The Effect of Laser Shots on Morphological and Optical Properties of Copper Oxide NPs Prepared by Nd-Yag Laser of 1064 nm Wavelengths in Distilled Water
The Effect of Laser Shots on Morphological and Optical Properties of Copper Oxide NPs Prepared by Nd-Yag Laser of 1064 nm Wavelengths in Distilled Water

Mahmood M Kareem

Volume 3, Issue 2 , September 2021, , Pages 200-206

https://doi.org/doi:10.24271/psr.33

Abstract
  This study examines the synthesis of copper oxide nanoparticles (NPs) by using a Q-Switched Nd-Yag (1064 nm) laser on copper foil immersed in Distilled Water (DW). The solution color ...  Read More
A Comparison of Supermassive Black Hole Mass of NGC 4151 Using Different Methods
A Comparison of Supermassive Black Hole Mass of NGC 4151 Using Different Methods

Ismaeel A. Al-Baidhany; Sami Salman Chiad; Mahmood M. Kareem; Wasmaa A. Jabbar; Tahseen H. Mubarak; Nadir Fadhil Habubi; Ehssan S. Hassan; Mohamed Odda Dawood; Oday Mazin Abdulmunem

Volume 2, Issue 1 , March 2020, , Pages 22-26

https://doi.org/10.24271/psr.06

Abstract
  We found a new value of supermassive black hole (SMBH) mass in the middle of type 1 Seyfert, NGC 4151 galaxy. In this Study, the image of NGC 4151 galaxy was deprojected to face-on, ...  Read More