Academic literature on the topic 'Spectroscopie Mössbauer de 119Sn'
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Journal articles on the topic "Spectroscopie Mössbauer de 119Sn"
Cardile, Clay M. "119Sn Mössbauer spectroscopy of cadmium stannates." Journal of Physics and Chemistry of Solids 50, no. 2 (1989): 221–22. http://dx.doi.org/10.1016/0022-3697(89)90421-6.
Full textUnzueta, I., J. López-García, V. Sánchez-Alarcos, et al. "Testing the Applicability of 119Sn Mössbauer Spectroscopy for the Internal Stress Study in Ternary and Co-Doped Ni-Mn-Sn Metamagnetic Alloys." Metals 11, no. 3 (2021): 450. http://dx.doi.org/10.3390/met11030450.
Full textElinburg, Jessica K., Ariel S. Hyre, James McNeely, et al. "Formation of monomeric Sn(ii) and Sn(iv) perfluoropinacolate complexes and their characterization by 119Sn Mössbauer and 119Sn NMR spectroscopies." Dalton Transactions 49, no. 39 (2020): 13773–85. http://dx.doi.org/10.1039/d0dt02837a.
Full textMatsumoto, Yasukuni, Motomi Katada, and Tetsuaki Nishida. "119Sn-Mössbauer spectroscopic study of oxygen deficient YBCO." Physica C: Superconductivity 185-189 (December 1991): 1229–30. http://dx.doi.org/10.1016/0921-4534(91)91838-u.
Full textGerke, Birgit, Thanh Thao Tran, Rainer Pöttgen, and P. Shiv Halasyamani. "119Sn Mössbauer spectroscopy of solvothermally synthesized fluorides ASnF3 (A = Na, K, Rb, Cs)." Zeitschrift für Naturforschung B 70, no. 10 (2015): 765–67. http://dx.doi.org/10.1515/znb-2015-0099.
Full textGurgul, J., K. Łątka, A. W. Pacyna, C. P. Sebastian, and R. Pöttgen. "119Sn Mössbauer spectroscopy of the intermetallic compound HoRhSn." Intermetallics 18, no. 1 (2010): 129–33. http://dx.doi.org/10.1016/j.intermet.2009.07.002.
Full textNiehaus, Oliver, Paula M. Abdala, Jan F. Riecken, Florian Winter, Bernard Chevalier, and Rainer Pöttgen. "Cerium Valence Change in the Solid Solutions Ce(Rh1-xRux)Sn." Zeitschrift für Naturforschung B 68, no. 9 (2013): 960–70. http://dx.doi.org/10.5560/znb.2013-3176.
Full textLoureiro, J. M., Benilde F. O. Costa, Gerard Le Caër, and Bernard Malaman. "Mechanically Driven Dissolution of Sn in Near-Equiatomic Bcc FeCo." Solid State Phenomena 194 (November 2012): 187–93. http://dx.doi.org/10.4028/www.scientific.net/ssp.194.187.
Full textAfanasov, Mikhail I., Alain Wattiaux, Christine Labrugère, Pavel B. Fabritchnyi, and Claude Delmas. "Mössbauer-spectroscopic Characterization of the Local Surrounding of Tin Dopant Cations in the Bulk and on the Surface of YCrO3 Crystallites." Zeitschrift für Naturforschung B 66, no. 3 (2011): 239–44. http://dx.doi.org/10.1515/znb-2011-0305.
Full textDemazeau, Gérard, Alexey Baranov, Igor Presniakov, and Alexey Sobolev. "High Oxygen Pressures and the Stabilization of the Highest Oxidation States of Transition Metals – Mössbauer Spectroscopic Characterization of the Induced Electronic Phenomena." Zeitschrift für Naturforschung B 61, no. 12 (2006): 1527–40. http://dx.doi.org/10.1515/znb-2006-1209.
Full textDissertations / Theses on the topic "Spectroscopie Mössbauer de 119Sn"
Ladam, Alix. "Électrodes négatives composites à base d'étain ou de silicium pour accumulateur lithium-ion avec accrochage souple et/ou enrobage à mémoire de forme." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT225/document.
Full textThis work has been devoted to new Ni/Ti/Sn/Si based composites as negative electrode materials for lithium-ion batteries. Thesematerials are formed by tin based electrochemically active matrix and/or silicon based electrochemically inactive matrix enriched with silicon. They were obtained by ball milling method leading to nanostructured compositeswith strongly improved electrochemical performances compared to commercially used carbon. This includes reversible capacity, electrochemical stability and reaction kinetics.The composites were characterized by X-ray diffraction, 119Sn Mössbauer spectroscopy and scanning electron microscopy while their electrochemical performances were carried out by galvanostatic cycling. Finally, the reaction mechanisms were elucidated from X-ray diffraction and 119Sn Mössbauer spectroscopy used in operando mode. By combining these results with empirical models, it has been possible to optimize the composition and the synthesis conditions of the composite to improve the electrochemical properties and obtain reversible specific capacity up to 1300 mAh.g-1 with Coulombic efficiency higher than 99.5%. In addition, the composition flexibility of these materials allows to adapt their electrochemical properties to specific applications
Mouyane, Mohamed. "Nouveaux matériaux composites pour électrodes négatives à base d'étain." Montpellier 2, 2008. http://www.theses.fr/2008MON20180.
Full textNaille, Sébastien. "Electrodes négatives de batteries lithium-ion : les intermétalliques de l'étain : mécanismes et interfaces." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2008. http://tel.archives-ouvertes.fr/tel-00355884.
Full textUne analyse détaillée des réactions électrochimiques a été effectuée en associant différentes techniques : diffraction des rayons X, spectroscopie photoélectronique à rayonnement X, spectrométrie Mössbauer de 119Sn et mesures magnétiques. Seules les phases riches en étain présentent des capacités intéressantes. Dans ce cas, la première décharge est une étape de restructuration qui transforme le matériau d'électrode en un composite constitué de nanoparticules de métal pur et de Li7Sn2. Le mécanisme principal est une réaction de déplacement partiellement réversible, les nanoparticules métalliques atténuant les variations volumiques de l'électrode.
L'irréversibilité observée durant le premier cycle a été étudiée par spectroscopie photoélectronique à rayonnement X et spectroscopie d'impédance électrochimique. Cette irréversibilité est liée à la formation, en début de première décharge, d'une couche de passivation stable à la surface des particules intermétalliques qui est principalement formée de Li2CO3 et LiF. Cette formation est associée à une forte diminution du potentiel de l'électrode qui permet l'amorçage de sa restructuration. L'importance de cette couche est évidemment liée à la surface spécifique des particules, ce qui explique les piètres performances des nanomatériaux pour lesquels aucune réaction de déplacement n'a été mise en évidence.
Sougrati, Moulay Tahar. "Corrosion atmosphérique des bronzes et Spectroscopie Mössbauer." Phd thesis, Université de Rouen, 2008. http://tel.archives-ouvertes.fr/tel-00347816.
Full textSab, Sofiane. "Étude structurale et magnétique d'alliages à base de fer et de praséodyme, cristallins et partiellement cristallisés, à forte coercitivité potentielle." Paris 12, 2003. https://athena.u-pec.fr/primo-explore/search?query=any,exact,990002111150204611&vid=upec.
Full textIn this work attention is given on the equilibrium compounds PrFe11 and the substituted PrTiFe11-xCox series. The determination of their intrinsic properties represents the first step of the study devoted to the magnetic carbonated and nitrated alloys involved in the topics of high density recording. The technique of high energy milling with subsequent annealing leads to out of equilibrium precursors of the equilibrium PrTiFe11-xCox alloys Pr(Ti,Fe,Co)10 which have also been studied. Additionally to the above topics, we have studied bulk amorphous R-Fe-Co-Al-B alloys (R=Nd,Pr) which were prepared by high energy milling and subsequent controlled nanocrystallisation fields record high coercivity of 30kOe with MR = 90uem/g
Belaroui, Lala Setti. "Préparation et caractérisation des argiles à piliers mixtes Al-Fe et leurs applications comme catalyseurs dans la réaction d'oxydation de Baeyer-Villiger et extension à d'autres catalyseurs à base de fer." Lyon 1, 2008. http://www.theses.fr/2008LYO10051.
Full textThe present study concerns the valorization of algerian clay’s from Maghnia city. The purification treatment realized on the natural clay allowed to eliminate a significant number of impurities and to confirm that it is a montmorillonite type clay named Lalithe with a bedeillitic character. The preparation of the clay pillared with Fe led to delaminated clay but when the clay was pillared with Al-Fe starting with chlorhydrol as aluminium source. A stable pillared-clay presenting reproducible textural and structural properties was obtained. The characterization of three series of pillared compounds showed that with the polycation Al13 as source of aluminium iron could also be inserted and Al-Fe mixed pillars Al-Fe with an optimum quantity of aluminium of 10 mmol/g of clay obtained. Mössbauer spectroscopy showed a possible substitution of aluminium by iron in the polycation Al13. Baeyer-Villiger oxidation of cyclohexanone to caprolactone was studied with Al-Fe pillared Clays using oxygen as oxidantive agent. A complete conversion was observed with a high selectivity. The reaction was indeed catalyzed by dissolved iron cations and the catalysis of the reaction of oxidation of Baeyer-Villiger should be considered as homogeneous. However, it has been shown that the reaction could be carried out in heterogeneous phase not in the presence of pillared clays but with a new catalyst corresponding to iron phthalocyanine supported on silica and leading to a selectivity in caprolactone higher than 95% for a cyclohexanone conversion of 60 %. The characterization of the reaction medium after catalytic test enabled to confirm that the iron phthalocyanine grafted on silica was a true heterogeneous catalyst, which opens new prospects for research with the use of these synthetic pigments as intercalating agent in the smectites for applications in the reaction of Baeyer-Villiger
Gesan, Pascal. "Modifications par implantation ionique de films minces de TiC : application à l'étude du mélange ionique de bicouches TiC-Fe." Poitiers, 1994. http://www.theses.fr/1994POIT2258.
Full textMazet, Thomas. "Contribution à l'étude des propriétés électroniques des germaniures et stannures ternaires RT 6X 6 (R = métaux des groupes 2 à 5 et lanthanoïdes ; T = Mn et Fe)." Nancy 1, 2000. http://docnum.univ-lorraine.fr/public/SCD_T_2000_0131_MAZET.pdf.
Full textAron, Christophe. "Étude des propiétés magnétiques de multicouches métalliques par spectroscopie Mössbauer et mesures d'aimantation." Grenoble INPG, 1991. http://www.theses.fr/1991INPG0108.
Full textRigault, Cécile. "Cristallochimie du fer dans les chlorites de basse température : implications pour la géothermométrie et la détermination des paléoconditions redox dans les gisements d'uranium." Poitiers, 2010. http://theses.edel.univ-poitiers.fr/theses/2010/Rigault-Cecile/2010-Rigault-Cecile-These.pdf.
Full textIn contexts of uranium deposits, redox conditions constitute the main factor controlling the uranium deposition. Often observed in these deposits, chlorites are the unique clay mineral which can be able to record in their structure the redox conditions through their Fe3+/SFe ratio. However, the common presence of several populations of chlorites makes difficult to understand the message carried out by these minerals. Thanks to µ-XANES spectroscopy, we are now able to measure on thin sections the Fe3+/SFe ratio in chlorites with an accuracy of 5 %. Measurements show that it can reach 60 % in di-trioctahedral chlorites and 5 % to more than 40 % for trioctahedral chlorites. In hydrothermal contexts where chlorites crystallize through a dissolution-recrystallization process, their Fe3+/SFe ratio decreases with the increase of the global Fe content. Diagenetic chlorites observed resulting from the polymorphic transformation of berthierine have a different behavior because there is no link between their total iron content and their Fe3+/SFe ratio: their chemistry is directly inherited from the one of the precursor mineral because this transformation does not allow a reorganization of cations in the structure. This transformation explains that thermodynamic models cannot work for these phases. For the use of chlorites as makers of redox paleoconditions in contexts of uranium deposits where diagenetic and hydrothermal chlorites can be present, it is decisive to determine their origin, for example analyzing their polytype: Ib (b=90°) for chlorites crystallized from solid-state transformation and IIb for chlorites crystallized through dissolution-recrystallization process
Books on the topic "Spectroscopie Mössbauer de 119Sn"
1941-, Long Gary J., ed. Mössbauer spectroscopy applied to inorganic chemistry. Plenum, 1987.
Mössbauer Spectroscopy Applied to Inorganic Chemistry Volume 2 (Modern Inorganic Chemistry). Springer, 1987.
Atomic and Nuclear Analytical Methods: XRF, Mössbauer, XPS, NAA and Ion-Beam Spectroscopic Techniques. Springer-Verlag, Heidelberg, Germany, 2007.
Book chapters on the topic "Spectroscopie Mössbauer de 119Sn"
Gurgul, Jacek, Kazimierz Łątka, Andrzej W. Pacyna, et al. "Hyperfine interactions studied by 119Sn Mössbauer spectroscopy in SmRhSn." In ICAME 2007. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-78697-9_57.
Full textAboulaich, Abdelmaula, Florent Robert, Pierre Emmanuel Lippens, et al. "In situ 119Sn Mössbauer spectroscopy study of Sn-based electrode materials." In ICAME 2005. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-49853-7_5.
Full textNaille, S., M. Mouyane, M. El Amraoui, P. E. Lippens, J. C. Jumas, and J. Olivier-Fourcade. "Lithium insertion–deinsertion mechanism in NbSn2 anode studied by 119Sn Mössbauer spectroscopy." In ICAME 2007. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-78697-9_153.
Full textAldon, L., C. M. Ionica, P. E. Lippens, et al. "In situ 119Sn Mössbauer spectroscopy used to study lithium insertion in c-Mg2Sn." In ICAME 2005. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-49853-7_4.
Full textDedryvere, R., S. Denis, J. Olivier-Fourcade, and J. C. Jumas. "Lithium Insertion Mechanism in Copper Indium Tin Sulfospinels Studied by 119Sn Mössbauer Spectroscopy and Rietveld Analysis." In Materials for Lithium-Ion Batteries. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4333-2_43.
Full textAlcántara, Ricardo, Pedro Lavela, Gregorio Ortiz, Inés Rodríguez, and José L. Tirado. "119Sn Mössbauer spectroscopy: a powerful tool to unfold the reaction mechanism in advanced electrodes for lithium-ion batteries." In ICAME 2007. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-78697-9_152.
Full textBarbieri, R., L. Pellerito, G. Ruisi, et al. "119Sn Mössbauer Spectroscopy Studies on the Interaction of Organotin(IV) Salts and Complexes with Biological Systems and Molecules." In Chemical Processes in Marine Environments. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04207-6_13.
Full textRyan, D. H., H. B. Wang, and Z. Altounian. "119Sn Mössbauer study of the giant magnetocaloric compound: Gd5Sn4." In Hyperfine Interactions (C). Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0281-3_54.
Full textŠepelák, V., M. J. Nasr Isfahani, M. Myndyk, M. Ghafari, A. Feldhoff, and K. D. Becker. "Complementary 57Fe and 119Sn Mössbauer study of mechanochemical redox reaction." In LACAME 2010. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-4301-4_6.
Full textTatsuya, Muraki, and Taniwaki Masafumi. "119Sn Mössbauer analysis of Sn sites in ‘123’-phase superconductor." In Advances in Superconductivity VI. Springer Japan, 1994. http://dx.doi.org/10.1007/978-4-431-68266-0_33.
Full textConference papers on the topic "Spectroscopie Mössbauer de 119Sn"
CUENYA, B. ROLDAN, M. DOI, O. MARKS, W. KEUNE та K. MIBU. "REFLECTION HIGH-ENERGY ELECTRON DIFFRACTION AND 119SN MÖSSBAUER INVESTIGATION OF EPITAXIAL α-SN FILMS". У From Atoms, Molecules and Clusters in Complex Environment to Thin Films and Multilayers. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793652_0024.
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