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Browsing Dissertation/Theses - Department of Physics by Subject "Ferrite(Magnetic materials)"

Now showing items 1-17 of 17

AC Magnetic characterization of Ni0.50-Zn0.50-xTixFe2O4 and Ni0.50-yZn0.50CryFe2O4 ferrites

Shahidul Islam, Md. (Department of Physics, BUET, 2008-03)

Polycrystalline NiOJobiOJO-xTirFe,OJ (O.OO~.50) and Nio5o-)7.J1n.J,Cr)Fe20J (O.OO$'S.l.20) ferrites were prepared by a conventional solid stale reaction technique. Tbe samples were sintered at different temperatures ...
Effect of copper substitution on the magnetic properties of Fe2.5Zn0.5-xCuxO4

Arifur Rahman, Mohammad (Department of Physics (PHY), 2013-02)

Polycrystalline Fe2.5Zn0.5-xCuxO4 ferrites with x= 0.00-0.45 have been synthesized by the standard solid state reaction technique. Pellet- and toroid -shaped samples are prepared from the ferrite powders and sintered at ...
Influence of Ti substitution on structural and magnetic properties of Ni-Zn ferrites

Nur Hossain Sharifee, Mohammed (Department of Physics (PHY), 2011-09)

microscopy, respectively. The AC magnetic properties of these ferrites were characterized with high frequency (100 Hz-120 MHz) complex initial permeability and temperature dependent permeability measurements. The influence ...
Influence of transition metal ions (Cu, Cr) on the structural and magnetic properties of Mn-Zn ferrites

Farhad Alam (Department of Physics, 2014-06)

Three series of Mn-Zn based ferrites have been prepared for investigation of the influence of transition metal ions (Cu, Cr) on their structural and magnetic properties. The three series of ferrite compositions are i) ...
Influence of various cations substitution on structural and magnetic properties of some Co-based spinel ferrites

Hamidur Rahman Khan, Mohammad (Department of Physics (PHY), 2011-09)

In this research three series of ferrites have been prepared for investigation of the effect of substitution of divalent and trivalent cations in various Co-based ferrites. The three series are Co0.5-xMnxZn0.5Fe2O4, ...
Investigation of frequency dependence permeability of Ca, Mg and Ti substituted Mn-Zn ferrites

Brajalal Sinha (Department of Physics, BUET, 2008-04)

MnJ_xZnxFe204 (X=O, 0.2, 0.4, 0.5, 0.6), MnO.5ZnO.5_yCayF'e204 (y=OJ, 0.2), MnO.5ZnO.5_yMgyFe204 (y=OJ, 0.2) and MnO.5ZnO.5_yTiyF'e204 (y=O.l, 0.2) ferrites are prepared using conventional solid state reaction technique. ...
Investigation of magnetic properties of Ba3Ni2-xZnxFe24O41 hexaferrites

Minuddin, Md. (Department of Physics (PHY), 2011)

Various Ba3Ni2-xZnxFe24O41 (x=0.0, 0.3, 0.5, 0.7, 0.9, 1.1, 1.3, 1.5 and 1.7) hexaferrites were prepared by a conventional solid state reaction technique. Stoichiometric amounts of BaCO3, Fe2O3, NiO and ZnO were milled ...
Investigation of multiferroic and photocatalytic properties of Bi0.9Y0.1 FeO3 nanoparticles

Masud Parvez, Md. (Department of Physics, BUET, 2019-02-23)

In this investigation, BiFeO3 and Bi0.9Y0.1FeO3 bulk polycrystalline materials have been synthesized by a conventional solid state reaction technique. Nanoparticles are also produced directly from their bulk powder materials ...
Investigation of multiferroic and photocatalytic properties of Gd and Mn co-doped BiFeO3

Anisur Rahman, Md. (Department of Physics (PHY), 2016-09)

The nominal compositions of Bi0.9Gd0.1Fe1-xMnxO3 (x = 0.00, 0.05, 0.10, 0.15, 0.20) ceramics were synthesized by a conventional solid state reaction technique and their structural, morphological, dielectric, and magnetic ...
Investigation of structural and magnetic properties of lanthanum substituted Ni-Mg-Cu-Zn ferrites

Shil, Sujit Kumar (Department of Physics, BUET, 2009-04)

PolycrystalHne Nio IMg,:usCuowlno5oFe2_xLax04 (with x = 0.00, 0,025, 0.050 and 0.075) were prepared by conventional solid state reaction technique. Pellet and toroid shaped samples were preJlllred from each composition ...
Investigation of structural, morphological and electromagnetic properties of scandium doped nickel-copper-zinc ferrites

Harun-or-Rashid, Md. (Department of Physics, BUET, 2019-07-20)

Various polycrystalline Ni0.3Cu0.2Zn0.5ScxFe2-xO4 (x = 0.00, 0.02, 0.04, 0.05 and 0.07) were synthesized by standard solid-state reaction technique. The composition was calcinated at 1173 K and the samples, prepared from ...
Preparation and investigation of frequency dependence permeability of Co-Zn ferrite

Khirul Kabir, Kazi (Department of Physics, BUET, 2006-12)

For abstracts please see full text
Structural ,transport and magnetic properties of double exchange (Fe1-x Mnx)75P15C10 amorphous ferromagnetic alloys

Kamruzzaman, Md. (Department of Physics (PHY), 2010-04)

(Fe1-xMnx)75P15C10 (x=0.0, 0.10, 0.20 and 0.30) alloys have been prepared in the form of ribbon by standard melt-spinning technique in air with wheel speed of 25 m/sec and cooling rate 1.8x106 K/sec. The prepared samples ...
Structural and initial permeability studies of nanocrystalline LixCu0.12Mn0.88-2xFe2+xO4 prepared by combustion technique

Abu Mohshin Quraishi, Muhammod (Department of Physics (PHY), 2011-09)

The nanocrrystalline LixCu0.12Mn0.88-2xFe2+xO4 ferrites with x = 0.00, 0.10, 0.20, 0.30, 0.40 and 0.44 have been synthesized by combustion technique. The particle size of various LixCu0.12Mn0.88-2xFe2+xO4 is found to be 9 ...
Structural correlation and tunability of magnetic and electric properties of manganese doped cobalt ferrite nanoparticles

Ziaul Ahsan, Md. (Department of Physics, BUET, 2020-09-26)

In the present work, three systems of manganese (Mn) doped cobalt ferrite nanoparticles were synthesized by the planetary ball milling technique with the composition formula Co1+xMnxFe2-xO4,Co1-xMnxFe2O4 and CoMnxFe2-xO4,where ...
Structural magnetic and electrical properties of Mg-based soft ferrites

Manjurul Haque, Md. (Department of Physics, BUET, 2008-01)

Three series of fen-it< sample, of d\e compositions Mg, .•ZJ',F.,O" Mg" "_,cu,-ZI1<l"O(Fe,O,)~,, and Mgo"Cuo"ZI1<l"O(Fe,.""'n.o,),.,, were prepared by u,ing lhc ,olid <tate reaclion technique. The pha,e identification ...
Study of physical, magnetic and transport properties of cations substituted NiCuZn based spinel ferrites

Belal Hossen, Mohammad (Department of Physics (PHY), 2015-05)

The present research focused on the study of the physical, magnetic and transport properties of various Ni0.37-xCu0.10Zn0.53+xFe2O4, Ni0.27-xCu0.20Zn0.53+xFe2O4 and Ni0.27Cu0.10Zn0.63AlxFe2-xO4. Powders of all compositions ...

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Browsing Dissertation/Theses - Department of Physics by Subject "Ferrite(Magnetic materials)"

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