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Dr. Eng. Mihai-Alexandru GRIGOROSCUTA

Scientific Researcher

Laboratory of Magnetism and Superconductivity

mihai[DOT]grigoroscuta[AT]infim[DOT]ro
Keywords: Spark Plasma Sintering; MgB2 superconductor

Education

PhD. at University "Politehnica" of Bucharest, Faculty of Materials Science and Engineering

Positions

Researcher

Research interests

Processing of different composites (Spark Plasma Sintering; intense ultrasonication, magneto-texturing): MgB2, other borides and rare earths.

Measurements of different properties: magnetism, superconductivity (VSM, SQUID, PPMS); mechanical properties (hardness, flexure, compression, INSTRON equipment); crystal growth (TiO2, LASCO)

Expertize

Processing by Spark Plasma Sintering of various borides and boride composites.

Crystal growth of superconductors (LASCO).

Superconductor, mechanical, physico-chemical properties of composites.

Patents

1. Method for making multifunctional medical devices, intended to immobilize joints or fractures, involves making design of functionalized porous system by three-dimensional (3D) printing using biocompatible poly lactic acid (PLLA) filament, loading with PVP polymer and magnesium diboride powder. 2022-47568N. RO135565(A0)

2. Preparation of antibacterial product used as mouthwash, involves mixing powder material containing main phase containing magnesium boride and secondary phase containing magnesium oxide and magnesium, with solution containing chlorhexidine. 2021-36330A. RO134808(A0)

3. Processing of magnesium-dibromide-based superconductive strip/wire for e.g. power machine, involves plastic deforming and electric-field-assisted sintering powder made of hexagonal boron nitride and magnesium dibromide in light metal sheath. 2021-02305V. RO134662(A2)

4. Obtaining optical material by sintering mixture of ceria, ytterbium oxide and erbium(III) oxide powders to obtain target material to deposit on silicon substrate to produce thin layer based on ceria, doped with ytterbium and erbium oxides. 2021-02305L. RO134631(A0)

5. Manufacturing superconductive solid bodies of magnesium diboride used in e.g. current limiters, by subjecting dense superconductive bodies to sintering assisted by intense electric field, using fast heating. 2020-C1185G. RO134559(B1)

6. Preparing magnesium boride-based material with antimicrobial activity used for protecting surface against bacterial adherence, by mixing magnesium boride powder with polyvinylpyrrolidone, dissolving in ethanol, and applying on surfaces. 2020-27602Q. RO133974(A0)

7. Processing superconductor strip or wire comprising magnesium diboride-based core, involves performing plastic deformation and intense electric field-assisted sintering, immersing strip/wire under vacuum and heating strip/wire. 2019-457114. RO133106(A2)

Resume

2021 - Present: Researcher at Laboratory of Magnetism and Superconductivity in NIMP, Romania

2016- 2021: PhD. studies at University ”Politehnica” of Bucharest , Faculty of Material Science and Engineering,  Coordinator: Badica Petre,  Cojocaru Mihai Ovidiu. Subject: Boron and rare earth based materials for different applications

2015-2021: Research assistant at Laboratory of Magnetism and Superconductivity in NIMP, Romania

May-2019, November 2018: Research internship at NIMS, Tsukuba, Japan

2014-2016: MSc degree at University ”Politehnica” of Bucharest ,  Faculty of Material Science and Engineering, Biomaterials. Thesis title: Spectral conversion in photovoltaic applications by using Yb and Er codoped CeO2 thin films

May-August 2013: Research internship at IPCMS, Strasbourg, France. Subject: Structural and optical properties of CeO2 thin films doped with rare-earth ions for photovoltaic applications

2010-2014: Bachelor degree at University ”Politehnica” of Bucharest , Faculty of Material Science and Engineering. Subject: Structural and optical properties of CeO2 thin films doped with rare-earth ions for photovoltaic applications

 

Publications

1. Martensitic transformation dynamics and mechanical properties investigation in spark plasma sintered Ni-Mn-Ga shape memory alloys
Authors: Popescu, B; Bartha, C; Enculescu, M; Tolea, F; Grigoroscuta, MA; Tolea, M; Badica, P; Sofronie, M

Published: MAY 1 2025, SMART MATERIALS AND STRUCTURES, 34, 055012, DOI: 10.1088/1361-665X/add19d

Open Access
2. High-Entropy Ti, Zr, Hf, Ta Multiphase Diboride with Deformation Resistance up to 2000 °C
Authors: Badica, P; Grigoroscuta, MA; Kuncser, AC; Vasylkiv, O

Published: MAY 2025, ADVANCED ENGINEERING MATERIALS, 27, DOI: 10.1002/adem.202402723

Open Access
3. Microwave surface resistance in MgB2: Effect of Te and cubic-BN addition on flux flow and pinning
Authors: Alimenti, A; Silva, E; Torokhtii, K; Garcia, PV; Badica, P; Crisan, A; Grigoroscuta, MA; Pompeo, N

Published: JUN 2025, SUPERCONDUCTIVITY, 14, 100170, DOI: 10.1016/j.supcon.2025.100170

Open Access
4. Microstructure and coupling mechanisms in MnBi-FeSiB nanocomposites obtained by spark plasma sintering
Authors: Alexandru-Dinu, A; Locovei, C; Bartha, C; Grigoroscuta, MA; Burdusel, M; Kuncser, A; Palade, P; Schinteie, G; Iacob, N; Lu, W; Batalu, D; Badica, P; Kuncser, V

Published: JUL 24 2024, SCIENTIFIC REPORTS, 14, 17029, DOI: 10.1038/s41598-024-67353-7

Open Access
5. Vortex-Mixing Microfluidic Fabrication of Micafungin-Loaded Magnetite-Salicylic Acid-Silica Nanocomposite with Sustained-Release Capacity
Authors: Mercan, DA; Niculescu, AG; Birca, AC; Cristea, DE; Morosan, A; Tudorache, DI; Purcareanu, B; Vasile, BS; Radu, D; Grigoroscuta, MA; Hadibarata, T; Mihaiescu, DE; Grumezescu, AM

Published: DEC 2024, MATERIALS, 17, 5816, DOI: 10.3390/ma17235816

Open Access
6. Functionalization of graphene oxide surface by conjugation with glucosamine and analysis of interactions occurring in nanoceramic-graphene heterostructures
Authors: Kukielski, M; Kasprzak, A; Zurowski, R; Tanska, J; Wiecinska, P; Wieclaw-Midor, A; Zygmuntowicz, J; Grigoroscuta, MA; Wiecinski, P

Published: JAN 1 2024, POWDER TECHNOLOGY, 431, 119089, DOI: 10.1016/j.powtec.2023.119089

Open Access
7. USE OF ENERGY DISPERSIVE X-RAY SPECTROSCOPY AS A CONVENIENT TECHNIQUE FOR ESTIMATION OF QUARTZ PURITY IN GEOLOGICAL SAMPLES SUBJECT TO SURFACE EXPOSURE DATING WITH 10Be AND 26Al
Authors: Pascal, D; Enachescu, M; Mereuta, P; Petre, AR; Grigoroscuta, M; Badica, P

Published: 2023, ROMANIAN REPORTS IN PHYSICS, 75, 205, DOI: 10.59277/RomRepPhys.2023.75.205

Open Access
8. Mesoporous Composite Bioactive Compound Delivery System for Wound-Healing Processes
Authors: Purcareanu, B; Ene, MD; Morosan, A; Mihaiescu, DE; Florea, MA; Ghica, A; Nita, RA; Drumea, V; Grigoroscuta, MA; Kuncser, A; Badica, P; Olariu, L

Published: SEP 2023, PHARMACEUTICS, 15, 2258, DOI: 10.3390/pharmaceutics15092258

Open Access
9. Measurements of Surface Impedance in MgB2 in DC Magnetic Fields: Insights in Flux-Flow Resistivity
Authors: Alimenti, A; Torokhtii, K; García, PV; Silva, E; Grigoroscuta, MA; Badica, P; Crisan, A; Pompeo, N

Published: JAN 2023, MATERIALS, 16, 205, DOI: 10.3390/ma16010205

Open Access
10. Multi-Parametric Exploration of a Selection of Piezoceramic Materials for Bone Graft Substitute Applications
Authors: Nedelcu, L; Ferreira, JMF; Popa, AC; Amarande, L; Nan, B; Balescu, LM; Geambasu, CD; Cioangher, MC; Leonat, L; Grigoroscuta, M; Cristea, D; Stroescu, H; Ciocoiu, RC; Stan, GE

Published: FEB 2023, MATERIALS, 16, 901, DOI: 10.3390/ma16030901

Open Access
11. Efficient Sintering of Mo Matrix Composites-A Study of Temperature Dependences and the Use of the Sinter Additive Ni
Authors: Solodkyi, I; Petrusha, V; Grigoroscuta, MA; Schmelzer, J; Hasemann, G; Betke, U; Badica, P; Krüger, M

Published: OCT 2023, METALS, 13, 1715, DOI: 10.3390/met13101715

12. Screening of magnetic fields by superconducting and hybrid shields with a circular cross-section
Authors: Gozzelino, L; Fracasso, M; Solovyov, M; Gömöry, F; Napolitano, A; Gerbaldo, R; Ghigo, G; Laviano, F; Torsello, D; Grigoroscuta, MA; Aldica, G; Burdusel, M; Badica, P

Published: APR 1 2022, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 35, 044002, DOI: 10.1088/1361-6668/ac4ad0

Open Access
13. Mud and burnt Roman bricks from Romula
Authors: Badica, P; Alexandru-Dinu, A; Grigoroscuta, MA; Burdusel, M; Aldica, GV; Sandu, V; Bartha, C; Polosan, S; Galatanu, A; Kuncser, V; Enculescu, M; Locovei, C; Porosnicu, I; Tiseanu, I; Ferbinteanu, M; Savulescu, I; Negru, M; Batalu, ND

Published: SEP 23 2022, SCIENTIFIC REPORTS, 12, 15864, DOI: 10.1038/s41598-022-19427-7

14. MgB2 with Addition of Cubic BN and Ge2C6H10O7 Obtained by Spark Plasma Sintering Technique
Authors: Ionescu, AM; Aldica, G; Popa, S; Enculescu, M; Sandu, V; Pasuk, I; Burdusel, M; Grigoroscuta, MA; Miu, L; Badica, P

Published: DEC 2022, JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 35, DOI: 10.1007/s10948-022-06350-1

15. Intrinsic losses in microwave dielectrics investigated by THz-TDS: A comparison between conventional and spark plasma sintered Zr0.8Sn0.2TiO4 ceramics
Authors: Nedelcu, L; Banciu, MG; Geambasu, CD; Burdusel, M; Grigoroscuta, MA; Enculescu, M; Badica, P

Published: 2022, 2022 47TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ 2022), DOI: 10.1109/IRMMW-THz50927.2022.9895934

16. Effect of polysilane addition on spark plasma sintering and superconducting properties of MgB2 bulks
Authors: Sandu, V; Aldica, G; Grigoroscuta, MA; Burdusel, M; Pasuk, ; Ching, YC; Ionescu, AM; Badica, P

Published: NOV 1 2022, CERAMICS INTERNATIONAL, 48, DOI: 10.1016/j.ceramint.2022.07.127

Open Access
17. Microwave and Terahertz Properties of Spark-Plasma-Sintered Zr0.8Sn0.2TiO4 Ceramics
Authors: Nedelcu, L; Burdusel, M; Grigoroscuta, MA; Geambasu, CD; Enculescu, M; Badica, P; Banciu, MG

Published: FEB 2022, MATERIALS, 15, 1258, DOI: 10.3390/ma15031258

Open Access
18. MgB2-based biodegradable materials for orthopedic implants br
Authors: Badica, P; Batalu, ND; Balint, E; Tudor, N; Barbuceanu, F; Peteoaca, A; Micsa, C; Eremia, AD; Trancau, OI; Burdusel, M; Grigoroscuta, MA; Aldica, GV; Radu, D; Porosnicu, I; Tiseanu, I

Published: SEP-OCT 2022, JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, 20, DOI: 10.1016/j.jmrt.2022.07.164

Open Access
19. Towards high degree of c-axis orientation in MgB2 bulks
Authors: Grigoroscuta, MA; Aldica, G; Burdusel, M; Sandu, ; Kuncser, A; Pasuk, ; Ionescu, AM; Suzuki, TS; Vasylkiv, O; Badica, P

Published: AUG 2022, JOURNAL OF MAGNESIUM AND ALLOYS, 10, DOI: 10.1016/j.jma.2021.10.013

Open Access
20. Antimicrobial Activity of MgB2 Powders Produced via Reactive Liquid Infiltration Method
Authors: Padhi, SK; Baglieri, N; Bonino, V; Agostino, A; Operti, L; Batalu, ND; Chifiriuc, MC; Popa, M; Burdusel, M; Grigoroscuta, MA; Aldica, GV; Radu, D; Badica, P; Truccato, M

Published: AUG 2021, MOLECULES, 26, 4966, DOI: 10.3390/molecules26164966

Open Access
21. MgB2 powders and bioevaluation of their interaction with planktonic microbes, biofilms, and tumor cells
Authors: Badica, P; Batalu, ND; Chifiriuc, MC; Burdusel, M; Grigoroscuta, MA; Aldica, G; Pasuk, I; Kuncser, A; Enculescu, M; Popa, M; Marutescu, LG; Gheorghe, I; Thamer, O; Bleotu, C; Pircalabioru, GG; Operti, L; Bonino, V; Agostino, A; Truccato, M

Published: MAY-JUN 2021, JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, 12, DOI: 10.1016/j.jmrt.2021.04.003

Open Access
22. In Vitro Evaluation of MgB2 Powders as Novel Tools to Fight Fungal Biodeterioration of Heritage Buildings and Objects
Authors: Gheorghe, I; Avram, I; Corbu, VM; Marutescu, L; Popa, M; Balotescu, I; Blajan, I; Mateescu, V; Zaharia, D; Dumbrava, AS; Zetu, OE; Pecete, I; Cristea, VC; Batalu, D; Grigoroscuta, MA; Burdusel, M; Aldica, GV; Badica, P; Datcu, AD; Ianovici, N; Bleotu, C; Lazar, V; Ditu, LM; Chifiriuc, MC

Published: JAN 13 2021, FRONTIERS IN MATERIALS, 7, 601059, DOI: 10.3389/fmats.2020.601059

Open Access
23. On the pinning force in high density MgB2 samples
Authors: Sandu, V; Ionescu, AM; Aldica, G; Grigoroscuta, MA; Burdusel, M; Badica, P

Published: MAR 15 2021, SCIENTIFIC REPORTS, 11, 5951, DOI: 10.1038/s41598-021-85209-2

24. Kaolin clay pottery discovered in the Roman city of Romula (Olt County, Romania)
Authors: Badica, P; Alexandru-Dinu, A; Grigoroscuta, M; Locovei, C; Kuncser, A; Bartha, C; Aldica, G; Negru, M; Batalu, D; Cruceru, N; Savulescu, I

Published: APR 2021, JOURNAL OF ARCHAEOLOGICAL SCIENCE-REPORTS, 36, 102899, DOI: 10.1016/j.jasrep.2021.102899

Open Access
25. Antibacterial composite coatings of MgB2 powders embedded in PVP matrix
Authors: Badica, P; Batalu, ND; Burdusel, M; Grigoroscuta, MA; Aldica, G; Enculescu, M; Pircalabioru, GG; Popa, M; Marutescu, LG; Dumitriu, BG; Olariu, L; Bicu, A; Purcareanu, B; Operti, L; Bonino, V; Agostino, A; Truccato, M; Chifiriuc, MC

Published: MAY 5 2021, SCIENTIFIC REPORTS, 11, 9591, DOI: 10.1038/s41598-021-88885-2

Open Access
26. Sintered and 3D-Printed Bulks of MgB2-Based Materials with Antimicrobial Properties
Authors: Badica, P; Batalu, ND; Chifiriuc, MC; Burdusel, M; Grigoroscuta, MA; Aldica, GV; Pasuk, I; Kuncser, A; Popa, M; Agostino, A; Operti, L; Padhi, SK; Bonino, V; Truccato, M

Published: OCT 2021, MOLECULES, 26, 6045, DOI: 10.3390/molecules26196045

27. Partially-oriented MgB2 superconducting bulks with addition of B4C and cubic BN obtained by slip casting under high magnetic field and spark plasma sintering
Authors: Grigoroscuta, MA; Aldica, G; Pasuk, I; Burdusel, M; Sandu, V; Kuncser, A; Suzuki, TS; Vasylkiv, O; Badica, P

Published: FEB 2021, MATERIALS RESEARCH BULLETIN, 134, 111103, DOI: 10.1016/j.materresbull.2020.111103

Open Access
28. Enhanced critical current density at high magnetic fields in MgB2 with Ga/In acetylacetonate processed by spark plasma sintering
Authors: Batalu, D; Aldica, G; Burdusel, M; Grigoroscuta, M; Pasuk, I; Kuncser, A; Ionescu, AM; Badica, P

Published: MAY-JUN 2020, JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T, 9, DOI: 10.1016/j.jmrt.2020.01.109

Open Access
29. Microwave investigation of pinning in Te- and cubic-BN- added MgB2
Authors: Alimenti, A; Torokhtii, K; Grigoroscuta, M; Badica, P; Crisan, A; Silva, E; Pompeo, N

Published: 2020, 14TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS2019), 1559, 012039, DOI: 10.1088/1742-6596/1559/1/012039

Open Access
30. Investigation of flux jumps during pulsed field magnetization in graphene-added MgB2 bulks
Authors: Yokoyama, K; Oka, T; Berger, K; Dorget, R; Koblischka, M; Grigoroscuta, M; Burdusel, M; Batalu, D; Aldica, G; Badica, P; Sakai, N; Muralidhar, M; Murakami, M

Published: 2020, 14TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS2019), 1559, 012080, DOI: 10.1088/1742-6596/1559/1/012080

Open Access
31. Reproducibility of small Ge2C6H10O7-added MgB2 bulks fabricated by ex situ Spark Plasma Sintering used in compound bulk magnets with a trapped magnetic field above 5T
Authors: Badica, P; Aldica, G; Grigoroscuta, MA; Burdusel, M; Pasuk, ; Batalu, D; Berger, K; Koblischka-Veneva, A; Koblischka, MR

Published: JUN 29 2020, SCIENTIFIC REPORTS, 10, 10538, DOI: 10.1038/s41598-020-67463-y

32. High magnetic shielding properties of an MgB2 cup obtained by machining a spark-plasma-sintered bulk cylinder
Authors: Gozzelino, L; Gerbaldo, R; Ghigo, G; Torsello, D; Bonino, V; Truccato, M; Grigoroscuta, MA; Burdusel, M; Aldica, GV; Sandu, V; Pasuk, I; Badica, P

Published: APR 2020, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 33, 044018, DOI: 10.1088/1361-6668/ab7846

33. Extrinsic absorption in spark plasma sintered Zr0.8Sn0.2TiO4 ceramics investigated by terahertz time-domain spectroscopy
Authors: Nedelcu, L; Burdusel, M; Grigoroscuta, MA; Geambasu, CD; Banciu, MG; Badica, P

Published: 2019, 2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ), DOI:

34. Passive magnetic shielding by machinable MgB2 bulks: measurements and numerical simulations
Authors: Gozzelino, L; Gerbaldo, R; Ghigo, G; Laviano, F; Torsello, D; Bonino, V; Truccato, M; Batalu, D; Grigoroscuta, MA; Burdusel, M; Aldica, GV; Badica, P

Published: MAR 2019, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 32, DOI: 10.1088/1361-6668/aaf99e

35. Bulks of Al-B-C obtained by reactively spark plasma sintering and impact properties by Split Hopkinson Pressure Bar
Authors: Vasylkiv, O; Borodianska, H; Demirskyi, D; Li, P; Suzuki, TS; Grigoroscuta, MA; Pasuk, I; Kuncser, A; Badica, P

Published: DEC 20 2019, SCIENTIFIC REPORTS, 9, DOI: 10.1038/s41598-019-55888-z

36. Superconducting MgB2 textured bulk obtained by ex situ spark plasma sintering from green compacts processed by slip casting under a 12T magnetic field
Authors: Grigoroscuta, MA; Sandu, V; Kuncser, A; Pasuk, I; Aldica, G; Suzuki, TS; Vasylkiv, O; Badica, P

Published: DEC 2019, SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 32, DOI: 10.1088/1361-6668/ab4620

37. Enhanced near-infrared response of a silicon solar cell by using an up-conversion phosphor film of Yb/Er - co-doped CeO2
Authors: Grigoroscuta, M; Secu, M; Trupina, L; Enculescu, M; Besleaga, C; Pintilie, I; Badica, P

Published: SEP 1 2018, SOLAR ENERGY, 171, 46, DOI: 10.1016/j.solener.2018.06.057

38. Compressive properties of pristine and SiC-Te-added MgB2 powders, green compacts and spark-plasma-sintered bulks
Authors: Badica, P; Batalu, D; Burdusel, M; Grigoroscuta, MA; Aldica, GV; Enculescu, M; Gabor, RA; Wang, ZY; Huang, RX; Li, PF

Published: JUN 15 2018, CERAMICS INTERNATIONAL, 44, 10191, DOI: 10.1016/j.ceramint.2018.03.008

39. POWDER-IN-TUBE TAPES OF MgB2 IN Fe-SHEATH PROCESSED BY EX-SITU SPARK PLASMA SINTERING
Authors: Burdusel, M; Ionescu, AM; Grigoroscuta, M; Batalu, D; Enculescu, M; Popa, S; Mihalache, V; Aldica, G; Badica, P

Published: 2017, UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES B-CHEMISTRY AND MATERIALS SCIENCE, 79, 172, DOI:

40. From an Anomalous Peak Effect to a Second Magnetization Peak in Nb-rich Nb-Ti Alloys
Authors: Ionescu, AM; Ivan, I; Enculescu, M; Grigoroscuta, M; Miu, D; Valeanu, M; Badica, P; Miu, L

Published: APR 2017, JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 30, 1108, DOI: 10.1007/s10948-016-3670-4

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