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Dr. Mihaela SOFRONIE

Scientific Researcher III

Laboratory of Magnetism and Superconductivity

mihsof[AT]infim[DOT]ro

Projects

1. Ferromagnetic shape memory ribbons as contact free active elements in micropump

Project Type: , Start Date: End Date:

Publications

1. Formation of skyrmion phase in the Fe-Co-Si system by mechanochemical activation
Authors: Sorescu, M; Tolea, F; Sofronie, M; Kuncser, V; Craig, AJ; Aitken, JA

Published: SEP 1 2024, PHYSICA B-CONDENSED MATTER, 688, 416153, DOI: 10.1016/j.physb.2024.416153

2. Magnetic Shape Memory Nanocomposites Assembled with High Speed High Pressure Torsion
Authors: Gurau, C; Tolea, F; Cimpoesu, N; Sofronie, M; Ceoromila, AC; Stefanescu, C; Gurau, G

Published: MAR 2024, NANOMATERIALS, 14, 405, DOI: 10.3390/nano14050405

3. Kinetics and the Effect of Thermal Treatments on the Martensitic Transformation and Magnetic Properties in Ni49Mn32Ga19 Ferromagnetic Shape Memory Ribbons
Authors: Tolea, F; Popescu, B; Bartha, C; Enculescu, M; Tolea, M; Sofronie, M

Published: JAN 2023, MAGNETOCHEMISTRY, 9, 7, DOI: 10.3390/magnetochemistry9010007

4. Kinetics and the Effect of Thermal Treatments on the Martensitic Transformation and Magnetic Properties in Ni49Mn32Ga19 Ferromagnetic Shape Memory Ribbons
Authors: Tolea, F; Popescu, B; Bartha, C; Enculescu, M; Tolea, M; Sofronie, M

Published: JAN 2023, MAGNETOCHEMISTRY, 9, 7, DOI: 10.3390/magnetochemistry9010007

5. Effects of mechanochemical activation on the structural, magnetic and optical properties of yttrium iron garnet-graphene nanoparticles
Authors: Glasser, S; Tolea, F; Craig, AJ; Sofronie, M; Aitken, JA; Sorescu, M

Published: FEB 1 2023, PHYSICA B-CONDENSED MATTER, 650, 414501, DOI: 10.1016/j.physb.2022.414501

6. Anticoagulant Properties of Coated Fe-Pd Ferromagnetic Shape Memory Ribbons
Authors: Bunge, A; Chiriac, A; Sofronie, M; Craciunescu, I; Porav, AS; Turcu, R

Published: FEB 2023, INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 24, 2452, DOI: 10.3390/ijms24032452

7. MICROSTRUCTURE, MAGNETIC AND MAGNETOSTRICTIVE BEHAVIOUR IN RAPIDLY QUENCHED OFF-STOICHIOMETRIC Ni-Mn-Ga FERROMAGNETIC SHAPE MEMORY ALLOYS
Authors: Sofronie, M; Tolea, F; Enculescu, M; Pasuk, I; Popescu, B

Published: 2022, ROMANIAN REPORTS IN PHYSICS, 74, 503, DOI:

8. Mechanochemical synthesis and Mossbauer characterization of neodymium oxide-hematite magnetic ceramic nanoparticles: Phase sequence and recoilless fraction
Authors: Sorescu, M; Diamandescu, L; Sofronie, M; Pratt, C; Jubeck, J

Published: FEB 1 2022, MATERIALS CHEMISTRY AND PHYSICS, 277, 125511, DOI: 10.1016/j.matchemphys.2021.125511

9. Analysis of Functionalized Ferromagnetic Memory Alloys from the Perspective of Developing a Medical Vascular Implant
Authors: Nan, A; Turcu, R; Tudoran, C; Sofronie, M; Chiriac, A

Published: APR 2022, POLYMERS, 14, 1397, DOI: 10.3390/polym14071397

10. Magnetic and Magnetostrictive Properties of Ni50Mn20Ga27Cu3 Rapidly Quenched Ribbons
Authors: Sofronie, M; Tolea, M; Popescu, B; Enculescu, M; Tolea, F

Published: SEP 2021, MATERIALS, 14, DOI: 10.3390/ma14185126

11. Structural, magnetic and magnetostrictive properties of the ternary iron-palladium-silicon ferromagnetic shape memory ribbons
Authors: Sofronie, M; Popescu, B; Enculescu, M

Published: FEB 5 2021, APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 127, DOI: 10.1007/s00339-021-04315-0

12. STUDIES ABOUT STRUCTURAL AND THERMAL INVESTIGATIONS ON Ti50Ni30Cu20 ALLOYS OBTAINED BY DIFFERENT TECHNOLOGICAL PROCESSES
Authors: Cirstea, CD; Lucaci, M; Valeanu, M; Sofronie, M; Bujoreanu, LG; Lungu, MV; Tsakiris, V; Cucos, A; Talpeanu, D; Enescu, E

Published: 2021, ROMANIAN JOURNAL OF PHYSICS, 66, DOI:

13. Martensitic Transformation and Magnetic Properties of Ni57Fe18Ga25 Shape Memory Alloy Subjected to Severe Plastic Deformation
Authors: Popescu, B; Gurau, C; Gurau, G; Tolea, M; Sofronie, M; Tolea, F

Published: OCT 2021, TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 74, 2498, DOI: 10.1007/s12666-021-02293-8

14. EFFECT OF Mn SUBSTITUTION ON THE STRUCTURAL, MAGNETIC AND MAGNETOSTRICTIVE PROPERTIES OF Fe-Pd FERROMAGNETIC SHAPE MEMORY RIBBONS
Authors: Sofronie, M; Enculescu, M; Crisan, AD; Tolea, F

Published: 2020, ROMANIAN REPORTS IN PHYSICS, 72, DOI:

15. Magnetic and magnetostrictive properties of the ternary Fe67.5Pd30.5Ga2 ferromagnetic shape memory ribbons
Authors: Sofronie, M; Tolea, F; Tolea, M; Popescu, B; Valeanu, M

Published: JUL 2020, JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 142, DOI: 10.1016/j.jpcs.2020.109446

16. Thermal, structural, magnetic and magneto-optical properties of dysprosium-doped phosphate glass
Authors: Elisa, M; Stefan, R; Vasiliu, IC; Rusu, MI; Sava, BA; Boroica, L; Sofronie, M; Kuncser, V; Galca, AC; Beldiceanu, A; Volceanov, A; Eftimie, M

Published: OCT 1 2019, JOURNAL OF NON-CRYSTALLINE SOLIDS, 521, DOI: 10.1016/j.jnoncrysol.2019.119545

17. Magneto-optical properties of Ce3+ and Tb3+-doped silico-phosphate sol-gel thin films
Authors: Stefan, CR; Elisa, M; Vasiliu, IC; Sava, BA; Boroica, L; Sofronie, M; Tolea, F; Enculescu, M; Kuncser, V; Beldiceanu, A; Volceanov, A; Eftimie, M

Published: AUG 1 2018, APPLIED SURFACE SCIENCE, 448, 480, DOI: 10.1016/j.apsusc.2018.04.067

18. Martensitic transformation and related properties of Fe69.4Pd30.6 ferromagnetic shape memory ribbons
Authors: Tolea, F; Sofronie, M

Published: NOV-DEC 2018, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 20, 706, DOI:

19. Specific Changes in the Magnetoresistance of Ni-Fe-Ga Heusler Alloys Induced by Cu, Co, and Al Substitutions
Authors: Tolea, F; Tolea, M; Sofronie, M; Popescu, B; Crisan, A; Leca, A; Valeanu, M

Published: APR 2017, IEEE TRANSACTIONS ON MAGNETICS, 53, DOI: 10.1109/TMAG.2016.2628386

20. Structure, Magnetic Properties and Hyperfine Parameters of Nd-Substituted Ni-Fe-Ga Heusler Alloys
Authors: Sorescu, M; Tolea, F; Valeanu, M; Sofronie, M

Published: 2017, MRS ADVANCES, 2, 1346, DOI: 10.1557/adv.2017.70

21. Magnetoelastic properties in polycrystalline ferromagnetic shape memory Heusler alloys
Authors: Sofronie, M; Tolea, F; Crisan, AD; Popescu, B; Valeanu, M

Published: 2016, 21ST EUROPEAN CONFERENCE ON FRACTURE, (ECF21), 2, 1537, DOI: 10.1016/j.prostr.2016.06.194

22. The relationship between magnetism and magneto-optical effects in rare earth doped aluminophosphate glasses
Authors: Valeanu, M; Sofronie, M; Galca, AC; Tolea, F; Elisa, M; Sava, B; Boroica, L; Kuncser, V

Published: FEB 25 2016, JOURNAL OF PHYSICS D-APPLIED PHYSICS, 49, DOI: 10.1088/0022-3727/49/7/075001

23. Effect of thermal treatments in Ni-Fe-Ga with Co substitutions and Ni-Mn-Ga melt spun ribbons
Authors: Tolea, F; Sofronie, M; Crisan, AD; Popescu, B; Tolea, M; Valeanu, M

Published: 2016, 21ST EUROPEAN CONFERENCE ON FRACTURE, (ECF21), 2, 1480, DOI: 10.1016/j.prostr.2016.06.187

24. Distribution of plates' sizes tell the thermal history in a simulated martensitic-like phase transition
Authors: Tolea, F; Tolea, M; Sofronie, M; Valeanu, M

Published: JUL 2015, SOLID STATE COMMUNICATIONS, 213, 41, DOI: 10.1016/j.ssc.2015.04.016

25. Magnetic and Martensitic Transformations in the bulk and melt spun ribbons of Ni57-xNdxFe18Ga25 Ferromagnetic Shape Memory Alloys
Authors: Tolea, F; Crisan, AD; Sofronie, M; Tolea, M; Valeanu, M

Published: 2015, MATERIALS TODAY-PROCEEDINGS, 2, 878, DOI: 10.1016/j.matpr.2015.07.421

26. SHAPE MEMORY PROPERTIES OF FeNiCoTi RIBBONS EVIDENCED BY MAGNETIC MEASUREMENTS
Authors: Tolea, F; Sofronie, M; Tolea, M; Kuncser, V; Valeanu, M

Published: APR-JUN 2015, DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES, 10, 575, DOI:

27. Rapid determination of Faraday rotation in optical glasses by means of secondary Faraday modulator
Authors: Sofronie, M; Elisa, M; Sava, BA; Boroica, L; Valeanu, M; Kuncser, V

Published: MAY 2015, REVIEW OF SCIENTIFIC INSTRUMENTS, 86, DOI: 10.1063/1.4920920

28. Effect of thermal treatments on the structural and magnetic transitions in melt-spun Ni-Fe-Ga-(Co) ribbons
Authors: Tolea, F; Sofronie, M; Crisan, AD; Enculescu, M; Kuncser, V; Valeanu, M

Published: NOV 25 2015, JOURNAL OF ALLOYS AND COMPOUNDS, 650, 670, DOI: 10.1016/j.jallcom.2015.07.296

29. Magneto-Structural Properties and Magnetic Behavior of Fe-Pd Ribbons
Authors: Sofronie, MI; Tolea, F; Kuncser, V; Valeanu, MC; Filoti, G

Published: JAN 2015, IEEE TRANSACTIONS ON MAGNETICS, 51, DOI: 10.1109/TMAG.2014.2359226

30. Magnetocaloric effect in Ni-Fe-Ga Heusler alloys with Co and Al substitutions
Authors: Tolea, F; Sofronie, M; Crisan, AD; Tolea, M; Valeanu, M

Published: 2015, ESOMAT 2015 - 10TH EUROPEAN SYMPOSIUM ON MARTENSITIC TRANSFORMATIONS, 33, DOI: 10.1051/matecconf/20153305008

31. Characterization of martensitic transformation in some Ni-Fe-Co-Ga ferromagnetic shape memory alloys
Authors: Tolea, F; Sofronie, M; Ghica, C; Valeanu, M

Published: MAY 2011, OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS, 5, 566, DOI:

32. Martensitic transformation of Ti50Ni30Cu20 alloy prepared by powder metallurgy
Authors: Valeanu, M; Lucaci, M; Crisan, AD; Sofronie, M; Leonat, L; Kuncser, V

Published: MAR 31 2011, JOURNAL OF ALLOYS AND COMPOUNDS, 509, 4498, DOI: 10.1016/j.jallcom.2011.01.154

33. Magnetic Nanocomposites for Permanent Magnets
Authors: Tolea, F; Sofronie, M; Birsan, A; Schinteie, G; Kuncser, V; Valeanu, M

Published: 2010, TRENDS IN NANOPHYSICS: THEORY, EXPERIMENT AND TECHNOLOGY, 296, DOI: 10.1007/978-3-642-12070-1_12

34. Martensitic transformation and accompanying magnetic changes in Ni-Fe-Ga-Co alloys
Authors: Sofronie, M; Tolea, F; Kuncser, V; Valeanu, M

Published: JUN 1 2010, JOURNAL OF APPLIED PHYSICS, 107, DOI: 10.1063/1.3429231

35. STUDIES ABOUT STRUCTURAL AND THERMAL INVESTIGATIONS ON Ti50Ni30Cu20 ALLOYS OBTAINED BY DIFFERENT TECHNOLOGICAL PROCESSES
Authors: Cirstea, CD; Lucaci, M; Valeanu, M; Sofronie, M; Bujoreanu, LG; Lungu, MV; Tsakiris, V; Cucos, A; Talpeanu, D; Enescu, E

Published: , ROMANIAN JOURNAL OF PHYSICS, 2021, DOI: 601

36. Effects of the Severe Plastic Deformation on the Magnetic Properties of Zr13Co87 Ribbons
Authors: Popescu, B; Palade, P; Sofronie, M; Kuncser, A; Gurau, C; Gurau, G; Tolea, F

Published: , METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, DOI: 10.1007/s11661-021-06507-y

37. MICROSTRUCTURE, MAGNETIC AND MAGNETOSTRICTIVE BEHAVIOUR IN RAPIDLY QUENCHED OFF-STOICHIOMETRIC Ni-Mn-Ga FERROMAGNETIC SHAPE MEMORY ALLOYS
Authors: Sofronie, M; Tolea, F; Enculescu, M; Pasuk, I; Popescu, B

Published: , ROMANIAN REPORTS IN PHYSICS, 2022, DOI: 503

38. Martensitic Transformation and Magnetic Properties of Ni57Fe18Ga25 Shape Memory Alloy Subjected to Severe Plastic Deformation
Authors: Popescu, B; Gurau, C; Gurau, G; Tolea, M; Sofronie, M; Tolea, F

Published: , TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, DOI: 10.1007/s12666-021-02293-8

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