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  Subjects -> PHYSICS (Total: 802 journals)
    - ELECTRICITY AND MAGNETISM (9 journals)
    - MECHANICS (21 journals)
    - NUCLEAR PHYSICS (50 journals)
    - OPTICS (86 journals)
    - PHYSICS (578 journals)
    - SOUND (25 journals)
    - THERMODYNAMICS (33 journals)

PHYSICS (578 journals)                  1 2 3 | Last

Showing 1 - 200 of 741 Journals sorted alphabetically
Acta Acustica united with Acustica     Full-text available via subscription   (Followers: 6)
Acta Mechanica     Hybrid Journal   (Followers: 19)
Acta Scientifica Naturalis     Open Access   (Followers: 2)
Advanced Composite Materials     Hybrid Journal   (Followers: 65)
Advanced Functional Materials     Hybrid Journal   (Followers: 49)
Advanced Materials     Hybrid Journal   (Followers: 255)
Advanced Science Focus     Free   (Followers: 3)
Advanced Structural and Chemical Imaging     Open Access   (Followers: 2)
Advances in Condensed Matter Physics     Open Access   (Followers: 8)
Advances in Exploration Geophysics     Full-text available via subscription   (Followers: 3)
Advances in Geophysics     Full-text available via subscription   (Followers: 6)
Advances in High Energy Physics     Open Access   (Followers: 20)
Advances in Imaging and Electron Physics     Full-text available via subscription   (Followers: 2)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 18)
Advances in Natural Sciences: Nanoscience and Nanotechnology     Open Access   (Followers: 28)
Advances in OptoElectronics     Open Access   (Followers: 5)
Advances In Physics     Hybrid Journal   (Followers: 19)
Advances in Physics : X     Open Access  
Advances in Physics Theories and Applications     Open Access   (Followers: 12)
Advances in Remote Sensing     Open Access   (Followers: 37)
AIP Advances     Open Access   (Followers: 8)
AIP Conference Proceedings     Full-text available via subscription   (Followers: 3)
American Journal of Condensed Matter Physics     Open Access   (Followers: 4)
American Journal of Signal Processing     Open Access   (Followers: 10)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 4)
Annalen der Physik     Hybrid Journal   (Followers: 5)
Annales Geophysicae (ANGEO)     Open Access   (Followers: 15)
Annales Henri Poincaré     Hybrid Journal   (Followers: 3)
Annales UMCS, Physica     Open Access  
Annals of Nuclear Medicine     Hybrid Journal   (Followers: 5)
Annals of Physics     Hybrid Journal   (Followers: 4)
Annals of West University of Timisoara - Physics     Open Access   (Followers: 1)
Annual Reports on NMR Spectroscopy     Full-text available via subscription   (Followers: 3)
Annual Review of Analytical Chemistry     Full-text available via subscription   (Followers: 10)
Annual Review of Condensed Matter Physics     Full-text available via subscription  
Annual Review of Materials Research     Full-text available via subscription   (Followers: 5)
APL Materials     Open Access   (Followers: 12)
Applied Composite Materials     Hybrid Journal   (Followers: 47)
Applied Physics A     Hybrid Journal   (Followers: 7)
Applied Physics Frontier     Open Access   (Followers: 1)
Applied Physics Letters     Hybrid Journal   (Followers: 33)
Applied Physics Research     Open Access   (Followers: 3)
Applied Physics Reviews     Hybrid Journal   (Followers: 9)
Applied Radiation and Isotopes     Hybrid Journal   (Followers: 7)
Applied Spectroscopy     Full-text available via subscription   (Followers: 22)
Applied Spectroscopy Reviews     Hybrid Journal   (Followers: 5)
Archive for Rational Mechanics and Analysis     Hybrid Journal  
Asia Pacific Physics Newsletter     Hybrid Journal  
ASTRA Proceedings     Open Access   (Followers: 1)
Astronomy & Geophysics     Hybrid Journal   (Followers: 47)
Astronomy and Astrophysics Review     Hybrid Journal   (Followers: 21)
Astrophysical Journal Supplement Series     Full-text available via subscription   (Followers: 8)
Atoms     Open Access   (Followers: 1)
Attention, Perception & Psychophysics     Full-text available via subscription   (Followers: 10)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 8)
Axioms     Open Access  
Bangladesh Journal of Medical Physics     Open Access  
Bauphysik     Hybrid Journal   (Followers: 2)
Berkala Fisika Indonesia     Open Access  
Biomaterials     Hybrid Journal   (Followers: 44)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 17)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 32)
Biophysical Reviews     Hybrid Journal  
Biophysical Reviews and Letters     Hybrid Journal   (Followers: 3)
BMC Biophysics     Open Access   (Followers: 5)
Boson Journal of Modern Physics     Open Access   (Followers: 12)
Brazilian Journal of Physics     Hybrid Journal  
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 10)
Bulletin of Materials Science     Open Access   (Followers: 41)
Bulletin of the Atomic Scientists     Hybrid Journal   (Followers: 3)
Bulletin of the Lebedev Physics Institute     Hybrid Journal   (Followers: 1)
Bulletin of the Russian Academy of Sciences: Physics     Hybrid Journal  
Caderno Brasileiro de Ensino de Física     Open Access  
Canadian Journal of Physics     Hybrid Journal   (Followers: 14)
Case Studies in Nondestructive Testing and Evaluation     Open Access   (Followers: 9)
Cells     Open Access   (Followers: 2)
CERN courier. International journal of high energy physics     Free   (Followers: 7)
Chemical Physics of Solid Surfaces     Full-text available via subscription  
Chinese Journal of Astronomy and Astrophysics     Full-text available via subscription   (Followers: 13)
Chinese Journal of Chemical Physics     Hybrid Journal   (Followers: 1)
Chinese Journal of Physics     Hybrid Journal  
Chinese Physics B     Full-text available via subscription  
Chinese Physics C     Full-text available via subscription  
Chinese Physics Letters     Full-text available via subscription  
Cogent Physics     Open Access   (Followers: 1)
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Colloid Journal     Hybrid Journal   (Followers: 2)
Communications in Mathematical Physics     Hybrid Journal   (Followers: 1)
Communications in Numerical Methods in Engineering     Hybrid Journal   (Followers: 2)
Communications in Theoretical Physics     Full-text available via subscription   (Followers: 3)
Complex Analysis and its Synergies     Open Access   (Followers: 2)
Composites Part A : Applied Science and Manufacturing     Hybrid Journal   (Followers: 181)
Composites Part B : Engineering     Hybrid Journal   (Followers: 228)
Computational Astrophysics and Cosmology     Open Access   (Followers: 1)
Computational Condensed Matter     Open Access  
Computational Materials Science     Hybrid Journal   (Followers: 21)
Computational Mathematics and Mathematical Physics     Hybrid Journal   (Followers: 2)
Computational Particle Mechanics     Hybrid Journal   (Followers: 1)
Computational Science and Discovery     Full-text available via subscription   (Followers: 2)
Computer Physics Communications     Hybrid Journal   (Followers: 6)
Contemporary Concepts of Condensed Matter Science     Full-text available via subscription  
Contemporary Physics     Hybrid Journal   (Followers: 26)
Continuum Mechanics and Thermodynamics     Hybrid Journal   (Followers: 6)
Contributions to Plasma Physics     Hybrid Journal   (Followers: 3)
COSPAR Colloquia Series     Full-text available via subscription   (Followers: 7)
Cryogenics     Hybrid Journal   (Followers: 47)
Current Applied Physics     Full-text available via subscription   (Followers: 4)
Current Science     Open Access   (Followers: 53)
Diagnostic and Interventional Imaging     Full-text available via subscription  
Diamond and Related Materials     Hybrid Journal   (Followers: 12)
Doklady Physics     Hybrid Journal   (Followers: 1)
Dynamical Properties of Solids     Full-text available via subscription  
ECS Journal of Solid State Science and Technology     Hybrid Journal   (Followers: 4)
Egyptian Journal of Remote Sensing and Space Science     Open Access   (Followers: 19)
EJNMMI Physics     Open Access  
Electrospinning     Open Access  
Embedded Systems Letters, IEEE     Hybrid Journal   (Followers: 40)
Energy Procedia     Open Access   (Followers: 2)
Engineering Failure Analysis     Hybrid Journal   (Followers: 66)
Engineering Fracture Mechanics     Hybrid Journal   (Followers: 22)
Environmental Fluid Mechanics     Hybrid Journal   (Followers: 5)
EPJ Nonlinear Biomedical Physics     Open Access  
EPJ Quantum Technology     Open Access  
EPJ Techniques and Instrumentation     Full-text available via subscription  
EPJ Web of Conferences     Open Access  
European Journal of Physics     Full-text available via subscription   (Followers: 19)
European Journal of Physics Education     Open Access   (Followers: 3)
European Physical Journal - Applied Physics     Full-text available via subscription   (Followers: 16)
European Physical Journal C     Hybrid Journal   (Followers: 1)
Europhysics News     Open Access  
Experimental Mechanics     Hybrid Journal   (Followers: 22)
Experimental Methods in the Physical Sciences     Full-text available via subscription  
Experimental Techniques     Hybrid Journal   (Followers: 56)
Exploration Geophysics     Hybrid Journal   (Followers: 4)
Few-Body Systems     Hybrid Journal  
Fire and Materials     Hybrid Journal   (Followers: 5)
Flexible Services and Manufacturing Journal     Hybrid Journal   (Followers: 1)
Fluctuation and Noise Letters     Hybrid Journal   (Followers: 1)
Fluid Dynamics     Hybrid Journal   (Followers: 13)
Fortschritte der Physik/Progress of Physics     Hybrid Journal  
Frontiers in Physics     Open Access   (Followers: 6)
Frontiers of Materials Science     Hybrid Journal   (Followers: 3)
Frontiers of Physics     Hybrid Journal   (Followers: 2)
Fusion Engineering and Design     Hybrid Journal   (Followers: 10)
Geochemistry, Geophysics, Geosystems     Full-text available via subscription   (Followers: 26)
Geografiska Annaler, Series A : Physical Geography     Hybrid Journal   (Followers: 3)
Geophysical Research Letters     Full-text available via subscription   (Followers: 111)
Geoscience and Remote Sensing, IEEE Transactions on     Hybrid Journal   (Followers: 137)
Glass Physics and Chemistry     Hybrid Journal   (Followers: 4)
Global Journal of Physics     Open Access   (Followers: 2)
Granular Matter     Hybrid Journal   (Followers: 1)
Graphs and Combinatorics     Hybrid Journal   (Followers: 6)
Gravitation and Cosmology     Hybrid Journal   (Followers: 3)
Handbook of Geophysical Exploration: Seismic Exploration     Full-text available via subscription  
Handbook of Metal Physics     Full-text available via subscription  
Handbook of Surface Science     Full-text available via subscription   (Followers: 2)
Handbook of Thermal Analysis and Calorimetry     Full-text available via subscription   (Followers: 1)
Haptics, IEEE Transactions on     Hybrid Journal   (Followers: 3)
Heat Transfer - Asian Research     Hybrid Journal   (Followers: 12)
High Energy Density Physics     Hybrid Journal   (Followers: 2)
High Pressure Research: An International Journal     Hybrid Journal   (Followers: 3)
IEEE Journal of Quantum Electronics     Hybrid Journal   (Followers: 21)
IEEE Signal Processing Magazine     Full-text available via subscription   (Followers: 65)
IET Optoelectronics     Hybrid Journal   (Followers: 1)
Il Colle di Galileo     Open Access  
Image Analysis & Stereology     Open Access  
Imaging Science Journal     Hybrid Journal   (Followers: 2)
Indian Journal of Biochemistry and Biophysics (IJBB)     Open Access   (Followers: 3)
Indian Journal of Physics     Hybrid Journal   (Followers: 21)
Indian Journal of Pure & Applied Physics (IJPAP)     Open Access   (Followers: 39)
Indian Journal of Radio & Space Physics (IJRSP)     Open Access   (Followers: 35)
Industrial Electronics, IEEE Transactions on     Hybrid Journal   (Followers: 38)
Industry Applications, IEEE Transactions on     Hybrid Journal   (Followers: 9)
Infinite Dimensional Analysis, Quantum Probability and Related Topics     Hybrid Journal  
InfraMatics     Open Access  
Infrared Physics & Technology     Hybrid Journal   (Followers: 11)
Intelligent Transportation Systems Magazine, IEEE     Full-text available via subscription   (Followers: 8)
Intermetallics     Hybrid Journal   (Followers: 22)
International Applied Mechanics     Hybrid Journal   (Followers: 3)
International Geophysics     Full-text available via subscription   (Followers: 3)
International Heat Treatment and Surface Engineering     Hybrid Journal   (Followers: 5)
International Journal for Computational Methods in Engineering Science and Mechanics     Hybrid Journal   (Followers: 11)
International Journal for Ion Mobility Spectrometry     Hybrid Journal   (Followers: 1)
International Journal for Simulation and Multidisciplinary Design Optimization     Open Access   (Followers: 4)
International Journal of Abrasive Technology     Hybrid Journal   (Followers: 2)
International Journal of Aeroacoustics     Hybrid Journal   (Followers: 32)
International Journal of Applied Electronics in Physics & Robotics     Open Access   (Followers: 4)
International Journal of Astronomy and Astrophysics     Open Access   (Followers: 23)
International Journal of Computational Materials Science and Surface Engineering     Hybrid Journal   (Followers: 6)
International Journal of Damage Mechanics     Hybrid Journal   (Followers: 5)
International Journal of Fatigue     Hybrid Journal   (Followers: 34)
International Journal of Fracture     Hybrid Journal   (Followers: 12)
International Journal of Geometric Methods in Modern Physics     Hybrid Journal   (Followers: 2)
International Journal of Geophysics     Open Access   (Followers: 5)
International Journal of Heat and Fluid Flow     Hybrid Journal   (Followers: 34)
International Journal of Low Radiation     Hybrid Journal  
International Journal of Low-Carbon Technologies     Open Access   (Followers: 1)
International Journal of Mass Spectrometry     Hybrid Journal   (Followers: 17)
International Journal of Material Forming     Hybrid Journal   (Followers: 1)
International Journal of Materials and Product Technology     Hybrid Journal   (Followers: 5)

        1 2 3 | Last

Journal Cover Advances in Natural Sciences: Nanoscience and Nanotechnology
  [SJR: 0.344]   [H-I: 14]   [28 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2043-6254 - ISSN (Online) 2043-6262
   Published by IOP Homepage  [71 journals]
  • Nanomaterials: a guide to fabrication and applications

    • Authors: Nguyen Van Hieu
      First page: 020401
      Abstract: Description unavailable
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-31T23:00:00Z
      DOI: 10.1088/2043-6254/aa71eb
      Issue No: Vol. 8, No. 2 (2017)
       
  • New developments in breast cancer therapy: role of iron oxide
           nanoparticles

    • Authors: Shivani Thoidingjam; Ashu Bhan Tiku
      First page: 023002
      Abstract: Breast cancer is one of the leading causes of deaths in females worldwide. The high metastatic rate and drug resistance makes it one of the difficult cancers to treat. Early diagnosis and treatment are keys to better survival of breast cancer patients. Conventional treatment approaches like chemotherapy, radiotherapy and surgery suffer from major drawbacks. Novel approaches to improve cancer therapy with minimal damage to normal tissues and better quality of life for cancer patients need to be developed. Among various approaches used for treatment and diagnosis of breast cancer, use of nanoparticles (NPs) is coming up as a new and promising treatment regime. It can help overcome various limitations of conventional therapies like non-targeted effects, resistance to treatment, late diagnosis, etc. Among various nanoparticles studied for their biomedical applications, especially for breast cancer therapy, iron oxide nanoparticles (IONPs) are perhaps the most exciting due to their b...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-31T23:00:00Z
      DOI: 10.1088/2043-6254/aa5e33
      Issue No: Vol. 8, No. 2 (2017)
       
  • Design and measurement technique of surface-enhanced Raman scattering for
           detection of bisphenol A

    • Authors: Norhayati Abu Bakar; Muhamad Mat Salleh, Akrajas Ali Umar Joseph George Shapter
      First page: 025008
      Abstract: Surface-enhanced Raman scattering (SERS) is a highly sensitive measurement technique that provides Raman peaks at different Raman shift for different molecule structures. The SERS sensor is potentially used to detect food contamination and monitor environmental pollutants. A self-developed SERS system for specific analysis with low development cost is a challenging issue. This study attempts to develop a simple SERS sensor system for detection of bisphenol A (BPA) molecule using SERS substrate of silver nanoplate film. A SERS sensor system was developed, consisting of a light source to excite analyte molecules, Inphotonic Raman probe, sensor chamber and spectrophotometer as an analyser system. A duplex fibre optic is used to transmit light from the source to the probe and from the probe to the spectrophotometer. For SERS measurement, BPA detection was done by comparing the Raman signal spectra of the BPA on the quartz substrate and BPA on the silver nanoplate film. This SERS sen...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-08T23:00:00Z
      DOI: 10.1088/2043-6254/aa5e22
      Issue No: Vol. 8, No. 2 (2017)
       
  • Stacking faults density driven collapse of magnetic energy in hcp -cobalt
           nano-magnets

    • Authors: H T T Nong; K Mrad, F Schoenstein, J-Y Piquemal, N Jouini, B Leridon S Mercone
      First page: 025012
      Abstract: Cobalt nanowires with different shape parameters were synthesized via the polyol process. By calculating the magnetic energy product ( BH max ) both for dried nano-powder and for nanowires in their synthesis solution, we observed unexpected independent BH max values from the nanowires shape. A good alignment of the nanowires leads to a higher BH max value. Our results show that the key parameter driving the magnetic energy product of the cobalt nanowires is the stacking fault density. An exponential collapse of the magnetic energy is observed at very low percentage of structural faults. Cobalt nanowires with almost perfect hcp crystalline structures should present high magnetic energy, which is promising for application in rare earth-free permanent magnets.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-07T23:00:00Z
      DOI: 10.1088/2043-6254/aa5e1e
      Issue No: Vol. 8, No. 2 (2017)
       
  • Magnetic inductive heating of organs of mouse models treated by copolymer
           coated Fe 3 O 4 nanoparticles

    • Authors: Hong Nam Pham; Thi Ha Giang Pham, Dac Tu Nguyen, Quoc Thong Phan, Thi Thu Huong Le, Phuong Thu Ha, Hung Manh Do, Thi My Nhung Hoang Xuan Phuc Nguyen
      First page: 025013
      Abstract: Biodistribution studies provide basic information to design and perform various applications of superparamagnetic iron oxide magnetic nanoparticles (SPIOs) in biomedicine such as drug delivery, MRI as well as hyperthermia. Recently, several quantitative measurements as well as new imaging methods have been used to characterize the SPIOs distribution in organs and in tissues of animal model. In this report we used the fabricated iron oxide nanoparticles coated with two block copolymers of polystyrene-co-polyacrylic acid (St-co-PAA) and polylactic acid-co-polyethylene glycol (PLA-PEG). The biodistributions were investigated ex-vivo for several organs of both healthy and Sarcoma transplanted Swiss mice. The SPIOs concentrations were verified mainly by magnetic inductive heating (MIH) measurement with a combination with atomic absorption spectroscopy (AAS). The results indicated the density detected highest in liver and lowest in kidney. The SPIOs concentration increased sign...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-31T23:00:00Z
      DOI: 10.1088/2043-6254/aa5e23
      Issue No: Vol. 8, No. 2 (2017)
       
  • Poly (N-isopropylacrylamide)-functionalized dendrimer as a thermosensitive
           nanoplatform for delivering malloapelta B against HepG2 cancer cell
           proliferation

    • Authors: Phung Ngan Le; Dinh Chuong Pham, Dai Hai Nguyen, Ngoc Quyen Tran, Vladimir Dimitrov, Petko Ivanov, Cuong Nguyen Xuan, Hoai Nam Nguyen Cuu Khoa Nguyen
      First page: 025014
      Abstract: In recent years, nanocarriers have emerged as effective platforms for delivering several kinds of herbal medicine and naturally bioactive compounds. In this study we developed an outstanding thermosensitive dendritic nanocarrier to efficiently deliver malloapelta B (Mall B), which is a water insoluble bioactive compound isolated from leaves of Mallotus apelta —Vietnamese medicinal plant. The thermosensitive poly(N-isopropylacrylamide) (PNIPAM) polymer-conjugated polyamidoamine (PAMAM) dendrimer copolymer was prepared via Michael reaction. The copolymer structures were confirmed by proton nuclear magnectic resonance ( 1 H NMR). Morphology of the nanocarrier was observered around 70–120 nm by transmission electron microscopy (TEM). Size distributions were measured by dynamic light scattering (DLS) of the nanocarrier and its Mall B-loaded performed at 146.8 nm and 194.5 nm, respectively. The PNIPAM-g-PAMAM-based nanocarrier exhibited higher Mall B loading efficiency ...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-31T23:00:00Z
      DOI: 10.1088/2043-6254/aa5e32
      Issue No: Vol. 8, No. 2 (2017)
       
  • Synthesis of silver–platinum nanoferns substrates used in
           surface-enhanced Raman spectroscopy sensors to detect creatinine

    • Authors: Nur Adliha Abdullah; Norhayati Abu Bakar, Joseph G Shapter, Muhamad Mat Salleh Akrajas Ali Umar
      First page: 025015
      Abstract: Creatinine is one of the most commonly used bio markers of renal function. This paper reports a study on detection of creatinine using silver–platinum (AgPt) nanoferns substrates to fabricate a surface-enhanced Raman spectroscopy (SERS) sensor. The AgPt nanoferns were synthesized by liquid phase deposition (LPD) where the morphology structures and thickness of the AgPt nanoferns were controlled by varying the concentration of formic acid which was acting as the reducing agent. We have obtained four different nanoferns structures and thicknesses. This study showed that the AgPt nanoferns structure synthesized with 40 mM formic acid give the highest Raman peak intensity for a 0.05 M creatinine sample.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-31T23:00:00Z
      DOI: 10.1088/2043-6254/aa687f
      Issue No: Vol. 8, No. 2 (2017)
       
  • Superconducting phase transitions in the milikelvin temperature range in
           splat-cooled U-Pt alloys

    • Authors: M Chrobak; Z Tarnawski, S Sowa, M Krupska, N-T H Kim-Ngan, M Paukov, V Buturlim L Havela
      First page: 025016
      Abstract: We present the temperature and magnetic-field dependence of electrical resistivity ( ρ ( T , B ) dependence) in the milikelvin range for U-Pt alloys with Pt concentration in the range of 0–15 atomic percent (at.%) prepared by splat-cooling technique. The high-temperature cubic γ -U phase can be stabilized down to room temperature in the samples with 15 at.% Pt. All samples exhibit superconducting transitions below 1.1 K revealed by abrupt resistivity drops with transition widths of several tens of milikelvins in zero magnetic field. The H – T diagrams for all investigated alloys are in good agreement with the Ginzburg-Landau approximation. The U-Pt alloys with cubic γ -U phase are very stable in air and hydrogen exposure at atmospheric conditions. They can absorb a large amount of hydrogen upon applying hydrogen pressure  >2.5 bars and easily release it by heating in vacuum, showing the possibility of using U-Pt-based hydrides as a medi...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-05-31T23:00:00Z
      DOI: 10.1088/2043-6254/aa5e1c
      Issue No: Vol. 8, No. 2 (2017)
       
  • Synthesis, characterization, and catalytic applications of hematite ( α
           -Fe 2 O 3 ) nanoparticles as reusable nanocatalyst

    • Authors: Nagaraj Basavegowda; Kanchan Mishra Yong Rok Lee
      First page: 025017
      Abstract: A novel magnetically recoverable hematite nanoparticles ( α -Fe 2 O 3 NPs) was fabricated by a simple, one pot, and green method using the rhizome of Cyperus rotundus L., as a reducing and stabilizing agent. The prepared nanoparticles were well characterized by all parameters. TEM showed that the hematite nanoparticles had a rhombohedral shape and ranged in size from 80 to 100 nm. The phase study of the α -Fe 2 O 3 nanoparticles was confirmed by Raman spectroscopy. In addition, the synthesized nanoparticles shows good photocatalytic activity in degradation of highly toxic Congo red dye within 25 min, and the same NPs exhibits higher catalytic activity for the reduction of 4-nitro-o-phenylenediamine (4-NPD) to 1,2,4-benzenetriamine in the presence of NaBH 4 within 12 min. After the reaction, the catalyst was recovered and reused three times without significant loss of catalytic activity.
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-06-11T23:00:00Z
      DOI: 10.1088/2043-6254/aa6885
      Issue No: Vol. 8, No. 2 (2017)
       
  • Synthesis, characterization and electrical property of MWCNT-ZnS
           nanocomposite embedded in polyaniline

    • Authors: M Goswami; A Mukherjee, A K Das, R Ghosh A K Meikap
      First page: 025018
      Abstract: PANI/MWCNT-ZnS nanocomposites with different contents of ZnS wt.% have been synthesized by the chemical oxidative in situ polymerization reaction of aniline in the presence of multi-walled carbon nanotube (MWCNT). TEM, XRD, RAMAN and TGA studies have been done for the structural and thermal characterizations of the samples. The particle sizes of ZnS nanoparticles have the values in the range from 3.21 to 5.08 nm. XRD spectrum reveals the co-existence of MWCNT, ZnS in PANI matrix, where ZnS forms a hexagonal structure. TGA result shows that nanocomposite becomes more thermally stable with increase in ZnS content. The dc electrical transport property of PANI/MWCNT-ZnS nanocomposites has been investigated within a temperature range 77 K  ⩽   T   ⩽  300 K. The dc conductivity follows a 3D variable range hopping (VRH) model. A large magnetoconductivity change (23.1%) is observed for 2 wt.% ZnS content in PANI/MWCNT-ZnS, which is explained by the wave function shrinkage mo...
      Citation: Advances in Natural Sciences: Nanoscience and Nanotechnology
      PubDate: 2017-06-11T23:00:00Z
      DOI: 10.1088/2043-6254/aa71ec
      Issue No: Vol. 8, No. 2 (2017)
       
 
 
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