Results

Articles published in ISI indexed journals
  1. C. Schornig, M. Stef, G. Buse, M. Poienar, P. Veber and D. Vizman - Spectroscopic Properties of TmF3-Doped CaF2 Crystals

    Materials 17(20) (2024), 4965

  2. G. Buse, C. Schornig, M. Stef, M. Poienar, D. Tatomirescu, A. Popescu, J. Debray, V.Motto-Ros, F. Pelascini, D. Vizman, P. Veber - Single crystal growth by the Bridgman-Stockbarger technique of CaF2 -rich TmF3 solid solutions: evidence of mixed valence Tm2+ and Tm3+ cations

    Journal of Alloys and Compounds 1010 (2025), 177784

  3. Stef, M.; Schornig, C.; Buse, G. - Optical and Dielectric Properties of BaF2:(Er,Yb) Co-Doped Crystal

    Materials 18 (2025), 1915

  4. Marius Stef, Gabriel Buse, Matthias Gutmann and Maria Poienar* - Structural and optical properties of 5 mol% ErF3-doped fluoride crystals

    Physica Scripta, Volume 100, Number 10 (2025), 105902

  5. Carla Schornig (Zeicu), Marius Stef, Gabriel Buse,. Maria Poienar, Philippe Veber, Daniel Vizman - Spectroscopic analysis and Judd-Ofelt modelling of Tm3+ -doped BaF2 crystals

    Optical Materials 169 (2026), 117689

  6. Irinuca Bodea, Marius Stef*, Carla Schornig, Gabriel Buse, Philippe Veber, Daniel Vizman - Spectroscopic properties of Tb3+ ions in TbF3 doped CaF2 crystals

    Materials 19(4) (2026), 801

  7. R. Capu, R. Thompson, C. W. Rischau, et al - Versatile Magneto-Dielectric Response of Epitaxial Thin Films of the High Entropy Oxide Perovskite Nd(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3

    Advanced Materials (2026), e72992

Patent applications submited
  1. Philippe Veber, Daniel Vizman, Maximilian Mangra, Ioan Sarbu, Maria Poienar, Gabriel Buse - Sistem automatizat de racire cu apa, cu recipiente metalice sub presiune configurate în serie sau în paralel, pentru instalatii termice de crestere de cristale artificiale

    Sent to OSIM, registration no: sa/00084 2026

  2. Philippe Veber, Maximilian Mangra, Gabriel Buse, Marius Stef, Maria Poienar, Daniel Vizman - Crystal growth installation for cubic rare earth sesquioxides and uses thereof

    Sent to OSIM

Conference attendences
  1. Twelfth International Conference of Radiation, Natural Sciences, Medicine, Engineering, Technology and Ecology (RAD), 17-21 June 2024, Herceg Novi, Montenegro
    • Marius Stef, Carla Schornig, Gabriel Buse - Optical and dielectric properties of BaF2:(Er,Yb) double-doped crystals (poster presentation)
  2. TIM 24 Physics Conference, 30th May - 1st June 2024, Timisoara, Romania
    • Dragos Tatomirescu, Alexandra Popescu and Daniel Vizman - Numerical modeling on the thermal processes influence on interface curvature in Bridgman solidification of BaF2 crystals (poster presentation)
    • Marius, Stef, Carla Schornig, Maria Poienar, Gabriel Buse, Daniel Vizman, Philippe Veber - Judd-Ofelt analysis of Tm3+ ions doped CaF2 crystals (poster presentation)
  3. 2nd International Conference on Laser, Plasma, and Radiation – Science and Technology (ICLPR-ST), 16-21 June 2024, Crisan, România.
    • Marius Stef, Gabriel Buse, Philippe Veber, Daniel Vizman - Growth and characterization of rare-earth doped fluorides crystals for UV applications (oral presentation)
  4. IBWAP 2024 – International Balkan Workshop on Applied Physics, 9-12 July 2024, Constanta, Romania
    • Maria Poienar, Gabriel Buse, Matthias Guttman, Philippe Veber, Marius Stef, Carla Zeicu-Schornig and Daniel Vizman - Structure-properties relationships in doped fluoride materials (oral presentation)
    • Gabriel Buse, Marius Stef, Carla Zeicu-Schornig, Maria Poienar and Philippe Veber - Study of dislocations in TmF3 doped fluoride crystals (oral presentation)
    • Carla Schornig, Marius Stef, Philippe Veber, Daniel Vizman and Gabriel Buse - Distribution of Tm3+ and Tm2+ ions in TmF3 doped CaF2 crystals (poster presentation)
    • Marius Stef, Carla Schornig, Philippe Veber, Gabriel Buse, Maria Poienar and Daniel Vizman - SPECTROSCOPIC PROPERTIES OF TmF3-DOPED CaF2 CRYSTALS (poster presentation)
  5. ECCG8 - The 8th European Conference on Crystal Growth, 21-25 July 2024, Warsaw, Poland
    • Maria Poienar, Philippe Veber, Marius Stef, Carla Schornig, Madalin Bunoiu, Vincent Motto-Ros, Frédéric Pelascini, Daniel Vizman and Gabriel Buse - Chemical analysis, crystal structure and optical properties of thulium-doped fluoride single crystals (poster presentation)
    • Gabriel Buse, Marius Stef, Daniel Vizman, Carla Schornig, Philippe Veber, Madalin Bunoiu, and Maria Poienar - Spectroscopic study of TmF3-doped CaF2 single crystals (poster presentation)
  6. International Workshop on Modeling in Crystal Growth, September 19-25th 2024, Timisoara, Romania
    • Alexandra Popescu, Dragos Tatomirescu and Daniel Vizman - Some particularities of unsteady thermal and oxygen transport in a Czochralski process for solar silicon growth (oral presentation)
  7. 10th International Conference on Materials Science and Condensed Matter Physics, 1-4 October, 2024, Chisinau, Moldova
    • M. Stef , C. Schornig, M. Poienar, G. Buse, D. Vizman, P. Veber - STUDY OF Tm3+ AND Tm2+ LUMINESCENCE IN TmF3 -DOPED CaF2 CRYSTALS (oral presentation)
  8. CRISTECH 2024, 16-18 November 2024, Angers, France
    • Gabriel BUSE, Marius STEF, Daniel VIZMAN, Carla SCHORNIG, Maria POIENAR and Philippe VEBER - Judd–Ofelt analysis and spectroscopic properties of TmF3-doped CaF2 single crystals (oral/poster presentation)
    • Maria Poienar, Gabriel Buse, Matthias Guttman, Daniel Vizman, Marius Stef, Carla Schorning and Philippe Veber - SYNTHESIS, MORPHOLOGICAL AND PHYSICAL PROPERTIES OF DOPED FLUORIDE MATERIALS (oral/poster presentation)
  9. International Symposium on Analytical and Environmental Problems (ISAEP), 7-8 Oct. 2024, Szeged, Hungary
    • Gabriel Buse, Maria Poienar, Marius Stef, Carla Zeicu, Daniel Vizman, Vincent Motto-Ros, Frédéric Pelascini and Philippe Veber - GROWTH OF TmF3 DOPED CaF2 CRYSTALS AND INVESTIGATIONS OF THEIR OPTICAL PROPERTIES (oral presentation)
  10. International Conference on Functional Materials For Nextgen Applications (ICFMNA-2025) - 3rd-4th February 2025, at SSN Chennai, India
    • Maria Poienar, Gabriel Buse, Philippe Veber, Matthias Guttman, Daniel Vizman, Marius Stef and Madalin Bunoiu - Influence of Rare-Earth doping on the morphology and crystal structure of fluoride MF2 (M=Ca, Ba) single crystals (oral presentation)
    • M. Stef, C. Schornig, M. Poienar, G. Buse, D. Vizman, M. Bunoiu, K. Venkatachalam and P. Veber - Growth and spectroscopic characterizatization of TmF3 -doped fluorite crystals (oral presentation)
    • G.Buse, M. Poienar, P. Veber, D. Vizman, M. Stef and M. Bunoiu - Double doped Rare-Earth (RE=Er and Yb) CaF2 and BaF2 single crystals: synthesis and investigations of physical properties (oral presentation)
  11. Indo-Romania Workshop on Crystal growth or Materials Science on 5th February 2025 at SSN Chennai, India
    • Maria Poienar, Gabriel Buse, Philippe Veber, Matthias Guttman, Daniel Vizman, Marius Stef and Madalin Bunoiu - Influence of Rare-Earth doping on the morphology and crystal structure of fluoride MF2 (M=Ca, Ba) single crystals (oral presentation)
    • M. Stef, C. Schornig, M. Poienar, G. Buse, D. Vizman, M. Bunoiu, K. Venkatachalam and P. Veber - Growth and spectroscopic characterizatization of TmF3 -doped fluorite crystals (oral presentation)
    • G.Buse, M. Poienar, P. Veber, D. Vizman, M. Stef and M. Bunoiu - Double doped Rare-Earth (RE=Er and Yb) CaF2 and BaF2 single crystals: synthesis and investigations of physical properties (oral presentation)
  12. 27th National Seminar on Crystal Growth and Applications-2025 (NSCGA-2025), February 7th-9th 2025, DAE-Convention Centre, Mumbai, India
    • Maria Poienar, Gabriel Buse, Daniel Vizman, Marius Stef and Madalin Bunoiu - Structure-Properties Relationships in ABO2 type materials (oral presentation)
    • M. Stef, C. Schornig, M. Poienar, G. Buse, D. Vizman, M. Bunoiu, K. Venkatachalam and P. Veber - Growth and spectroscopic characterizatization of TmF3 -doped fluorite crystals (oral presentation)
    • G.Buse, M. Poienar, P. Veber, D. Vizman, M. Stef and M. Bunoiu - Double doped Rare-Earth (RE=Er and Yb) CaF2 and BaF2 single crystals: synthesis and investigations of physical properties (oral presentation)
  13. International Session at the Annual Meeting of the Ceramic Society of Japan, 4-6 March 2025, Shizuoka, Japan
    • Gabriel Buse, Marius Stef, Irinuca Boldea, Carla Zeicu, Daniel Vizman, Vincent Motto-Ros, Frédéric Pelascini, Maria Poienar and Philippe Veber - Crystal Growth and Characterization of Rare Earth (Tm/Tb)-doped Calcium Fluoride (CaF2) Crystals (oral presentation)
  14. Thirteenth International Conference on Radiation, Natural Sciences, Medicine, Engineering, Techonology and Ecology (RAD), June 16-20, 2025, Herceg Novi, Montenegro
    • Marius Stef, Carla Schornig, Gabriel Buse, Philippe Veber, Maria Poienar, Daniel Vizman - Growth and characterization of TmF3 doped fluorite crystals (oral presentation)
  15. 9th European Division Congress for Laser Dentistry and 10th International Conference on Lasers in Medicine, Timisoara, Romania
    • M. Stef - Growth and characterization of some rare-earth doped fluorite crystals for laser applications (oral presentation)
  16. 23rd International Balkan Workshop on Applied Physics and Materials Science (IBWAP), 09-12 Iulie 2025, Constanta, Romania
    • C. Schornig, M. Stef, P. Veber, D. Vizman, M. Poienar and G Buse - X-Ray induced charge conversion of Tm ions in CaF2:TmF3 crystals
    • M. Stef, C. Schornig, P. Veber, G. Buse, M. Poienar, D. Vizman - 3 -doped fluorite crystals
    • G. Buse, M. Stef, C. Schornig, M. Poienar, P. Veber. - 26. Study of dislocations in TmF3 doped fluoride crystals
    • M. Poienar, G. Buse, M. Guttman, P. Veber, M. Stef, C. Schornig, D. Vizman. - Structure-properties relationships in doped fluoride materials
  17. 7th International Conference Materials, Methods & Technologies, Burgas, Bulgaria, 13 – 17 august 2025
    • C. Schornig, M. Stef, P. Veber, D. Vizman, M. Poienar and G Buse - X-Ray induced charge conversion of Tm ions in CaF2:TmF3 crystals
  18. 21st International Conference on Crystal Growth and Epitaxy (ICCGE-21), August 3-8, 2025, X’ian, China
    • M. Stef, C. Schornig, P. Veber, G. Buse, M. Poienar, D. Vizman - Optical and dielectric characterization of CaF2: TmF3 crystals grown by Bridgman technique
    • Gabriel Buse, Maria Poienar, Philippe Veber, Daniel Vizman, Carla Zeicu and Marius Stef - Optical properties of TmF3–doped CaF2 and BaF2 X-ray irradiated crystals
  19. The 16th International Conference on Information Optics and Photonics (CIOP 2025), August 10-14, 2025, X’ian, China
    • M. Stef, C. Schornig, P. Veber, G. Buse, M. Poienar, D. Vizman - Growth and characterization of rare-earth doped fluorite crystals for scintillators (oral presentation)
    • Gabriel Buse, Maria Poienar, Philippe Veber, Daniel Vizman, Carla Zeicu and Marius Stef - Optical properties of TmF3 –doped CaF2 and BaF2 X-ray irradiated crystals (oral presentation)
    • Philippe Veber, G. Buse, C. Schornig, M. Stef, M. Poienar, D. Tatomirescu, A. Popescu, J. Debray, V. Motto-Ros, F. Pelascini and D. Vizman - Mixed valence (+II/+III) of Tm cations in CaF2 single crystal grown by the Bridgman-Stockbarger technique (oral presentation)
  20. 31st International Symposium on Analytical and Environmental Problems, Szeged, 12-13 October 2025, Hungary
    • Gabriel Buse, Maria Poienar, Philippe Veber, Daniel Vizman, Carla Zeicu and Marius Stef - INFLUENCE OF X-RAY IRRADIATION ON SPECTRCOSCOPIC PROPERTIES OF TmF3 –DOPED FLUORIDE (CaF2 AND BaF2) CRYSTALS (oral presentation)
    • Gabriel Buse, Maria Poienar, Marius Stef, Irinuca Boldea, Carla Zeicu, Daniel Vizman, J. Debray, Vincent Motto-Ros, Frédéric Pelascini, Matthias Gutmann and Philippe Veber - Crystal Growth and Characterization of Tm and Tb-doped CaF2 Crystals for Laser Applications (oral presentation)
    • Maria Poienar, Gabriel Buse, Matthias Gutmann, Marius Stef, Carla Zeicu, Philippe Veber, Daniel Vizman - CORRELATIONS BETWEEN STRUCTURE AND PROPERTIES IN RARE EARTH DOPED FLUORIDE MATERIALS (oral presentation)
  21. Advances-in-3om-conference-2025, 8-11 December, Timisoara, Romania
    • Marius Stef, Gabriel Buse, Maria Poienar, Philippe Veber, Daniel Vizman - Rare-earth doped fluorides crystals for UV applications (oral presentation)