Browsing Bachelor of Science in Applied Physics & Electronics by Title
Now showing items 1-20 of 21
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Computational study of electronic transport property of a quantum dot in a single electron transistor
(BRAC University, 2017-06)Microscopic object’s conductance behaviours are totally different from those of the macroscopic ones and cannot be understood, let alone deciphered using classical approach. Nanoscale systems’ electron transport is not ... -
Design and development of smart low-cost home systems using Raspberry Pi
(BRAC University, 2017-12)This research work aims to design and develop a smart low-cost home automation system with existing technology. The home automation becomes important, because it gives the user the comfortable and easily for using the home ... -
Designing and performance evaluation of a solar water pumping system
(BRAC University, 2016-01)This study includes the detailed designing of solar water pumping system and its performance evaluation. Water pumping system is an ancient procedure and many methods have been established. Human energy, animal power, ... -
Development of a low cost MPPT circuit for Solar Panel
(BRAC University, 2014-09)Renewable energy source have potential of playing a vital role in electricity generation. In Bangladesh, solar panel is now a widely used renewable energy source. So extracting maximum power from solar panel is vital. In ... -
Influence of Mn Substitution on Structural and AC magnetic properties of (Ni0.4Cu0.15Zn0.45)1-xMnxFe2O4 with x=0.00, 0.15
(BRAC Univeristy, 2017)Structural and AC magnetic properties of (Ni0.4Cu0.15Zn0.45)1-xMnxFe2O4 (x=0.00 and 0.15) have been investigated which were prepared by solid state reaction method. Various chemical compositions were calcined at 9500C and ... -
Influence of 𝑳𝒊+ Substitution on Magnetic and Electrical Properties of 𝑳𝒊𝒙𝑪𝒖𝟎.𝟓𝒁𝒏𝟎.𝟓−𝟐𝒙𝑭𝒆𝟐+𝒙𝑶𝟒
(Brac University, 2018)Structural, AC magnetic and electrical properties of 𝐿𝑖𝑥𝐶𝑢0.5𝑍𝑛0.5−2𝑥𝐹𝑒2+𝑥𝑂4 (x=0.00, x=0.05, 0.10) have been investigated which were prepared by solid state reaction method. Various chemical compositions were ... -
Interface application development for a Keithley 6517B electrometer using LabVIEW programming to measure resistance and temperature as functions of time
(BRAC University, 2017-10-15)This internship was set to demonstrate a basic understanding of the Keithley 6517B electrometer and LabVIEW programming. Using LabVIEW software, a Keithley 6517B Electrometer was controlled so as to supply a voltage to ... -
Interface application development of an electrometer using LabVIEW programming to study current-voltage characteristics of semiconductor devices
(BRAC University, 2017-02)A transistor is an electrical device made of semiconductor material that is used for operations such as amplification and switching of electronic signals and electrical power. Transistors, such as Bipolar Junction Transistor ... -
Internship on (Ni0.4Cu0.15Zn0.45)1-xMnxFe2O4 sample preparation and calcination
(BRAC Univeristy, 2017)The sole purpose of this internship is to provide us hands on experience on how to measure, prepare and characterise a sample of the (Ni0.4Cu0.15Zn0.45)1-xMnxFe2O4 ferrites (x=0.3, x=0.45) which was further hand milled ... -
An investigation of a gridconnected solar powered water pumping system
(BRAC University, 2016-02)The following research work highlights the working principles of a solar powered water pumping system and how it can be a viable option in the context of Bangladesh. The report intends to differentiate between two types of ... -
Investigation of IV characteristic of semiconductor diode and resistor using keithley 2450 source meter operated by labview programming
(Brac University, 2019)This internship report mainly focuses on Investigating the IV characteristic curve of diode and resistor using Keihley 2450 source meter operated by lab view programming. Using the Lab view programming such configuration ... -
Ion acoustic wave in relativistic magnetized quantum plasma with positive ions, negative ions, electrons and stationary dust particles
(Brac University, 2022-07)The propagation of the ion acoustic (IA) solitary waves (SWs) in a degenerate quantum plasma with external magnetic field (containing magnetized positive and negative ions, unmagnetized quantum electrons with stationary ... -
KEITHLEY 6517B Electrometer
(BRAC University, 2016-10)Keithley 6517B electrometer is a multifunctional electrometer which usually works with low current and high resistance. This electrometer can be controlled through interfacing. Labview software was used to interface this ... -
Localized surface plasmon resonance based nanocube-nanosphere dimer biosensor
(BRAC University, 2017-06)For this paper, the Localized Surface Plasmon Resonance (LSPR) properties of bimetallic nanoparticles in the shape of a nanocube-nanosphere and consisting of Drude metals was analysed. The refractive index based plasmonic ... -
Measurement and analysis of temperature dependent resistance of 𝑳𝒊𝒙𝑪𝒖0.5𝒁𝒏𝟎.𝟓−𝟐𝒙𝑭𝒆𝟐+𝒙𝑶4
(Brac University, 2023)The DC electrical property of 𝑳𝒊𝒙𝑪𝒖0.5𝒁𝒏𝟎.𝟓−𝟐𝒙𝑭𝒆𝟐+𝒙𝑶4 (x=0.00, x=0.05, 0.10) samples prepared by solid state reaction method was investigated. The samples were calcined at 800℃ and sintered at 1000℃ and ... -
Ni0.48Cu0.12Zn0.40Gd0.04Fe1.96O4 (Ferrite) sample preparation, planetary ball milling and calcination
(BRAC University, 2017-06)The purpose of the internship was to provide with a firsthand experience on how to measure and prepare a precise amount of the ferrite composite, Ni0.48Cu0.12Zn0.40Gd0.04Fe1.96O4 which was then further planetary ball milled ... -
Optical characterisation of single junction monocrytalline silicon solar cell
(BRAC University, 2015-01)In this paper the character of a solar cell in terms of minority carrier diffusion length through surface photovoltage (SPV) technique is studied. SPV is measured with respect to wavelength where the spectral range is ... -
Permeability measurements of Ni0.4Cu0.15Zn0.45Fe2O4 using impedance analyzer
(BRAC Univeristy, 2017)This internship presents the work of Ni0.4Cu0.15Zn0.45Fe2O4 sample preparation and its permeability measurements at different sintering temperature using 6500B impedance analyzer. Firstly ‘’Ni0.4Cu0.15Zn0.45Fe2O4‘’ sample ... -
Simulation of high energy cosmic ray showers using CORSIKA
(BRAC University, 2016-01) -
Structural and AC magnetic properties of (Ni0.4Cu0.15Zn0.45)1-xMnxFe2O4(x=0.30, 0.45) due to Mn substitution
(BRAC Univeristy, 2017)Structural and magnetic properties of (Ni0.4Cu0.15Zn0.45)1-xMnxFe2O4 ferrites(x=0.3, x=0.45) were investigated and it was prepared by solid state reaction methods. Various chemical compositions were calcined at 950C, and ...
