stage2

Stage II-2016

Synthesis and characterization of crednerite Cu1+xMn1-xO2 (x=0-0.08) and CuMn1-xBxO2 substituted with nonmagnetic ions (B=Al, Mg, x=0 - 0.10).

2.1. Synthesis of crednerite Cu1+xMn1-xO2(x=0-0.08) and CuMn1-xBxO2 (B=Al, Mg, x=0 - 0.10) by hydrothermal method at low temperature and pressure and by solid state reaction in controlled atmosphere.

2.2. Structural characterisations of obtained materials by X-Ray diffraction (XRD), scanning electron microscopy (SEM-EDX), transmission electron microscopy (TEM) and thermal analysis (TG).

2.3. Study of optical, electrical and magnetic properties of polycrystalline samples.

Dissemination of results:

International Conferences

Study of crednerite CuMnO2type materials: hydrothermal synthesis, structural and magnetic properties M. Poienar, P. Sfirloaga and P. Vlazan - TIM 15-16 Physics Conference, 26 - 28 mai 2016, Timisoara, Romania.

Structural and magnetic properties of crednerite Cu1+xMn1-xO2(x=0-0.08), M. Poienar, P. Sfirloaga, P. Vlazan - 13thInternational Conference on Nanosciences & Nanotechnologies (NN16) 5-8 July 2016, Thessaloniki, Greece

Investigation on thermal behavior of crednerite type Cu1+xMn1-xO2 (x=0-0.08) materials obtained by hydrothermal method, M. Poienar, P. Sfirloaga, P. Vlazan - 11th International seminar on thermal analysis and calorimetry to the memory of Prof. St. Bretsznajder, Plock, 26-29 September 2016, Poland

Characterization of Physico-chemical and Thermal Properties of CuMn1-xBxO2 B=Al, Mg; x=0 -0.08), M. Poienar, P. Vlazan, P. Sfirloaga, 11th International seminar on thermal analysis and calorimetry to the memory of Prof. St. Bretsznajder, Plock, 26-29 September 2016, Poland.

Substitution effect on the physico-chemical properties in crednerite CuMnO2 type materials, Maria Poienar, Paula Sfirloaga, Paulina Vlazan - International Symposium on Analytical and Environmental Problems, 10 October 2016, Szeged, Hungary.

Articles:

Mixed valence transition metal 2D-oxides: Comparison between delafossite and crednerite compounds, Christine Martin and M. Poienar, accepted in Journalof Crystal Growth, december 2016. IF=1.462.

Chapter/Book:

Quelques exemples d’oxydes de métaux de transition à valence mixte; C. Martin et M. Poienar, Récents Progrès en Génie des Procédés, Numéro 108 - 2016, ISSN: 1775-335X ; ISBN: 978-2-910239-83-1, Ed. SFGP, Paris, France.