Results 11 to 20 of about 6,006 (137)
CARACTERIZACIÓN MÖSSBAUER DE MINERALES DE HIERRO EN ROCAS NATURALES
Revista de Investigación de Física, 2000 Este trabajo de la caracterización por espectroscopía Mössbauer por 57Fe de rocas naturales con alto contenido de óxidos y compuestos de hierro tales como magnetita Fe3O4 y magnetita con calcopirita Fe3O4.CuFeS2.
Carolina Trujillo Sáenz +1 more
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Et4N[NO3(SnClPh3)2(SnPh3NO3)]: a trinuclear organostannate complex and related derivatives
Main Group Metal Chemistry, 2013 Four new di- and triorganonitrato stannate complexes and related derivatives have been synthesized and characterized by infrared and Mössbauer spectroscopy.
Diop Tidiane +3 more
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Revista de Investigación de Física, 1998 La mecano-síntesis es una técnica de producción de nuevos materiales metálicos en fases fuera del equilibrio termodinámicos, tales como soluciones sólidas extendidas, solcuiones sólidas amorfas, fases nanocristalinas, fases nanovítreas, cuasicristales ...
Víctor Antonio Peña Rodríguez
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Mecano-Síntesis de la Aleación Fe-Cu
Revista de Investigación de Física, 1999 El objetivo principal del presente trabajo es la producción de la aleación Fe-Cu dentro de un rango de composición donde el diagrama de fase de equilibrio reporta a este sistema como insoluble.
Justiniano Quispe M
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X‐ray magnetic circular dichroism
Major Reference Works, Page 508-515., 2022 International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.
Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
Gerrit van der Laan C. Chantler +2 more
wiley +1 more source
Clio Arqueológica, 2020 Neste trabalho, a composição química e espécies ferruginosas de filmes pictóricos de pinturas rupestres do sítio arqueológico Letreiro da Pedra Riscada (Domingos Mourão, Piauí, Brasil) foram investigadas por fluorescência de raios X e espectroscopia ...
José de Jesus Nunes Júnior +1 more
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Investigation of phase transformations of iron nanoparticles during thermal annealing [PDF]
EPJ Web of Conferences, 2019 Structural properties and phase composition of nanoparticles based on iron oxide were studied. Mossbauer spectroscopy, X-ray diffraction, and scanning electron microscopy were used for the analysis of phase transformations. According to XRD and Mossbauer
Tulebayeva Dinara +3 more
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Mössbauer spectroscopy and its application to the chemical science [PDF]
E3S Web of ConferencesMössbauer spectroscopy is a powerful tool to investigate the physical and chemical state of the solid material including Mössbauer nuclide. The mechanism of Mössbauer spectroscopy is nuclear energy is shifted and spit by the interaction of the nucleus ...
Nakashima Satoru
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Angewandte Chemie, EarlyView.Heterogeneous iron‐catalyzed environmentally benign and sustainable CH‐oxidative esterification methodology has been developed for the synthesis of esters. This challenging reaction has been achieved by the rational design of specific single atom iron‐based catalyst with Fe‐N4 active centers, which empowered the oxidative esterification of methyl and ...
Zhuang Ma +8 more
wiley +2 more sources
Applied Sciences, 2020 This study aims to examine the applicability of nuclear inelastic scattering (NIS) and conventional Mössbauer spectroscopy for calibration of the frequency scale of ab initio calculated phonon density of states (PDOS) of iron ternary chalcogenides.
Airat Kiiamov +9 more
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