Non-linear temperature dependent Raman parametric changes: An identification of Fano intervened systems

C Rani, M Tanwar, T Ghosh, S Kandpal, SK Saxena… - Physics Reports, 2023 - Elsevier
Raman spectroscopy, since its discovery in 1928, left millions of footprints touching almost
all researchers coming from multidisciplinary research areas and has established itself as …

Effect of some physical perturbations and their interplay on Raman spectral line shapes in silicon: A brief review

R Kumar, M Tanwar - Journal of Raman Spectroscopy, 2021 - Wiley Online Library
Raman spectroscopy is a proven versatile tool for characterization of materials spanning
almost all areas of science because of its ability to non‐invasively extract information about …

Doping-Induced Combined Fano and Phonon Confinement Effect in La-Doped CeO2: Raman Spectroscopy Analysis

M Gupta, A Kumar, A Sagdeo… - The Journal of Physical …, 2021 - ACS Publications
The effect of La-doping on the crystallographic structure and the Raman line-shape of CeO2
has been investigated. X-ray diffraction analysis suggests that the lattice parameter and the …

Electronic structure and photocatalytic activity of samarium doped cerium oxide nanoparticles for hazardous rose bengal dye degradation

S Chahal, N Rani, A Kumar, P Kumar - Vacuum, 2020 - Elsevier
Abstract Sm doped CeO 2 (Sm= 0%, 2%, 4%, 6% and 8%) nanoparticles have been
synthesized by sol-gel method for spintronics and photodegradation applications. Structural …

Oxygen-deficient lanthanum doped cerium oxide nanoparticles for potential applications in spintronics and photocatalysis

S Chahal, S Singh, A Kumar, P Kumar - Vacuum, 2020 - Elsevier
In this report, we have investigated oxygen-deficient lanthanum (La) doped cerium oxide
(CeO 2) nanoparticles for their potential applications in spintronics and photocatalysis. XRD …

Development of an amperometric biosensor for dopamine using novel mesoporous silicon nanoparticles fabricated via a facile stain etching approach

J Ahmed, M Faisal, FA Harraz, M Jalalah… - Physica E: Low …, 2022 - Elsevier
Mesoporous silicon (PSi) modified glassy carbon electrode (GCE) was studied for the first
time for efficient detection of dopamine (DA). A facile stain etching method was used to …

Comparative study of quantum confinements effect present in Silicon Nanowires using absorption and Raman spectroscopy

V Kashyap, C Kumar, N Chaudhary, N Goyal… - Optical Materials, 2021 - Elsevier
Silver-induced chemical etching (SIE) has been widely explored for developing silicon (Si)
based photovoltaic devices with its benefits for low-cost and large-area fabrication of silicon …

Oxygen and cerium defects mediated changes in structural, optical and photoluminescence properties of Ni substituted CeO2

S Tiwari, G Rathore, N Patra, AK Yadav… - Journal of Alloys and …, 2019 - Elsevier
Local and long-range structural properties, of sol-gel synthesized, Ce 1-x Ni x O 2 (0≤ x≤
0.1) nanopowders have been investigated. Substitution of Ce 4+ by comparably smaller Ni …

Design of NiO@ SiO2 core shell nanocomposites and unveiling their dielectric behavior under diverse frequency and temperature regime

SC Lims, S Divya, KK Bharathi, G Viju, SJ Das… - Materials Science and …, 2023 - Elsevier
NiO@ SiO 2 core–shell nanocomposits (CSN) were prepared using co-precipitation cum
stober method. Powder XRD analysis, FT-IR and FT-Raman studies were employed to …

Quantifying the short-range order in amorphous silicon by Raman scattering

P Yogi, M Tanwar, SK Saxena, S Mishra… - Analytical …, 2018 - ACS Publications
Quantification of the short-range order in amorphous silicon has been formulized using
Raman scattering by taking into account established frameworks for studying the spectral …