Sunil Ojha
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View article: Integration Of Renewable Energy In Smart Infrastructure Development In Nepal: A Policy And Feasibility Review
Integration Of Renewable Energy In Smart Infrastructure Development In Nepal: A Policy And Feasibility Review Open
Nepal's journey towards renewable energy and intelligent infrastructure is the need of the hour in order to achieve long-term energy security, environmental sustainability, and sustainable economic development. This study employs a framewo…
View article: Mechanism Insights into Nanostructuring and Wettability on Au Thin Film: Effect of Substrate and Low‐Energy Ion Irradiation
Mechanism Insights into Nanostructuring and Wettability on Au Thin Film: Effect of Substrate and Low‐Energy Ion Irradiation Open
The nanostructuring of Au thin films induced by ion irradiation is significantly affected by substrate interactions, where processes such as sputtering, diffusion, and dewetting are pivotal in determining the evolution of surface morpholog…
View article: Tailoring optical properties of pulsed laser deposition grown epitaxial SrTiO3 thin films by tantalum doping
Tailoring optical properties of pulsed laser deposition grown epitaxial SrTiO3 thin films by tantalum doping Open
The tunability of both optical bandgap and refractive index of the films is crucial for designing the next generation light emitting devices, lasers, power electronics, and transparent electronics. These applications, however, require high…
View article: Raman's scattering study of nano-crystalline Cr and N-doped TiO2 film: Insights from structural, morphological and optical characterizations
Raman's scattering study of nano-crystalline Cr and N-doped TiO2 film: Insights from structural, morphological and optical characterizations Open
In this study, pristine, chromium, and nitrogen co-doped titania thin films were successfully prepared using the sol-gel spin coating method. The resulting samples were analysed using Grazing angle X-ray diffraction (GI-XRD), Rutherford ba…
View article: Unlocking Exceptional Negative Valency and Spin Reconstruction in Non‐Collinear Anti‐Ferromagnetic Antiperovskite Mn<sub>3</sub>NiN Film
Unlocking Exceptional Negative Valency and Spin Reconstruction in Non‐Collinear Anti‐Ferromagnetic Antiperovskite Mn<sub>3</sub>NiN Film Open
Antiperovskite manganese nitrides have intriguing magnetic and electronic properties that are not well understood. Just as their perovskite oxide counterparts, they are expected to display properties tunable through epitaxial strain engine…
View article: Targeted Imaging of Estrogen Receptor‐Positive Cancer Cells Using Fluorescent Estradiol Probes
Targeted Imaging of Estrogen Receptor‐Positive Cancer Cells Using Fluorescent Estradiol Probes Open
Breast cancer remains the second most common cause of cancer‐related deaths in women worldwide, with ≈70% of cases linked to the overexpression of Estrogen Receptor (ERα). Existing imaging tools often fail to reliably differentiate between…
View article: Spectrum Utilization using Multiple Access Techniques
Spectrum Utilization using Multiple Access Techniques Open
View article: Low-energy carbon ion irradiation-induced phase evolution in thermally treated Ni/Si bilayers
Low-energy carbon ion irradiation-induced phase evolution in thermally treated Ni/Si bilayers Open
In this paper, we report the effect of low-energy carbon ion irradiation on the thermally annealed nickel–silicon bilayer samples.
View article: 50 MeV Li- and 80 MeV Ni- ions induced modification in ZnO cauliflower like structure: Structural, optical and electrical studies
50 MeV Li- and 80 MeV Ni- ions induced modification in ZnO cauliflower like structure: Structural, optical and electrical studies Open
In this work, ZnO has been synthesized by co-precipitation method and mixed with 0.5 % of polyvinyl alcohol for the preparation of thin film. These ZnO thin films have been irradiated with lithium (Li) and nickel (Ni) beams of energy 50 Me…
View article: DEVELOPMENT OF A TEST FOR ASSESSMENT OF CRITICAL THINKING SKILLS
DEVELOPMENT OF A TEST FOR ASSESSMENT OF CRITICAL THINKING SKILLS Open
The aim of this study was to develop a critical thinking test for B.Ed. trainees. The developmentalresearchmethod was used for the construction of the test. A sample of 238 and 276 trainees were selected purposively from the various B.Ed. …
View article: Anomalous Behaviour in Structural and Optical Properties of Cr and N co- doped TiO 2 thin films Under Thermally Induced Conditions synthesized by Spin Coating
Anomalous Behaviour in Structural and Optical Properties of Cr and N co- doped TiO 2 thin films Under Thermally Induced Conditions synthesized by Spin Coating Open
This study investigates the transformative effects of chromium and nitrogen doping on the structural and optical characteristics of TiO2 thin films. Intriguing results are obtained by analysing XRD patterns, FTIR spectroscopy, R…
View article: Competitive nature of weak anti-localization and weak localization effect in Cr-doped sputtered topological insulator Bi2Se3 thin film
Competitive nature of weak anti-localization and weak localization effect in Cr-doped sputtered topological insulator Bi2Se3 thin film Open
In the present study, we have investigated the effect of magnetic Cr doping on the transport properties of a sputtered Bi2Se3 thin film on the SrTiO3 (110) substrate. The high-resolution x-ray diffraction and Raman spectroscopy measurement…
View article: Investigating ripple pattern formation and damage profiles in Si and Ge induced by 100 keV Ar<sup>+</sup> ion beam: a comparative study
Investigating ripple pattern formation and damage profiles in Si and Ge induced by 100 keV Ar<sup>+</sup> ion beam: a comparative study Open
Desired modifications of surfaces at the nanoscale may be achieved using energetic ion beams. In the present work, a complete study of self-assembled ripple pattern fabrication on Si and Ge by 100 keV Ar + ion beam bombardment is discussed…
View article: Development of Nano-Porous AU Thin Film at Room Temperature Via Ion Irradiation in A-Ge/Au Bilayer System Followed by Chemical Etching of Ge
Development of Nano-Porous AU Thin Film at Room Temperature Via Ion Irradiation in A-Ge/Au Bilayer System Followed by Chemical Etching of Ge Open
View article: Charge State Distribution for 1.78 - 3.93 Mev/U Si Projectiles Passing Through 10 [[Equation]] Carbon Foil
Charge State Distribution for 1.78 - 3.93 Mev/U Si Projectiles Passing Through 10 [[Equation]] Carbon Foil Open
View article: Depth Profiling of the Si Ion Implantation Induced Disorder and Strain in 4h-Sic and the Thermal Annealing Recovery
Depth Profiling of the Si Ion Implantation Induced Disorder and Strain in 4h-Sic and the Thermal Annealing Recovery Open
View article: Fabrication and Characterization of Natural 74w Targets at Iuac
Fabrication and Characterization of Natural 74w Targets at Iuac Open
View article: Plasmonic and Magnetic Properties of Ion Implantation Synthesized Auni Nanoalloys Embedded in Fused Quartz Matrix
Plasmonic and Magnetic Properties of Ion Implantation Synthesized Auni Nanoalloys Embedded in Fused Quartz Matrix Open
View article: Understanding interfacial conductance in non-stoichimetric Ca<i> <sub>x</sub> </i>Ta<i> <sub>y</sub> </i>O<sub>3−<i>δ</i> </sub>/SrTiO<sub>3</sub>
Understanding interfacial conductance in non-stoichimetric Ca<i> <sub>x</sub> </i>Ta<i> <sub>y</sub> </i>O<sub>3−<i>δ</i> </sub>/SrTiO<sub>3</sub> Open
In search of novel conducting oxide heterointerfaces, we previously uncovered an distinctive quasi two-dimensional electron gas (q-2DEG) type behaviour in non-stoichimetric Ca x Ta y O 3-δ /SrTiO 3 heterostructure. However, the underlying …
View article: Synthesis and Structural Properties of Pure and Magnesium Doped Titanium Dioxide Nanoparticles by Sol -Gel Method
Synthesis and Structural Properties of Pure and Magnesium Doped Titanium Dioxide Nanoparticles by Sol -Gel Method Open
Metals are able to form a large number of oxides. For this work , Pure Titanium dioxide nanoparticles were successfully synthesized by sol- gel method at room temperature using Titanium tetra isopropoxide and Isopropyl alcohol as a precurs…
View article: The implementation of a national online teaching platform for UK trainee otolaryngologists
The implementation of a national online teaching platform for UK trainee otolaryngologists Open
Disruption to face-to-face postgraduate surgical teaching during the COVID-19 pandemic exposed the need for a virtual learning platform for UK otolaryngology trainees. With this impetus, the Association of Otolaryngologists in Training (AO…
View article: A Thrifty Liquid-Phase Exfoliation (LPE) of MoSe2 and WSe2 Nanosheets as Channel Materials for FET Application
A Thrifty Liquid-Phase Exfoliation (LPE) of MoSe2 and WSe2 Nanosheets as Channel Materials for FET Application Open
View article: A Study on the Raman Response of Tio2 Upon Ion-Implantation and Annealing in O2 Atmosphere
A Study on the Raman Response of Tio2 Upon Ion-Implantation and Annealing in O2 Atmosphere Open
View article: Characterization of a Nb-Pb composite target
Characterization of a Nb-Pb composite target Open
A thin Nb target on a Pb backing was fabricated using the rolling technique. In the present work, the characterization of the sample has been carried out using various techniques to study the surface morphology, crystallography, elemental …
View article: Optical and structural modifications of copper nanoparticles in a matrix of fullerene C60 under 220 keV Ag ion irradiation
Optical and structural modifications of copper nanoparticles in a matrix of fullerene C60 under 220 keV Ag ion irradiation Open
View article: Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3
Reversible hydrogen control of antiferromagnetic anisotropy in α-Fe2O3 Open
View article: Nano-scale depth-varying recrystallization of oblique Ar+ sputtered Si(111) layers
Nano-scale depth-varying recrystallization of oblique Ar+ sputtered Si(111) layers Open
View article: Effects of Energetic Ion Irradiation on β-Ga<sub>2</sub>O<sub>3</sub> Thin Films
Effects of Energetic Ion Irradiation on β-Ga<sub>2</sub>O<sub>3</sub> Thin Films Open
In the present work, effect of swift heavy ion (SHI) irradiation on structural and optical properties of β -Ga 2 O 3 thin films was investigated. Different ion fluences ( ϕ ) of 120 MeV Ag 9+ ions ranging from 1 × 10 11 ions-cm −2 to 5 × 1…
View article: An assessment on crystallization phenomena of Si in Al/a-Si thin films <i>via</i> thermal annealing and ion irradiation
An assessment on crystallization phenomena of Si in Al/a-Si thin films <i>via</i> thermal annealing and ion irradiation Open
In the present study, crystallization of amorphous-Si (a-Si) in Al/a-Si bilayer thin films under thermal annealing and ion irradiation has been investigated for future solar energy materials applications.
View article: Role of Ni substitution on structural, magnetic and electronic properties of epitaxial CoCr2O4 spinel thin films
Role of Ni substitution on structural, magnetic and electronic properties of epitaxial CoCr2O4 spinel thin films Open
Cubic spinel CoCr2O4 has attained recent attention due to its multiferroic properties. However, the Co site substitution effect on the structural and magnetic properties has rarely been studied in thin film form. In this work, the structur…