Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Roxana Patru"'
Autor:
Mihaela Botea, Ioana Pintilie, Vasile-Adrian Surdu, Cătălina-Andreea Stanciu, Roxana-Doina Truşcă, Bogdan Ştefan Vasile, Roxana Patru, Adelina-Carmen Ianculescu, Lucian Pintilie
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 2085-2103 (2021)
Graded structures with different architectures were obtained by spark plasma sintering from (Ba1-xSrx)TiO3 (BST, x = 0.10; 0.20; 0.30) powders. The presence of the composition gradient was confirmed by structural and compositional investigations usin
Externí odkaz:
https://doaj.org/article/0209e6ea09454f92a96bd195509b05bb
Autor:
Mihaela Botea, Ioana Pintilie, Vasile-Adrian Surdu, Cătălina-Andreea Stanciu, Roxana-Doina Truşcă, Bogdan Ştefan Vasile, Roxana Patru, Mircea Udrea, Adelina-Carmen Ianculescu, Lucian Pintilie
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss , Pp 1323- (2021)
Externí odkaz:
https://doaj.org/article/866fcbb522a64bd8ba1543b7bf18b2ff
Autor:
Andra Georgia Boni, Roxana Patru, Lucian D. Filip, Cristina Chirila, Iuliana Pasuk, Ioana Pintilie, Lucian Pintilie
Publikováno v:
ACS Applied Energy Materials. 5:3307-3318
Autor:
Nicolae Filipoiu, Amanda Teodora Preda, Dragos-Victor Anghel, Roxana Patru, Rachel Elizabeth Brophy, Movaffaq Kateb, Cristina Besleaga, Andrei Gabriel Tomulescu, Ioana Pintilie, Andrei Manolescu, George Alexandru Nemnes
Dynamic hysteresis effects have been long known to occur in the J-V characteristics of perovskite solar cells (PSCs), with the ionic migration being identified as the primary factor. The hysteretic effects impacted early studies by the uncertainty in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7c20c354048e23cb7fd854576f33162
http://arxiv.org/abs/2208.10199
http://arxiv.org/abs/2208.10199
Autor:
Vasile-Adrian Surdu, R. Trusca, Adelina-Carmen Ianculescu, Ioana Pintilie, Roxana Patru, Catalina-Andreea Stanciu, Bogdan Stefan Vasile, Mihaela Botea, Lucian Pintilie
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss, Pp 2085-2103 (2021)
Graded structures with different architectures were obtained by spark plasma sintering from (Ba1-xSrx)TiO3 (BST, x = 0.10; 0.20; 0.30) powders. The presence of the composition gradient was confirmed by structural and compositional investigations usin
Autor:
Vasile-Adrian Surdu, Adelina-Carmen Ianculescu, Constantin Paul Ganea, Ioana Pintilie, Lucian Pintilie, Catalina-Andreea Stanciu, Roxana Trusca, Roxana Patru
Publikováno v:
Ceramics International. 46:4180-4190
Single-phase Ba1-xSrxTiO3 (BST) perovskite ceramics with 0.3 ≤ x ≤ 0.4 were prepared from powders synthesized via sol-gel route. The compositions have the ferroelectric-paraelectric phase transition close to room temperature. At 20 °C the BST ce
Autor:
Mircea Udrea, Lucian Pintilie, Bogdan Stefan Vasile, Adelina-Carmen Ianculescu, Vasile-Adrian Surdu, Ioana Pintilie, Mihaela Botea, Catalina-Andreea Stanciu, Roxana Patru, R. Trusca
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss, Pp 1323-(2021)
Autor:
Lucian Pintilie, Constantin-Paul Ganea, Lucian Trupina, Mihaela Botea, Iuliana Pasuk, Ioana Pintilie, H. Khassaf, Roxana Patru
Publikováno v:
Materials
Volume 14
Issue 15
Materials, Vol 14, Iss 4215, p 4215 (2021)
Volume 14
Issue 15
Materials, Vol 14, Iss 4215, p 4215 (2021)
The frequency and temperature dependence of dielectric properties of CH3NH3PbI3 (MAPI) crystals have been studied and analyzed in connection with temperature-dependent structural studies. The obtained results bring arguments for the existence of ferr