In this study, firstly electrochemical etching of the (n and p) type silicon wafers are used to prepare of (n and p) type of porous silicon with a current density of 10 mA.cm-2 at 10 minutes. The structural and morphological ...

Abstract Perovskite and Multijunction solar cells are a third generation type of solar cells. Their working principle is based on the conversion of sunlight into electrical energy. In this study, firstly three types ...

Nanoparticles of Mn1-xZnxFe2O4 have been prepared by co-precipitation method and followed by heat treatment in hydrothermal autoclave reactor; where x varied from 0 to 0.5, with amount of change 0.1 in every experiment. XRD ...

Abstract The objective of this thesis was to synthesis and studying the structural, electrical and magnetic properties of magnesium and chromium substituted cobalt ferrites nanoparticles with the stoichiometric formula ...

Abstract This research concentrates on the preparation of polypyrrole nanofibers (PPy-NFs) polymer using chemical polymerization technique and the nanoparticles of (Co0.8-xZnxMn0.2Fe2O4) by co-precipitation technique followed ...

ture: Name: Dr. Ammar A. Habeeb Title: Assist. Professor Head of the Physics Department Address: College of Science, University of Diyala Date: / / 2022 Abstract In this work , lead sulfide PbS thin films deposited ...

III Abstract In this study magnetic nanoparticles were prepared in two forms, the first is Ni1-xCoxFe2O4 and the second is Ni1-xMgxFe2O4 for the x values, (x= 0.0,0.1,0.3,0.5,0.7 ) respectively by chemical co-precipitation ...