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Готові списки джерел за темами / Solid-to-plasma transition

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Добірка наукової літератури з теми "Solid-to-plasma transition"

Автор: Grafiati

Опубліковано: 11 січня 2025

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Статті в журналах з теми "Solid-to-plasma transition"

1

Ferguson, Ken R., Maximilian Bucher, Tais Gorkhover, et al. "Transient lattice contraction in the solid-to-plasma transition." Science Advances 2, no. 1 (2016): e1500837. http://dx.doi.org/10.1126/sciadv.1500837.

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In condensed matter systems, strong optical excitations can induce phonon-driven processes that alter their mechanical properties. We report on a new phenomenon where a massive electronic excitation induces a collective change in the bond character that leads to transient lattice contraction. Single large van der Waals clusters were isochorically heated to a nanoplasma state with an intense 10-fs x-ray (pump) pulse. The structural evolution of the nanoplasma was probed with a second intense x-ray (probe) pulse, showing systematic contraction stemming from electron delocalization during the sol

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2

Dorchies, F., and V. Recoules. "Non-equilibrium solid-to-plasma transition dynamics using XANES diagnostic." Physics Reports 657 (October 2016): 1–26. http://dx.doi.org/10.1016/j.physrep.2016.08.003.

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3

Liu, Chen, Andriani Mentzelopoulou, Fotini Papagavriil, et al. "SEC14-like condensate phase transitions at plasma membranes regulate root growth in Arabidopsis." PLOS Biology 21, no. 9 (2023): e3002305. http://dx.doi.org/10.1371/journal.pbio.3002305.

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Protein function can be modulated by phase transitions in their material properties, which can range from liquid- to solid-like; yet, the mechanisms that drive these transitions and whether they are important for physiology are still unknown. In the model plant Arabidopsis, we show that developmental robustness is reinforced by phase transitions of the plasma membrane-bound lipid-binding protein SEC14-like. Using imaging, genetics, and in vitro reconstitution experiments, we show that SEC14-like undergoes liquid-like phase separation in the root stem cells. Outside the stem cell niche, SEC14-l

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4

Wang, Xin-Ke, Igor Veremchuk, Matej Bobnar, Jing-Tai Zhao, and Yuri Grin. "Solid solution Pb1−xEuxTe: constitution and thermoelectric behavior." Inorganic Chemistry Frontiers 3, no. 9 (2016): 1152–59. http://dx.doi.org/10.1039/c6qi00161k.

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The thermoelectric properties of polycrystalline materials on the basis of the solid solution Pb<sub>1−x</sub>Eu<sub>x</sub>Te prepared by spark-plasma-sintering are characterized. The solid solution undergoes a metal–semiconductor transition in parallel to the p–n transition around 500 K.

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5

FISHER, DIMITRI V., ZOHAR HENIS, SHALOM ELIEZER, and JUERGEN MEYER-TER-VEHN. "Core holes, charge disorder, and transition from metallic to plasma properties in ultrashort pulse irradiation of metals." Laser and Particle Beams 24, no. 1 (2006): 81–94. http://dx.doi.org/10.1017/s0263034606060137.

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We study the details of a gradual change in electron properties from those of a nearly-free-electron (NFE) metal to those of a strongly-coupled plasma, in ultrashort pulse energy deposition in solid metal targets. Time scales shorter than those of a target surface layer expansion are considered. Both the case of an optical laser (visible or near infrared wavelengths range) and of a free electron laser (vacuum ultraviolet or X-ray) are treated. The mechanisms responsible for the change in electron behavior are isochoric melting, lattice charge disordering, and electron mean free path reduction.

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6

Smirnova, K. V., D. A. Shutov, A. N. Ivanov, and V. V. Rybkin. "Plasma-solution synthesis of particles containing transition metals." Journal of Physics: Conference Series 2064, no. 1 (2021): 012096. http://dx.doi.org/10.1088/1742-6596/2064/1/012096.

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Abstract The paper proposes a new method for the synthesis of powders containing transition metals using a plasma-solution system. The reactor was an H-shaped glass cell, the two parts of which were separated by a cellophane membrane. A discharge consisting of two discharges - with a liquid cathode and a liquid anode - a high voltage is applied to titanium electrodes located above the surface of the solution. Aqueous solutions of zinc, iron, cadmium, cobalt, nickel, and copper nitrates were used as the liquid phase. Under the action of the discharge on the liquid anode, in the region of contac

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7

Singh, Swarnima, P. Bandyopadhyay, Krishan Kumar, M. G. Hariprasad, S. Arumugam, and A. Sen. "Transition of a 2D crystal to a non-equilibrium two-phase coexistence state." Physics of Plasmas 30, no. 4 (2023): 043704. http://dx.doi.org/10.1063/5.0139228.

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In this paper, we present experimental observation of the transition of a 2D dust crystal to a non-equilibrium solid–liquid phase coexistence state. The experiments have been carried out in an L-shaped dusty plasma experimental device in a DC glow discharge argon plasma environment. Initially, a monolayer crystalline structure is formed, which is later transformed to a two-phase coexistence state using the background neutral pressure as a control parameter. Self-excited horizontal oscillations are found in the center of the monolayer prior to the appearance of the coexistence state. It is obse

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8

Rao, Lin, Edward G. Gillan, and Richard B. Kaner. "Rapid synthesis of transition-metal borides by solid-state metathesis." Journal of Materials Research 10, no. 2 (1995): 353–61. http://dx.doi.org/10.1557/jmr.1995.0353.

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A rapid self-sustaining solid-state precursor route to transition-metal borides, boride solid solutions, and boride composites has been developed. Solid-state metathesis (SSM) reactions between transition-metal chlorides and magnesium boride (MgB2) produce crystalline borides and magnesium chloride. Boride solid solutions are formed using mixed chloride precursors. By using a third precursor, such as NaN3, boride-nitride composites are synthesized. The reaction products are characterized by powder x-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, and inductively

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9

Yeh, F. B., and P. S. Wei. "Effects of Plasma Parameters on the Temperature Field in a Workpiece Experiencing Solid-Liquid Phase Transition." Journal of Heat Transfer 127, no. 9 (2005): 987–94. http://dx.doi.org/10.1115/1.1999653.

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Анотація:

The heat transfer characteristics of a workpiece subject to plasma heating and melting are theoretically and systematically studied. Plasma etching, spray deposition, sputtering, cutting and surface treatment, etc., are usually controlled by energy transfer from plasma to workpieces. In this work, the one-dimensional unsteady conduction equation accounting for solid-liquid phase transition with distinct thermal properties in a workpiece is solved. The plasma is composed of a collisionless presheath and sheath on an electrically floating workpiece that partially reflects or secondarily emits io

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10

Tachibana, K., and Y. Hayashi. "Analysis of the Coulomb-solidification Process in Particle Plasmas." Australian Journal of Physics 48, no. 3 (1995): 469. http://dx.doi.org/10.1071/ph950469.

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The Coulomb-solidification process is analysed using Mie-scattering ellipsometry with the assistance of photography and scanning electron microscopy. Spherical monodisperse carbon particles are observed to grow in a methane plasma. The Coulomb-coupling parameter at the liquid-to-solid phase transition is evaluated to be around 200, which is close to the value predicted by a Monte Carlo simulation. The growth of monodisperse particles of pss: size having the same charge favours the formation of a Coulomb solid.

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Дисертації з теми "Solid-to-plasma transition"

1

Liotard, Romain. "Étude de la transition solide-plasma du polystyrène et de son influence sur les simulations de fusion par confinement inertiel en attaque directe." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0222.

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La fusion par confinement inertiel (FCI) en attaque directe est une méthode envisagée pour obtenir une réaction de fusion nucléaire en irradiant une cible avec plusieurs impulsions laser de haute intensité. Cette cible est une sphère constituée d'un matériau solide appelé ablateur (généralement du polystyrène), entourant un combustible de fusion (généralement du deutérium-tritium (DT) cryogénique). L'énergie apportée par l'irradiation laser provoque l'éjection de l’ablateur et l'implosion de la cible par effet fusée. Le travail mécanique exercé sur le point chaud (le centre de la cible) pendan

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Частини книг з теми "Solid-to-plasma transition"

1

Grimes, M. K., Y. S. Lee, and M. C. Downer. "Solid to Plasma Transition in Fs-Laser-Irradiated Fe: Collapse of the Spin-Orbit Gap." In Applications of High-Field and Short Wavelength Sources. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9241-6_20.

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2

Grimes, Mikal K., Yun-Shik Lee, and Michael C. Downer. "Vacuum Heating vs. Resonance Absorption in the Solid to Plasma Transition of fs-Laser-Irradiated Iron and Aluminum." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-72289-9_119.

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Тези доповідей конференцій з теми "Solid-to-plasma transition"

1

Tsui, Y. Y., A. Ng, Z. Chen, et al. "Ultrashort Laser Generated Warm Dense Matter - Transition from Solid to Plasma." In 2020 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2020. http://dx.doi.org/10.1109/icops37625.2020.9717870.

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2

Grimes, M. K., Y. S. Lee, and M. C. Downer. "Solid to Plasma Transition in fs-Laser-Irradiated Fe: Collapse of the Spin-Orbit Gap." In Applications of High Field and Short Wavelength Sources. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/hfsw.1997.the33.

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Quantitative measurements of the optical conductivity of iron under earth core conditions are important in modelling geomagnetism[1]. We approximate such conditions transiently[2] by exciting an Fe, and a control Al, surface in a vacuum or helium environment with 620 nm, 120 fs FWHM laser pulses with 105 peak-background contrast ratio at .6 ps focussed to peak intensities 1011 < I < 1015 W/cm2 on target. Figs. 1 and 2 present p- and s- polarized self-reflectivity R p,s (θ,I) for constant incident angle θ and peak intensity I, respectively. Geometric correction for the dependence of spot

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3

Sheshadri, Karthik, M. N. Manas, Shruti Raj, Narasimhaiah Ramesh, and T. S. Sheshadri. "An analytical formulation of the copper load solid to plasma transition problem when driven by a pulse forming network." In 2012 16th International Symposium on Electromagnetic Launch Technology (EML). IEEE, 2012. http://dx.doi.org/10.1109/eml.2012.6325052.

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4

Mulser, P., A. Al-Khateeb, D. Bauer, et al. "Scenarios of superintense fs laser pulses interacting with solids." In High Resolution Fourier Transform Spectroscopy. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/hrfts.1994.md5.

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Анотація:

When a superintense laser pulse inpinges on a solid the target is rapidly transformed into a ’’hot solid” followed by the transition to a hot dense plasma layer. In the presentation possible scenarios of such transitions are presented for laser irradiances ranging from I = 1016 Wcm-2 μm2 to I ≃ 1018 Wcm-2 μm2.

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5

Garbiec, Dariusz, Maria Wiśniewska, Mateusz Marczewski, et al. "Spark Plasma Sintering Of Tungsten Boride With Transition Metals Admixture." In World Powder Metallurgy 2022 Congress & Exhibition. EPMA, 2022. http://dx.doi.org/10.59499/wp225371814.

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Анотація:

To enhance the properties of tungsten diboride, solid solutions of this ceramic with transition metals such as titanium, zirconium, and tantalum were synthesized by spark plasma sintering from the pure elements. The metallic content was in all cases 24 at.%. The specimens were characterized using scanning electron microscopy and energy-dispersive X-ray spectroscopy for microstructure analysis, X-ray diffraction for phase identification as well as measurements of density and electrical conductivity. Based on the analysis of sintering curves, two stages of reactive spark plasma sintering were ob

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6

Nickles, P. V., V. N. Shlyaptsev, M. P. Kalachnikov, M. Schnuerer, T. Schlegel, and W. Sandner. "Dual pulse pumping of efficient, short pulse table top X-ray lasers." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/up.1996.tue.11.

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We report on the first realization of efficient x-ray lasers using transient gain in collisionally excited neon-like ions. These lasers are working on a double pulse excitation scheme proposed by us in 1993 [1] for solid and foil targets.In a first step, a long ns- pump pulse produces a plasma column of the desired neon-like ions with both a uniform electron density and temperature.The second but short ps- pump pulse arrives at the preformed plasma after a certain delay and heats it up very rapidly, producing very efficiently a transient gain. Lasing was experimentally realized on the 3p-3s tr

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7

Smirnova, K. V., D. A. Shutov, A. N. Ivanov, and V. V. Rybkin. "Plasma-solution synthesis of a solid phase from solutions of iron and cobalt nitrates of various concentrations." In 8th International Congress on Energy Fluxes and Radiation Effects. Crossref, 2022. http://dx.doi.org/10.56761/efre2022.n1-o-046701.

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The solution of the fundamental problem of the physicochemical interaction of plasma with solutions of transition metal salts has practical applications in the field of creating new materials and purifying water from heavy metal ions. Plasma-solution synthesis has established itself as a simple and effective method for obtaining ultrafine materials with new properties. The formation of precipitation under the action of atmospheric pressure glow discharge on an iron and cobalt nitrates solution, which was the anode, was studied. It turned out that the rate of formation increases with an increas

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8

Barber, David, H. A. Calderón, Julio Quintero, and Francisco C. Robles Hernandez. "Synthesis of Carbon Nanostructures by Thermo-Mechanical Means." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89866.

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Different C phases have been developed by mechanical milling, conventional heat treatments and Spark Plasma Sintering of C soot and transition metals (Fe or Ni). Transition metals are known to catalyze the development of different C phases. The energy input involved in such a processing method has been used to develop composite and ceramic materials made of transition metals and fullerenes and C soot. The as milled samples as well as the sintered composites show various dispersions of diamonds, fullerenes, carbon nanotubes, graphitic carbon, graphenes, among other nanostructures. Thus milling,

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9

Torrell, M., I. G. Cano, J. M. Miguel, J. M. Guilemany, M. A. Laguna-Bercero, and V. M. Orera. "Solid Oxide Fuel Cells Produced by Atmospheric Plasma Spray Technology: Structural and Electrochemical Characterization." In ITSC 2012, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. ASM International, 2012. http://dx.doi.org/10.31399/asm.cp.itsc2012p0627.

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Abstract The use of ceramic materials in the production of solid oxide fuel cells (SOFCs) is one of the most innovative applications of these materials in recent years. The aim of this work is to assess how to obtain a complete, self-assembled SOFC (supported by electrolyte) using atmospheric plasma spray (APS) to spray the three different ceramic layers of the assembly. One of the main problems of SOFC production is the high cost of the process; the hypothesis is that these costs can be reduced by forming the three ceramic layers of the SOFC by APS technology. The anode (YSZ-NiO), cathode (LS

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10

Luk, T. S., McPherson, D. Tate, et al. "X-Ray Spectral Determination of Electron Density in Dense Laser-Excited Targets*." In Short Wavelength Coherent Radiation: Generation and Applications. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/swcr.1991.tua1.

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Plasmas produced by subpicosecond laser excitation of solid targets can produce bright short x-ray pulses[1] for x-ray laser pumping[2]. This type of plasma is unusual because it is hot (electron temperature in keV range), dense (near solid density) and highly non-equilibrium. It is particularly advantageous to use subpicosecond excitation to investigate this type of plasma, since expansion of the plasma can be quite small under this condition. Furthermore, it has been found that the prepulse associated with typical high-power ultraviolet laser systems does not Interfere with the subpicosecond

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