# Bulletin of Materials Science Journal Impact Factor & Information

Publisher: Indian Academy of Sciences; Materials Research Society of India; Indian National Science Academy, Indian Academy of Sciences

## Journal description

The Bulletin of Materials Science is a bi-monthly journal being published by the Indian Academy of Sciences in collaboration with the Materials Research Society of India and the Indian National Science Academy. The journal publishes original research articles, review articles and rapid communications in all areas of materials science. The journal also publishes from time to time important Conference Symposia/ Proceedings which are of interest to materials scientists. It has an International Advisory Editorial Board and an Editorial Committee. The Bulletin accords high importance to the quality of articles published and to keep at a minimum the processing time of papers submitted for publication.

## Impact Factor Rankings

2015 Impact Factor Available summer 2016 1.017 0.87 0.584 0.88 0.944 0.783 0.858 0.603 0.522 0.777 0.554 0.529 0.34 0.465 0.393 0.319 0.287 0.296 0.278 0.233 0.146 0.225 0.244

## Impact factor over time

Impact factor
.
Year

5-year impact 1.28 7.70 0.07 0.00 0.27 Bulletin of Materials Science website Bulletin of materials science (Online) 0250-4707 51172816 Document, Periodical, Internet resource Internet Resource, Computer File, Journal / Magazine / Newspaper

## Publisher details

• Pre-print
• Author can archive a pre-print version
• Post-print
• Author cannot archive a post-print version
• Conditions
• Publisher's version/PDF must be used
• On author's personal website and/or institutional repository
• All titles are open access journals
• Classification
green

## Publications in this journal

• ##### Article: Influences of protective atmosphere on the characterization and properties of NaSr2Nb5O15 lead-free piezoelectric ceramics by sol–gel method
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ABSTRACT: NaSr2Nb5O15 lead-free piezoelectric ceramics were prepared by the sol–gel method, they were sintered at different temperatures with or without protective atmosphere. The influences of sintering temperature and protective atmosphere on the characterization and properties of the ceramics were investigated. All the ceramics showed the pure tungsten bronze structure and an intermediate relaxor-like behaviour between normal and ideal relaxor ferroelectrics according to the modified Curie–Weiss law. The sintering temperature affected significantly the properties of ceramics, with the sintering temperature increased both with and without protective atmosphere, the ε r, d 33, K p and P r of these ceramics initially increased and decreased finally, whereas the variation of Q m and E c showed the opposite tendency. Furthermore, the protective atmosphere also significantly affected the properties of these ceramics, ε r, d 33, K p and P r of such ceramics sintered with protective atmosphere were superior to those of the ceramics sintered without protective atmosphere, while the tan δ, Q m and E c gave the contrary results.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0979-8
• ##### Article: Characterization and thermal expansion of Sr2Fe x Mo2−x O6 double perovskites
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ABSTRACT: Double perovskite oxides Sr2 Fe x Mo2−x O6 (x = 0.8, 1.0, 1.2, 1.3 and 1.4) (SFMO) of different compositions were prepared by sol–gel growth followed by annealing under reducing atmosphere conditions of H2/Ar flow. X-ray powder diffraction studies revealed that the crystal structure of the samples changes from tetragonal to cubic at around x = 1.2. Lattice parameters and unit cell volume of these samples found to decrease with the increase in Fe content. The characteristics absorption bands observed in the range 400–1000 cm−1 of Fourier transform infrared spectra indicate the presence of FeO6 and MoO6 octahedra and confirm the formation of double perovskite phase. The value of g ∼ 2.00 obtained from electron spin resonance studies indicates that Fe is in 3+ ionic state in the SFMO samples. Dilatometric studies of these samples reveal that the average value of coefficient of thermal expansion ($${\overline {\alpha }}$$) increases with the increase in temperature or Fe content in SFMO samples. The low value of coefficient of thermal expansion 1.31 × 10−6 ∘C−1 obtained for Sr2Fe0.8Mo1.2O6 in the present study in the temperature range of 40–100∘C makes it useful as anode material in fuel cells. The coefficient of thermal expansion ($${\overline {\alpha }}$$) and the unit cell volume (V) of SFMO samples vary inversely with composition in agreement with Grüneisen relation.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0972-2
• ##### Article: Effect of working pressure and annealing temperature on microstructure and surface chemical composition of barium strontium titanate films grown by pulsed laser deposition
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ABSTRACT: Barium strontium titanate (BST) (Ba1-x Sr x TiO3) thin films have been extensively used in many dielectric devices such as dynamic random access memories (DRAMs). To optimize its characteristics, a microstructural control is essential. In this paper, Ba0.6Sr0.4TiO3 thin film has been deposited on the SiO2/Si substrate by the pulsed laser deposition (PLD) technique at three different oxygen working pressures of 100, 220 and 350 mTorr. Then the deposited thin films at 100 mTorr oxygen pressure were annealed for 50 min in oxygen ambient at three different temperatures: 650, 720 and 800°C. The effect of oxygen working pressure during laser ablation and thermal treatment on the films was investigated by using X-ray diffraction (XRD), atomic force microscopy (AFM) and scanning electron microscopy (SEM) analysis methods. X-ray photoelectron spectroscopy analysis was used to determine the surface chemical composition of the samples. The results indicate that the deposited BST film at low working pressure (100 mTorr) in PLD chamber shows a lower surface roughness than other working pressures (220 and 350 mTorr). The as-deposited films show an amorphous structure and would turn into polycrystalline structure at annealing temperature above 650°C. Increase of temperature would cause the formation of cubic and perovskite phases, improvement in crystalline peaks and also result in the decomposition of BST at high temperature (above 800°C). In addition, rising of temperature leads to the increase in size of grains and clusters. Therefore more roughness was found at higher temperatures as a result of a more heterogeneous growth and less tensions.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0982-0
• ##### Article: Sintering of magnesia: effect of additives
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ABSTRACT: Effect of different additives, namely Cr2O3, Fe2O3 and TiO2, up to 2 wt% was studied on the sintering and microstructural developments of the chemically pure magnesia using the pressureless sintering technique between 1500 and 1600°C. Sintering was evaluated by per cent densification and microstructural developments were studied by electron microscopy and elemental distribution of the additives in the sintered products was also investigated for their distribution in the matrix. Cr2O3 and TiO2 were found to deteriorate the densification associated with grain growth. Fe2O3 was found to improve the densification and well-compacted grain distribution was observed in the microstructure.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0962-4
• ##### Article: Synthesis and characterization of thermotropic liquid crystalline polyimides

Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0975-z
• ##### Article: Fabrication of MgAl2Si2O8 : M0.01 (M = Ni2+, Cu2+, Pd2+, Pt2+ and Ru3+): catalytic effects for the reduction of 2- or 4-nitroanilines in water

Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0981-1
• ##### Article: Studies on thermo-optic property of chitosan–alizarin yellow GG complex: a direction for devices for biomedical applications
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ABSTRACT: The optical parameters including the refractive index (n) and thermo-optic coefficient, TOC (dn/dT), the dielectric constant (ε) and its variation with temperature, and the thermal volume expansion coefficient (β) and its variation with temperature of chitosan–alizarin yellow GG (CS–AY GG) complex were examined. The dn/dT and ε-values for the polymer derivative were in the range −2.5 × 10−4 to 1.2 × 10−4°C−1 and 2.2 to 2.3, respectively. The dn/dT values were larger than that of inorganic glasses such as zinc silicate glass (5.5 × 10−6°C−1) and borosilicate glass (4.1 × 10−6°C−1) and were larger than that of organic polymers such as polystyrene (−1.23 × 10−4°C−1) and PMMA (−1.20 × 10−4°C−1). The ε-values are lower than optically estimated ε-values of conventional polymer (3.00), aliphatic polyimide (2.5) and semi-aromatic polyamide (2.83). The obtained results of chitosan derivative are expected to be useful for optical switching and optical waveguide areas for devices of biomedical applications.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0968-y
• ##### Article: Crystallization and mechanical properties of biodegradable poly(p-dioxanone)/octamethyl-polyhedral oligomeric silsesquioxanes nanocomposites via simple solution casting method
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ABSTRACT: In this study, biodegradable poly(p-dioxanone) (PPDO)/octamethyl-polyhedral oligomeric silsesquioxanes (ome-POSS) nanocomposites were fabricated by the simple solution casting method with various ome-POSS loadings. Scanning electron microscopic observations indicate that ome-POSS is well dispersed in the PPDO matrix. Effect of ome-POSS on the isothermal melt crystallization and dynamic mechanical properties of PPDO in the nanocomposites were studied in detail. It shows that the overall crystallization rates are faster in the nanocomposites than in neat PPDO and increase with the increase in ome-POSS loadings; however, X-ray diffraction patterns, POM and the Avrami exponent suggest that the crystal structure and the crystallization mechanism do not change despite the presence of ome-POSS. The mechanical property of PPDO/ome-POSS nanocomposites was enhanced with respect to neat PPDO.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0965-1
• ##### Article: Shape tunable synthesis of Eu- and Sm-doped ZnO microstructures: a morphological evaluation
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ABSTRACT: Facile and low-cost aqueous chemical bath deposition route has been demonstrated to fabricate Eu- and Sm-doped ZnO microstructures. The effect of Eu and Sm ions on the morphology of the ZnO was investigated. The synthesized doped ZnO microstructures were systematically characterized by field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman and Fourier transform infrared spectra. FESEM images depicted the formation of Eu-doped ZnO microsphere and Sm-doped ZnO microplates. XRD spectra showed single crystalline nature of the undoped ZnO microdisks, whereas Eu- and Sm-doped ZnO exhibited the polycrystalline nature. The presence of Eu and Sm ions in the ZnO matrix was confirmed by XPS. This means that all the Eu ions substituted Zn2+ as Eu2+ into the ZnO matrix, whereas most of Sm ions were being in the trivalent state. This was probably due to the segregation of Sm2O3 species on the surface of ZnO microstructures.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0967-z
• ##### Article: Study of electrical percolation phenomenon from the dielectric and electric modulus analysis
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ABSTRACT: Chitosan : AgI solid polymer composite films have been prepared by the well-known solution cast technique. Electrical impedance spectroscopy was used to investigate the electrical percolation threshold phenomenon in this work. A wide dispersion can be seen in dielectric constant spectra at low frequencies. The dielectric constant at selected frequencies as a function of AgI concentration indicates the occurrence of electrical percolation threshold via the appearance of two distinguishable regions. The behaviour of dielectric constant and DC conductivity vs. AgI concentration are almost the same at low and high filler concentrations. The steep increase of dielectric constant and DC conductivity from 5 to 10 wt% of AgI was observed and a plateau was achieved from 10 to 20 wt% of AgI. The pattern of real part of electric modulus (M′) at selected frequencies is similar to dielectric constant. The existence of distinct peaks in M′′ spectra with no corresponding peaks in ε′′ spectra indicated that ionic and polymer segmental motions are strongly coupled. Argand plots of M′′ vs. M′ was used to detect the relaxation type process. The Argand plots at different temperatures exhibit incomplete semicircular arc with a diameter below the real axis.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0978-9
• ##### Article: Anomalous properties of chloroborosilicate glasses in the K2O–BaO–Al2O3–B2O3–SiO2–BaCl2 system
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ABSTRACT: A series of chloroborosilicate glass having composition (in mol%) (100 −x)(42SiO2–30B2O3–20BaO–4K2O–4Al2O3)–xBaCl2 (where x = 0−30) has been prepared by the melt quench technique yielding transparent monolithic glasses up to x = 22.5. Structural investigation by infrared reflection and UV–vis–NIR absorption revealed the bridging action of Cl atom and decrease in non-bridging oxygens with the increase in BaCl2 content. Thermal properties (T g, T d and T s) were measured by the dilatometry and softening point measurement. Viscosity was calculated using the Vogel–Fulcher–Tammann equation. Elastic constants were measured by the ultrasonic method. Other mechanical properties like hardness, fracture toughness were also measured. All of the thermal and mechanical properties exhibited a similar trend of anomalous variation as a function of the BaCl2 content, showing maxima at 10 mol% and a sharp increase at 25 mol% BaCl2 content. The anomaly has been explained by the structural point of view with the help of the aforementioned spectroscopic data.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0963-3
• ##### Article: A 1 V supercapacitor device with nanostructured graphene oxide/polyaniline composite materials
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ABSTRACT: Polyaniline and graphene oxide composite on activated carbon cum reduced graphene oxide-supported supercapacitor electrodes are fabricated and electrochemically characterized in a three-electrode cell assembly. Attractive supercapacitor performance, namely high-power capability and cycling stability for graphene oxide/polyaniline composite, is observed owing to the layered and porous-polymeric-structured electrodes. Based on the materials characterization data in a three-electrode cell assembly, 1 V supercapacitor devices are developed and performance tested. A comparative study has also been conducted for polyaniline and graphene oxide/polyaniline composite-based 1 V supercapacitors for comprehending the synergic effect of graphene oxide and polyaniline. Graphene oxide/polyaniline composite-based capacitor that exhibits about 100 F g-1 specific capacitance with faradaic efficiency in excess of 90% has its energy and power density values of 14 Wh kg-1 and 72 kW kg-1, respectively. Cycle-life data for over 1000 cycles reflect 10% capacitance degradation for graphene oxide/polyaniline composite supercapacitor.
Bulletin of Materials Science 10/2015; 38(6). DOI:10.1007/s12034-015-0966-0
• ##### Article: Effect of silver nanoparticle on the properties of poly(methyl methacrylate) nanocomposite network made by in situ photoiniferter-mediated photopolymerization
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ABSTRACT: Here we report preparation and characterization of poly(methyl methacrylate)/silver nanoparticles (PMMA/AgNPs) nanocomposite networks prepared via in situ photoiniferter-mediated photopolymerization (in situ PMP) using tetraethylthiuram disulphide (TED) as photoiniferter and 2,2-dimethoxy-2-phenylacetophenone (DMPA) as photoinitiator. Photopolymerization was performed in the presence of allyl methacrylate, as crosslinking agent, and various amount of silver nanoparticles (AgNPs). AgNPs were synthesized via chemical reduction of silver nitrate with t-BuONa-activated sodium hydride in tetrahydrofuran. The degree of monomer conversion (DC%) during polymerization was followed quantitatively via Fourier transform infrared spectroscopy. DC% of nanocomposite networks slightly increased with AgNPs content. Moreover, differential scanning calorimetry results disclosed a decrease in glass transition temperature (T g) of the nanocomposite networks in comparison with the pure polymer network, suggesting the plasticizing effect of AgNPs. Swelling behaviour was also measured in water and ethanol/water (3/1, v/v) solution at 37 ± 1°C after 30 days. The enhanced swelling ratio for nanocomposite networks with increase in the AgNPs content suggested the potential role of AgNPs in photo-crosslinking reactions. The flexural strength and modulus values resulted from three-point bending method revealed an improvement in mechanical properties of the nanocomposites in comparison with pure PMMA networks. The mechanical behaviour observations were rationalized based on the field emission scanning electron microscopy micrographs from the fractured surfaces of the nanocomposite networks. Finally, thermogravimetric analysis showed that while the AgNPs catalyse the degradation in the early stages, they subsequently act as a retardant agent against thermal degradation.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0959-z
• ##### Article: Layered zinc hydroxide–ibuprofen nanohybrids: synthesis and characterization
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ABSTRACT: The nonsteroidal anti-inflammatory drug (NSAID), ibuprofen (IBU) anion, was intercalated into the layered zinc hydroxide (LZH) to form a new organic–inorganic nanohybrid. Then, IBU–LZH nanohybrid was dispersed into chitosan for the formation of the nanocomposite. The IBU–LZH nanohybrid was characterized by powder X-ray diffraction (PXRD) to study intercalation, scanning electron microscopy (SEM) for the investigation of surface morphology, Fourier transform infrared (FTIR) spectrophotometer to study the chemical interactions and thermal gravimetric analysis/derivative thermogravimetric analysis (TGA/DTG) for understanding the thermal stability. The PXRD patterns showed that the IBU was successfully intercalated into the interlay space of LZHs as monolayers and the basal spacing of LZH increased from 9.57 to 19.54 Å. The FTIR analyses confirmed the formation of the host–guest nanohybrid. The DTG studies revealed that the thermal stability of IBU was increased after the intercalation into LZH. The in vitro release study of IBU from IBU–LZH and IBU–LZH/chitosan nanocomposite was investigated in phosphate buffer saline (PBS) solution of pH 4.8 and 7.4. The drug release from the LZH was studied by ultraviolet–visible (UV–vis) spectroscopy.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0971-3
• ##### Article: Heating ability and biocompatibility study of silica-coated magnetic nanoparticles as heating mediators for magnetic hyperthermia and magnetically triggered drug delivery systems
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ABSTRACT: The aim of this study is to prepare core–shell La0.73Sr0.27MnO3–silica nanoparticles and evaluating their heat generation ability under the safe alternating magnetic field (f = 100 kHz and H = 10–20 kA m−1) for potential applications in magnetic fluid hyperthermia and magnetically triggered drug delivery systems. The magnetic cores of La0.73Sr0.27MnO3 with an average particle size of 54 nm were synthesized by the citrate–gel method. Then, the Stober method was applied to encapsulate nanoparticles with 5-nm-thick silica shell. The core–shell structure of nanoparticles was confirmed by X-ray diffraction, fourier transform infrared spectroscopy and transmission electron microscopy analyses. Cytotoxicity of bare and silica-coated nanoparticles was evaluated by methyl thiazol tetrazolium bromide assay with MCF-7 cell line. The results revealed that the both samples have negligible toxicity below 500 μg ml−1 and silica coating can improve the biocompatibility of nanoparticle. In addition, calorimetric measurements were used to determine the heating efficiency of the core–shell nanostructures in aqueous medium. The results showed that the heat generated of the prepared sample could be safely controlled in the range of 40–60∘C which is suitable for biomedical applications.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0976-y
• ##### Article: Low temperature synthesis of nanocrystalline scandia-stabilized zirconia by aqueous combustion method and its characterizations
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ABSTRACT: Zirconia stabilized with 11 mol% scandia (11ScSZ) has been successfully synthesized by novel alanine-assisted soft chemical aqueous combustion method. The reaction kinetics during combustion synthesis has been studied in detail by analysing thermal behaviour of different metal–alanine complexes. A single phase 11ScSZ powder is achieved at significantly low calcination temperature of 500∘C. Field emission scanning electron micrograph reveals an agglomerated morphology with particle size ranging from 80 to 100 nm. The thermal expansion coefficient is found to be 11.03 × 10−6 ∘C−1 in the temperature range between room temperature and 1000∘C. Optical bandgap of 5.19 eV has been determined using UV–Vis spectroscopy and results are compared with the help of theoretical density of states. The total electrical conductivity of sintered pellet is found to be 7.3 × 10−3 S cm−1 at 700∘C as measured by impedance spectroscopy.
Bulletin of Materials Science 10/2015; DOI:10.1007/s12034-015-0977-x