Výsledky vyhledávání - "M. C. Istrate"

Wake-up Free Ferroelectric Rhombohedral Phase in Epitaxially Strained ZrO2 Thin Films

Autor: F. Figueiras, Andrei L. Kholkin, Sangita Dutta, Hugo Aramberri, José Silva, Koppole C. Sekhar, Jorge Íñiguez, M. C. Istrate, Corneliu Ghica, Raluca Negrea

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

Zirconia- and hafnia-based thin films have attracted tremendous attention in the past decade because of their unexpected ferroelectric behavior at the nanoscale, which enables the downscaling of ferroelectric devices. The present work reports an unpr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52e5968024493ef6aba62450e2229bc6
https://doi.org/10.1021/acsami.1c15875

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Energy storage performance of ferroelectric ZrO2 film capacitors: effect of HfO2:Al2O3 dielectric insert layer

Autor: Mário Pereira, Koppole C. Sekhar, Haribabu Palneedi, João Monteiro Silva, José Silva, M. C. Istrate, Corneliu Ghica, M. J. M. Gomes, Adil Chahboun, Raluca Negrea

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The present work reports for the first time, the employment of ferroelectric ZrO2 films as energy storage capacitors utilized in pulsed power systems. Furthermore, the effect of insertion of a low permittivity dielectric HfO2:Al2O3 (HAO) layer, with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe1b206cd3207401d1e91bf58c8a6e58
https://doi.org/10.1039/d0ta04984k

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Perovskite ferroelectric thin film as an efficient interface to enhance the photovoltaic characteristics of Si/SnOx heterojunctions

Autor: João Monteiro Silva, Corneliu Ghica, Koppole C. Sekhar, K. Gwozdz, E. M. F. Vieira, Luís Gonçalves, M. C. Istrate, Katerina Veltruska, Vladimír Matolín, Adil Chahboun, Mário Pereira, F. Figueiras, Andrei L. Kholkin, José Silva

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP

The photovoltaic (PV) response of SnOx/Si heterojunctions (HJs) through the change of the SnO and SnO2 ratio in the samples that allows us to obtain p- or n-type SnOx films is investigated in this work. The values of short-circuit photocurrent densit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d73e6351d211ddb8edcc0e0481d69b1d
https://doi.org/10.1039/d0ta02198a

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Structure and water uptake in BaLnCo2O6−δ (Ln =La, Pr, Nd, Sm, Gd, Tb and Dy)

Autor: María Balaguer, Truls Norby, Ragnar Strandbakke, José M. Serra, Corneliu Ghica, Anette Eleonora Gunnæs, Aleksandra Mielewczyk–Gryń, M. C. Istrate, Sebastian Wachowski, Maria Gazda, Magnus H. Sørby, Iga Szpunar

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Acta Materialia

[EN] The structure of BaLnCo(2)O(6-delta) (Ln =La, Pr, Nd, Sm, Gd, Tb and Dy) was studied by the means of synchrotron radiation powder X-ray diffraction, neutron powder diffraction and Transmission Electron Microscopy (TEM), while water uptake proper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18f6fee1198799a27faf8f2ef1021467
http://hdl.handle.net/10261/226393

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