Investigation of structural and magnetic properties of Ce3+-substituted nanosized Co–Cr ferrites for a variety of applications

G Mustafa, MU Islam, W Zhang, Y Jamil… - Journal of alloys and …, 2015 - Elsevier
Nanocrystalline samples of Ce 3+ substituted Co–Cr ferrite with chemical formula CoCr 0.04
Ce x Fe 1.96− x O 4 (0⩽ x⩽ 0.1) have been synthesized by co-precipitation method and …

Insight on the electronic state of Sr2IrO4 revealed by cationic substitutions

Y Klein, I Terasaki - Journal of Physics: Condensed Matter, 2008 - iopscience.iop.org
We report the electrical resistivity, thermoelectric power and magnetization of Sr 2− x La x
IrO 4 (x= 0 and 0.05) and Sr 2 Ir 1− y Rh y O 4 (y= 0.05, 0.1 and 0.2) measured below room …

Phonon vibrations and photoluminescence emissions and their correlations with the electrical properties in Er3+ doped Bi3YO6 oxide-ion conductors

SU Asif, J Wang, Y Qian, D Gao, R Bashir, MK Bilal… - Solid State Ionics, 2020 - Elsevier
The phonon variations, photoluminescence emission and electrical properties were
systematically studied in Er 3+ doped Bi 3 YO 6 (Bi 3 Y 1− x Er x O 6) oxide-ion conductors …

Effect of Yttrium doping on structural, optical and transport properties of La2NiMnO6

J Ahmad, M Usman, U Nissar - Materials Research Express, 2019 - iopscience.iop.org
We have prepared a series of double perovskites La 2− x Y x NiMnO 6 (x= 0.0, 0.5, 1.0, 1.5,
2.0 mol%) by sol-gel method. The structural, optical and transport properties of La 2− x Y x …

Lattice Dynamics of Gd1−xYxMn2O5 Investigated by Infrared Spectroscopy

J Ahmad, J Mansoor, MK Rehmani… - … in Materials Science …, 2017 - Wiley Online Library
We present infrared (IR) reflectivity of Gd1− xYxMn2O5 with x= 0, 0.2, 0.4, 0.6, 0.8, and 1 in
the frequency range 30–1000 cm− 1. A total of 18 IR active phonons were observed for …

Effect of A-site Gd3+ substitution on structural, optical and electrical properties of La2− xGdxCrMnO6 double perovskites

JA Khan, J Ahmad, SH Bukhari, U Nissar - Physica Scripta, 2022 - iopscience.iop.org
Nanocrystalline new double perovskites La 2-x Gd x CrMnO 6 (x= 0.5, 1.0, 1.5 and 2.0) have
been prepared by employing auto-combustion sol-gel method. Herein, we investigate the …

Effect of Co2+ substitution on MgAl2O4 studied by infrared reflectance spectroscopy

J Ahmad, M Sabir, MQ Awan, S Anwar, ME Mazhar… - Optik, 2017 - Elsevier
Infrared reflectivity spectra are measured in the frequency range between 10 and 15,500
cm− 1 at room temperature for cobalt substituted nanocrystalline magnesium aluminates …

Impact of rare earth substitution on structural and optical properties of multiferroic La2− xGdxNiMnO6

J Ahmad, M Siddique, JA Khan… - Materials Research …, 2019 - iopscience.iop.org
Abstract Polycrystalline La 2− X Gd X NiMnO 6 (x= 0.0, 0.5 and 1.0) double perovskites were
synthesized by auto combustion sol-gel method. The prepared samples have monoclinic …

[PDF][PDF] Insight into Structural and Optical Properties of Pristine and Sr2+ Doped La2NiMnO6: Insight into Structural and Optical Properties

J Ahmad, S Hassan, JA Khan, U Nissar… - Proceedings of the …, 2021 - paspk.org
Double perovskites oxide (DPO) multiferroics La2-xSrxNiMnO6 (x= 0.0, 0.1, 0.2, 0.4, 0.6) are
synthesized by sol-gel technique. The structural, optical and electrical (both DC and AC) …

Infrared reflectance spectroscopy of MgAl2O4 nanoparticles substituted by K ions

J Ahmad, M Qadeer Awan, R Yasmin… - … Journal of Modern …, 2018 - World Scientific
The infrared reflectivity spectra for potassium-doped polycrystalline magnesium aluminates
Mg 1− x K x Al2O4 (x= 0, 0.25, 0.50, 0.75, 1) are measured in the frequency range between …