Zobrazeno 1 - 10
of 2 029
pro vyhledávání: '"hydrogen plasma"'
Autor:
Vladimir Vysotskii, Mykhaylo Vysotskyy
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
This paper examines the characteristics of nuclear reactions occurring in low-temperature magnetized deuterium plasma. It is demonstrated that considering the ionization-recombination dynamics of deuterium atoms in this plasma allows for the potentia
Externí odkaz:
https://doaj.org/article/f14659a93640473a98c0937fd834df2f
Autor:
Zulfiadi Zulhan, Baihaqi Hakim, Yopi Hendrawan, Taufiq Hidayat, Eky Febrian Hermansyah, Achmad Haerul Yusro, Alfian Luhur Pambudi
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5346-5355 (2024)
The processing of limonite-type lateritic nickel ore through sulfuric acid leaching generates leaching residue that requires careful handling and treatment. This residue, which contains over 38% iron, has the potential to be an alternative raw materi
Externí odkaz:
https://doaj.org/article/9c301496266d4a43b1a00bdb9cdd6702
Autor:
Maria Cristina Yukiko Nakayama, Estefano Aparecido Vieira, Ramiro Conceição Nascimento, Adonias Ribeiro Franco Júnior, Jaime Alberto Sanchez Caceres
Publikováno v:
Materials Research, Vol 27 (2024)
The reduction of cobalt oxide (Co3O4) powders was studied using hydrogen plasma (HP) and hydrogen gas at low temperatures. The reduction experiments were performed in a pulsed plasma reactor at 540 V, 532 Pa, under atmospheres of 100% hydrogen at a f
Externí odkaz:
https://doaj.org/article/2bd03e6591d046978a6336fb8412ee9e
Autor:
Iraldo Sá Silveira, Estéfano Aparecido Vieira, Ramiro Conceição Nascimento, Adonias Ribeiro Franco Júnior, Jaime Alberto Sanchez Caceres
Publikováno v:
Materials Research, Vol 27 (2024)
The reduction kinetics of hematite (Fe2O3) powders was studied using nonequilibrium hydrogen plasma as reducing agent. Reduction experiments were performed in a DC pulsed plasma reactor, hydrogen flow-rate of 300 cm3/min, at pressure of 400 Pa, reduc
Externí odkaz:
https://doaj.org/article/568cc5d99c0745a2bbd5d7b9fbc3e648
Autor:
Fan Li, Shiqiang Wu, Ang Li, Yuhao Zhu, Miao Cui, Jiangmin Gu, Ping Zhang, Yinchao Zhao, Huiqing Wen, Wen Liu
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 12, Pp 457-463 (2024)
This study demonstrates the first work that achieves accurate modeling of Hydrogen plasmatreated (H-treated) p-GaN gate devices with the ASM-GaN model, facilitating simulations for applications in monolithic integrated circuit (IC) design. The workfl
Externí odkaz:
https://doaj.org/article/4bef0561b2914d218ada4b5452e27080
Autor:
Veronica Satulu, Mihai Paunica, Simona Brajnicov, Sorin Vizireanu, Gheorghe Dinescu, Bogdana Mitu, Cristian Viespe
Publikováno v:
Chemosensors, Vol 12, Iss 9, p 194 (2024)
The high toxicity of hydrogen sulfide combined with poor sensitivity at room operating temperature urge for the development of new sensitive materials for sensors complying with this requirement, as well as a fast response and low cost. In this work,
Externí odkaz:
https://doaj.org/article/4067505b88e64d609ac0f8013cd13f50
Autor:
Armstrong Godoy-Junior, André Pereira, Barbara Damasceno, Isabela Horta, Marcilene Gomes, Douglas Leite, Walter Miyakawa, Maurício Baldan, Marcos Massi, Rodrigo Pessoa, Argemiro da Silva Sobrinho
Publikováno v:
Plasma, Vol 6, Iss 2, Pp 362-378 (2023)
In this study, we report the use of a radiofrequency plasma-assisted chemical vapor deposition (RF-CVD) system with a hollow cathode geometry to hydrogenate anatase TiO2 thin films. The goal was to create black TiO2 films with improved light absorpti
Externí odkaz:
https://doaj.org/article/5c250ce45f02440eab1a1abccb0d2025
Autor:
Yu Li, Junhua Hou, Varun Shah, Yuhe Huang, Johannes A.W. van Dommelen, Wenjun Lu, Qiang Zhu, Thomas W. Morgan
Publikováno v:
Nuclear Materials and Energy, Vol 37, Iss , Pp 101544- (2023)
Facing extreme plasma loads, the structural integrity of the tungsten divertor is crucial for ITER, an engineering marvel in nuclear fusion reactors, to achieve its fusion performance targets. Induced by repeated transient heating from plasmas, the t
Externí odkaz:
https://doaj.org/article/9edc38f977f8442ba416d2f2d3cc61af
Publikováno v:
Green Processing and Synthesis, Vol 12, Iss 1, Pp 303-18 (2023)
The micron-scale diamond film was prepared using hydrogen and methane as the mixed gas supplies via self-developed 3 kW/2,450 MHz microwave plasma chemical vapor deposition (MPCVD) equipment. On this basis, the evolution of the surface morphology, hy
Externí odkaz:
https://doaj.org/article/b5def38215f942cc84a8211ba4a294f1
Autor:
Tiago Bristt Gonoring, Adonias Ribeiro Franco, Jr., Estéfano Aparecido Vieira, Ramiro Conceição Nascimento
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 2173-2187 (2022)
This study deals with the reduction of hematite fines by cold hydrogen plasma in the temperature range of 360–450 °C. It aims to examine the rate-controlling processes of fine hematite reduction by hydrogen plasma. The gaseous reduction was also p
Externí odkaz:
https://doaj.org/article/d5fc6c8fbc194909b56e23abaa2fab5e