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Dr. Toma Stoica

Senior Researcher Rank 1

Laboratory of Atomic Structures and Defects in Advanced Materials

toma[DOT]stoica[AT]infim[DOT]ro
Keywords: Solid state, Photonics, Semiconductor physics

Education

1982- PhD in Physics, Central Institute of Physics, Bucharest- Magurele

Positions

1972- present, positions in NIMP

1990-present, Senior Researcher Ist degree

1990&1993- Associate Professor, Bucharest University, Faculty of Physics

1992&1996- Humboldt Research Fellowship (1992): solid state of physics, KFA Julich Germany

1996-2001- Head of laboratory of "Physics of Low Dimensional Systems"

2001-2014Senior Researcher, Forschungszentrum Julich, Peter Grunberg Institut, Nanoelectronics Institute, PGI-9, Juelich, Germany

2015-presentSenior Researcher, NIMP 

Awards

  • member Humboldt Foundation Club
  • Romanian Academy Prize for Physics, "Constantin Miculescu" 1993 for studies on quantum SiGe structures

Research interests

Research contributions on topics of:

  • Physics and application of amorphous semiconductors: transport, optical absorption, field and surface effect, termostimulated depolarization, photoelectric and photovoltaic properties, amorphous chalcogenide EPROM memories, a-Si:H solar cells.
  • Theoretical investigation of the injection phenomena in high resistivity semiconductors, relaxation semiconductors; Modeling of electronic transport, electronic state distribution, optical transmission and ellipsometric investigations; Quantum effects in low dimensional structures, DBRT structures;
  • LPCVD selective epitaxy, growth, plastic and elastic relaxation of the strain, photoelectrical properties of SiGe epitaxial layers, SiGe and Ge islands LEDs, formation and ordering of Ge islands, ordered Ge dots in SiO2 for floating gate memories;
  • Self-assembling of GaN and InN nanowires grown by MBE, morphological, optical and electro-optical properties of III-nitride nanowires.
  • Studies of sol-gel derived oxides and bioactive films.

Expertize

  • Electric, photoelectric and optical investigations of semiconductor layers and devices
  • LPCVD Epitaxial growth of Si and SiGe structures
  • MBE growth studies of GaN-InN nanowires and their properties 
  • AFM, SEM, UV-VIS-IR photoluminescence, Raman, single nanodevices measurements 

 

Books

  • C. Popescu, T. Stoica, chapter: 2B, "Photoresistive sensors with amorphous thin films", pgs. 37-112, in "Thin film resistive sensors", editors P. Ciureanu and S. Middelhoek, Institute of Physics Publishing Bristol Philadelphia, 1992, ISBN: 0750301732 
  • L. Vescan, T. Stoica, E. Sutter, chapter: "Structural and luminescence properties of order Ge islands on patterned substrates", pgs. 543-567, in "Lateral alignment of epitaxial quantum dots", Editor O. G. Schmidt, Springer Series on Nanoscience and Technology, 2007, ISBN: 978-3-540-46935-3
  • T. Stoica, E. Sutter, R. Calarco, chapter "GaN and InN nanowires: grown and optoelectronic properties", pgs. 73-96, in "Trends in Nanophysics Theory, Experiment and Tehnology", Editors: A. Aldea, V. Barsan, Springer 2010, ISBN: 978-3-642-12069-5
  • A. Haab, M. Mikulisc, T. Stoica, B. Kardynal, A. Winden, H. Hardtdegen, D. Grutzmachet, E. Sutter, chapter IV- Physics Frontiers: "An alternative path for the fabrication of self-assembled III-nitride nanowires", pgs. 340-350, in "Future Trends in Microelectronics: Frontiers and Innovations", Edited by S. Luryi, J. Xu, A. Zaslavsky, Wiley-IEEE Press., ISBN: 978-1-118-44216-6

Patents

  • OSIM patent application no. A/00193 (Publ. date 04-22-2021), "Film de GeSi-HfO2 nanostructurat fotosensibil in domeniul fereastra de lungimi de unda 1200...1600 nm", C. Palade, I. Stavarache, A. Slav, A.-M. Lepadatu, I. Dascalescu, T. Stoica, M.-L. Ciurea
  • OSIM patent application no. A/00193 (Publ. date 04-22-2021), "Film de SiGeSn nanocristalin fotosensibil in VIS-SWIR si procedeu de realizare a acestuia", M.-L. Ciurea, I. Stavarache, A.-M. Lepadatu, S. Lazanu, T. Stoica
  • OSIM patent application no. RO133299-A0 (Publ. date 04-30-2019), "Structura pe baza de nanocristale de GeSi in TiO2 pentru fotodetectori in VIS-NIR si procedeu de realizare a acesteia", M.-L. Ciurea, A. Slav, C. Palade, S. Lazanu, A.-M. Lepadatu, T. Stoica
  • OSIM patent application no. RO133300-A0 (Publ. date 04-30-2019), "Structura fotosensibila in domeniul SWIR, pe baza de nanocristale de Germaniu aliat cu Staniu si procedeu de realizare a acesteia" , T. Stoica, M. Braic, A. Slav, A. E. Kiss, C. Palade, S. Lazanu, A.-M. Lepadatu, M.-L. Ciurea
  • OSIM patent application no. RO133227-A0 (Publ. date 03-29-2019), T. Stoica, C. Palade, A. Slav, A.-M. Lepadatu
  • OSIM patent  no. RO83541-A (Publ. date 05-30-1984), "Amorphous silicon solar element- consist of quasi-intrinsic semiconductor and insulated layers with transparent or metallic electrodes", T. Stoica, C. Popescu, R. C. Ionescu, A. Dragomir, T. F. Stoica, M. M. Lazarescu, G. Codreanu, N. Munteanu, A. Serpescu
  • OSIM patent  no. RO83540-A (Publ. date 05-30-1984), "Amorphous silicon alloy has stepped conductivity deposit produced by luminescent discharge with supplementary nitrogen addn.", C. Popescu, T. Stoica, R. C. Ionescu, A. Dragomir, M. M. Lazarescu, T. F. Stoica, A. Nendiu, G. Codreanu, N. Munteanu, A. Serpescu

Projects

1. Multifunctional optoelectrical sensor based on two-dimensional MoS2 atomically thin layers grown by selective nucleation
Project Type: PED, Start Date: 2022-06-24 End Date: 2024-06-23
2. Nano-Structured GeSn Coatings for Photonics – GESNAPHOTO_M-ERA.NET project
Project Type: M-ERA.NET, Start Date: 2016-09-01 End Date: 2019-08-31
3. Photo-Electric Capacitor Memory based on Ge-Nanocrystals
Project Type: PED, Start Date: 2017-03-01 End Date: 2018-02-07

Publications

1. SiGeSn Quantum Dots in HfO2 for Floating Gate Memory Capacitors
Authors: Palade, C; Slav, A; Cojocaru, O; Teodorescu, VS; Stoica, T; Ciurea, ML; Lepadatu, AM

Published: MAR 2022, COATINGS, 12, 348, DOI: 10.3390/coatings12030348

2. Bandgap atomistic calculations on hydrogen-passivated GeSi nanocrystals
Authors: Cojocaru, O; Lepadatu, AM; Nemnes, GA; Stoica, T; Ciurea, ML

Published: JUN 30 2021, SCIENTIFIC REPORTS, 11, DOI: 10.1038/s41598-021-92936-z

3. A nanoscale continuous transition from the monoclinic to ferroelectric orthorhombic phase inside HfO2 nanocrystals stabilized by HfO2 capping and self-controlled Ge doping
Authors: Palade, C; Lepadatu, AM; Slav, A; Cojocaru, O; Iuga, A; Maraloiu, VA; Moldovan, A; Dinescu, M; Teodorescu, VS; Stoica, T; Ciurea, ML

Published: SEP 28 2021, JOURNAL OF MATERIALS CHEMISTRY C, 9, 12366, DOI: 10.1039/d1tc02921e

4. Thermoelectric Efficiency of Epitaxial GeSn Alloys for Integrated Si-Based Applications: Assessing the Lattice Thermal Conductivity by Raman Thermometry
Authors: Spirito, D; Driesch, NV; Manganelli, CL; Zoellner, MH; Corley-Wiciak, AA; Ikonic, Z; Stoica, T; Grutzmacher, D; Buca, D; Capellini, G

Published: JUL 26 2021, ACS APPLIED ENERGY MATERIALS, 4, 7392, DOI: 10.1021/acsaem.1c01576

5. Effects of Ge-related storage centers formation in Al2O3 enhancing the performance of floating gate memories
Authors: Stavarache, I; Cojocaru, O; Maraloiu, VA; Teodorescu, VS; Stoica, T; Ciurea, ML

Published: MAR 15 2021, APPLIED SURFACE SCIENCE, 542, DOI: 10.1016/j.apsusc.2020.148702

6. Nanocrystallized Ge-Rich SiGe-HfO2 Highly Photosensitive in Short-Wave Infrared
Authors: Palade, C; Lepadatu, AM; Slav, A; Teodorescu, VS; Stoica, T; Ciurea, ML; Ursutiu, D; Samoila, C

Published: NOV 2021, MATERIALS, 14, DOI: 10.3390/ma14227040

7. GeSn/SiO2 Multilayers by Magnetron Sputtering Deposition for Short-Wave Infrared Photonics
Authors: Slav, A; Dascalescu, I; Lepadatu, AM; Palade, C; Zoita, NC; Stroescu, H; Iftimie, S; Lazanu, S; Gartner, M; Buca, D; Teodorescu, VS; Ciurea, ML; Braic, M; Stoica, T

Published: DEC 16 2020, ACS APPLIED MATERIALS & INTERFACES, 12, 56171, DOI: 10.1021/acsami.0c15887

8. GeSi Nanocrystals Photo-Sensors for Optical Detection of Slippery Road Conditions Combining Two Classification Algorithms
Authors: Palade, C; Stavarache, I; Stoica, T; Ciurea, ML

Published: NOV 2020, SENSORS, 20, DOI: 10.3390/s20216395

9. Epitaxial GeSn Obtained by High Power Impulse Magnetron Sputtering and the Heterojunction with Embedded GeSn Nanocrystals for Shortwave Infrared Detection
Authors: Dascalescu, I; Zoita, NC; Slav, A; Matei, E; Iftimie, S; Comanescu, F; Lepadatu, AM; Palade, C; Lazanu, S; Buca, D; Teodorescu, VS; Ciurea, ML; Braic, M; Stoica, T

Published: JUL 29 2020, ACS APPLIED MATERIALS & INTERFACES, 12, 33886, DOI: 10.1021/acsami.0c06212

10. Influence of SiGe Nanocrystallization on Short-Wave Infrared Sensitivity of SiGe-TiO2 Films and Multilayers
Authors: Lepadatu, AM; Palade, C; Slav, A; Cojocaru, O; Maraloiu, VA; Iftimie, S; Comanescu, F; Dinescu, A; Teodorescu, VS; Stoica, T; Ciurea, ML

Published: NOV 12 2020, JOURNAL OF PHYSICAL CHEMISTRY C, 124, 25053, DOI: 10.1021/acs.jpcc.0c06290

11. SWIR photoresponse of SiGe/TiO2 multilayers with Ge-rich SiGe nanocrystals
Authors: Lepadatu, AM; Palade, C; Slav, A; Dascalescu, I; Cojocaru, O; Iftimie, S; Teodorescu, VS; Stoica, T; Ciurea, ML

Published: 2020, CAS 2020 PROCEEDINGS: 2020 INTERNATIONAL SEMICONDUCTOR CONFERENCE, 238, DOI:

12. 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, ACS APPLIED NANO MATERIALS, 2, +, DOI: 10.1021/acsanm.9b00571

13. Controlling SWIR photosensitivity limit by composition engineering: from Ge to GeSi nanocrystals embedded in TiO2
Authors: Dascalescu, I; Cojocaru, O; Lalau, I; Palade, C; Slav, A; Lepadatu, AM; Lazanu, S; Stoica, T; Ciurea, ML

Published: 2019, 2019 INTERNATIONAL SEMICONDUCTOR CONFERENCE (CAS 2019), 42ND EDITION, 40, DOI:

14. Enhanced photoconductivity of embedded SiGe nanoparticles by hydrogenation
Authors: Sultan, MT; Gudmundsson, JT; Manolescu, A; Stoica, T; Ciurea, ML; Svavarsson, HG

Published: JUN 15 2019, APPLIED SURFACE SCIENCE, 479, 409, DOI: 10.1016/j.apsusc.2019.02.096

15. 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, NANOTECHNOLOGY, 30, DOI: 10.1088/1361-6528/ab352b

16. Enhanced photocurrent in GeSi NCs/TiO2 multilayers
Authors: Palade, C; Slav, A; Cojocaru, O; Teodorescu, VS; Lazanu, S; Stoica, T; Sultan, MT; Svavarsson, HG; Ciurea, ML

Published: 2018, CAS 2018 PROCEEDINGS: 2018 INTERNATIONAL SEMICONDUCTOR CONFERENCE, 76, DOI:

17. Dense Ge nanocrystals embedded in TiO2 with exponentially increased photoconduction by field effect
Authors: Lepadatu, AM; Slav, A; Palade, C; Dascalescu, I; Enculescu, M; Iftimie, S; Lazanu, S; Teodorescul, VS; Ciurea, ML; Stoica, T

Published: MAR 20 2018, SCIENTIFIC REPORTS, 8, DOI: 10.1038/s41598-018-23316-3

18. Enhanced photocurrent in GeSi NCs / TiO2 multilayers
Authors: Palade, C; Slav, A; Cojocaru, O; Teodorescu, VS; Lazanu, S; Stoica, T; Sultan, MT; Svavarsson, HG; Ciurea, ML

Published: 2018, , DOI:

19. Material parameters from frequency dispersion simulation of floating gate memory with Ge nanocrystals in HfO2
Authors: Palade, C; Lepadatu, AM; Slav, A; Lazanu, S; Teodorescu, VS; Stoica, T; Ciurea, ML

Published: JAN 15 2018, APPLIED SURFACE SCIENCE, 428, 702, DOI: 10.1016/j.apsusc.2017.09.038

20. Optoelectric charging-discharging of Ge nanocrystals in floating gate memory
Authors: Palade, C; Slav, A; Lepadatu, AM; Maraloiu, AV; Dascalescu, I; Iftimie, S; Lazanu, S; Ciurea, ML; Stoica, T

Published: NOV 19 2018, APPLIED PHYSICS LETTERS, 113, DOI: 10.1063/1.5039554

21. 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, CAS 2018 PROCEEDINGS: 2018 INTERNATIONAL SEMICONDUCTOR CONFERENCE, 90, DOI:

22. Single layer of Ge quantum dots in HfO2 for floating gate memory capacitors
Authors: Lepadatu, AM; Palade, C; Slav, A; Maraloiu, AV; Lazanu, S; Stoica, T; Logofatu, C; Teodorescu, VS; Ciurea, ML

Published: APR 28 2017, NANOTECHNOLOGY, 28, DOI: 10.1088/1361-6528/aa66b7

23. Short-wave infrared LEDs from GeSn/SiGeSn multiple quantum wells
Authors: Stange, D; den Driesch, NV; Rainko, D; Roesgaard, S; Povstugar, I; Hartmann, JM; Stoica, T; Ikonic, Z; Mantl, S; Grutzmacher, D; Buca, D

Published: FEB 20 2017, OPTICA, 4, 188, DOI: 10.1364/OPTICA.4.000185

24. Light illumination effects on floating gate memory with Ge nanocrystals in HfO2
Authors: Palade, C; Slav, A; Lepadatu, AM; Lazanu, S; Ciurea, ML; Stoica, T

Published: 2017, 2017 INTERNATIONAL SEMICONDUCTOR CONFERENCE (CAS), 40TH EDITION, 90, DOI:

25. Photosensitive GeSi/TiO2 multilayers in VIS-NIR
Authors: Palade, C; Dascalescu, I; Slav, A; Lepadatu, AM; Lazanu, S; Stoica, T; Teodorescu, VS; Ciurea, ML; Comanescu, F; Muller, R; Dinescu, A; Enuica, A

Published: 2017, 2017 INTERNATIONAL SEMICONDUCTOR CONFERENCE (CAS), 40TH EDITION, 70, DOI:

26. Vapor transport growth of MoS2 nucleated on SiO2 patterns and graphene flakes
Authors: Stoica, T; Stoica, M; Duchamp, M; Tiedemann, A; Mantl, S; Grutzmacher, D; Buca, D; Kardynal, BE

Published: NOV 2016, NANO RESEARCH, 9, 3514, DOI: 10.1007/s12274-016-1227-2

27. Optically Pumped GeSn Microdisk Lasers on Si
Authors: Stange, D; Wirths, S; Geiger, R; Schulte-Braucks, C; Marzban, B; von den Driesch, N; Mussler, G; Zabel, T; Stoica, T; Hartmann, JM; Mantl, S; Ikonic, Z; Gruetzmacher, D; Sigg, H; Witzens, J; Buca, D

Published: JUL 2016, ACS PHOTONICS, 3, 1285, DOI: 10.1021/acsphotonics.6b00258

28. Dense, Regular GaAs Nanowire Arrays by Catalyst-Free Vapor Phase Epitaxy for Light Harvesting
Authors: Jin, JH; Stoica, T; Trellenkamp, S; Chen, Y; Anttu, N; Migunov, V; Kawabata, RMS; Buenconsejo, PJS; Lam, YM; Haas, F; Hardtdegen, H; Grutzmacher, D; Kardynal, BE

Published: AUG 31 2016, ACS APPLIED MATERIALS & INTERFACES, 8, 22492, DOI: 10.1021/acsami.6b05581

29. Study of GeSn based heterostructures: towards optimized group IV MQW LEDs
Authors: Stange, D; von den Driesch, N; Rainko, D; Schulte-Braucks, C; Wirths, S; Mussler, G; Tiedemann, AT; Stoica, T; Hartmann, JM; Ikonic, Z; Mantl, S; Grutzmacher, D; Buca, D

Published: JAN 25 2016, OPTICS EXPRESS, 24, 1367, DOI: 10.1364/OE.24.001358

30. Direct bandgap GeSn light emitting diodes for short-wave infrared applications grown on Si
Authors: von den Driesch, N; Stange, D; Wirths, S; Rainko, D; Mussler, G; Stoica, T; Ikonic, Z; Hartmann, JM; Grutzmacher, D; Mantl, S; Buca, D

Published: 2016, SILICON PHOTONICS XI, 9752, DOI: 10.1117/12.2211641

31. Direct Bandgap Group IV Epitaxy on Si for Laser Applications
Authors: von den Driesch, N; Stange, D; Wirths, S; Mussler, G; Hollander, B; Ikonic, Z; Hartmann, JM; Stoica, T; Mantl, S; Grutzmacher, D; Buca, D

Published: JUL 14 2015, CHEMISTRY OF MATERIALS, 27, 4702, DOI: 10.1021/acs.chemmater.5b01327

32. Optical Transitions in Direct-Bandgap Ge1-xSnx Alloys
Authors: Stange, D; Wirths, S; den Driesch, NV; Mussler, G; Stoica, T; Ikonic, Z; Hartmann, JM; Mantl, S; Grutzmacher, D; Buca, D

Published: NOV 2015, ACS PHOTONICS, 2, 1545, DOI: 10.1021/acsphotonics.5b00372

33. 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, APPLIED SURFACE SCIENCE, 285, 179, DOI: 10.1016/j.apsusc.2013.08.031

34. 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, JOURNAL OF NANOPARTICLE RESEARCH, 15, DOI: 10.1007/s11051-013-1981-y

35. 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, JOURNAL OF NANOPARTICLE RESEARCH, 13, 232, DOI: 10.1007/s11051-010-0021-4

36. 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, DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES, 6, 73, DOI:

37. COLUMN STUDY OF CADMIUM ADSORPTION ONTO POLYACRYLONITRILE/HYDROXYAPATITE COMPOSITE BEAD
Authors: Wang, X; Min, BG; Lyoo, WS; Chihaia, V; Gartner, M; Stoica, TF; Bae, JY; Suh, SH

Published: AUG 2010, REVUE ROUMAINE DE CHIMIE, 55, 447, DOI:

38. 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, 2010 INTERNATIONAL SEMICONDUCTOR CONFERENCE (CAS), VOLS 1 AND 2, 80, DOI: 10.1109/SMICND.2010.5650255

39. THE SIMULATION IN THE REAL CONDITIONS OF ANTIBACTERIAL ACTIVITY OF TiO2 (Fe) FILMS WITH OPTIMIZED MORPHOLOGY
Authors: Gartner, M; Anastasescu, C; Zaharescu, M; Enache, M; Dumitru, L; Stoica, T; Stoica, TF; Trapalis, C

Published: 2009, NANOSTRUCTURED MATERIALS AND NANOTECHNOLOGY II, 29, +, DOI:

40. STRUCTURAL AND OPTICAL PROPERTIES OF SOL-GEL DERIVED HYDROXYAPATITE FILMS IN DIFFERENT STAGES OF CRYSTALLIZATION AND DENSIFICATION PROCESSES
Authors: Tionica, S; Gartner, M; Ianculescu, A; Anastasescu, M; Slav, A; Pasuk, I; Stoica, T; Zaharescu, M

Published: 2009, NANOSTRUCTURED MATERIALS AND NANOTECHNOLOGY II, 29, +, DOI:

41. Atomic force microscopy study of TiO2 sol-gel films thermally treated under NH3 atmosphere
Authors: Trapalis, C; Todorova, N; Anastasescu, M; Anastasescu, C; Stoica, M; Gartner, M; Zaharescu, M; Stoica, T

Published: OCT 1 2009, THIN SOLID FILMS, 517, 6247, DOI: 10.1016/j.tsf.2009.02.070

42. Investigation on the nitrogen doping of multilayered, porous TiO2 thin films
Authors: Gartner, M; Osiceanu, P; Anastasescu, M; Stoica, T; Stoica, TF; Trapalis, C; Glannakopoulou, T; Todorova, N; Lagoyannis, A

Published: SEP 30 2008, THIN SOLID FILMS, 516, 8189, DOI: 10.1016/j.tsf.2008.04.027

43. Hydroxyapatite films obtained by sol-gel and sputtering
Authors: Stoica, TF; Morosanu, C; Slav, A; Stoica, T; Osiceanu, P; Anastasescu, C; Gartner, M; Zaharescu, A

Published: SEP 30 2008, THIN SOLID FILMS, 516, 8116, DOI: 10.1016/j.tsf.2008.04.071

44. Doped sol-gel TiO2 films for biological applications
Authors: Gartner, M; Trapalis, C; Todorova, N; Giannakopoulou, T; Dobrescu, G; Anastasescu, M; Osiceanu, P; Ghita, A; Enache, M; Dumitru, L; Stoica, T; Zaharescu, M; Bae, JY; Suh, SH

Published: MAY 20 2008, BULLETIN OF THE KOREAN CHEMICAL SOCIETY, 29, 1042, DOI:

45. Ge dots embedded in silicon dioxide using sol-gel deposition
Authors: Stoica, TF; Gartner, M; Teodorescu, VS; Stoica, T

Published: OCT 2007, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 9, 3274, DOI:

46. Growth and characterization of high density stoichiometric SiO2 dot arrays on Si through an anodic porous alumina template
Authors: Kokonou, M; Nassiopoulou, AG; Giannakopoulos, KP; Travlos, A; Stoica, T; Kennou, S

Published: MAY 14 2006, NANOTECHNOLOGY, 17, 2151, DOI: 10.1088/0957-4484/17/9/011

47. Properties of high-porosity sol-gel derived indium-tin oxide films
Authors: Stoica, TF; Gartner, M; Stoica, T; Losurdo, M; Teodorescu, VS; Blanchin, MG; Zaharescu, M

Published: OCT 2005, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 7, 2358, DOI:

48. Piezoresponse force microscopy for imaging of GaN surfaces
Authors: Calarco, R; Meijers, R; Stoica, T; Luth, H

Published: APR 2005, PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 202, 789, DOI: 10.1002/pssa.200461298

49. Spectroellipsometric study of the sol-gel nanocrystalline ITO multilayer films
Authors: Stoica, TF; Gartner, M; Losurdo, M; Teodorescu, V; Blanchin, M; Stoica, T; Zaharescu, M

Published: MAY 1 2004, THIN SOLID FILMS, 455, 512, DOI: 10.1016/j.tsf.2003.11.251

50. Absence of island-island interaction during formation of isolated Ge islands in small windows
Authors: Stoica, T; Vescan, L; Sutter, E

Published: JUN 15 2004, JOURNAL OF APPLIED PHYSICS, 95, 7711, DOI: 10.1063/1.1736312

51. Two-dimensional arrays of nanometre scale holes and nano-V-grooves in oxidized Si wafers for the selective growth of Ge dots or Ge/Si hetero-nanocrystals
Authors: Olzierski, A; Nassiopoulou, AG; Raptis, I; Stoica, T

Published: NOV 2004, NANOTECHNOLOGY, 15, 1700, DOI: 10.1088/0957-4484/15/11/056

52. Morphology, structure and optical properties of sol-gel ITO thin films
Authors: Stoica, TF; Teodorescu, VS; Blanchin, MG; Stoica, TA; Gartner, M; Losurdo, M; Zaharescu, M

Published: AUG 15 2003, MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 101, 226, DOI: 10.1016/S0921-5107(02)00667-0

53. Internal structure of the nanosized sol-gel ITO thin films
Authors: Stoica, TF; Teodorescu, VS; Blanchin, MG; Stoica, TA; Gartner, M; Zaharescu, M

Published: 2001, 2001 INTERNATIONAL SEMICONDUCTOR CONFERENCE, VOL 1 & 2, PROCEEDINGS, 66, DOI:

54. PbSe1-xTex thick thermoelectric films obtained by electrochemical deposition from aqueous solutions
Authors: Nedelcu, M; Sima, M; Stoica, T; Manea, AS; Lazarescu, MF; Visan, T

Published: DEC 2001, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 3, 914, DOI:

55. Optical characterization of dielectric borophosphosilicate glass
Authors: Gartner, M; Modreanu, M; Bosch, S; Stoica, T

Published: APR-MAY 2000, MICROELECTRONICS RELIABILITY, 40, 620, DOI: 10.1016/S0026-2714(99)00291-7

56. Size distribution and optical properties of self-assembled Ge on Si
Authors: Vescan, L; Goryll, M; Stoica, T; Gartner, P; Grimm, K; Chretien, O; Mateeva, E; Dieker, C; Hollander, B

Published: OCT 2000, APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 71, 432, DOI: 10.1007/s003390000555

57. Characterization of ITO thin films prepared by spinning deposition starting from a sol-gel process
Authors: Stoica, TF; Stoica, TA; Zaharescu, M; Popescu, M; Sava, F; Popescu-Pogrion, N; Frunza, L

Published: 2000, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 2, 688, DOI:

58. Electrical and photovoltaic properties of photosensitised ITO/a-Si : H p-i-n/TPyP/Au cells
Authors: Antohe, S; Ion, L; Tomozeiu, N; Stoica, T; Barna, E

Published: MAY 15 2000, SOLAR ENERGY MATERIALS AND SOLAR CELLS, 62, 216, DOI: 10.1016/S0927-0248(99)00127-0

59. Room-temperature light-emitting diodes with Ge islands
Authors: Vescan, L; Chretien, O; Stoica, T; Mateeva, E; Muck, A

Published: OCT-DEC 2000, MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 3, 387, DOI: 10.1016/S1369-8001(00)00059-7

60. Size distribution and electroluminescence of self-assembled Ge dots
Authors: Vescan, L; Stoica, T; Chretien, O; Goryll, M; Mateeva, E; Muck, A

Published: MAY 15 2000, JOURNAL OF APPLIED PHYSICS, 87, 7282, DOI: 10.1063/1.372980

61. Influence of the mesa size on Ge island electroluminescence properties
Authors: Chretien, O; Stoica, T; Dentel, D; Mateeva, E; Vescan, L

Published: SEP 2000, SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 15, 925, DOI: 10.1088/0268-1242/15/9/308

62. Colloidal sol-gel ITO films on tube grown silicon
Authors: Stoica, TF; Stoica, TA; Vanca, V; Lakatos, E; Zaharescu, M

Published: JUL 6 1999, THIN SOLID FILMS, 348, 278, DOI: 10.1016/S0040-6090(99)00136-4

63. Weak localization effects in ZnO surface wells
Authors: Goldenblum, A; Bogatu, V; Stoica, T; Goldstein, Y; Many, A

Published: AUG 15 1999, PHYSICAL REVIEW B, 60, 5838, DOI: 10.1103/PhysRevB.60.5832

64. Selective epitaxial growth of strained SiGe/Si for optoelectronic devices
Authors: Vescan, L; Stoica, T; Goryll, M; Grimm, K

Published: FEB 27 1998, MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 51, 169, DOI: 10.1016/S0921-5107(97)00253-5

65. Room-temperature SiGe light-emitting diodes
Authors: Vescan, L; Stoica, T

Published: DEC 1998, JOURNAL OF LUMINESCENCE, 80, 489, DOI: 10.1016/S0022-2313(98)00160-4

66. Electroluminescence of strained SiGe/Si selectively grown above the critical thickness for plastic relaxation
Authors: Stoica, T; Vescan, L; Goryll, M

Published: MAR 15 1998, JOURNAL OF APPLIED PHYSICS, 83, 3373, DOI: 10.1063/1.367104

67. Physics of optimal resonant tunneling
Authors: Racec, PN; Stoica, T; Popescu, C; Lepsa, M; vandeRoer, TG

Published: AUG 15 1997, PHYSICAL REVIEW B, 56, 3597, DOI: 10.1103/PhysRevB.56.3595

68. Amorphous rf-sputtered Si100-xNix thin films with O<=x<=15 at.%: Structural, optical and electrical properties
Authors: BeluMarian, A; Serbanescu, MD; Manaila, R; Stoica, T; Dragomir, A; Zavaliche, F; Tanase, M; Devenyi, A

Published: JUN 1 1997, THIN SOLID FILMS, 301, 202, DOI: 10.1016/S0040-6090(97)00007-2

69. EFFECTS OF ANNEALING ON THE CONDUCTIVITY OF C-60 THIN-FILMS
Authors: BELUMARIAN, A; MANAILA, R; STOICA, T; DRAGOMIR, A; MANCIU, M; DEVENYI, A; BRAUN, T

Published: 1995, FULLERENE SCIENCE AND TECHNOLOGY, 3, 509, DOI: 10.1080/153638X9508543803

70. HIGH GAP SPUTTERED DLC LAYERS
Authors: MOROSANU, CO; STOICA, T; DEMARTINO, C; DEMICHELIS, F; TAGLIAFERRO, A

Published: APR 1994, DIAMOND AND RELATED MATERIALS, 3, 816, DOI: 10.1016/0925-9635(94)90275-5

71. MAGNETOTRANSPORT AND PHOTOLUMINESCENCE OF 2-DIMENSIONAL HOLE GASES IN SI/SI1-XGEX/SI HETEROSTRUCTURES
Authors: LOO, R; VESCAN, L; HARTMANN, A; APETZ, R; ZASTROW, U; SCHAPERS, T; LEUTHER, A; DIEKER, C; LUTH, H; GARTNER, P; STOICA, T

Published: DEC 15 1994, PHYSICAL REVIEW B, 50, 18123, DOI: 10.1103/PhysRevB.50.18113

72. LINE-SHAPE MODEL FOR THE BROAD PHOTOLUMINESCENCE BAND FROM SI1-XGEX/SI HETEROSTRUCTURES
Authors: HARTMANN, A; VESCAN, L; DIEKER, C; STOICA, T; LUTH, H

Published: DEC 15 1993, PHYSICAL REVIEW B, 48, 18279, DOI: 10.1103/PhysRevB.48.18276

73. MEYER-NELDEL CORRELATION IN SEMICONDUCTORS AND MOTT MINIMUM METALLIC CONDUCTIVITY
Authors: POPESCU, C; STOICA, T

Published: DEC 15 1992, PHYSICAL REVIEW B, 46, 15071, DOI: 10.1103/PhysRevB.46.15063

74. GD AMORPHOUS-SILICON OBTAINED FROM TRICHLORSILANE
Authors: POPESCU, C; STOICA, T; DRAGOMIR, A; NENCIU, A; NICOLAE, M; IVAN, P; IONESCU, S

Published: DEC 1987, JOURNAL OF NON-CRYSTALLINE SOLIDS, 97-8, 1434, DOI: 10.1016/0022-3093(87)90343-7

75. AN EQUATION FOR THE CURRENT VOLTAGE CURVE OF THE A-SI-H SOLAR-CELLS
Authors: POPESCU, C; STOICA, T; SAVANE, AG

Published: JUN 16 1987, PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 101, 477, DOI: 10.1002/pssa.2211010219

76. EVALUATION OF THE OPTICAL-CONSTANTS AND THICKNESSES OF WEAKLY ABSORBING NONUNIFORM THIN-FILMS
Authors: GRIGOROVICI, R; STOICA, T; VANCU, A

Published: 1982, THIN SOLID FILMS, 97, 185, DOI: 10.1016/0040-6090(82)90226-7

77. LIGHT-INDUCED-CHANGES IN A-SI-H ANALYZED BY FIELD-EFFECT MEASUREMENTS
Authors: STOICA, T

Published: 1981, JOURNAL DE PHYSIQUE, 42, 410, DOI: 10.1051/jphyscol:1981488

78. BULK BOUNDARY-CONDITIONS FOR INJECTION AND EXTRACTION IN TRAP-FREE LIFETIME AND RELAXATION SEMICONDUCTORS
Authors: STOICA, T; POPESCU, C

Published: 1978, PHYSICAL REVIEW B, 17, 3983, DOI: 10.1103/PhysRevB.17.3972

79. PHOTOCONDUCTIVITY IN A-GESE
Authors: VESCAN, L; STOTZEL, H; STOICA, T; KOTTWITZ, A

Published: 1978, PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 87, 246, DOI: 10.1002/pssb.2220870128

80. A nanoscale continuous transition from the monoclinic to ferroelectric orthorhombic phase inside HfO2 nanocrystals stabilized by HfO2 capping and self-controlled Ge doping
Authors: Palade, C; Lepadatu, AM; Slav, A; Cojocaru, O; Iuga, A; Maraloiu, VA; Moldovan, A; Dinescu, M; Teodorescu, VS; Stoica, T; Ciurea, ML

Published: , JOURNAL OF MATERIALS CHEMISTRY C, DOI: 10.1039/d1tc02921e

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