Academic literature on the topic 'Baryum ion'

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Journal articles on the topic "Baryum ion"

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Costantini, J. M., F. Brisard, A. Meftah, M. Toulemonde, and F. Studer. "Damage of M-type baryum hexaferrites induced by GeV-heavy ion irradiations." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 106, no. 1-4 (December 1995): 567–72. http://dx.doi.org/10.1016/0168-583x(95)00771-7.

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Costantini, J. M., F. Brisard, A. Meftah, M. Toulemonde, and F. Studer. "Erratum to: “Damage of M-type baryum hexaferrites induced by GeV-heavy ion irradiations“ [Nucl. Instr. and Meth. B 106 (1995) 567–572]." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 114, no. 3-4 (July 1996): 408. http://dx.doi.org/10.1016/0168-583x(96)80074-7.

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Yang, Bei, Xiang Zhang, Xin Ge Shi, Jia Neng Guo, Qi Wei Wang, Ge Gao, Xin Liu, Jin Zhi Lin, and Hai Bo Jin. "Study in Kinetics of Barium Sulfate Crystallization Process of Oilfield Injection." Advanced Materials Research 962-965 (June 2014): 757–61. http://dx.doi.org/10.4028/www.scientific.net/amr.962-965.757.

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With conductivity measurement in different concentrations of barium chloride, sodium sulfate, sodium chloride solution, their concentration-conductivity equation is obtained. Through mathematical conversion, the relation between sulfuric acid root ion in the solution, barium ion conductivity and the concentration is showed as: X=4.1744×10-6Y-6.8544×10-5,which is used to reflect the undissolved salt barium sulfate crystallization in the solution. Conductivity online measuring device is established, which can Intermittently test barium chloride, sodium sulfate solution of different concentrations, and detect the change of electrical conductivity in the process of crystallization of homogeneous barium sulfate in real-time. the different stages of crystallization process is determined by analysis of the conductivity curve. Through data processing to concert concentration into conductivity, so that the kinetic equation of barium sulfate crystallization process are obtained.
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Hekmt, Wasan Abd Alsatar. "Preparation and study the structure of pure and impure barium titanate with Mg2+ ion." Iraqi Journal of Physics (IJP) 16, no. 37 (September 11, 2018): 178–89. http://dx.doi.org/10.30723/ijp.v16i37.89.

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Pure and doped barium titanate with Mg2+ ion at two molar ratios x= (5%, 10%) mol. has been synthesized by solid state reaction technique. The powders sintered at two temperatures (1000 °C and 1400 °C). An XRD technique was used in order to study the crystal structure of pure and doped barium titanate, which confirmed the formation of the tetragonal phase of BaTiO3, and then calculate the lattice parameters of pure and doped barium titanate, the addition of magnesium ion Mg2+ can lead to decreases lattice parameters.
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Hekmt, Wasan Abd Alsatar. "Preparation and study the structure of pure and impure barium titanate with Mg2+ ion." Iraqi Journal of Physics (IJP) 16, no. 37 (December 11, 2018): 190–98. http://dx.doi.org/10.30723/ijp.v16i37.91.

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Pure and doped barium titanate with Mg2+ ion at two molar ratios x= (5%, 10%) mol. has been synthesized by solid state reaction technique. The powders sintered at two temperatures (1000 °C and 1400 °C). An XRD technique was used in order to study the crystal structure of pure and doped barium titanate, which confirmed the formation of the tetragonal phase of BaTiO3, and then calculate the lattice parameters of pure and doped barium titanate, the addition of magnesium ion Mg2+ can lead to decreases lattice parameters.
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Zuo, Cheng Gang, An Xian Lu, Li Gang Zhu, and Wo Yun Long. "Luminescence of Ce 3+ or Tb 3+ in Lithium-Barium-Gadolinium-Aluminosilicate Oxyfluoride Glasses." Advanced Materials Research 239-242 (May 2011): 468–71. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.468.

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Ce3+ or Tb3+ ions activated lithium-barium-gadolinium-aluminosilicate oxyfluoride glasses have been prepared. The transmission, emission and excitation spectra were measured. It has been found that those Ce3+ or Tb3+-doped lithium-barium-gadolinium-aluminosilicate oxyfluoride glasses exhibit good UV-excited luminescence. Energy transfer process from Gd3+ ion to Ce3+ or Tb3+ ion is indicated.
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Yum, Dahyun, Debashis De Munshi, Tarun Dutta, and Manas Mukherjee. "Optical barium ion qubit." Journal of the Optical Society of America B 34, no. 8 (July 19, 2017): 1632. http://dx.doi.org/10.1364/josab.34.001632.

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Nazarenko, Alexander Y. "Crystal structure of strontium and barium acesulafame (6-methyl-4-oxo-4H-1,2,3-oxathiazin-3-ide 2,2-dioxide)." Acta Crystallographica Section E Crystallographic Communications 74, no. 5 (April 24, 2018): 698–702. http://dx.doi.org/10.1107/s2056989018006059.

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Both strontium and barium acesulfames, namely poly[aquabis(μ3-6-methyl-2,2-dioxo-1,2λ6,3-oxathiazin-4-olato)strontium(II)], [Sr(C4H4NO4S)2(H2O)]n, and the barium(II) analogue, [Ba(C4H4NO4S)2(H2O)]n, crystallize in nearly identical isotypic forms, with barium–oxygen interatomic distances being longer due to the larger ionic radius of the barium(II) ion. The coordination number of the metal ion is 9; the coordination polyhedra can be described as distorted capped square antiprisms [Johnson solidJ10; Johnson (1966).Can. J. Math.18, 169–200]. The conformation of the acesulafame ions is a distorted envelope with an out-of-plane S atom. Metal and acesulfame ions are assembled into infinitive chains along the [100] axis. These chains are connectedviahydrogen bonds into a three-dimensional network.
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Takeda, Shoichi, Satoshi Yasuda, Chikako Moriyoshi, Yoshihiro Kuroiwa, Atsushi Honda, Noriyuki Inoue, Shin'ichi Higai, and Akira Ando. "Substitution Effects of Gd and Mg on Cubic Structure of Barium Titanate." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C77. http://dx.doi.org/10.1107/s2053273314099227.

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Barium titanate BaTiO3 is a ferroelectric oxide with low dielectric loss and high permittivity, which makes it a good insulator for industrial uses. However, the pure barium titanate is not always used for electronic devices. Gd- and Mg-doping in barium titanate is effective for the dielectrics in multilayer ceramic capacitors MLCCs, for example, to attain the uniform temperature-variation of dielectric constants in the wide temperature-range where MLCCs are practically used, while the Curie temperature is significantly decreased [1]. In this study, the structural characteristics of Gd- and Mg-substituted barium titanate (Ba,Gd)(Ti,Mg)O3 (BGTM) in the cubic phase were investigated to clarify the effects of Gd- and Mg-substitution on the crystal structure and the chemical bonding. Synchrotron radiation x-ray powder diffraction measurements were carried out using the BGTM samples with the Mg content of x = 0 ~ 0.1. Lattice parameters, substitution sites of the Gd and Mg ions, thermal parameters, and electron charge density distributions in the crystals were analyzed by using the maximum entropy method (MEM)/Rietveld method. The Curie temperature decreased with increasing x. The phase transition did not take place in BGTM with x > 0.05. The Gd ion was confirmed to be substituted for the Ba ion with larger thermal vibration amplitude than that of the Ba ion. The amplitude was almost independent of the Gd content. It was revealed that the Gd ion occupied the off-centered positions slightly form the Ba-site along the <100> directions at lower temperatures. Difference in thermal behaviors of the Gd and Ba ions can be attributed to the size difference between the smaller Gd ion and the larger Ba ion. The Mg ion was observed on the Ti-site. The substitution of the Mg ion for the Ti ion suppresses the ferroactivity of the Ti ion, which causes the lowering of the Curie temperature.
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NOMURA, TOSHIYUKI, TOSHIHIRO MORI, and YASUHIRO KONISHI. "SHAPE AND SIZE CONTROL OF BARIUM COMPOUND NANOPARTICLES USING MICROEMULSION." International Journal of Nanoscience 06, no. 02 (April 2007): 155–59. http://dx.doi.org/10.1142/s0219581x07004420.

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The shape and size control of barium compound nanoparticles (barium chromate, barium sulfate, barium carbonate) was examined using the water-in-oil microemulsion as nanometer-sized reaction medium. The barium compound nanoparticles were synthesized using the microemulsion formed by AOT as an anionic surfactant and iso-octane as an organic solvent. Chromate, sulfate, or carbonate-containing microemulsion solution and Ba(AOT) 2 reverse micelle solution were mixed. After a few days, the morphology of the product material was observed using TEM. Then, bundle of the nanowire, chain structure of the nanorod, superlattice structure of the nanodot, and dispersed nanodot were synthesized by changing material concentration and material molar ratio. It has been shown that the aspect ratio of the generated particles decreased with increase in the anionic ion concentration. In contrast, the aspect ratio did not change even if the barium ion concentration changed. The surfactant AOT has selectively adsorbed on the specific crystal faces and suppressed their crystal growth. And, the generated particles were self-organized by the hydrophobic interaction of hydrophobic group of the AOT molecule adsorbed onto the particle. In conclusion, it was clarified that the supersaturation ratio and the particle–surfactant interaction were important factors for controlling the shape and size of the inorganic nanoparticles.
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Dissertations / Theses on the topic "Baryum ion"

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Guevar, Célia. "Etude du couplage échange d’ions - coprécipitation avec des sorbants minéraux au Ba : application à la décontamination sélective en 90Sr d’effluents liquides radioactifs." Thesis, Montpellier, Ecole nationale supérieure de chimie, 2017. http://www.theses.fr/2017ENCM0011.

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Cette thèse s’inscrit dans le domaine de la décontamination des effluents aqueux radioactifs, fortement salins et contenant plus spécifiquement du 90Sr.Deux échangeurs ioniques contenant des ions Ba2+, un titanate de baryum et une zéolithe LTA au baryum, ont été étudiés pour extraire le Sr de ce type d’effluents. L’originalité de ces extractants tient dans leur double mécanisme d’extraction du strontium : d’une part, le strontium en solution est extrait principalement par échange d’ions avec les ions Ba2+ du matériau ; et d’autre part, les ions Ba2+ libérés en solution précipitent à la surface de l’échangeur ionique avec les sulfates présents dans l’effluent et entraînent le Sr par un second mécanisme de coprécipitation. La coprécipitation du strontium avec le sulfate de baryum est cruciale au sens où elle conduit à une sélectivité élevée pour le strontium vis-à-vis du calcium. Cette étude mécanistique et comparative ouvre la voie au développement de nouveaux sorbants sélectifs du strontium.La zéolithe au baryum, qui s’avère plus performante (meilleures capacité et sélectivité) que le titanate de baryum pour le traitement d’effluents salins, a été évaluée pour une utilisation dans des procédés de types industriels (réacteur agité et colonne). Des expériences menées à sursaturation ou proportion des réactifs de précipitation [SO4]/[Ba] variables permettent d’identifier les conditions optimales d’utilisation des poudres de zéolithe au baryum en réacteur agité de type batch. Ces résultats montrent tout le potentiel de ce matériau en remplacement du procédé actuel de coprécipitation en réacteur agité mis en œuvre dans les STEL. Des billes de zéolithe au baryum ont également été évaluées pour le traitement des effluents en procédé continu de type colonne. La cinétique de diffusion des ions dans le matériau s’avère limitante pour ce procédé continu et la mise en forme du matériau reste à optimiser.Mots-clés : décontamination, strontium, sélectivité, échange d’ions, titanate, zéolithe LTA, coprécipitation, sulfate de baryum
This thesis concerns the treatment of radioactive wastewaters, specifically 90Sr containing highly saline effluents.Two types of Ba2+ containing ion exchange materials were examined as possible Sr sorbents: a barium titanate and a barium zeolite LTA. The extractants originality lies in its double extraction mechanism. Firstly, the majority of the Sr present in the solution is removed via ion exchange with the Ba present in the sorbent. A secondary process then sees the now free Ba precipitate onto the sorbents surface as BaSO4. The effluent itself is the sulfate source. This precipitation reaction initiates a second coprecipitation reaction with the remaining Sr. Strontium coprecipitation with barium sulfate is crucial to leading to a high strontium selectivity in the presence of calcium. This thesis outlines a mechanistic and comparative study which will hopefully open the way to the development of new strontium selective sorbents.The barium zeolite, which is more efficient (higher capacity and selectivity) than the barium titanate for treatment of saline effluents, was evaluated for use in industrial type processes (stirred reactor and column). Experiments conducted with variable supersaturation or molar ratio [SO4]/[Ba] allowed us to identify optimal conditions for the use of barium zeolite powders in batch type stirred reactor. These results demonstrate the potential of this material to replace the current coprecipitation process in stirred reactors, which is carried out in effluent treatment plants. Barium zeolite beads were also evaluated for effluent treatment in a column type continuous process. Ion diffusion kinetics in the material were shown to be limiting for this continuous process. The material shaping has still to be optimized.Keywords: decontamination, strontium, selectivity, ion exchange, titanate, zeolite LTA, coprecipitation, barium sulfate
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AL-NEAMI, KADOM ANAM. "Mesure des sections efficaces de production des rayons x : :(l) des elements ::(56)ba, ::(57)la, ::(58)ce par des protons de 1 mev-3,5 mev." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13172.

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Mesures dans des cibles epaisses de sulfates et d'oxydes, dans des cibles minces d'oxydes disposees sur des couches minces de carbone et dans des cibles epaisses de tetraborate de li dope par equiv. A 1% de ba, la ou ce sous forme de sulfate ou d'oxyde. Bon accord avec les previsions theoriques et avec les valeurs experimentales trouvees pour des elements voisins
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Hartmann, Cintia. "Développement du modèle d’ion polarisable pour la modélisation de BaTiO3." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC012/document.

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Les composés à base de matériaux ferroélectriques présentent un large éventail de propriétés d'un grand intérêt fondamental et industriel. Ils possèdent un couplage entre la polarisation, la contrainte, le champ électrique et la température et trouvent application dans les dispositifs à l'échelle nanométrique. Les ferroélectriques sont aujourd'hui par exemple déjà utilisés dans les condensateurs, les mémoires, les capteurs et les actionneurs. Afin de comprendre la relation entre leurs propriétés physiques exceptionnelles et leur structure, des méthodes numériques capables de simuler à l'échelle nanométrique sont souhaitées. Pour ce faire, le modèle d'ions polarisables (PIM) est appliqué, modèle dans lequel les ions sont considérés comme des espèces polarisables possédant des charges nominales. En regard des techniques de modélisation actuelles, l'utilisation de charges nominales devrait faciliter l'inclusion de diverses compositions et l'étude des défauts et des effets de surface. Les paramètres du PIM sont dérivés par une procédure d'ajustement sur des données de références obtenues par des calculs avec la théorie de la fonctionnelle de la densité (DFT). Pour une première étape vers la modélisation ferroélectrique avec PIM, l'accent est mis sur le développement d'un potentiel d'interaction pour le prototype ferroélectrique BaTiO3. BaTiO3 présente une séquence complexe de transition de phase (rhomboédrique, orthorhombique, tétragonale, cubique) qui est liée à de petites différences d'énergie de l'ordre de quelques meV/unité de formule. Pour cette raison, le développement d'un potentiel d'interaction pour BaTiO3 nécessite une grande précision pour décrire correctement l’équilibre entre les interactions à courte et à longue portée. Il a été démontré au cours de ce travail que des effets asymétriques du nuage d'électrons par rapport au noyau seraient nécessaires pour une représentation précise des forces à courte portée. Puisque de tels effets ne sont pas inclus dans le PIM, des erreurs de compensation dans la procédure d'ajustement entre les interactions à courte et à longue portée sont permises afin d'obtenir le meilleur ajustement global. Le PIM développé pour BaTiO3 reproduit plusieurs propriétés à température nulle. À température finie, le PIM prédit que la phase rhomboédrique sera stable jusqu'à 160K. Dans la plage de température comprise entre 160K et 210K, de fortes fluctuations de la polarisation et des paramètres de maille sont observées et aucune phase bien définie ne peut être distinguée. A partir de 210K, la phase cubique paraélectrique est atteinte. Le modèle PIM développé dans cette thèse peut être appliqué à des études à basse température dans la phase ferroélectrique rhomboédrique. Il peut donc être utilisé pour étudier les effets de surface ou des lacunes d'oxygène dans la phase rhomboédrique de BaTiO3
Ferroelectric based compounds present a wide range of properties which are from great fundamental and industrial interest on nanoscale. Ferroelectric based compounds possesses strong coupling between polarization, stress, electric field and temperature and are nowadays already used in capacitors, memories, sensors, and actuators. In order to understand the relationship between microstructure and the outstanding properties, numerical methods able to simulate at nanoscale are disired. For this propose, the Polarizable Ion Model (PIM) is employed that treats the ions as polarizable species with nominal charge. In comparison to current modelisation techniques, the use of nominal charges should facilitate the inclusion of various materials composition and the study of defect and surface effects. The pametrization of the model is derived by a fit on ab initio DFT reference calculations. For a first step towards ferroelectric modelling with PIM, the focus lies on the developpment of an interaction potential for the prototyp ferroelectric BaTiO3. BaTiO3 presents a complex phase transition sequence (rhombohedral, orthorhombic, tetragonal, cubic) that is related to small energy differences of the order of some meV/formula unit. Thus, the development of a reliable interaction potential requires high precision and a correct description of the balance between short range and long range interactions. It has been demonstrated during this work that for an accurate representation of the short range forces asymmetric size effects of the electron cloud with respect to the nucleus would be necessary. As such size effects are not included in the PIM, compensation errors in the fitting procedure between short range and long range interactions are allowed in order to obtain the best global fit. The developed PIM model reproduces several zero temperature properties of BaTiO3. At finite temperature the PIM predicts the rhombohedral phase to be stable up to 160K. In the temperature range between 160K and 210K strong fluctuations in polarization and cell parameters are observed and no well-defined phase can be distinguished. From 210K on, the average paraelectric cubic phase is reached
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Bergeron, Hervé. "Étude des potentiels effectifs par les symétries et supersymétries : applications aux atomes excités en couche interne et externe, ainsi qu'aux ions moléculaires." Paris 11, 1988. http://www.theses.fr/1988PA112010.

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Dans une première partie, nous avons développé une méthode systématique permettant la détermination des propriétés locales des potentiels effectifs adaptés à la description des interactions entre un cœur ionique et un électron. Cette analyse est basée sur l'interprétation du spectre expérimental en terme de brisure de symétrie. Pour chaque atome, ceci permet de déterminer des conditions locales strictes sur le potentiel effectif inconnu. Par ailleurs, cette méthode conduit à utiliser les aspects supersymétriques du problème hamiltonien et permet de montrer qu'un modèle à potentiel central contenant des états de cœur peut être transformé en une autre représentation utilisant un potentiel non local sans état virtuel. Nous avons appliqué cette méthode à la détermination des potentiels effectifs décrivant respectivement l'ion Ba⁺ (excitation de l'électron 6s) et l'ion Na⁺ (excitation d'un électron 2p). Puis nous avons déterminé les spectres des deux atomes Ba et Na par une méthode d'interaction de configurations. La qualité des résultats obtenus nous a permis de vérifier la validité de notre méthode et de prédire les énergies des états bi excités. Dans une deuxième partie, nous nous sommes Intéressés à la modélisation de l'ion moléculaire Ba2³+ Nous avons développé un formalisme général du problème monoélectronique moléculaire qui permet de séparer explicitement les termes de polarisation, des termes de liaison grâce à l'emploi d'opérateurs de translation. L'expression analytique des deux processus énergétiques permet de traiter de façon claire toutes les approximations du modèle. Nous avons testé notre méthode sur l'ion Na 2 pour lequel existent des résultats expérimentaux. Nous donnons les courbes de potentiel adiabatique prévues pour l'ion Ba2³+
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Rivera, Santillan Rosa Elva. "Flottation ionique des cations métalliques par les collecteurs à longue chaîne : Application aux ions BA**(2+) et GA**(3+)." Nancy 1, 1987. http://www.theses.fr/1987NAN10241.

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Récupération du baryum à partir du milieu aqueux par flottation ionique utilisant des alkylbenzène-sulfonates de sodium. Récupération du gallium, par flottation ionique en utilisant des alkylsulfates de sodium en milieu acide, et des collecteurs à fonction oxine en milieu basique
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De, Palatis Michael V. "Production of cold barium monohalide ions." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50251.

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Ion traps are an incredibly versatile tool which have many applications throughout the physical sciences, including such diverse topics as mass spectrometry, precision frequency metrology, tests of fundamental physics, and quantum computing. In this thesis, experiments are presented which involve trapping and measuring properties of Th³⁺. Th³⁺ ions are of unique interest in part because they are a promising platform for studying an unusually low-lying nuclear transition in the 229Th nucleus which could eventually be used as an exceptional optical clock. Here, experiments to measure electronic lifetimes of Th³⁺ are described. A second experimental topic explores the production of sympathetically cooled molecular ions. The study of cold molecular ions has a number of applications, some of which include spectroscopy to aid the study of astrophysical objects, precision tests of quantum electrodynamics predictions, and the study of chemical reactions in the quantum regime. The experiments presented here involve the production of barium monohalide ions, BaX⁺ (X = F, Cl, Br). This type of molecular ion proves to be particularly promising for cooling to the rovibrational ground state. The method used for producing BaX⁺ ions involves reactions between cold, trapped Ba⁺ ions and neutral gas phase reactants at room temperature. The Ba⁺ ion reaction experiments presented in this thesis characterize these reactions for producing Coulomb crystals composed of laser cooled Ba⁺ ions and sympathetically cooled BaX⁺ ions.
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Huber, Thomas [Verfasser], and Tobias [Akademischer Betreuer] Schätz. "Optical trapping of barium ions - towards ultracold interactions in ion-atom ensembles = Optisches Fangen von Barium Ionen zur Untersuchung von Wechselwirkungen in Ion-Atom Ensembles." Freiburg : Universität, 2014. http://d-nb.info/1123480699/34.

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Steele, Adam V. "Barium ion cavity qed and triply ionized thorium ion trapping." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26530.

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Thesis (Ph.D)--Physics, Georgia Institute of Technology, 2009.
Committee Chair: Michael Chapman; Committee Member: Alex Kuzmich; Committee Member: Brian Kennedy; Committee Member: Chandra Raman; Committee Member: Kenneth Brown. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Tyslik, Hannelore. "Dunkles Dichten in der rumänischen Moderne : Ion Barbu: Joc secund /." Heidelberg : Winter, 2005. http://www.loc.gov/catdir/toc/fy0605/2005530629.html.

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Bernasconi, Pascal. "Flottation ionique : Analyse des mécanismes pour les tensio-actifs, application à la purification de solutions uranifères." Nancy 1, 1986. http://www.theses.fr/1986NAN10117.

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Les mécanismes contrôlant l'extraction d'ions par flottation ionique à l'aide de tensioactifs ioniques à longue chaîne sont décrits à travers l'étude de la récupération du baryum par le laurylsulfate de NA. Mise au point d'un modèle, appliqué à la récupération du zirconium dans les solutions acides de nitrate d'uranyle
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Books on the topic "Baryum ion"

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Barbul, Gheorghe. Mareșalul Ion Antonescu și frontul secret: Convorbiri cu Gheorghe Barbul. București: Editura Vremea, 2001.

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Koyré, Centre Alexandre, ed. Vénus hottentote: Entre Barnum et Muséum. Paris: Muséum national d'histoire naturelle, publications scientifiques, 2013.

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Stars and masculinities in Spanish cinema: From Banderas to Bardem. Oxford: Oxford University Press, 2003.

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Vitale, Joe. There's a Customer Born Every Minute. New York: John Wiley & Sons, Ltd., 2006.

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There's a customer born every minute: P.T. Barnum's amazing 10 "rings of power" for creating fame, fortune, and a business empire today--guaranteed! Hoboken, N.J: John Wiley, 2006.

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The showman and the slave: Race, death, and memory in Barnum's America. Cambridge, Mass: Harvard University Press, 2001.

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Kachelriess, Michael. Baryogenesis. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198802877.003.0022.

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This chapter shows that a baryon asymmetry can be generated only if the Sakharov conditions are satisfied. The required departure from thermal equilibrium can be realised either in first-order phase transitions or in out-of-equilibrium decays. Sphaleron transitions as a possible way to transfer a lepton into a baryon asymmetry are covered and the Boltzmann equation governing the baryon asymmetry generated in particle decays is derived. A brief review of baryogenesis during the electroweak phase transition is presented.
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Gitomer, Jeffrey, Joe Vitale, and Joe Jr Vitale. There's a Customer Born Every Minute: P. T. Barnum's Amazing 10 Rings of Power for Creating Fame, Fortune, and a Business Empire Today -- Guaranteed! Wiley & Sons, Incorporated, John, 2010.

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Gitomer, Jeffrey, Joe Vitale, and Vitale Joe Jr. There's a Customer Born Every Minute: P. T. Barnum's Amazing 10 Rings of Power for Creating Fame, Fortune, and a Business Empire Today -- Guaranteed! Wiley & Sons, Incorporated, John, 2007.

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Keshav, Satish, and Alexandra Kent. Investigation in gastrointestinal disease. Edited by Patrick Davey and David Sprigings. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199568741.003.0195.

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This chapter discusses investigation in gastrointestinal (GI) disease, including blood tests (full blood count, haematinics, biochemistry, immunology, microbiology, stool investigations), radiology (abdominal plain X-rays, barium studies, ultrasound, CT, MRI), nuclear medicine (SeHCAT scan, HIDA scan, gastric emptying study), endoscopy (oesophagogastroduodenoscopy, lower GI endoscopy, endoscopic retrograde cholangiopancreatography, therapeutic endoscopy, capsule endoscopy), and breath tests (lactulose/glucose-hydrogen breath test, lactose/hydrogen breath test, urea breath test).
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Book chapters on the topic "Baryum ion"

1

Pfeifer, Anke. "Barbu, Ion." In Kindlers Literatur Lexikon (KLL), 1. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_9000-1.

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Pfeifer, Anke. "Barbu, Ion: Joc secund." In Kindlers Literatur Lexikon (KLL), 1–2. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_9001-1.

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Pohling, Rolf. "Barium." In Chemische Reaktionen in der Wasseranalyse, 25–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-36354-2_4.

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Nagourney, W., Nan Yu, and H. Dehmelt. "Laser Spectroscopy of a Single Barium Ion Using “Shelving”." In Frequency Standards and Metrology, 312–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74501-0_54.

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Casciani, Emanuele, Paola Cerro, Giovanni Di Nardo, Salvatore Oliva, Gianfranco Gualdi, and Salvatore Cucchiara. "Barium Studies." In Endoscopy in Small Bowel Disorders, 15–28. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-14415-3_2.

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Keyzer, Jozefien de, Pierre Perrot, Myriam Sacerdote, and Andy Watson. "Barium – Iron – Oxygen." In Iron Systems, Part 1, 567–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-69761-9_27.

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Rijken, Th A. "Baryon-Baryon Interactions." In Few-Body Problems in Physics ’93, 1–12. Vienna: Springer Vienna, 1994. http://dx.doi.org/10.1007/978-3-7091-9352-5_1.

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Smith, Verne V. "The Barium Stars." In Evolutionary Processes in Interacting Binary Stars, 103–13. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2542-0_11.

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Nagourney, W., J. Sandberg, and H. Dehmelt. "Quantum Jumps and Laser Spectroscopy of a Single Barium Ion Using “Shelving”." In Laser Spectroscopy VIII, 114–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-540-47973-4_30.

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Yanagisawa, Akira. "Barium in Organic Synthesis." In Main Group Metals in Organic Synthesis, 175–88. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527602607.ch5.

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Conference papers on the topic "Baryum ion"

1

Noel, Thomas W., Carolyn Auchter, Chen-Kuan Chou, and Boris B. Blinov. "Toward remote ion-ion entanglement with barium." In SPIE OPTO, edited by Zameer U. Hasan, Philip R. Hemmer, Hwang Lee, and Alan L. Migdall. SPIE, 2015. http://dx.doi.org/10.1117/12.2183522.

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MIYAJIMA, MITSUHIRO. "STUDIES OF BARIUM ION MOBILITY IN LIQUID XENON." In Proceedings of the International Workshop. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812705075_0011.

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Dietrich, M. R., A. Avril, R. Bowler, N. Kurz, J. S. Salacka, G. Shu, B. B. Blinov, James R. Danielson, and Thomas Sunn Pedersen. "Barium Ions for Quantum Computation." In NON-NEUTRAL PLASMA PHYSICS VII: Workshop on Non-Neutral Plasmas 2008. AIP, 2009. http://dx.doi.org/10.1063/1.3122286.

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Patel, Apoorva. "Baryon Number Correlation Signals in Heavy Ion Collisions." In The 30th International Symposium on Lattice Field Theory. Trieste, Italy: Sissa Medialab, 2012. http://dx.doi.org/10.22323/1.164.0096.

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Lohe, P. P., S. K. Omanwar, N. S. Bajaj, and P. D. Belsare. "Study of optical properties of cerium ion doped barium aluminate phosphor." In INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015): Proceeding of International Conference on Condensed Matter and Applied Physics. Author(s), 2016. http://dx.doi.org/10.1063/1.4946570.

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Bhogi, Ashok, R. Vijaya Kumar, and P. Kistaiah. "Electron paramagnetic resonance spectra of copper ion doped lithium barium borate glasses." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980460.

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SHABELSKI, YU M. "RATIOS OF ANITBARYON/BARYON YIELDS IN HEAVY ION COLLISIONS." In Proceedings of the Fourth International Workshop. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812791160_0013.

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Gennadi, Milinevsky P., A. M. Evtushevsky, S. N. Zaitsev, H. C. Stenbaek-Nielsen, and A. I. Kashirin. "Ion clouds in CRRES Caribbean barium releases campaign as tracers of ionosphere processes." In High Latitude Optics, edited by Sergej Leontyev. SPIE, 1993. http://dx.doi.org/10.1117/12.164824.

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Kurz, N., Gang Shu, M. R. Dietrich, and B. B. Blinov. "High-efficiency single photon collection from trapped barium ions." In Frontiers in Optics. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/fio.2009.jtub5.

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Lenkennavar, Susheela K., A. Madhu, B. Eraiah, and M. K. Kokila. "Optical and physical properties of sodium lead barium borate glasses doped with praseodymium ion." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5032922.

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Reports on the topic "Baryum ion"

1

Brost, George A. Enhanced Photorefractive Effects in Barium Titanate. Fort Belvoir, VA: Defense Technical Information Center, December 1992. http://dx.doi.org/10.21236/ada264724.

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Dawson, K. R. Mineral Deposit Map, Barium, Strontium and Fluorine in Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120332.

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Dawson, K. R. Geology of barium, strontium, and fluorine deposits in Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120333.

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Falkner, Kelly K. Development of a Fluorescence-Based in-situ Barium Sensor. Fort Belvoir, VA: Defense Technical Information Center, October 1999. http://dx.doi.org/10.21236/ada375880.

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Monchamp, R. R., G. B. Mihalik, and L. A. Franks. On the nature of striae in strontium barium niobate. Office of Scientific and Technical Information (OSTI), December 1993. http://dx.doi.org/10.2172/10121811.

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Brody, Philip S. Dielectric Constant Decrease upon Illumination in a Barium Titanate Crystal. Fort Belvoir, VA: Defense Technical Information Center, April 1997. http://dx.doi.org/10.21236/ada324231.

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Fairbank, William. New Technique for Barium Daughter Ion Identification in a Liquid Xe-136 Double Beta Decay Experiment. Office of Scientific and Technical Information (OSTI), June 2016. http://dx.doi.org/10.2172/1256102.

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Sarney, Wendy L., Kimberley A. Olver, John W. Little, Frank E. Livingston, Krisztian Niesz, and Daniel E. Morse. Progress In Materials Synthesis And Processing Of Barium Titanium Oxide (BaTiO3) and Barium Strontium Titanium Oxide (BaTiSrO3) Films For Uncooled Infrared (IR) Detector Applications. Fort Belvoir, VA: Defense Technical Information Center, December 2011. http://dx.doi.org/10.21236/ada554856.

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Varner, R. L., J. L. Blankenship, J. R. Beene, and R. A. Todd. Monolithic circuits for barium fluoride detectors used in nuclear physics experiments. CRADA final report. Office of Scientific and Technical Information (OSTI), February 1998. http://dx.doi.org/10.2172/672048.

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Dagenhart, William David. Atomic Mass Dependence of $\Xi^{-}$ Baryon and $\bar \Xi^+$ Baryon Production in Central 250-GeV/c $\pi^-$ - Nucleon Interactions. Office of Scientific and Technical Information (OSTI), February 2000. http://dx.doi.org/10.2172/1421449.

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