- Perovskite Materials and Applications
- Heusler alloys: electronic and magnetic properties
- Thermal Expansion and Ionic Conductivity
- Chalcogenide Semiconductor Thin Films
- Cryptography and Residue Arithmetic
- Solid-state spectroscopy and crystallography
- Inorganic Chemistry and Materials
- Cryptography and Data Security
- Quantum Dots Synthesis And Properties
- Advanced Thermoelectric Materials and Devices
- Electrical and Bioimpedance Tomography
- Coding theory and cryptography
- Distributed and Parallel Computing Systems
- Electronic and Structural Properties of Oxides
- Optical properties and cooling technologies in crystalline materials
- Numerical Methods and Algorithms
- Parallel Computing and Optimization Techniques
- Hemodynamic Monitoring and Therapy
- Body Composition Measurement Techniques
- ZnO doping and properties
- Advancements in Battery Materials
Bangladesh University of Engineering and Technology
2024-2025
Bangladesh Army University of Science and Technology
2024-2025
Using first-principles calculations based on density functional theory, this work investigated the mechanical, magnetic, elastic, electrical, and optical characteristics of halide-based perovskite FrGeX3 (X = Cl, Br, I) at different hydrostatic pressures ranging from 0 to 9 GPa. It was determined that compound is stable ductile in nature by calculating its thermodynamic mechanical stability using parameters formation enthalpy elastic constant. When no pressure applied, band computations...
The objective of our study was to analyze the mechanical, magnetic, elastic, electrical, and optical characteristics halide-based perovskite FrSnX3 (X = Cl, Br, I) at hydrostatic pressures ranging from 0 6 GPa. We conducted this analysis using first-principles calculations based on density functional theory. thermodynamic mechanical stability complex were calculated its formation enthalpy elastic constant characteristics. compound found be ductile stable. FrSnCl3, FrSnBr3, FrSnI3 are all...
Abstract This study examines the physical properties of germanium-based halide perovskite through Density Functional Theory (DFT) computations. The physical, optical, mechanical, and magnetic NaGeX 3 (X = Cl, Br, I) were examined with effects hydrostatic pressure applied externally. compounds subjected to variations ranging from 0 5 GPa. results indicate a decrease in band gap infrared visible spectrum. For NaGeCl , NaGeBr NaGeI decreased 0.766 eV, 0.497 0.400 eV respectively, indicating...
Semiconductor behavior has emerged as a promising substance for numerous advancements in natural energy production, storage, and conversion, well medical technology due to exceptional properties capabilities of the perovskites. Additionally, this property also presents great opportunity solar cells serve substitute conventional silicon‐based photovoltaic systems, they provide greater efficiency cost‐effective conversion sunlight electricity. Here, we are first time investigating lead‐free...
Lead halide perovskites have distinct physiochemical properties and demonstrate remarkable power conversion efficiency. We used density functional theory to investigate the electrical, optical, structural, elastic features of non-toxic InGeCl3 InGeBr3 perovskite compounds at different hydrostatic pressures, from 0 8 GPa. exhibit noteworthy changes in their electronic optical under pressure conditions. When is GPa, direct bandgap for 0.886 eV, it 0.536 eV. This gap decreases as rises....
ABSTRACT Designing an optimized performance elliptic curve cryptography (ECC) processor capable of rapid point multiplication while saving hardware resources is essential part system security. This study introduces the implementation a field‐programmable gate array (FPGA) design ECC (ECCP), prioritizing speed, compactness, maximum operating frequency, and resultant throughput rate in prime field 256‐bit. The enables efficient for 256 bits twisted Edwards25519 curve, which vital strength...
In this study, the structural, electrical, and optical characteristics of lead-free tin-based halide perovskites, ASnCl3 (A = Ga, In, Tl), have been investigated in work as possible substitutes for...
In this study, first-principles calculations were performed by different functionals to investigate the structural, electronic, and optical properties of Cs2NaSbBr6 double perovskite using density functional theory. The computed lattice constants a = 8.220 Å, Generalized Gradient Approximation-Perdew–Burke–Ernzerhof (GGA-PBE), unit cell volume, V 392.789 Å3, formation enthalpy, ΔEf −1431.59 eV/atom, confirm structural stability thermodynamic feasibility material. tolerance factor τ 0.810...
Abstract Metal-halide perovskites have emerged as a revolutionary material in solar energy technology, offering exceptional light-harvesting efficiency, eco-friendly characteristics, and low production costs. These materials are paving the way for next-generation photovoltaic devices with their outstanding optoelectronic properties scalability commercial applications. In this research, three-component ternary halide AMgX3 (A=Ga, In, Tl; X=Cl, Br, I) were studied different figured out using...
Very-large-scale integration (VLSI) of elliptic curve cryptography (ECC) is vital for efficiently securing the digital world. This research demonstrates a description (ECC), with focus on both hardware and software approaches. An effective technique used to create modified interleaved modular multiplication architecture that maximizes performance while minimizing use. Almost 532 522 slice registers are available Spartan-6 others 4 unique control sets each. ECC processors must carefully...
<title>Abstract</title> Lead halide perovskites possess notable physiochemical characteristics and exhibit high-power conversion efficiencies. However, their commercial feasibility could be improved by stability toxicity issues. Therefore, there is growing interest in developing stable lead-free alternatives that provide similar optical electrical features. Perovskite solar cells are free of lead frequently demonstrate reduced power efficiency. Applying hydrostatic pressure to these...
<title>Abstract</title> Designing an optimized performance elliptic curve cryptography (ECC) processor capable of rapid point multiplication while saving hardware resources is essential part system security. This study introduces the implementation a field-programmable gate array (FPGA) design (ECP) prioritizing speed, compactness, maximum operating frequency, and resultant throughput rate in prime field 256-bit. The enables efficient for 256-bit twisted Edwards25519 which vital strength...
This research introduces a novel mathematical methodology for identifying the distinctive frequency of human tissue. The model has been formulated using bioelectrical impedance analysis. developed can be utilized to detect range ailments, including those associated with cardiovascular system, cancer, and dengue fever. A total 3813 data points, both males females, were utilized. Data from sample male female individuals, their age, height, at frequencies ranging 5 kHz 1 MHz (for Fc model),...