Nanotechnology
The Effect of Current Density on the Properties of Porous Silicon Gas Sensor for Ethanol and Methanol Vapour Detection

Muna H. Kareem; Adi M.; Haitham T. Hussein

Volume 1, Issue 4 , December 2021, , Page 52-60

https://doi.org/10.53293/jasn.2021.3834.1048

Abstract
  In this paper, Gas sensors for ethanol and methanol were created utilizing porous silicon (PSi).n-type silicon was employed for all PSi samples, photo-electrochemical etching technique (PECE) was used to prepare porous surface. The intensity of the three etchings current densities was 12, 24 and 30 mA ...  Read More ...

Applied Physics
Study of Biological Activities of Magnetic Iron Oxide Nanoparticles Prepared by Co-Precipitation Method

Rania Huseen; Ali Taha; Oday Abdulhusein

Volume 1, Issue 2 , June 2021, , Page 37-48

https://doi.org/10.53293/jasn.2021.11635

Abstract
  Iron oxides are the most common types of substances available in nature in various forms such as oxides, hydroxides and oxide-hydroxides, which obtained from various aqueous reactions. In the present study, iron oxide (Fe3O4) nanoparticles (NPs) had been synthesized using co - precipitation method and ...  Read More ...