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Article
Open AccessCation/Anion Substitution in Cu2ZnSnS4 for Improved Photovoltaic Performance
Cations and anions are replaced with Fe, Mn, and Se in CZTS in order to control the formations of the secondary phase, the band gap, and the micro structure of Cu2ZnSnS4. We demonstrate a simplified synthesis str...
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Article
Open AccessIce-templated synthesis of multifunctional three dimensional graphene/noble metal nanocomposites and their mechanical, electrical, catalytic and electromagnetic shielding properties
In-situ homogeneous dispersion of noble metals in three-dimensional graphene sheets is a key tactic for producing macroscopic architecture, which is desirable for practical applications, such as electromagnetic i...
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Article
A comparative study on thermoresponsive magnetic nanohydrogels: role of surface-engineered magnetic nanoparticles
A comparative study of thermoresponsive poly(N-isopropylacrylamide)(PNIPAAm)-chitosan (CS)-based magnetic nanohydrogels (MNHGs) encapsulating functionalized Fe3O4 nanoparticles (NPs) in terms of the parameters go...
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Article
Synthesis and in situ mechanism of nuclei growth of layered double hydroxides
A host-guest material such as layered double hydroxide (LDH) has generated immense interest in current research due to its technological importance, whereby its dimension significantly affect its mechanical an...
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Article
Defects in three-dimensional spherical assemblies of Ni-doped ZnO nanocrystals
Three-dimensional spherical assemblies of Ni-doped ZnO nanocrystals have been prepared by the solution phase synthesis process. It has been observed that transition metal ions (Zn, Ni) are uniformly distribute...
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Article
Microstructural evolution and magnetic properties of size-controlled nanocrystalline Ni in Ni(OH)2–ZrO2 composite
Size-controlled nanocrystallites of Ni varying in size from 2 to 26 nm distributed in a nonmagnetic matrix of Ni(OH)2–ZrO2 have been prepared by changing the reduction reaction time and by adding different concen...
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Article
Application of magnetite hexacyanoferrate composites in magnetically assisted chemical separation of cesium
Potassium nickel hexacyanoferrate composite with magnetite finds application in the recovery of cesium from low-level liquid waste using magnetic assistance. The apparent sorption capability of hexacyanoferrat...
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Article
Assembly of Fe3O4 nanoparticles on SiO2 monodisperse spheres
The assembly of superparamagnetic Fe3O4 nanoparticles on submicroscopic SiO2 spheres have been prepared by an in situ reaction using different molar ratios of Fe3+/Fe2+ (50–200%). It has been observed that morpho...
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Article
Influence of fuel ratios on auto combustion synthesis of barium ferrite nano particles
Single-domain barium ferrite nano particles have been synthesized with narrow particle-size distribution using an auto combustion technique. In this process, citric acid was used as a fuel. Ratios of cation to...
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Article
Processing, properties and some novel applications of magnetic nanoparticles
Magnetic nanoparticles have been prepared by various soft chemical methods including self-assembly. The bare or surface-modified particles find applications in areas such as hyperthermia treatment of cancer an...
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Article
Low temperature synthesis and magneto- electrical studies in Nd1−xPb x MnO3 system
The system Nd1 − xPb x MnO3 with x ≤ 0.50 has been synthesized by citrate-gel route. All these samples have shown single phase structure with cubic symmetry. Magnetic and electri...
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Article
Synthesis and characterization of biocompatible hydroxyapatite coated ferrite
Ferrite particles coated with biocompatible phases can be used for hyperthermia treatment of cancer. We have synthesized substituted calcium hexaferrite, which is not stable on its own but is stabilized with s...
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Article
Properties of CMR composites
Colossal magnetoresistance (CMR) composites form an interesting field of study. The intrinsic CMR, governed by the intragrain transport of the conduction electrons through the double exchange, limits its appli...
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Article
Biomaterials and magnetism
Magnetism plays an important role in different applications of health care. Magnetite (Fe3O4) is biocompatible and therefore is one of the most extensively used biomaterials for different applications ranging fro...
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Article
Crystallisation kinetics in AO-Al2O3-SiO2-B2O3 glasses (A = Ba, Ca, Mg)
The crystallisation kinetics of AO-Al2O3-SiO2-B2O3glasses (A = Ba, Ca, Mg) was investigated using DTA, XRD, and microstructural studies. Moreover, the influence of nucleating agentssuch as TiO2, ZrO2, Cr2O3, and ...
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Article
Characterization of SiO2–Na2O–Fe2O 3–CaO–P2O 5–B 2O 3 glass ceramics
Bioactivity and magnetic properties were investigated in glass and glass ceramics based on the SiO2–Na2O–Fe2O3–CaO–P2O5–B2O3 system to find their suitability as thermoseed for hyperthermia treatment of cancer. Th...
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Article
Importance of structural tuning in manganites
Properties of substituted La-manganites are known to be very sensitive to La site substitution. The critical parameters appear to be (a) the charge and concentration of the substituted ions, which determine th...
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Article
Cell culture approach to biocompatibility evaluation of unconventionally prepared hydroxyapatite
Hydroxyapatite (HA), Ca10(PO)46(OH)2 was produced by microwave irradiation of calcium nitrate (CaNO34H2O) and di-ammonium phosphate in aqueous solution. The HA formation was confirmed by X-ray diffraction analysi...
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Article
Studies on synthesis of calcium ferrite-based bio glass ceramics
The possibility of synthesizing a Ca-ferrite based biocompatible glass ceramic has been explored in the following two glass compositions: (i) 28Na2O-8CaO-3P2O5-llFe2O3-50SiO2, and (ii) 25Na2O-8CaO-3P2O5-20Fe2O3-4...
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Article
Resistivity studies of melt spun and annealed Al-Mn-Fe-Si multiply twinned samples
The quaternary Al75Mn10Fe5Si10 alloy was synthesized by induction melting, melt spinning and subsequent annealing. The melt spun sample shows the multiply twinned nodular-type microstructure. These plates surroun...
