Investigation of Structural, Microstructural, Dielectrical and Magnetic Properties of Bi3+ Doped Manganese Spinel Ferrite Nanoparticles for Photonic Applications PDF Download
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Author: Veerabhadrappa Jagadeesha Angadi Publisher: ISBN: Category : Electronic books Languages : en Pages : 0
Book Description
The structural, microstructural, and magnetic properties of Mn1-xBixFe2O4 (where x = 0.0, 0.05, 0.1, 0.15, and 0.2) nanoparticles prepared by solution combustion method were investigated. Rietveld-refined X-ray diffraction patterns confirm the single-phase formation with space group Fd3m having spinel cubic structure. The porous nature of the samples was confirmed by scanning electron microscopy (SEM). Composition values of the theoretical stoichiometry and energy-dispersive spectroscopy (EDS) composition values are well matched for all samples. The dielectric parameters such as real part of dielectric constant, imaginary part of dielectric constant, and dielectric loss tangent decrease with the increase in frequency. The AC conductivity increases with increase in the Bi3+ concentration. The real part of complex impedance decreases with the increase in frequency. Cole-Cole plots reveal that one semicircle was obtained for each of the samples. The real and imaginary parts of electric modulus vary with frequency. The magnetic hysteresis curves of all samples reveal the soft magnetic material nature. We observed S esteems began uniquely from the higher superparamagnetic, we would have watched the monotonic decrease in S with increase in Bi3+ concentration. Furthermore, the magnetic parameters were estimated.
Author: Veerabhadrappa Jagadeesha Angadi Publisher: ISBN: Category : Electronic books Languages : en Pages : 0
Book Description
The structural, microstructural, and magnetic properties of Mn1-xBixFe2O4 (where x = 0.0, 0.05, 0.1, 0.15, and 0.2) nanoparticles prepared by solution combustion method were investigated. Rietveld-refined X-ray diffraction patterns confirm the single-phase formation with space group Fd3m having spinel cubic structure. The porous nature of the samples was confirmed by scanning electron microscopy (SEM). Composition values of the theoretical stoichiometry and energy-dispersive spectroscopy (EDS) composition values are well matched for all samples. The dielectric parameters such as real part of dielectric constant, imaginary part of dielectric constant, and dielectric loss tangent decrease with the increase in frequency. The AC conductivity increases with increase in the Bi3+ concentration. The real part of complex impedance decreases with the increase in frequency. Cole-Cole plots reveal that one semicircle was obtained for each of the samples. The real and imaginary parts of electric modulus vary with frequency. The magnetic hysteresis curves of all samples reveal the soft magnetic material nature. We observed S esteems began uniquely from the higher superparamagnetic, we would have watched the monotonic decrease in S with increase in Bi3+ concentration. Furthermore, the magnetic parameters were estimated.
Author: Maaz Khan Publisher: BoD – Books on Demand ISBN: 1839628685 Category : Technology & Engineering Languages : en Pages : 146
Book Description
Due to their unique electrical and magnetic characteristics, ferrites are useful for a wide range of technological applications including refrigerators, air conditioners, microwave ovens, radio and telecommunication devices, and computers. This book presents knowledge about ferrites, their fabrication, characterizations, and applications in different areas. It is a useful resource for students, scientists, and engineers working in the field of ferrites.
Author: Hongli Wang Publisher: ISBN: Category : Cobalt compounds Languages : en Pages : 200
Book Description
Self Organization Magnetic Arrays (SOMA) made from self-assembled magnetic nanoparticles produced by solution phase chemical approaches have been considered as the most promising candidate for ultra-high density magnetic recording media with potential areal density beyond 1Tb/in2. This thesis is focused on the fabrication of CoPt and FePt-type nanoparticles by chemical synthesis for the application in magnetic recording media. The work in this thesis consists of three parts. Synthesis and characterization of CoPt and FePt nanoparticles were investigated.
Author: Veerabhadrappa Jagadeesha Angadi Publisher: ISBN: Category : Electronic books Languages : en Pages : 0
Book Description
The Dy-Ho doped Mn-Zn Ferrite nanoparticles have been synthesized by solution combustion method using mixture of fuels as glucose and urea. The synthesized samples of structural properties were characterized through XRD (X-ray diffraction) and dielectric properties were studied through impedance analyzer. The XRD patterns of all samples confirms the spinel cubic structure having space group Fd3m. Further all synthesized samples reveal the single-phase formation without any secondary phase. The lattice parameters and hopping lengths were increases with increase of Dy-Ho concentration. SEM micrographs shows the porous nature for all samples. The crystallite size increases with increase of Dy-Ho concentration. The Dielectric properties of all the samples were explained by using Koop,Äôs phenomenological theory. The real part of dielectric constant, imaginary part of dielectric constant and dielectric loss tangent were decreases with increase of frequency. Th AC conductivity increases with increase of frequency. The real part of impedance spectra decreases with increase of frequency for all samples. The Cole-Cole plots shows the one semicircle for all samples. The high ac conductivity and low dielectric loss observed for all samples at high frequency region and this samples are reasonable for power transformer applications at high frequencies.
Author: Surender K. Sharma Publisher: Springer Nature ISBN: 3030799603 Category : Technology & Engineering Languages : en Pages : 480
Book Description
This book highlights the complexity of spinel nanoferrites, their synthesis, physio-chemical properties and prospective applications in the area of advanced electronics, microwave devices, biotechnology as well as biomedical sciences. It presents an overview of spinel nanoferrites: synthesis, properties and applications for a wide audience: from beginners and graduate-level students up to advanced specialists in both academic and industrial sectors. There are 15 chapters organized into four main sections. The first section of the book introduces the readers to spinel ferrites and their applications in advanced electronics industry including microwave devices, whereas the second section mainly focus on the synthesis strategy and their physio-chemical properties. The last sections of the book highlight the importance of this class of nanomaterials in the field of biotechnology and biomedical sector with a special chapter on water purification.
Author: Susheel Kalia Publisher: Elsevier ISBN: 032395846X Category : Technology & Engineering Languages : en Pages : 384
Book Description
Magnetic Nanoferrites and their Composites: Environmental and Biomedical Applications addresses recent developments in this important research field. The book covers the latest synthesis and fabrication techniques, properties, characterization and multifunctional biomedical and environmental applications. Chapters provide cutting-edge research while addressing the latest scenarios, recent developments, future aspects, and challenges and opportunities attributed to their excellent properties, including large surface-to-volume ratio, high chemical stability, low eddy losses, moderate values of saturation magnetization and coercivity, large adsorption, non-toxicity, bio-degradable and biocompatibility. This book will be a valuable reference resource for researchers, engineers and technologists working in this important research field. Magnetic nanoferrites and their composites are now utilized in a broad range of different application fields such as catalysis, biomedicine, magnetic resonance imaging (MRI), tissue targeting, drug delivery, sensors, environmental remediation, data storage, transformers, switching devices, high frequency and microwave devices. Provides a systematic, comprehensive review on recent progress in magnetic nanoferrites and their related composites Presents the latest synthesis techniques required for fabricating magnetic nanoferrites and their composites Addresses the latest research towards enhancing the magnetic and photocatalytic degradation characteristics of magnetic nanoferrites and their composites
Author: Publisher: ISBN: 9781109249217 Category : Gadolinium Languages : en Pages :
Book Description
Hard magnetic nanoparticles have many applications, such as high density recording media, and magnetic nano-devices. Finite size effects dominate many properties of magnetic nanoparticles. In this work, Tb, Gd, and SmCo 5 nanoparticles with different sizes (
Author: Veerabhadrappa Jagadeesha Angadi
Author: Veerabhadrappa Jagadeesha Angadi
Author: Maaz Khan
Author: Hongli Wang
Author: Dr. Govind Hariba Kale
Author: Veerabhadrappa Jagadeesha Angadi
Author: Surender K. Sharma
Author: Susheel Kalia
Author: 
Author: Devinder Singh
Author: Sudhir Regmi