Zobrazeno 1 - 10
of 330
pro vyhledávání: '"Catalin POPESCU"'
Autor:
Daniel Errandonea, Robin Turnbull, Josu Sánchez-Martín, Robert Oliva, Alfonso Muñoz, Silvana Radescu, Andres Mujica, Lewis Blackburn, Neil C. Hyatt, Catalin Popescu, Jordi Ibáñez-Insa
Publikováno v:
Results in Physics, Vol 61, Iss , Pp 107704- (2024)
We present a comparative study of the high-pressure behaviours of the nuclear waste immobilisation materials zirconolite-2M, −4M, –3O, and −3T. The materials are studied under high-pressure conditions using synchrotron powder X-ray diffraction.
Externí odkaz:
https://doaj.org/article/3a08494173ba40d683542b454d0bebba
Publikováno v:
Agronomy, Vol 14, Iss 7, p 1459 (2024)
In the context of sustainability, the integration of renewable energy into industrial processes not only minimizes dependence on fossil fuels but also contributes to the efficient management of industrial waste. By transforming organic waste, includi
Externí odkaz:
https://doaj.org/article/8fd15c7cce0742f59c496cc1b7261593
Publikováno v:
FinTech, Vol 2, Iss 3, Pp 527-542 (2023)
This study presents a comprehensive bibliometric analysis of research on financial technology (FinTech) as a methodology. The aim is to unveil the research landscape, trends, and influential factors within this rapidly evolving field. By examining pu
Externí odkaz:
https://doaj.org/article/a196e6965dae4730ba871425a3ec438f
Autor:
João E. F. S. Rodrigues, Emin Mijit, Angelika D. Rosa, Laura Silenzi, Nodoka Hara, Catalin Popescu, José A. Alonso, Tetsuo Irifune, Zhiwei Hu, Andrea Di Cicco
Publikováno v:
Crystals, Vol 14, Iss 7, p 578 (2024)
NbAs is a Weyl semimetal and belongs to the group of topological phases that exhibit distinct quantum and topological attributes. Topological phases have a fundamentally different response to external perturbations, such as magnetic fields. To obtain
Externí odkaz:
https://doaj.org/article/ec9e4f32ad10474690dcb12838c717ef
Autor:
André Luis de Jesus Pereira, Juan Ángel Sans, Óscar Gomis, David Santamaría-Pérez, Sudeshna Ray, Armstrong Godoy, Argemiro Soares da Silva-Sobrinho, Plácida Rodríguez-Hernández, Alfonso Muñoz, Catalin Popescu, Francisco Javier Manjón
Publikováno v:
Nanomaterials, Vol 14, Iss 8, p 721 (2024)
We report a joint high-pressure experimental and theoretical study of the structural, vibrational, and photoluminescent properties of pure and Eu3+-doped cubic Y2O3 nanoparticles with two very different average particle sizes. We compare the results
Externí odkaz:
https://doaj.org/article/327eb07b78644113a75b3d990edaf3f6
Autor:
Catalin Popescu, Simona Andreea Apostu, Irina Gabriela Rădulescu, Jianu Daniel Mureșan, Alina Gabriela Brezoi
Publikováno v:
Energies, Vol 17, Iss 3, p 675 (2024)
Today’s energy challenges are multifaceted. Over the past 30–40 years, energy issues have been discussed and published on an extensive scale. The green transition involves concrete actions related to increasing energy efficiency, replacing fossil
Externí odkaz:
https://doaj.org/article/e8c34827e7e64f39af9f417338ae1d0e
Autor:
Robin Turnbull, Javier González-Platas, Akun Liang, Dequan Jiang, Yonggang Wang, Catalin Popescu, Plácida Rodríguez-Hernández, Alfonso Muñoz, Jordi Ibáñez, Daniel Errandonea
Publikováno v:
Results in Physics, Vol 44, Iss , Pp 106156- (2023)
We report a combined experimental/theoretical high-pressure study of Na3Bi(IO3)6 under compression to 11.2 GPa at ambient temperature. Through a combination of single-crystal and powder synchrotron X-ray diffraction, optical absorption measurements a
Externí odkaz:
https://doaj.org/article/cea09062b8a345969c4b1a30ed0e22c7
Autor:
Jaume Meseguer-Sánchez, Catalin Popescu, José Luis García-Muñoz, Hubertus Luetkens, Grigol Taniashvili, Efrén Navarro-Moratalla, Zurab Guguchia, Elton J. G. Santos
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-7 (2021)
CrI3 is a popular van der Waals magnet that exhibits anomalous magnetic properties between bulk and thin layers due to different crystal symmetry. Here, the authors report the coexistence of different magnetostructural phases over the entire range of
Externí odkaz:
https://doaj.org/article/c2aa94c7cfb148f099bceb8a8ac3412d
Publikováno v:
Applied System Innovation, Vol 6, Iss 5, p 75 (2023)
Change and innovation are increasingly exerting a significant influence on the daily activities of companies. To ensure optimal control, innovative solutions are employed that are encapsulated in the concept of change management. In the engineering c
Externí odkaz:
https://doaj.org/article/9a9c34bcbe36493d9521415b8eb3df86
Publikováno v:
Energies, Vol 16, Iss 14, p 5484 (2023)
In these last decades, especially after the Russia–Ukraine war, the impact of energy related to issues, such as energy poverty, energy transition, and energy security have been heavily debated. To comprehend the conceptual development of this subje
Externí odkaz:
https://doaj.org/article/f1dbd6cd782c42c29d8ba84f0661a6f6