Zobrazeno 1 - 10
of 322
pro vyhledávání: '"Maria DINESCU"'
Autor:
Florin Andrei, Maria Dinescu, Valentin Ion, Floriana Craciun, Ruxandra Birjega, Nicu Doinel Scarisoreanu
Publikováno v:
Crystals, Vol 13, Iss 12, p 1686 (2023)
The strain engineering effects induced by different means, e.g., the substrate lattice mismatch and/or chemical doping, on the functional properties of perovskite thin films have triggered interest in the use of these materials in different applicati
Externí odkaz:
https://doaj.org/article/082425603af246e1b47bc69a6ebaaf5d
Autor:
Francesco Cordero, Floriana Craciun, Patrizia Imperatori, Venanzio Raglione, Gloria Zanotti, Antoniu Moldovan, Maria Dinescu
Publikováno v:
Materials, Vol 16, Iss 23, p 7323 (2023)
We measured the anelastic, dielectric and structural properties of the metal-free molecular perovskite (ABX3) (MDABCO)(NH4)I3, which has already been demonstrated to become ferroelectric below TC= 448 K. Both the dielectric permittivity measured in a
Externí odkaz:
https://doaj.org/article/a5497b1e5ee34ab38887744d0b50f6f3
Autor:
Francesco Cordero, Floriana Craciun, Francesco Trequattrini, Simona Ionita, Daniel Lincu, Raul-Augustin Mitran, Victor Fruth, Simona Brajnicov, Antoniu Moldovan, Maria Dinescu
Publikováno v:
Crystals, Vol 13, Iss 3, p 409 (2023)
We present dielectric and anelastic spectroscopy measurements of the molecular piezoelectric TMCM-MnCl3 and TMCM-Mn0.95M0.05Cl3 (M = Cu, Fe, Ni; TMCM = trimethylchlorometylammonium), whose powders were pressed into discs and bars and deposited as fil
Externí odkaz:
https://doaj.org/article/7480a8780f45423abd0f2d7be498f56b
Autor:
Cristina Craciun, Florin Andrei, Anca Bonciu, Simona Brajnicov, Tatiana Tozar, Mihaela Filipescu, Alexandra Palla-Papavlu, Maria Dinescu
Publikováno v:
Nanomaterials, Vol 12, Iss 7, p 1138 (2022)
This work is focused on the application of a laser-based technique, i.e., matrix-assisted pulsed laser evaporation (MAPLE) for the development of electrochemical sensors aimed at the detection of nitrites in water. Commercial carbon-based screen-prin
Externí odkaz:
https://doaj.org/article/03400f83396f4c93bcddf38015aa5ab4
Autor:
Agata Niemczyk, Simona Brajnicov, Veronica Satulu, Jolanta Baranowska, Bogdana Mitu, Maria Dinescu
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 21, p 11686 (2021)
A series of coatings from poly(ethylene-co-vinyl acetate) (EVA) were obtained using the matrix-assisted pulsed laser evaporation (MAPLE) technique. By changing the process parameters, i.e., laser fluence and EVA co-polymer concentration in the target
Externí odkaz:
https://doaj.org/article/d433977886064866aac6ad9ac47406ca
Publikováno v:
Chemosensors, Vol 9, Iss 5, p 105 (2021)
Since their development, surface acoustic wave (SAW) devices have attracted much research attention due to their unique functional characteristics, which make them appropriate for the detection of chemical species. The scientific community has direct
Externí odkaz:
https://doaj.org/article/e2a1baca649847b19a5e0dfc5cd17ca5
Autor:
Florin Andrei, Valentin Ion, Ruxandra Bîrjega, Maria Dinescu, Nicoleta Enea, Dan Pantelica, Maria Diana Mihai, Valentin-Adrian Maraloiu, Valentin Serban Teodorescu, Ioan-Cezar Marcu, Nicu Doinel Scarisoreanu
Publikováno v:
Nanomaterials, Vol 11, Iss 6, p 1371 (2021)
Tuning the intrinsic structural and stoichiometric properties by different means is used for increasing the green energy production efficiency of complex oxide materials. Here, we report on the formation of self-assembled nanodomains and their effect
Externí odkaz:
https://doaj.org/article/bb649cae3bc54ccbb8173600ee6afc02
Autor:
Irina A. Paun, Bogdan S. Calin, Cosmin C. Mustaciosu, Eugenia Tanasa, Antoniu Moldovan, Agata Niemczyk, Maria Dinescu
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 11, p 5653 (2021)
We report the design and fabrication by laser direct writing via two photons polymerization of innovative hierarchical structures with cell-repellency capability. The structures were designed in the shape of “mushrooms”, consisting of an undersid
Externí odkaz:
https://doaj.org/article/16c785e3bf4745ebb316b72bbeeb8bd5
Autor:
Florin Andrei, Andreea Andrei, Ruxandra Birjega, Eduard Nicolae Sirjita, Alina Irina Radu, Maria Dinescu, Valentin Ion, Valentin-Adrian Maraloiu, Valentin Şerban Teodorescu, Nicu Doinel Scarisoreanu
Publikováno v:
Nanomaterials, Vol 11, Iss 1, p 110 (2021)
Due to its physical and chemical properties, the n-type tungsten oxide (WO3) semiconductor is a suitable photoanode for water decomposition reaction. The responses of the photoelectrochemical PEC water-splitting properties as an effect of structural
Externí odkaz:
https://doaj.org/article/98cbdaafefc947919944cf179b1f3065
Autor:
Ruxandra Birjega, Andreea Matei, Valentina Marascu, Angela Vlad, Maria Daniela Ionita, Maria Dinescu, Rodica Zăvoianu, Mihai Cosmin Corobea
Publikováno v:
Molecules, Vol 25, Iss 18, p 4097 (2020)
We report on the investigation of stearic acid-layered double hydroxide (LDH) composite films, with controlled wettability capabilities, deposited by a combined pulsed laser deposition (PLD)-matrix-assisted pulsed laser evaporation (MAPLE) system. Tw
Externí odkaz:
https://doaj.org/article/42d3a044428c491a8808740ae7407614