Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Uday Nayef"'
Publikováno v:
Journal of Applied Sciences and Nanotechnology, Vol 4, Iss 1, Pp 9-18 (2024)
This investigation analyzes the impact of a laser pulse energy set at 700 millijoules per pulse on silver, gold, and silver@gold nanoparticles deposited onto porous silicon (PS). Our primary objective is to discern optimal conditions by comprehensive
Externí odkaz:
https://doaj.org/article/7b6c4a14a2df4b5d87adeaf9b71344f8
Publikováno v:
Journal of Applied Sciences and Nanotechnology, Vol 2, Iss 3, Pp 147-156 (2022)
In this study, Au:TiO2 nanoparticles (NPs) are prepared by using the laser ablation method in liquid at different laser energies (600, 800, and1000 mJ). After that, Au: TiO2 NPs were deposited on porous-Si(PS). Porous silicon (PS) is synthesized by u
Externí odkaz:
https://doaj.org/article/1cd69d85d8e44d4e94dffe3d99e8059f
Publikováno v:
Journal of Applied Sciences and Nanotechnology, Vol 2, Iss 2, Pp 64-69 (2022)
Photoelectrochemical etching (PECE) was used to prepare porous silicon (PS) layers of polished surfaces of (100) n-type silicon wafers with a resistance of 0.1-100 μm and thickness of 600 ± 25 μm. The directed slices are to be catalyzed at differe
Externí odkaz:
https://doaj.org/article/2e5997dbf9084f298c77f5eef8029743
Publikováno v:
Engineering and Technology Journal, Vol 40, Iss 4, Pp 555-562 (2022)
In the present study, the layers of porous Silicon (PS) have been produced from the p-type Silicon with a (100) orientation using the approach of electrochemical etching. The samples were anodized in a solution of HF concentration 18% and 99% C2H2OH.
Externí odkaz:
https://doaj.org/article/88144f3f6f1546298896139c610be244
Autor:
Uday Nayef
Publikováno v:
Engineering and Technology Journal, Vol 25, Iss 5, Pp 690-695 (2007)
Electrical properties of p-PbSe/p-Si heterojunction detector have beeninvestigated. The electrical properties under dark condition show a rectifyingbehaviour with low rectification factor, and exhibits soft breakdown reversecurrent.C-V characteristic
Externí odkaz:
https://doaj.org/article/af7c8901439d4ce3be66d9350c5f3316
Autor:
Uday Nayef
Publikováno v:
Engineering and Technology Journal, Vol 25, Iss 5, Pp 696-701 (2007)
The optoelectronic properties of (Al/c-Si) and sandwich structure type(Al/PS/c-Si/Al) were reported. The nanostructure porous silicon is obtained byphotochemical etching without applying electric field. The photosensitivity of(Al/PS/c-Si/Al) structur
Externí odkaz:
https://doaj.org/article/6aeb705d8f924fcb985d970ad08368af
Publikováno v:
Engineering and Technology Journal, Vol 24, Iss 4, Pp 352-360 (2005)
Abstract The aim of this project is to limit the pollutants Gelbstoff in Diyala River and its effect on Raman spectrum by using fluorescence and Raman technique . Many samples of river water were taken from different areas starting from Abu- Seda , A
Externí odkaz:
https://doaj.org/article/93d8a334fc014f90a810393b0bbc7c9c
Autor:
Uday Nayef
Publikováno v:
Engineering and Technology Journal, Vol 24, Iss 1, Pp 21-24 (2005)
Abstract Electrical and optoelectronic properties of p - PbSe / n - Si heterojunction detector have been investigated . The electrical properties under dark condition show a rectifying behaviour with low rectification factor , and exhibits soft break
Externí odkaz:
https://doaj.org/article/22576cc2524e413e950df3ef233eb755
This work focuses on photodetector Au:MgO nano-particles (NPs) have been prepared by laser ablation at various laser energies then deposited on porous-Si (PS). PS are produced with the use of the photo-electrochemical etching (PECE) approach for n-ty
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7438a9402a4899fa8470c8044a77133d
https://doi.org/10.21203/rs.3.rs-1919114/v1
https://doi.org/10.21203/rs.3.rs-1919114/v1
Autor:
Salim, Hussein Ali, Kadhum, Ali A., Ali, Abbas Fadhil, Saleh, Uday Nayef, Jassim, Nassif Hameed, Hamad, Ali Rahim, Attia, Jamal Abdulrahman, Darwish, Jamal Jumaa, Hassan, Abdulhafid Falih
Publikováno v:
Systematic Reviews in Pharmacy; 2021, Vol. 12 Issue 3, p969-975, 7p