanocrystals in GeSnSiO2 by Magnetron Sputtering for Short-Wave Infrared Detection
Authors: Slav, A; Palade, C; Logofatu, C; Dascalescu, I; Lepadatu, AM; Stavarache, I; Comanescu, F; Iftimie, S; Antohe, S; Lazanu, S; Teodorescu, VS; Buca, D; Ciurea, ML; Braic, M; Stoica, T

Published: JUN 2019, DOI: 10.1021/acsanm.9b00571

6. Enhanced photoconductivity of SiGe nanocrystals in SiO2 driven by mild annealing
Authors: Sultan, MT; Manolescu, A; Gudmundsson, JT; Torfason, K; Nemnes, GA; Stavarache, I; Logofatu, C; Teodorescu, VS; Ciurea, ML; Svavarsson, HG

Published: MAR 1 2019, DOI: 10.1016/j.apsusc.2018.11.061

7. PHOTO-ELECTRICAL PROPERTIES OF THIN FILMS WITH GE NANOPARTICLES EMBEDDED IN TIO2 MATRIX
Authors: Stavarache, I; Maraloiu, VA

Published: 2019, DOI:

8. Magnetism and magnetoresistance of single Ni-Cu alloy nanowires
Authors: Costas, A; Florica, C; Matei, E; Toimil-Molares, ME; Stavarache, I; Kuncser, A; Kuncser, V; Enculescu, I

Published: AUG 30 2018, DOI: 10.3762/bjnano.9.219

9. MOS DOSIMETER BASED ON Ge NANOCRYSTALS IN HfO2
Authors: Palade, C; Slav, A; Lepadatu, AM; Stavarache, I; Dascalescu, I; Cojocaru, O; Stoica, T; Ciurea, ML; Lazanu, S

Published: 2018, DOI:

10. GeSi nanocrystals in SiO2 matrix with extended photoresponse in near infrared
Authors: Stavarache, I; Nedelcu, L; Teodorescu, VS; Maraloiu, VA; Dascalescu, I; Ciurea, ML

Published: 2018, DOI:

11. Transparent thin films of indium tin oxide: Morphology-optical investigations, inter dependence analyzes
Authors: Prepelita, P; Filipescu, M; Stavarache, I; Garoi, F; Craciun, D

Published: DEC 1 2017, DOI: 10.1016/j.apsusc.2017.02.106

12. Chalcogenide thin films deposited by rfMS technique using a single quaternary target
Authors: Prepelita, P; Stavarache, I; Negrila, C; Garoi, F; Craciun, V

Published: DEC 1 2017, DOI: 10.1016/j.apsusc.2016.11.071

13. Isotactic polypropylene-vapor grown carbon nanofibers composites: Electrical properties
Authors: Aldica, GV; Ciurea, ML; Chipara, DM; Lepadatu, AM; Lozano, K; Stavarache, I; Popa, S; Chipara, M

Published: OCT 10 2017, DOI: 10.1002/APP.45297

14. Photo-sensitive Ge nanocrystal based films controlled by substrate deposition temperature
Authors: Stavarache, I; Maraloiu, VA; Negrila, C; Prepelita, P; Gruia, I; Iordache, G

Published: OCT 2017, DOI: 10.1088/1361-6641/aa8154

15. Influence of preparation conditions on structure and photosensing properties of GeSi/TiO2 multilayers
Authors: Slav, A; Palade, C; Stavarache, I; Teodorescu, VS; Ciurea, ML; Muller, R; Dinescu, A; Sultan, MT; Manolescu, A; Gudmundsson, JT; Svavarsson, HG

Published: 2017, DOI:

16. Nanostructured germanium deposited on heated substrates with enhanced photoelectric properties
Authors: Stavarache, I; Maraloiu, VA; Prepelita, P; Iordache, G

Published: OCT 21 2016, DOI: 10.3762/bjnano.7.142

17. INVESTIGATIONS ON THE PROPERTIES OF A TWO-DIMENSIONAL NANOPATTERNED METALLIC FILM
Authors: Breazu, C; Preda, N; Socol, M; Stanculescu, F; Matei, E; Stavarache, I; Iordache, G; Girtan, M; Rasoga, O; Stanculescu, A

Published: OCT-DEC 2016, DOI:

18. Flexible heterostructures based on metal phthalocyanines thin films obtained by MAPLE
Authors: Socol, M; Preda, N; Rasoga, O; Breazu, C; Stavarache, I; Stanculescu, F; Socol, G; Gherendi, F; Grumezescu, V; Popescu-Pelin, G; Girtan, M; Stefan, N

Published: JUN 30 2016, DOI: 10.1016/j.apsusc.2015.10.166

19. Non-volatile memory devices based on Ge nanocrystals
Authors: Vasilache, D; Cismaru, A; Dragoman, M; Stavarache, I; Palade, C; Lepadatu, AM; Ciurea, ML

Published: FEB 2016, DOI: 10.1002/pssa.201532376

20. Fast atomic diffusion in amorphous films induced by laser pulse annealing
Authors: Teodorescu, VS; Ghica, C; Maraloiu, AV; Kuncser, A; Lepadatu, AM; Stavarache, I; Ciurea, ML; Scarisoreanu, ND; Andrei, A; Dinescu, M

Published: 2016, DOI:

21. HETEROSTRUCTURES BASED ON SMALL MOLECULES ORGANIC COMPOUNDS
Authors: Socol, M; Rasoga, O; Breazu, C; Socol, G; Preda, N; Pasuk, I; Visan, D; Stavarache, I; Gherendi, F; Girtan, M; Sidwaba, U

Published: OCT-DEC 2015, DOI:

22. Nanostructuring of GeTiO amorphous films by pulsed laser irradiation
Authors: Teodorescu, VS; Ghica, C; Maraloiu, AV; Vlaicu, M; Kuncser, A; Ciurea, ML; Stavarache, I; Lepadatu, AM; Scarisoreanu, ND; Andrei, A; Ion, V; Dinescu, M

Published: APR 7 2015, DOI: 10.3762/bjnano.6.92

23. Annealing induced changes in the structure, optical and electrical properties of GeTiO2 nanostructured films
Authors: Stavarache, I; Lepadatu, AM; Teodorescu, VS; Galca, AC; Ciurea, ML

Published: AUG 1 2014, DOI: 10.1016/j.apsusc.2014.04.212

24. Electrical properties related to the structure of GeSi nanostructured films
Authors: Ciurea, ML; Stavarache, I; Lepadatu, AM; Pasuk, I; Teodorescu, VS

Published: JUL 2014, DOI: 10.1002/pssb.201350112

25. GeSiO Based Nanostructures: Electrical Behaviour Related to Morphology and Preparation Method
Authors: Ciurea, ML; Teodorescu, VS; Stavarache, I; Lepadatu, AM

Published: 2014, DOI: 10.1007/978-3-662-44479-5_3

26. Transition in conduction mechanism in GeSi nanostructures
Authors: Palade, C; Lepadatu, AM; Stavarache, I; Teodorescu, VS; Ciurea, ML

Published: 2014, DOI:

27. Annealing temperature effect on structure and electrical properties of films formed of Ge nanoparticles in SiO2
Authors: Stavarache, I; Lepadatu, AM; Stoica, T; Ciurea, ML

Published: NOV 15 2013, DOI: 10.1016/j.apsusc.2013.08.031

28. TRANSMISSION ELECTRON MICROSCOPY STUDY OF Ge NANOPARTICLES FORMED IN GeSiO FILMS BY ANNEALING IN HYDROGEN
Authors: Teodorescu, VS; Maraloiu, AV; Stavarache, I; Lepadatu, AM; Ciurea, ML

Published: OCT-DEC 2013, DOI:

29. Dense Ge nanocrystal layers embedded in oxide obtained by controlling the diffusion-crystallization process
Authors: Lepadatu, AM; Stoica, T; Stavarache, I; Teodorescu, VS; Buca, D; Ciurea, ML

Published: SEP 15 2013, DOI: 10.1007/s11051-013-1981-y

30. Conduction mechanism versus annealing in SiO2 films with Ge nanoparticles
Authors: Palade, C; Lepadatu, AM; Stavarache, I; Teodorescu, VS; Ciurea, ML

Published: 2013, DOI:

31. Quantum Well Solar Cells: Physics, Materials and Technology
Authors: Ciurea, ML; Lepadatu, AM; Stavarache, I

Published: 2013, DOI: 10.4018/978-1-4666-1927-2.ch003

32. Effects produced by iodine irradiation on high resistivity silicon
Authors: Lazanu, S; Slav, A; Lepadatu, AM; Stavarache, I; Palade, C; Iordache, G; Ciurea, ML

Published: DEC 10 2012, DOI: 10.1063/1.4772015

33. Structure and electrical transport in films of Ge nanoparticles embedded in SiO2 matrix
Authors: Stavarache, I; Lepadatu, AM; Maraloiu, AV; Teodorescu, VS; Ciurea, ML

Published: JUL 2012, DOI: 10.1007/s11051-012-0930-5

34. TRANSPORT MECHANISMS IN SiO2 FILMS WITH EMBEDDED GERMANIUM NANOPARTICLES
Authors: Palade, C; Lepadatu, AM; Stavarache, I; Maraloiu, AV; Teodorescu, VS; Ciurea, ML

Published: 2012, DOI:

35. ELECTRICAL BEHAVIOUR RELATED TO STRUCTURE OF NANOSTRUCTURED GeSi FILMS ANNEALED AT 700 degrees C
Authors: Lepadatu, AM; Stavarache, I; Maraloiu, A; Palade, C; Teodorescu, VS; Ciurea, ML

Published: 2012, DOI:

36. IODINE IRRADIATION INDUCED DEFECTS IN CRYSTALLINE SILICON
Authors: Slav, A; Lepadatu, AM; Palade, C; Stavarache, I; Iordache, G; Ciurea, ML; Lazanu, S; Mitroi, MR

Published: 2012, DOI:

37. VOLTAGE PERCOLATION THRESHOLDS EVIDENCED IN THE ELECTRICAL BEHAVIOUR OF DIFFERENT NANOSTRUCTURES
Authors: Stavarache, I

Published: JUL-SEP 2011, DOI:

38. Calculation of the quantum efficiency for the absorption on confinement levels in quantum dots
Authors: Iancu, V; Mitroi, MR; Lepadatu, AM; Stavarache, I; Ciurea, ML

Published: APR 2011, DOI: 10.1007/s11051-010-9913-6

39. PREPARATION INDUCED ELECTRICAL BEHAVIOUR OF GeSiO NANOSTRUCTURES
Authors: Stavarache, I; Lepadatu, AM; Ciurea, ML

Published: 2011, DOI:

40. PREPARATION AND ELECTRICAL CHARACTERIZATION OF SiGe NANOSTRUCTURES
Authors: Stavarache, I; Lepadatu, AM; Pasuk, I; Teodorescu, VS; Ciurea, ML

Published: 2011, DOI:

41. STUDIES OF LONG TIME AND TRANSIENT EFFECTS INDUCED BY RADIATION IN CRYSTALLINE MATERIALS
Authors: Lazanu, S; Lazanu, I; Iordache, G; Stavarache, I; Lepadatu, A; Slav, A

Published: 2011, DOI:

42. STUDY OF Ge NANOPARTICLES EMBEDDED IN AN AMORPHOUS SiO2 MATRIX WITH PHOTOCONDUCTIVE PROPERTIES
Authors: Lepadatu, AM; Stavarache, I; Stoica, TF; Ciurea, ML

Published: JAN-MAR 2011, DOI:

43. Stress-induced traps in multilayered structures
Authors: Ciurea, ML; Lazanu, S; Stavarache, I; Lepadatu, AM; Iancu, V; Mitroi, MR; Nigmatullin, RR; Baleanu, CM

Published: JAN 1 2011, DOI: 10.1063/1.3525582

44. Structural investigations of Ge nanoparticles embedded in an amorphous SiO2 matrix
Authors: Stavarache, I; Lepadatu, AM; Gheorghe, NG; Costescu, RM; Stan, GE; Marcov, D; Slav, A; Iordache, G; Stoica, TF; Iancu, V; Teodorescu, VS; Teodorescu, CM; Ciurea, ML

Published: JAN 2011, DOI: 10.1007/s11051-010-0021-4

45. Electrical behavior of multi-walled carbon nanotube network embedded in amorphous silicon nitride
Authors: Stavarache, I; Lepadatu, AM; Teodorescu, VS; Ciurea, ML; Iancu, V; Dragoman, M; Konstantinidis, G; Buiculescu, R

Published: 2011, DOI: 10.1186/1556-276X-6-88

46. The influence of shape and potential barrier on confinement energy levels in quantum dots
Authors: Lepadatu, AM; Stavarache, I; Ciurea, ML; Iancu, V

Published: FEB 2010, DOI: 10.1063/1.3284083

47. INFLUENCE OF PREPARATION METHOD ON STRUCTURAL PROPERTIES OF GeSiO NANOSYSTEMS
Authors: Stavarache, I; Lepadatu, AM; Teodorescu, V; Stoica, T; Pasuk, I; Stan, G; Iancu, V; Ciurea, ML

Published: 2010, DOI: 10.1109/SMICND.2010.5650255

48. STUDY OF THE INTERACTIONS OF IONS IN SILICON: TRANSIENT PROCESSES AND DEFECT PRODUCTION
Authors: Lazanu, S; Lazanu, I; Iordache, G; Stavarache, I; Lepadatu, A; Slav, A

Published: 2010, DOI:

49. TEMPERATURE DEPENDENCE OF CAPTURE COEFFICIENTS IN TRAPPING PHENOMENA
Authors: Lepadatu, AM; Stavarache, I; Lazanu, S; Iancu, V; Mitroi, MR; Nigmatulin, RR; Ciurea, ML

Published: 2010, DOI:

50. INVESTIGATION OF ELECTRICAL PROPERTIES OF CARBON NANOTUBES
Authors: Ciurea, ML; Stavarache, I; Lepadatu, AM; Iancu, V; Dragoman, M; Konstantinidis, G; Buiculescu, R

Published: 2009, DOI: 10.1109/SMICND.2009.5336593

51. DEFECT PRODUCTION IN SILICON AND GERMANIUM BY LOW TEMPERATURE IRRADIATION
Authors: Lazanu, S; Lazanu, I; Lepadatu, A; Stavarache, I

Published: 2009, DOI:

52. Polypyrrole - porous silicon nanocomposites
Authors: Popa, C; Turcu, R; Craciunescu, I; Nan, A; Ciurea, ML; Stavarache, I; Iancu, V

Published: SEP 2008, DOI:

53. MODELING OF TRAP DISCHARGING PROCESSES IN MULTIPLE QUANTUM WELL STRUCTURES
Authors: Ciurea, ML; Iancu, V; Stavarache, I; Lepadatu, AM; Rusnac, E

Published: 2008, DOI: 10.1109/SMICND.2008.4703332

54. Defects in silicon: From bulk crystals to nanostructures
Authors: Ciurea, ML; Iancu, V; Lazanu, S; Lepadatu, AM; Rusnac, E; Stavarache, I

Published: 2008, DOI:

55. Phototransport and photoluminescence in nanocrystalline porous silicon
Authors: Iancu, V; Ciurea, ML; Stavarache, I; Teodorescu, VS

Published: AUG 2007, DOI:

56. Percolation phenomena in Si-SiO2 nanocomposite films
Authors: Stavarache, I; Ciurea, ML

Published: AUG 2007, DOI:

57. Quantum confinement model for phototransport processes in nanocrystalline porous silicon
Authors: Ciurea, ML; Stavarache, I; Iancu, V

Published: 2007, DOI:

58. Percolation phenomena in silicon - Based nanocrystalline systems
Authors: Lepadatu, AM; Rusnac, E; Stavarache, I

Published: 2007, DOI: 10.1109/SMICND.2007.4519789

59. Quantum confinement modeling of electrical and optical processes in nanocrystalline silicon
Authors: Ciurea, ML; Iancu, V; Stavarache, I

Published: DEC 2006, DOI:

60. Quantum confinement in the photoluminescence of nanocrystalline porous silicon
Authors: Stavarache, I; Ciurea, ML; Iancu, V

Published: 2005, DOI:

61. High performance NIR photosensitive films of Ge nanoparticles in Si3N4
Authors: Stavarache, I; Prepelita, P; Lalau, I; Cojocaru, O; Teodorescu, VS; Ciurea, ML

Published: 2019, DOI:

62. SiGe nanocrystals in SiO2 with high photosensitivity from visible to short-wave infrared
Authors: Stavarache, I; Logofatu, C; Sultan, MT; Manolescu, A; Svavarsson, HG; Teodorescu, VS; Ciurea, ML

Published: FEB 24 2020, DOI: 10.1038/s41598-020-60000-x

Load More

Back to top

Copyright © 2020 National Institute of Materials Physics. All Rights Reserved