Academic literature on the topic 'Tetratic Phase'

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Journal articles on the topic "Tetratic Phase"

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Terao, Takamichi. "Tetratic phase of Hertzian spheres: Monte Carlo simulation." Journal of Chemical Physics 139, no. 13 (2013): 134501. http://dx.doi.org/10.1063/1.4822101.

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WOJCIECHOWSKI, K. W., and D. FRENKEL. "TETRATIC PHASE IN THE PLANAR HARD SQUARE SYSTEM?" Computational Methods in Science and Technology 10, no. 2 (2004): 235–55. http://dx.doi.org/10.12921/cmst.2004.10.02.235-255.

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Liu, Huaqing, Yiwu Zong, Zhanglin Hou, Thomas G. Mason, and Kun Zhao. "Phase behavior of rotationally asymmetric Brownian kites containing 90° internal angles*." Chinese Physics B 30, no. 12 (2021): 124701. http://dx.doi.org/10.1088/1674-1056/ac306c.

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Previous Monte Carlo simulations have shown that ordered tetratic phases can emerge in a dense two-dimensional Brownian system of rotationally asymmetric hard kites having 90° internal angles. However, there have been no experimental investigations yet to compare with these simulation results. Here, we have fabricated two types of micron-sized kites having internal angles of 72°–90°–108°–90° and 72°–99°–90°–99°, respectively, and we have experimentally studied their phase behavior in two-dimensional systems. Interestingly and in contrast to the Monte Carlo simulations, the experimental results
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Martínez-Ratón, Yuri, and Enrique Velasco. "Effect of clustering on the orientational properties of a fluid of hard right isosceles triangles." Physics of Fluids 34, no. 3 (2022): 037110. http://dx.doi.org/10.1063/5.0085281.

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Recent studies have shown the fluid of hard right triangles to possess fourfold and quasi-eightfold (octatic) orientational symmetries. However, the standard density-functional theory for two-dimensional anisotropic fluids, based on two-body correlations, and an extension to incorporate three-body correlations fail to describe these symmetries. To explain the origin of octatic symmetry, we postulate strong particle clustering as a crucial ingredient. We use the scaled particle theory to analyze four binary mixtures of hard right triangles and squares, three of them being extreme models for a o
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Luo, Mingjian, Qingfa Wang, Xiangwen Zhang, and Bing Hu. "The Reactants’ Phase State: A Nonnegligible Factor in Tetralin Hydrogenation Catalysts Evaluation." International Journal of Chemical Engineering 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/405703.

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The effects of reactants’ phase states (gas-liquid and single gas phase) on tetralin hydrogenation were investigated in the fixed bed. The kinetics of tetralin hydrogenation under different phase states was analyzed. Results showed that, without phase transition, the tetralin conversion increased with the rise of temperature. However, it decreased dramatically around the dew point of the feed at which the reactants’ phase state transferred from gas-liquid phase into gas phase. It was also observed that the gas-liquid phase state was favorable to reduce the deactivation of catalyst in the tetra
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Kulkarni, Bheemashankar A., and A. Ganesan. "Solid-phase synthesis of tetramic acids." Tetrahedron Letters 39, no. 24 (1998): 4369–72. http://dx.doi.org/10.1016/s0040-4039(98)00703-5.

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Matthews, Jay, and Ralph A. Rivero. "Solid-Phase Synthesis of Substituted Tetramic Acids." Journal of Organic Chemistry 63, no. 14 (1998): 4808–10. http://dx.doi.org/10.1021/jo972234f.

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Endres, Helmut. "Two Modifications of Di[tetra(methylthio)tetrathiafulvalenium] Hexachlorodicuprate(II), [(TTM-TTF)+]2[Cu2Cl6]2-." Zeitschrift für Naturforschung B 42, no. 1 (1987): 5–11. http://dx.doi.org/10.1515/znb-1987-0103.

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Two crystalline phases of (TTM-TTF)2Cu2Cl6, TTM-TTF = tetra(methylthio)tetrathia- fulvalene, C10H12S8, have been obtained by interdiffusion of solutions of TTM-TTF and CuCl2. Both phases crystallize in the triclinic space group P 1̄ withZ = 1, Mr = 1117.28. Phase I: a = 8.591(3), b = 11.314(6), c = 11.868(6) Å, α = 63.44(3), β = 88.13(3), γ = 74.28(3)°, V = 988.0 Å3, dc = 1.88 g cm-3, final Rw= 0.033 for 4244 reflections and 211 variables. Phase II: a = 8.871(3), b = 10.632(3), c = 12.505(3) Å, α = 109.70(2), β = 106.10(3), γ = 102.63(3)°, V = 1003.2 Å3, dc = 1.85 gem-3, final Rw = 0.036 for 3
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OHTA, KAZUCHIKA, MASAHIRO ANDO, and IWAO YAMAMOTO. "Discotic Liquid Crystals of Transition metal Complexes 23: Synthesis and Mesomorphism of Tetrakis(3,4-di-n-alkylphenyl)porphyrin Derivatives and Their Metal Complexes." Journal of Porphyrins and Phthalocyanines 03, no. 04 (1999): 249–58. http://dx.doi.org/10.1002/(sici)1099-1409(199904)3:4<249::aid-jpp129>3.0.co;2-i.

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Five novel long-chain-substituted porphyrin derivatives, tetrakis(3,4-dialkylphenyl)porphyrins (abbreviated as (Cn)8 TPPH 2 (n = 8, 12, 18), ( C 18)8 TPPCu and ( C 18)8 TPPNi ), were synthesized and their mesomorphism was investigated. It was found that the (Cn)8 TPPH 2 (n = 8, 12), derivatives are isotropic liquids at room temperature and that each of the ( C 18)8 TPPM ( M ≡ H 2, Cu , Ni ) derivatives has two liquid crystal phases M1 and M2 and two unidentified phases X1 and X2. It was revealed by X-ray studies that the M2 phase is a discotic lamellar (DL) phase. Interestingly, these porphyri
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Liu, Zhanxiang, Xiuxiu Ruan, and Xian Huang. "A facile solid phase synthesis of tetramic acid." Bioorganic & Medicinal Chemistry Letters 13, no. 15 (2003): 2505–7. http://dx.doi.org/10.1016/s0960-894x(03)00502-x.

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Dissertations / Theses on the topic "Tetratic Phase"

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Bonnefond, Pierre. "Elaboration à basse température par MOCVD de revêtements de nitrures et carbonitrures de vanadium à partir du tetrakis (diethylamido) vanadium." Toulouse, INPT, 1997. http://www.theses.fr/1997INPT014G.

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Le complexe metal-organique, tetrakis (diethylamido) vanadium : v(net#2)#4 est utilise comme precurseur pour l'elaboration de revetements de nitrures et carbonitrures de vanadium a basse temperature par depot chimique en phase vapeur (mocvd). Des films microcristallins sont obtenus a pression reduite, en mur chaud pour des temperatures inferieures a 500c. Le developpement d'un appareillage supportant un degazage sous-vide secondaire avant la phase de depot a permis l'elaboration de films dont la contamination par l'oxygene o#2 est inferieure a 2% at. Lorsque v(net2)4 est utilise comme monosour
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Narayan, Vijay. "Phase Behaviour & Dynamics Of An Agitated Monolayer Of Granular Rods." Thesis, 2008. https://etd.iisc.ac.in/handle/2005/898.

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In this thesis we have explored the no equilibrium phase behavior and dynamics of an agitated monolayer of macroscopic rod-like particles. The main objective of this thesis was to highlight the ways in which even the simplest nonequilibrium 2Dliquid-crystallinen system differs qualitatively from its thermal equilibrium counter part. One major finding of ours is the extreme sensitivity to shape in these nonequilibrium systems. In chapter 3 we saw that tapering the ends of the particles induced a change from 2–fold ordering to 4–fold ordering. As far as we know, this is the first experimenta
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Narayan, Vijay. "Phase Behaviour & Dynamics Of An Agitated Monolayer Of Granular Rods." Thesis, 2008. http://hdl.handle.net/2005/898.

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In this thesis we have explored the no equilibrium phase behavior and dynamics of an agitated monolayer of macroscopic rod-like particles. The main objective of this thesis was to highlight the ways in which even the simplest nonequilibrium 2Dliquid-crystallinen system differs qualitatively from its thermal equilibrium counter part. One major finding of ours is the extreme sensitivity to shape in these nonequilibrium systems. In chapter 3 we saw that tapering the ends of the particles induced a change from 2–fold ordering to 4–fold ordering. As far as we know, this is the first experimental
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Reports on the topic "Tetratic Phase"

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Malandra, James. The gas-phase thermal chemistry of tetralin and related model systems. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10115289.

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Gajewski, J. J., and G. C. Paul. Gas and liquid phase pyrolysis of tetralin: A reconciliation of apparently contradictory data. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/7172244.

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Gajewski, J. J., and G. C. Paul. Gas and liquid phase pyrolysis of tetralin: A reconciliation of apparently contradictory data. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/10176955.

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