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Tesis sobre el tema "Alkaline Earth Metal hydrides"

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Publicado: 24 de agosto de 2024
Última modificación: 31 de julio de 2025

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1

Santoru, Antonio [Verfasser]. "Insights into the structure and reaction mechanism of alkali and alkaline-earth metal amide-metal hydride composite systems for hydrogen storage / Antonio Santoru." Hamburg : Helmut-Schmidt-Universität, Bibliothek, 2018. http://d-nb.info/1162510706/34.

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2

Verbraeken, Maarten Christiaan. "Doped alkaline earth (nitride) hydrides." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/714.

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3

Treuil-Dussouet, Félix. "Photoconductivity in rare earth metal-oxy-hydrides." Thesis, Uppsala universitet, Materialteori, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-416695.

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In this project the evolution of resistivity under light exposition in materials like rare earth metal-oxy-hydrides is studied. These materials observe a decrease of the resistance when exposed under the light of a 19,5 W power lamp, and slowly tend to return to their initial resistance. After having developed a resistance measurement setup, the photoconductivity of different samples (Gd, YHO) was measured in function of the oxygen concentration and in different conditions such as the face of illumination.
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4

Pianalto, Frederick Scott 1961. "Laser spectroscopy of strontium-sulfide and alkaline earth monoborohydrides." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276739.

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Three gas phase alkaline earth molecules were analyzed using dye laser spectroscopy. The A¹Σ⁺ - X¹Σ⁺ transition of gas phase SrS was studied with high resolution techniques. The 0-0, 0-1, 1-1, 2-1, 3-0, 3-2, 4-1, 5-1, and 5-2 bands were rotationally analyzed and spectroscopic constants were determined. The A¹Σ⁺ state was extensively perturbed. Ground state (X¹Σ⁺) constants derived from the analysis of the nine vibrational levels include: ωₑ = 388.2643 cm⁻¹, Bₑ = 0.1208034(33) cm⁻¹, and rₑ = 2.439687(14) Å. Excited state (A¹Σ⁺) constants determined include: Tₑ = 13932.7068(10) cm⁻¹, ωₑ = 339.14
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5

Blake, Matthew Paul. "Alkaline earth- and rare earth-transition metal complexes." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:d14f9c15-ec66-4317-82df-04d6ba1d4899.

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This Thesis describes the synthesis and characterisation of new alkaline earth- and rare earth-transition metal complexes. Experimental and computational studies were performed to investigate the structure and bonding in these complexes. Their reactivity was also studied. Chapter 1 introduces metal-metal bonded complexes and current alkaline earth- and rare earth-transition metal bonded complexes. Chapter 2 describes experimental and computational studies of new alkaline earth- and lanthanide-Fe complexes possessing the [CpFe(CO)2]- anion. Chapter 3 presents experimental studies of the reducti
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6

Huadsai, Wimonsiri. "Activation du dioxyde de carbone par des composés de Lewis hautement acidés." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2024. http://www.theses.fr/2024TLSES053.

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Cette recherche visait à étudier les applications potentielles des complexes d'hydrure de Mg et de Ca soutenus par des ligands ß-diketiminate et amidinate pour la réduction des molécules de CO2. Les capacités catalytiques de ces complexes ont été explorées dans le contexte de l'hydroboration et de l'hydrosilylation du CO2. Dans la première partie de l'étude, nous avons examiné la réactivité des hydrures ß-diketiminato de Mg et de Ca avec le CO2. Il a été observé que le complexe d'hydrure de Mg incorporait rapidement le CO2, conduisant à la formation de divers intermédiaires avec différentes nu
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7

Rees, David Alan. "Synthesis of alkaline earth transition metal sulfides." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311775.

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8

Liang, Tao. "Chiral Phosphoric Acids and Alkaline Earth Metal Phosphates Chemistry." Thesis, University of South Florida, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3632228.

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<p> Asymmetric synthesis and catalysis is one of the leading research areas in chemistry society, for its versatility and efficiency in obtaining chiral molecules that found the vast majority in natural active compounds and synthetic drugs. Developing asymmetric catalytic methodology is at the frontier in both industrial and academic research laboratories. Enantioselective organocatalysis has emerged as a powerful synthetic tool that is complementary to metal-catalyzed transformations. The development of chiral phosphoric acid and metal phosphate as catalysts has been a breakthrough in recent
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9

Hamdy, Louise. "Developing new hydrogen bonded alkaline earth metal-organic complexes." Thesis, University of Bath, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675739.

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This investigation addresses the understudied area of the research and development of hydrogen bonded metal-organic complexes featuring the alkaline earth metals magnesium and calcium. This work presents the crystal structures and thermal behaviour of a series of metal-organic and organic crystalline complexes synthesised from metal salts and pyridine carboxylic, dicarboxylic acid and chloranilic acid ligands, characterised primarily by X-ray diffraction. Chapter 1 introduces crystal engineering, intermolecular interactions, and functional crystalline materials, followed by a literature review
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10

Gillett-Kunnath, Miriam M. "Heavy alkaline earth metal amides: Synthetic and structural investigations." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2008. http://wwwlib.umi.com/cr/syr/main.

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11

Hitzbleck, Julia Ruhlandt-Senge Karin. "Syntheses and structural survey of novel alkaline earth and rare earth metal complexes." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2004. http://wwwlib.umi.com/cr/syr/main.

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12

Vargas, Gregory Wilda Ruhlandt-Senge Karin. "Nitrogen-based alkaline earth metal compounds syntheses, structures and applications /." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2004. http://wwwlib.umi.com/cr/syr/main.

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13

Reid, Stephanie. "Heavier alkaline earth metal catalysis and application to organic synthesis." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/61488.

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This thesis describes the application of complexes of heavier alkaline earth metals to the intramolecular hydroalkoxylation/cyclisation of alkynyl and allenyl alcohols and in addition, to the hydroamination of polyunsaturated arenes. Cyclisation of alkynyl alcohols was achieved using [Ae{N(SiMe3)2}2] (Ae = Ca, Sr, Ba) in the formation of five- and six-membered enol ethers. The cyclisations produced mixtures of the possible endo- and exocyclic enol ether products, rationalised as a consequence of alkyne/allene isomerisation. Although a ‘catalyst of choice’ could not be deduced, [Ba{N(SiMe3)2}2]
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14

Bradwell, David (David Johnathon). "Liquid metal batteries : ambipolar electrolysis and alkaline earth electroalloying cells." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/62741.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 198-206).<br>Three novel forms of liquid metal batteries were conceived, studied, and operated, and their suitability for grid-scale energy storage applications was evaluated. A ZnlITe ambipolar electrolysis cell comprising ZnTe dissolved in molten ZnCl 2 at 500 0C was first investigated by two- and three-electrode electrochemical analysis techniques. The electrochemical behavior of the melt, thermodynamic
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15

Kumar, R. "Synthesis and molecular catalysis with organo- alkaline earth metal complexes." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2022. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/6167.

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16

Bezougli, Izoldi P. "Insertion reactions of Group 2 metal alkoxides." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.484172.

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17

Robinson, Alex Lockwood. "Sonoluminescence for the quantitative analysis of alkali and alkaline earth chlorides /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/8687.

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18

Sánchez, José Adán Reyes. "Synthesis and reactivity of alkaline earth and aluminium gallyl complexes." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:5bf3dc4e-9cd6-4080-8f5f-9097e84ba12b.

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This Thesis describes the synthesis and characterisation of new alkaline earth metal and aluminium gallyl complexes. Experimental studies were performed to investigate their structure. The reactivity of these species was also studied. <b>Chapter 1</b> introduces metal-metal bonded complexes containing alkaline earth metals and aluminium and the use of gallium(I) analogues of N-heterocyclic carbenes in the synthesis of heterobimetallic complexes of gallium. <b>Chapter 2</b> describes the synthesis and reactivity of alkaline earth gallyl complexes supported by beta-diketiminate ligands. <b>Chapt
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19

Jones, Sally Anne. "Alkali and alkaline earth metal fluoride mediated aromoatic halogen exchange reactions." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367085.

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20

Nimmagadda, Sri Krishna. "Asymmetric Transformations Catalyzed By Chiral BINOL Alkaline Earth Metal Phosphate Complexes." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6554.

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Small molecule hydrogen bond donors have emerged as versatile catalysts in asymmetric synthesis. Within this class, chiral BINOL phosphoric acid is regarded as one of the pioneer catalysts used in several asymmetric transformations. The ability of the catalyst to activate the substrates could be controlled in two different ways. (1) Dual activation/bifunctional activation of substrate by hydrogen bond interactions or ion pairing with phosphoric acid or (2) By forming chiral BINOL phosphate metal complex that could significantly alter the interactions in chiral space. In particular, chiral alka
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21

Ekvall, Katrin. "Time resolved laser spectroscopy : non-linear polarisation studies in condensed phase and lifetime studies of alkaline earth hydrides /." Stockholm, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3063.

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22

Witherow, Rebecca A. "Minor Alkaline Earth Element and Alkali Metal Behavior in Closed-Basin Lakes." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250628213.

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23

Hill, Matthew Roland Chemistry Faculty of Science UNSW. "The single source chemical vapour deposition of alkaline earth metal oxide thin films." Awarded by:University of New South Wales. School of Chemistry, 2006. http://handle.unsw.edu.au/1959.4/32903.

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Metal oxide thin films are dynamic materials that have revolutionised the nature of semiconductor and electronic thin film devices. Recently, progress has stagnated in some aspects due to the increasingly complex deposition apparatus required, and the dearth of suitable precursor complexes of certain ???difficult??? metals. This thesis seeks to address both of these issues. The application of a precursor complex, Mg6(O2CNEt2)12 to the SSCVD of MgO thin films delivered the highest quality films ever reported with this technique. The resultant films were found to be of purely (111) orientation.
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24

Demydov, Dmytro V. "Nanosized alkaline earth metal titanates : effects of size on photocatalytic and dielectric properties." Diss., Manhattan, Kan. : Kansas State University, 2006. http://hdl.handle.net/2097/177.

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25

Davidson, Matthew Gwilym. "Alkali and alkaline earth metal complexes of multifunctional amines : syntheses, structures and uses." Thesis, University of Cambridge, 1994. https://www.repository.cam.ac.uk/handle/1810/272659.

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26

Frankland, Andrew D. "Studies on organic compounds of the group II metals Ca, Sr and Ba." Thesis, University of Sussex, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336274.

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27

Sobaczynski, Adam [Verfasser], and Rhett [Akademischer Betreuer] Kempe. "Alkane Elimination Reactions between Transition Metal Hydrides and Rare-Earth Alkyls / Adam Sobaczynski. Betreuer: Rhett Kempe." Bayreuth : Universität Bayreuth, 2014. http://d-nb.info/1060010151/34.

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28

Yadav, S. "Preparation of well-defined alkaline earth metal complexes and their applications in molecular catalysis." Thesis(Ph.D.), CSIR National Chemical Laboratory, Pune, 2019. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/4572.

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29

Tulyapitak, Tulyapong. "CURE AND MECHANICAL PROPERTIES OF CARBOXYLATED NITRILE RUBBER (XNBR) VULCANIZED BY ALKALINE EARTH METAL COMPOUNDS." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1158067153.

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30

Fleming, Kathleen. "The Gas-Phase Ligand Exchange of Select Alkaline Earth and Transition Metal ß-diketonate Complexes." Youngstown State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1465062889.

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31

Zuniga, Maria Felisa A. "Progress in molecular heterobimetallic alkaline earth metal chemistry New synthetic strategies, structural features and properties /." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2008. http://wwwlib.umi.com/cr/syr/main.

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32

Chen, Chun-che. "Correlation between electrical and magnetic properties in alkali and alkaline earth metal doped lanthanum manganites /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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33

Xiao, Xingxing [Verfasser], Anke [Akademischer Betreuer] Weidenkaff, and Rainer [Akademischer Betreuer] Niewa. "Thermoelectric Properties of Alkaline Earth Metal Substituted Europium Titanates / Xingxing Xiao ; Anke Weidenkaff, Rainer Niewa." Darmstadt : Universitäts- und Landesbibliothek, 2021. http://d-nb.info/1225865751/34.

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34

Diteepeng, Nichabhat. "Alkaline earth hydroborate complexes for the ring-opening polymerisation of cyclic esters." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:d5b45f1c-b8a9-41da-a967-7f569b69aa35.

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This Thesis describes the activity and mechanism of alkaline earth organohydroborate, tetrahydroborate and alkoxide catalysts for the ring-opening polymerisation (ROP) of cyclic esters including rac-, L-, D- and meso-lactide (LA), and rac-β-butyrolactone (rac-BBL). <b>Chapter One</b> introduces cyclic esters and general mechanisms for their ROP to give polyesters. Living and immortal ROP, an overview of stereocontrolled ROP, and determination of polylactide (PLA) stereosequences are given. Various techniques for polymer characterisations are also described. <b>Chapter Two</b> describes the act
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35

Sturgeon, Matthew Robert. "Cyanide Bridged Multimetallics Derived From Extended Arrays of Alkaline Earth, Rare Earth, and Transition Metals: A Study From Complexes To Catalysts." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250009077.

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36

O'Brien, Anna Yosick. "Advances in the design of heavy alkaline earth metal complexes as precursors for chemical vapor deposition." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2005. http://wwwlib.umi.com/cr/syr/main.

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37

Vilayannur, Sitaraman. "Fundamental mechanisms of oxidation of alkaline earth bearing metal precursors : Y-Ba-Cu-Ag-Pd and Ag?Ba /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488193272067643.

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38

Potratz, Christopher M. "The Synthesis, Structure and Characterization of Extended Cobalt Ruthenium Carbonyl Compounds." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275413923.

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39

Teng, Weijie Ruhlandt-Senge Karin. "From polymerization initiators to precursors for solid-state materials syntheses and structures of a series of molecular alkali and alkaline earth metal derivatives /." Related electronic resource: Current Research at SU : database of SU dissertations, recent titles available full text, 2004. http://wwwlib.umi.com/cr/syr/main.

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40

Siggelkow, Lisa [Verfasser], Thomas F. [Akademischer Betreuer] Fässler, and Wolfgang [Akademischer Betreuer] Domcke. "Synthesis, Characterization and Computational Studies of Binary and Ternary Intermetallic Compounds in the Systems Alkaline Earth Metal, Transition Metal, Tetrel Element / Lisa Siggelkow. Gutachter: Wolfgang Domcke. Betreuer: Thomas F. Fässler." München : Universitätsbibliothek der TU München, 2011. http://d-nb.info/1029350175/34.

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41

Ballmann, Gerd [Verfasser], Sjoerd [Akademischer Betreuer] Harder, Romano [Gutachter] Dorta, and Norbert [Gutachter] Jux. "Encapsulating Dipyrromethene Ligands for the Stabilization of Low-Coordinate Alkaline Earth and Zinc Metal Complexes / Gerd Ballmann ; Gutachter: Romano Dorta, Norbert Jux ; Betreuer: Sjoerd Harder." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2019. http://d-nb.info/1202608477/34.

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42

Marchuk, Alexey [Verfasser], and Wolfgang [Akademischer Betreuer] Schnick. "Mineralizer-assisted high-pressure high-temperature synthesis and characterization of novel phosphorus nitride imides and luminescent alkaline earth metal (oxo)nitridophosphates / Alexey Marchuk. Betreuer: Wolfgang Schnick." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2016. http://d-nb.info/1098130766/34.

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43

Margadonna, Sarena. "Fulleride salts : from polymers to superconductors." Thesis, University of Sussex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323048.

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44

Gagné, Olivier C. "Bond lengths and bond valences of ions bonded to oxygen: their variability in inorganic crystals." Acta Crystallographica B, 2015. http://hdl.handle.net/1993/31697.

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A large amount of information concerning interatomic distances in the solid state is available, but little has been done in recent times to comprehensively filter, summarize and analyze this information. Here, I examine the distribution of bond lengths for 135 ions bonded to oxygen, using 180,331 bond lengths extracted from 9367 refined crystal structures collected from the Inorganic Crystal Structure Database (ICSD). The data are used to evaluate the parameterization of the bond-length—bond-valence relation of the bond-valence model. Published bond-valence parameters for 135 cations bonde
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45

Köhne, Ingo. "Novel Bulky Bis(benzoxazol-2-yl)methane Ligands in s-Block Metal Coordination." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E3E8-1.

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46

Barbosa, Helliomar Pereira. "Síntese e estudo da luminescência de matrizes de tungstatos dopadas com íons terras raras." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/46/46136/tde-22102013-110137/.

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Materiais luminescentes contendo íons terras raras (TR3+) dopados nas matrizes de tungstatos [WO4]2- têm se mostrado excelentes candidatos como fósforos. Portanto, neste trabalho os materiais MWO4:TR3+ (M: Ca2+, Sr2+, Ba2+ e TR3+: Eu, Tb) foram preparados pelo método da coprecipitação com concentração de dopantes 0,1, 1,0, 5,0 e 10 % em mol. Este método comparado aos convencionais (cerâmico, combustão etc.), apresenta vantagens por ser um método simples de operação e rápido, baixo custo, preparado a temperatura ambiente, o processo de obtenção ambientalmente é correto e também produzem-se nano
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47

Ganesan, Parameshwari. "Investigation of Luminescent Properties in Rare-Earth free Metallophosphonate Hybrid Materials : structural Insights in photophysical studies." Electronic Thesis or Diss., Normandie, 2023. http://www.theses.fr/2023NORMC266.

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Durant ce travail de thèse, les propriétés structurelles et photoniques des metallophosphonates luminescents hybrides ont été étudiées en abordant le rôle de leur structure dans les propriétés luminescentes. Les métallophosphonates possèdent différentes coordinations chimiques montrant leurs capacités à former plusieurs centres métalliques ainsi qu’une forte liaison chimique de type P-O-M. L’objective de ce travail est l’étude des matériaux hybrides organiques-inorganiques luminescents dont le composant organique offre une plateforme solide facilement amovible avec divers groupes fonctionnels.
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48

Seyyidoglu, Semih. "High Temperature Chemistry Of Some Borophosphates, Phase Relations And Structural Studies." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1045863/index.pdf.

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The solid state, hydrothermal and flux methods were used for the investigation of alkaline earth and transition metal borophosphate compounds. The products and the phase relations were investigated by XRD, IR, DTA, and EDX methods. The solid state reactions of several boron compounds with different phosphating agents have been studied in the temperature range of 400-1200 oC. Hydrothermal and flux techniques were performed at 150 oC and 1200 oC, respectively. On the other hand, an attempt has been made to prepare a novel borophosphate compound MIIMIV[BPO7] (where MIV= Zr4+, Si4+, and MII= Sr2+,
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49

Castillo, Rodrigo. "Synthesis of silicon- and germanium-rich phases at high-pressure conditions." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-207708.

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The main focus of the present work was the Ge-rich part of the binary Ba – Ge system, in which by inspecting the behavior of the clathrate-I Ba8Ge43 under pressure, several new phases were found. The new phases in this system have the following compositions: BaGe3 (with two modifications), BaGe5, BaGe5.5 and BaGe6, therefore they are quite close in composition range: 75% - ~85% at. Ge. Concerning the conditions required for the synthesis of each phase, several combinations of temperature and pressure were employed in order to find a stability range. It was possible to establish such a formati
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50

Malki, Mustapha. "Proprietes structurales, magnetiques et electroniques d'oxydes ternaires de terres-rares." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13143.

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Etude des composes limlno::(4), ou m = eu, sr; ln = eu, gd, dy, er, y. Mesures de susceptibilite et d'aimantation, mesures des interactions hyperfines au site des terres rares par effet moessbauer. Temperature de mise en ordre magnetique; structure cristallographique; moment magnetique; parametres de champ cristallin d'ordre 2 au site des lanthanides
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