000			02682nam a22001697a 4500
999			_c21819 _d21819
005			20221005182738.0
008			221005b ||||| |||| 00| 0 eng d
020			_ahbk
082			_a530.12 _bSy78
100			_aFaiz Sultan, _bMS Physics, _c2016-2018 _dSupervised by Dr. Muhammad Saeed Akhtar
245			_aSynthesis and characterization of iron oxide nanostructures by chemical bath deposition technique _c/ Faiz Sultan
260			_aLahore : _bDivision of Science & Technology, University of Education, _c2018
300			_axi, 74 p. _eCD
520			_aMagnetic nanoparticles and nanocrystalline thin film have attracted enormous research interest during the last few decades due to wide spread applications of these materials in advanced optoelectronic, magnetic and bio devices. Chemical Bath Deposition Technique being a simple and cost-effective method has been adopted to produce nanocrystalline thin films and powder of iron oxide. The deposition methodology was optimized to achieve homogeneous growth of nanostructures. The iron oxide nanostructures and deposited thin films have been further characterized by X-ray diffraction, Scanning Electron Microscopy, Energy Dispersive X-ray (EDX) and Vibrating Sample Magnetometer (VSM) techniques in order to investigate their structural, morphological and magnetic properties, respectively. XRD patterns revealed that deposited thin films and powder exhibit polycrystalline structure with cubic phase. Broader diffraction peaks confirmed the growth of nanocrystals in all samples. Crystallite size was estimated by Scherer’s equation and found to be 3.18 and 0.60 nm for powder sample and thin film, respectively. Morphology analysis revealed that grains are grown with variable size in both samples i.e. powder and thin film. For powder samples, grains with size ranging from 16 to 100 nm and for thin film samples, grains with size ranging from 5 to 60 nm have been observed. Almost uniform growth of clusters which are distributed throughout the substrate surface in case of thin films demonstrated the controlled growth of nanostructures. EDX analysis confirmed the presence of essential precursors with desired stoichiometry in all samples. Magnetic properties (M-H curves) of the samples revealed that saturation magnetization of powder and thin film has the value of 2.1x10-5 and 6.2x10-3 emu, respectively. Magnetite nanoparticles show more coercivity and retentivitiy as compared to that of thin film. These nanostructured thin films might have potential applications in advanced magnetic and recording materials.
650			_aPhysics--Characterization--Iron Oxide--Chemical Bath
942			_cTH