Coupled multiphysics modelling of sensors for chemical, biomedical, and environmental applications with focus on smart materials and low-dimensional …

S Singh, R Melnik - Chemosensors, 2022 - mdpi.com
Low-dimensional nanostructures have many advantages when used in sensors compared
to the traditional bulk materials, in particular in their sensitivity and specificity. In such …

Domain heterogeneity in radiofrequency therapies for pain relief: a computational study with coupled models

S Singh, R Melnik - Bioengineering, 2020 - mdpi.com
The objective of the current research work is to study the differences between the predicted
ablation volume in homogeneous and heterogeneous models of typical radiofrequency (RF) …

Higher-order nonlinear electromechanical effects in wurtzite GaN/AlN quantum dots

M Bahrami-Samani, SR Patil… - Journal of Physics …, 2010 - iopscience.iop.org
As we demonstrated earlier, conventional mathematical models based on linear
approximations may be inadequate in the analysis of properties of low-dimensional …

Nonlocal Models in Biology and Life Sciences: Sources, Developments, and Applications

S Pal, R Melnik - arXiv preprint arXiv:2401.14651, 2024 - arxiv.org
Nonlocality is important in realistic mathematical models of physical and biological systems
at small-length scales. It characterizes the properties of two individuals located in different …

Low dimensional approximations to ferroelastic dynamics and hysteretic behavior due to phase transformations

LX Wang, RVN Melnik - 2010 - asmedigitalcollection.asme.org
In this paper, a low dimensional model is constructed to approximate the nonlinear
ferroelastic dynamics involving mechanically and thermally-induced martensite …

Size and temperature effects on electric properties of CdTe/ZnTe quantum rings

WP Hong, SH Park - Chinese Physics B, 2011 - iopscience.iop.org
The electronic properties of CdTe/ZnTe quantum rings (QRs) are investigated as functions of
size and temperature using an eight-band strain-dependent k· p Hamiltonian. The size …

Structure parameters and electric field effects on exciton binding energies of CdTe/ZnTe quantum rings

WP Hong, SH Park, YD Jung - Japanese Journal of Applied …, 2013 - iopscience.iop.org
We study the effects of the structural parameters such as the wetting layer thickness and the
size of self-assembled CdTe/ZnTe quantum rings (QRs) under an external electric field on …

Modeling heterostructures with Schrödinger–Poisson–Navier iterative schemes, effect of carrier charge, and influence of electromechanical coupling

DR Mahapatra, M Willatzen, RVN Melnik, B Lassen - Nano, 2012 - World Scientific
This paper presents a detailed investigation of the effects of piezoelectricity, spontaneous
polarization and charge density on the electronic states and the quasi-Fermi level energy in …

Modeling of GaN/AlN heterostructure-based nano pressure sensors

S Patil, N Sinha, RVN Melnik - … : Fabrication, Properties, Optics …, 2009 - spiedigitallibrary.org
We quantify the influence of thermopiezoelectric effects in nano-sized Al x Ga 1-x N/GaN
heterostructures for pressure sensor applications based on the barrier height modulation …

A model of coupled thermal, mechanical, and electrostatic field effects in III-N thin film heterostructures

BM Shenoy, DR Mahapatra, G Hegde - Journal of Applied Physics, 2013 - pubs.aip.org
A one-dimensional coupled multi-physics based model has been developed to accurately
compute the effects of electrostatic, mechanical, and thermal field interactions on the …