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Siam Physics Congress 2016

8–10 Jun 2016
Asia/Bangkok timezone

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Session

Session VIII

T2
8 Jun 2016, 13:30

Conveners

Session VIII: Tr. 5 Condensed Matter Physics

  • Anucha Yangthaisong

Presentation materials

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  1. 486. High Pressure Phase Transitions of Transition Metal Hydrides
    Udomsilp Pinsook
    08/06/2016, 13:30
    Condensed Matter Physics
    Oral presentaion

    Invited Speaker

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  2. 118. Predicting the High-Pressure Phases of Transition-Metal Tetraborides (TMB$_4$, TM = Fe, Ru, and Os) using Evolutionary Algorithm
    Dr Komsilp Kotmool (Department of Physics, Mahidol Wittayanusorn School, Nakhon Pathom 73170, Thailand)
    08/06/2016, 14:00
    Condensed Matter Physics
    Oral presentaion

    Transition metal borides (TMBs) are currently the subject of intensive interest
    because of their superhard and ultra-incompressible features. Some TMBs are classified as
    superhard materials mainly due to the presence of strong boron-boron covalent
    bonding. To guide the experiment, employing density functional theory with evolutionary algorithm for crystal structure prediction, the...

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  3. 115. An investigation on lattice vibration and negative thermal expansion of ScF3 and other D09 structure materials
    Ms Tipaporn Patniboon (School of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand)
    08/06/2016, 14:15
    Condensed Matter Physics
    Oral presentaion

    A large negative thermal expansion (NTE) was discovered in simple cubic scandium trifluoride (ScF3) over a wide range of temperatures. The underlying mechanism has been explained by Li et al. [1] in terms of the vibration mode with the transverse motion of F atoms to their bond direction which behaves as quantum quartic oscillator. In this work, frozen phonon calculations with first-principles...

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  4. 114. First-Principles Study of Alkali Metal Intercalated in 2H-MoS2
    Mr Thanundon Kongnok (School of Physics, Suranaree University of Technology)
    08/06/2016, 14:30
    Condensed Matter Physics
    Oral presentaion

    MoS2 is a compound in transition metal dichalcogenide (TMDC) family that is semiconductor with layered honeycomb structure (2H) having strong in-plane bonding and weak out-of-plane van der Waals (VDW) interactions. In the bulk form, MoS2 has an indirect band gap where valence band maximum and conduction band minimum are located at the Γ point and the middle point between Γ-K point,...

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  5. 142. Carrier mobility for acoustic phonon scattering in 2D extrinsic graphene
    anucha pratumma
    08/06/2016, 14:45
    Condensed Matter Physics
    Oral presentaion

    We study carrier mobility of 2D extrinsic graphene by acoustic phonon scattering as a function of temperature (T) and carrier density (n). We calculate inverse relaxation times (τ) as a function of energy for different temperatures and resistivity (ρ) as a function of temperature for different densities (n).

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