Phase Transition Under Pressure
High pressure study of the phase transition in the itinerant ferromagnet CoS2
... by performing experiments in a hydrostatic helium-pressure environment for pressures less than 1 GPa. Second, we use a toroid-type quasi-hydrostatic cell to obtain additional information on the behavior of ...
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Efficient Solvent and Catalyst Free Syntheses of Imine Derivatives Applying the Pressure Reduction Technique: Remarkable Change of the Reaction Rate with the Phase Transition
... We studied the neat reaction of an aldehyde and an amine. In this system, it was found that the desired imine could be obtained in high yield by removing water under reduced pressure conditions. We found ...
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Pressure Induced Structural Phase Transition, Metallization and Superconductivity in KI
... the pressure dependence of Tc which has been observed experimentally ...gap, phase transition, metallization and superconductivity of KI and this necessitated further theoretical studies in this ...
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Pressure Induced Structural Phase Transition, Metallization and Superconductivity in SodiumIodide (NaI)
... high pressure. The ionic salt CsI is a metal under high pressure and as the pressure increases superconductivity sets in CsI ...structural phase transition and ...structural ...
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Pressure Induced Structural Phase Transition and Valence Change
... Hydrostatic pressure on a solid material has direct effect material changes its properties due to the modification of the electronic states of the constituent atoms of the ...structural phase ...
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High Pressure Band Structure, Density of States, Structural Phase Transition and Metallization in CdS
... Recently, pressure induced phase transition of CdS was investigated using Raman spectroscopy and in situ electrical resistivity measurement on DAC by Wang et al ...study pressure induced ...
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High-Pressure Structural Phase Transition in Neptunium Compounds
... work, pressure-induced structural phase transition and elastic properties of monochalcogenides of neptunium (NpX = Se, Te) are investigated using potential model that includes long range Coulombic ...
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Pressure-Induced Phase Transition and Stability of Lusb with Nacl-Type Structure
... 2 phase by minimization technique for U B1 and B U2 at different ...the pressure increases Δ G decreases and approaches to zero at the phase transition pressure (P t ...the phase ...
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Optimised atmospheric pressure CVD of monoclinic VO2 thin films with picosecond phase transition
... change in both the real and imaginary parts is observed, associated with the phase transition. While the sample shows a strong decrease in the real permittivity, we do not observe a transition to ...
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Optimised atmospheric pressure CVD of monoclinic VO2 thin films with picosecond phase transition
... Periodic optical pumping requires the sample to relax in-between subsequent excitation cycles. For background temperatures below the hysteresis loop, this can be achieved. However at higher temperatures, it is expected ...
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Pressure induced Phase Transition and Residual Stress Studies on a Meteorite Fall at Nathdwara,India
... High pressure XRD studies of olivine, the main constituent of our chondrite meteorite might enlighten properties of the meteorite hence measurements were carried out under hydrostatic (up to ...performed ...
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B1-to-B8 structural phase transition in MnO under pressure: Comparison of all-electron and pseudopotential approaches
... Hamiltonian is consistent and accurate. The discrepancy ap- pears and becomes visible when the high-spin to low-spin differences become involved in bonds. The localization of the d states due to the chemical environment ...
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Phase Transition of Shock Loaded ZrTiCuNiBe Bulk Metallic Glass under Continuous Heating
... and phase transition of BMGs is an interesting topic from a theoretical ...treating pressure (static high pressure), would have appreciable ...high pressure, at which the original BMG ...
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Int. J. of Engg. Sci. & Mgmt. (IJESM), Vol. 2, Issue 1: Jan-Mar: 2012, 86-90 25
... evaluated phase transition from graphical analysis in which the Gibb’s free energy difference ∆G=G(B1)-G(B3) corresponding to the above cohesive energies have been computed and plotted against the ...
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BAND STRUCTURE, METALLIZATION AND STRUCTURAL PHASE TRANSITION OF NABR UNDER HIGHPRESSURE
... symmetry directions -X-W-L--K and -H-N-P--N and the corresponding density of states of NaBr (Figures 1 to 4). The normal pressure band structure and density of states of NaBr is given in figures 1 and 2 ...
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Generic Conditions for Stable Hybrid Stars
... first-order phase transition between nuclear and quark matter, and that the surface ten- sion of the interface is high enough to ensure that the transition occurs at a sharp interface (Maxwell ...
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Ferromagnetic Quantum Critical Point Avoided by the Appearance of Another Magnetic Phase in LaCrGe3 under Pressure
... quantum phase transition (QPT), a phase transition that occurs at 0 K, have revealed a wide variety of enigmatic ...various phase diagrams with the occurrence of tricritical wings [1 – ...
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High Pressure Band Structure, Metallization and Superconductivity of ZnSe and CdSe
... high pressure band structure, density of states, metallization, structural phase transition and superconductivity of cubic zinc blende type zinc selenide (ZnSe) and cadmium selenide (CdSe) are ...
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Band Structure, Metallization and Superconducting Transition Of Group III V Semiconductors AlP And AlAs Under High Pressure
... of pressure on the band structure of these ...high pressure (CsCl) structure of these ...structural phase transition, metallization and superconducting transition temperature Tc and its ...
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High Pressure Phase Transformations under Severe Plastic Deformation by Torsion in Rotational Anvils
... observed under torsion of materials at fixed force in rotational Bridgman or diamond anvils are the possibilities (a) to lower PT pressure by a factor of 2 to 10 and more in comparison to compression ...
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