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Relevant bibliographies by topics / Superionic phase

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Academic literature on the topic 'Superionic phase'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Superionic phase"

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Kimura, Tomoaki, and Motohiko Murakami. "Fluid-like elastic response of superionic NH3 in Uranus and Neptune." Proceedings of the National Academy of Sciences 118, no. 14 (2021): e2021810118. http://dx.doi.org/10.1073/pnas.2021810118.

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Nondipolar magnetic fields exhibited at Uranus and Neptune may be derived from a unique geometry of their icy mantle with a thin convective layer on top of a stratified nonconvective layer. The presence of superionic H2O and NH3 has been thought as an explanation to stabilize such nonconvective regions. However, a lack of experimental data on the physical properties of those superionic phases has prevented the clarification of this matter. Here, our Brillouin measurements for NH3 show a two-stage reduction in longitudinal wave velocity (Vp) by ∼9% and ∼20% relative to the molecular solid in th

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Machado, K. D., J. C. de Lima, T. A. Grandi, et al. "Structural study of Cu2−x Se alloys produced by mechanical alloying." Acta Crystallographica Section B Structural Science 60, no. 3 (2004): 282–86. http://dx.doi.org/10.1107/s0108768104007475.

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The crystalline structures of the superionic high-temperature copper selenides Cu2−x Se (0 < x < 0.25) produced using mechanical alloying were investigated using X-ray diffraction (XRD). The measured XRD patterns showed the presence of peaks corresponding to the crystalline superionic high-temperature α-Cu2Se phase in the as-milled sample, and its structural data were determined by means of a Rietveld refinement procedure. After heat treatment in argon at 473 K for 90 h, this phase transforms to the superionic high-temperature α-Cu1.8Se phase, whose structural data were also determined b

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Raze, Rizwan, Xiao Di Wang, Ying Ma, Yi Zhong Huang, and Bin Zhu. "Enhancement of Conductivity in Ceria-Carbonate Nanocomposites for LTSOFCs." Journal of Nano Research 6 (June 2009): 197–203. http://dx.doi.org/10.4028/www.scientific.net/jnanor.6.197.

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This work first explores high resolution transmission electron microscopy (TEM) to determine the interfacial regions and provide experimental evidences for interfaces between the SDC and carbonate constituent phases of the SD-carbonate two-phase composites to further investigate the superionic conduction mechanism in the ceria-carbonate composite systems and enhancement of conductivity. Schober first reported interfacial superionic conduction in ceria-based composites but without direct experimental proofs. Such superionic conduction mechanism remains unknown. Especially, in the nano-scale, th

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Schwarz, Maximilian, Alf Mews, and August Dorn. "Superionic phase transition in individual silver selenide nanowires." Nanoscale 13, no. 17 (2021): 8017–23. http://dx.doi.org/10.1039/d1nr00491c.

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The superionic phase transition temperature in Ag<sub>2</sub>Se nanowires is diameter dependent and suppressed to below 100 °C. An increase in charge carrier density accompanied by a decrease in mobility was observed across the superionic phase transition.

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Schneider, Julius, and Wolfgang Schmahl. "Superionic phase transitions in anti-fluorite structures." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C72. http://dx.doi.org/10.1107/s2053273314099276.

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Fast ion conductors attract continuous and increasing interest in view of possible applications in battery technology. Early examples of superionic phase transitions in anti-fluorite type structures, where the small cations reside in a tetrahedral cage of large anions include Ag2Te [1]. At elevated temperatures anharmonic atom thermal displacements induce cation diffusion towards the large void formed by the central anion octahedron. Of the anti-fluorite structure type compounds Li2 X, where X=(O, S, Se, Te), the compounds Li2O and Li2S showed diffuse transitions to a superionic phase. Very re

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Fedoseev, A. I., S. G. Lushnikov, J. H. Ko, Seiji Kojima, and L. A. Shuvalov. "Specific Features of Brillouin Spectra at a High-Temperature Phase Transition in Cs₅H₃(SO₄)₄xnH₂O Crystals." Solid State Phenomena 115 (August 2006): 279–84. http://dx.doi.org/10.4028/www.scientific.net/ssp.115.279.

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This paper presents detailed Brillouin light scattering studies of the acoustic response of a Cs5H3(SO4)4xnH2O (PCHS) crystal in the vicinity of a superionic (superprotonic) structural phase transition of the first order. Just above the phase transition, splitting of the Brillouin doublet is observed. The ‘two-mode’ behavior of the longitudinal acoustic phonon can be explained by coexistence of phases at a structural phase transition of the first order. Above the phase transition, in the superionic phase, an additional doublet forbidden by the selection rules appears in a narrow temperature in

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Ильинский, А. В., та Е. Б. Шадрин. "Фазовый переход полупроводник--суперионик в кристаллах AgI". Физика твердого тела 65, № 9 (2023): 1507. http://dx.doi.org/10.21883/ftt.2023.09.56245.54.

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The electronic configuration of chemical bonds between ions forming the structure of the AgI superionics existing in three different crystal modifications is discussed: α-, β- and γ-phases.On the basis of the formulated schemes of hybridization of ion orbitals, the structural phase transitions γ->β and β->α occurring with increasing temperature are considered.It is shown that in the high-temperature superionic α-phase of the AgI crystal in an external electric field, along with an increase in electronic conductivity, hopping conductivity occurs due to a weakening of the coordination bond

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Aliev, A. É., V. F. Krivorotov, and P. K. Khabibullaev. "Specific heat and thermal conductivity of superionic conductors in the superionic phase." Physics of the Solid State 39, no. 9 (1997): 1378–82. http://dx.doi.org/10.1134/1.1130083.

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den Hartog, H. W., and J. van der Veen. "Superionic phase transition of doped fluorites." Physical Review B 37, no. 4 (1988): 1807–13. http://dx.doi.org/10.1103/physrevb.37.1807.

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Qian, Yin, Jin Zhang, Yi-Ming Wang, Wan-Wan Yao, Dong-Sheng Shao, and Xiao-Ming Ren. "Magnetic bistable organic ionic plastic crystal with room temperature ion conductivity comparable to NASICON and superionic conduction in a broad temperature window." Materials Chemistry Frontiers 6, no. 6 (2022): 793–801. http://dx.doi.org/10.1039/d1qm01573g.

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A radical salt experiences crystal–crystal and crystal–plastic crystal phase transitions with magnetic bistability and negative thermal expansion, high room-temperature ion-conduction in crystal phase and superionic conduction in plastic crystal phase.

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Dissertations / Theses on the topic "Superionic phase"

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Madamba, Maria Cecilia S. "Phase transitions in superionic PbSnF¦4." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ39072.pdf.

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Džiaugys, Andrius. "Influence of impurities on dielectric properties of ferroelectric and superionic crystals." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110628_134612-56944.

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Nowadays the ferroelectrics containing of several feroically active sublattices are very attractive, because interactions between these sublattices can caused novel phenomena. Antiferroelectrics, ferrielectrics and multiferoics belong to these materials. In this work new crystalline materials MNP2X6 (M = Cu, Ag; N=In, Cr, Bi; X=S, Se) were investigated, which have ferrielectric and multiferoic properties. The dielectric and electric properties of above mentioned materials have been investigated by broadband dielectric spectroscopy methods, which allows to analyze the collective processes relat

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Gardner, N. J. G. "Structure and dynamics of superionic conductors at high temperatures and high pressures." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325955.

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Мороз, М. В., М. В. Прохоренко, Б. П. Рудик, Б. Д. Нечипорук та Л. В. Соляк. "Термодинамічні властивості суперіонної фази Ag3SBr". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/40665.

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Hernandez, Jean-Alexis. "Ab initio modeling of dense water ices at extreme conditions of pressure and temperature." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN028/document.

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Dans cette thèse, nous étudions la stabilité et les propriétés des glaces d’eau de haute pression (entre 5 et 300 GPa) et de haute température (entre 300 et 2000 K) comportant ou non des inclusions de NaCl dans leur structure cristalline. Pour attendre ces conditions propres aux intérieurs des exoplanètes océans, nous utilisons une approche théorique basée sur des dynamiques moléculaires ab initio. Nous montrons que l’analyse de la dynamique des liaisons entre hydrogènes et oxygènes permet de distinguer toutes les phases de la glace présentant une structure cubique volume-centrée. En particuli

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Džiaugys, Andrius. "Priemaišų įtaka feroelektrinių ir superjoninių kristalų dielektrinėms savybėms." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2011. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2011~D_20110628_134724-71267.

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Šiai dienai ypač populiarūs ferroelektrikai susidedantys iš kelių feroiškai aktyvių subgardelių, kurių persitvarkymas fazinio virsmo temperatūroje atskleidžia naujų, dar neaprašytų reiškinių. Prie šių medžiagų priskiriami antiferoelektrikai, ferielektrikai ir multiferoikai. Šiame darbe buvo tiriama nauja medžiagų šeimos MNP2X6 (M = Cu, Ag; N=In, Cr, Bi; X=S, Se ), kurios pasižymi ferielektrinėmis bei multiferoinėmis savybėmis, ir kurių dielektrines ir elektrines savybes galima efektyviai keisti įvedant priemaišas. Minėtų medžiagų dielektrinės ir elektrinės savybės buvo tiriamos dielektrinės sp

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Madamba, Maria Cecilia S. "Phase transitions in superionic PbSnF₄." Thesis, 1998. http://spectrum.library.concordia.ca/664/1/MQ39072.pdf.

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PbSnF$\sb4$ is the highest performance fluoride ion conductor known to date. We have studied the phase transitions it undergoes under three different conditions: (i) versus the amount of hydrofluoric acid used for the preparation by the aqueous route, (ii) upon application of mechanical energy, and (iii) versus temperature. The addition of an aqueous solution of lead(II) nitrate to a fresh aqueous solution of SnF$\sb2$ results in the precipitation of $\alpha$-PbSnF$\rm\sb4(aq\sb1$), which is very highly strained in the ($\vec a,\vec b$) plane of the tetragonal unit-cell. If a very minor amoun

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Brown, David Ross. "Enhanced Thermoelectric Performance at the Superionic Phase Transitions of Mixed Ion-Electron Conducting Materials." Thesis, 2015. https://thesis.library.caltech.edu/8631/66/Brown_DR_2015.pdf.

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The quality of a thermoelectric material is judged by the size of its temperature de- pendent thermoeletric-figure-of-merit (zT ). Superionic materials, particularly Zn<sub>4</sub>Sb<sub>3</sub> and Cu<sub>2</sub>Se, are of current interest for the high zT and low thermal conductivity of their disordered, superionic phase. In this work it is reported that the super-ionic materials Ag<sub>2</sub>Se, Cu<sub>2</sub>Se and Cu<sub>1.97</sub>Ag<sub>0.03</sub>Se show enhanced zT in their ordered, normal ion-conducting phases. The zT of Ag<sub>2</sub>Se is increased by 30% in its ordered phase as comp

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Kostadinova, Ofeliya. "Raman spectroscopic study and dynamic properties of chalcogenide glasses and liquids." Thesis, 2009. http://nemertes.lis.upatras.gr/jspui/handle/10889/4095.

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Chalcogenide glasses (ChGs) are produced by alloying together a “chalcogen” element” (S, Se or Te) with other elements, generally from group V (Sb, As) or group IV (Ge, Si) to form covalently bonded solids. A variety of stable non-crystalline materials can be prepared in bulk, fiber, and thin film forms using melt-quenching, vacuum deposition, and other less common techniques. Being amorphous semiconductors, ChGs exhibit a variety of photo-induced phenomena when irradiated with proper light and therefore find a wide range of technological applications (optical data storage, telecommunications,

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Book chapters on the topic "Superionic phase"

1

Xiao, Chong. "Superionic Phase Transition Optimizing Thermoelectric Performance in Silver Chalcogenide Nanocrystals." In Springer Theses. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49617-6_2.

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Minami, Tsutomu, and Masahiro Tatsumisago. "Occurrence of High-Temperature α-Phase of AgI at Room Temperature in Superionic AgI-Ag2O-MXOy Glasses." In New Materials. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-08970-5_7.

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Zubkov, S. V., I. A. Parinov, and Yu V. Prus. "High-Temperature Superionic Conductivity of Mixed-Layer Perovskite-Like Compounds of the Aurivillius–Smolensky Phase Family Doped with 3d Metals." In Springer Proceedings in Materials. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-87677-6_23.

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Nield, Victoria M., and David A. Keen. "Superionic conductors." In Diffuse Neutron Scattering From Crystalline Materials. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198517900.003.0009.

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Abstract Superionic materials (or ‘fast-ion conductors’ or ‘solid electrolytes’) are ionic solids which possess exceptionally high values of electrical conductivity. Typical conductivites of up to 1 Ω−1cm−1 may be achieved, usually, but not exclusively, at high temperature. These values are comparable with the conductivity of molten ionic materials and are far higher than those of typical ionic solids (e.g. NaCl at room temperature has an ionic conductivity of &lt; 10−12 Ω1cm1). The high conductivity in certain ionic materials has been known about for over a century. Faraday (1839) reporte

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Yakshibaev, R. A., N. N. Mukhamadeeva, and R. F. Almukhametov. "Phase Transformations and Ionic Transport in the Cu₂ — ₃Te Superionic Conductor." In July 1988. De Gruyter, 1988. http://dx.doi.org/10.1515/9783112501306-012.

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Mizekis, R., J. Grigas, V. Samulionis, V. Skritski, A. I. Babanov, and L. A. Shuvalov. "Microwave and Ultrasonic Investigations of Superionic Phase Transitions in CsDSO₄ and CsDSeO₄." In December 16. De Gruyter, 1988. http://dx.doi.org/10.1515/9783112495544-014.

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"Microwave and Ultrasonic Investigations of Superionic Phase Transitions in CsDSO₄ and CsDSeO₄." In December 16. De Gruyter, 1988. http://dx.doi.org/10.1515/9783112480786-013.

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Matsunaga, Shigeki. "Distribution Difference of Ag and Cu Ions in the Superionic Conductive Phase of AgBr-CuBr System: An Approach towards Molecular Dynamics Simulation." In Newest Updates in Physical Science Research Vol. 11. Book Publisher International (a part of SCIENCEDOMAIN International), 2021. http://dx.doi.org/10.9734/bpi/nupsr/v11/10486d.

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Aliev, A. E., A. Sh Akramov, L. N. Fershtat, and P. K. Khabibullaev. "Mechanism of a Superion Phase Transition in a-LiIO₃." In July 1988. De Gruyter, 1988. http://dx.doi.org/10.1515/9783112501306-019.

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Conference papers on the topic "Superionic phase"

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Swain, Diptikanta, Venkata Srinu Bhadram, Gopal K. Pradhan, Chandrabhas Narayana, P. M. Champion, and L. D. Ziegler. "Superionic Phase Transition in KHSO[sub 4]." In XXII INTERNATIONAL CONFERENCE ON RAMAN SPECTROSCOPY. AIP, 2010. http://dx.doi.org/10.1063/1.3482698.

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SHIMOYAMA, TOMOTAKA, MASAJI ARAI, and TAKASHI SAKUMA. "CRYSTAL STRUCTURE OF THE SUPERIONIC PHASE OF CuAgSe." In Proceedings of the 1st International Discussion Meeting. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812706904_0005.

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Akdere, Ünsal, та Seçkin D. Günay. "The Structure and Transport Properties of β-Mg3Bi2 in Superionic Conduction and Molten Phase". У SIXTH INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION. AIP, 2007. http://dx.doi.org/10.1063/1.2733318.

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SHIMOJO, FUYUKI, MASARU ANIYA, and KOZO HOSHINO. "AB INITIO MOLECULAR-DYNAMICS SIMULATIONS OF SUPERIONIC PHASES OF Cu HALIDES AND Ag CHALCOGENIDES." In Proceedings of the 1st International Discussion Meeting. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812706904_0012.

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