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Siam Physics Congress 2016

8–10 Jun 2016
Asia/Bangkok timezone

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Session

Session XXII

V4
9 Jun 2016, 10:45

Conveners

Session XXII: Tr. 11 Material Physics, Nano Tech

  • Kamonpan Pengpat

Presentation materials

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  1. 54. Effect of boron addition on the structure and magnetic properties of CoPt nanoparticles
    Supree Pinitsoontorn (Khon Kaen University)
    09/06/2016, 10:45
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentaion

    We reported the effect of boron addition on magnetic properties and structure of CoPt nanoparticles. The CoPt-B nanoparticles were synthesized by means of the polyol process. The magnetic property measurement showed that the CoPt-B sample exhibited a much larger coercivity compared to the sample without B additive at the same annealing temperature. Transmission electron microscopy and energy...

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  2. 255. Structural and magnetic properties of single crystal (311) plane of Co0.3Zn0.7Fe2O4 ferrite by ceramic method.
    Mr Anuwat Hassadee (bansomdejchaopraya rajabhat University, Bangkok, 10600)
    09/06/2016, 11:15
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentaion

    Anuwat Hassadee1*, Kedsarin Meemon1, and Tippavan Hongkachern1
    1Department of Science, Faculty of Education, Bansomdejchaopraya Rajabhat University, Bangkok, 10600

    *E-mail: anuwat8652@hotmail.com

    Abstract
    Co0.3Zn0.7Fe2O4 ferrites were prepared by ceramic process and sintered 1250oC, 1300oC and 1350oC. The crystal structural, morphological and magnetic properties of ferrite...

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  3. 64. The Effect of copper and iron dopants on TiO2 nanotubes structure
    Ms Ramida Chaiyarat (Department of Physics, UbonRatchathani University, Warinchamrab,UbonRatchathani, 34190, Thailand)
    09/06/2016, 11:30
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentaion

    We have synthesyzed Cu and Fe- doped TiO2 nanotubes by an anodization method. The electrolyte was composed of ethylene glycol (EG), ammonium fluoride (0.3 % wt NH4F) and deionized water (2% vol H2O) with concentration of the dopants Cu and Fe of 0.5 mM. A constant DC power supply of 50 V was used during anodization with anodizing times of 2 hours. X-ray diffraction (XRD) was used to examined...

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  4. 198. Colossal Dielectric Permittivity in (A3+,Nb5+) doped TiO2; A3+ = Cr3+ and Sc3+
    Noppakorn Thanamoon
    09/06/2016, 11:45
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentaion

    (Cr,Nb)TiO2 (CN-T) and (Sc,Nb)TiO2 (SN-T) ceramics were prepared via a solid state reaction process. A single phase of rutile TiO2 was confirmed by X-ray diffraction (XRD). Dielectric properties were investigated over frequency range from 40Hz to 10MHz and temperature range from -70C to 220C. The ceramics showed high permittivities (>1000) with low dielectric losses and frequency-stablity....

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  5. 245. Fabrication of Free Standing Photonic Crystal Film Consisting of Polystyrene Nanoparticles
    Ms Jitprabhat Ponchai (Mahidol university)
    09/06/2016, 12:00
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentaion

    Method for fabricating a free standing film of colloidal photonic crystal (CPC) has been studied. The CPC films were previously fabricated by drop-coating monodisperse polystyrene nanoparticles on agarose hydrogel. The water-based medium in these CPC films was not long-term stable and the changing of air-humidity resulted in the variation of their optical properties. To sustain the optical...

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  6. 230. Development of fluorescent-organically modified silica (ORMOSIL) nanoparticles as targeted probe for Leptospira
    Ms Boonyaporn Suwattanapunkul (Student), Ms Jidapa Watthanaprakarnchai (student), Ms Naphatsorn Kulsayumporn (Student)
    09/06/2016, 12:15
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentaion

    Leptospirosis is an infectious disease caused by pathogens of the genus Leptospira. This

    disease becomes a wide-spreading problem in tropical areas including Thailand. A method of

    detection which is used nowadays is microscopic agglutination test (MAT) but its detection limit

    is so high that it cannot be used to detect pathogens in low concentration samples. To develop

    a new method...

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