Zobrazeno 1 - 10
of 72
pro vyhledávání: '"J.L Boldú"'
Publikováno v:
Universidad Nacional Autónoma de México
UNAM
Redalyc-UNAM
Revista Mexicana de Física (México) Num.2 Vol.63
UNAM
Redalyc-UNAM
Revista Mexicana de Física (México) Num.2 Vol.63
"Microcrystalline powders of the nonstoichiometric Ge 0 . 74 V 0 . 21 § 0 . 05 O 2 compound were prepared by conventional high temperature solid- state reactions. The powders were characterized by X-ray diffraction (XRD); scanning electron microscop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3056::0164c1b3364ef0451671e7ac73708ecd
https://www.redalyc.org/articulo.oa?id=57050054010
https://www.redalyc.org/articulo.oa?id=57050054010
Autor:
Eduardo Muñoz, J.L. Boldú, Ricardo Gómez, Octavio Novaro, Tessy Lopez, E. Andrade, Xi. Bokhimi
Publikováno v:
Scopus-Elsevier
Electron paramagnetic resonance (EPR) room-temperature observation of trivalent titanium in sol-gel titania has been reported. This unprecedented detection of stable paramagnetic signals in this titania, which was treated at 200°-800°C, occurred re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6791103ccb718066c0ceab8d90c4fe59
https://doi.org/10.1111/j.1151-2916.2001.tb00667.x
https://doi.org/10.1111/j.1151-2916.2001.tb00667.x
Publikováno v:
Journal of Physics and Chemistry of Solids. 65:1087-1094
A crystalline electric field cubic symmetry site has been reported for Gd3+ in Cs2NaBiCl6 at room temperature. This host exhibits an apparent structural transformation below 100 K that is completely reversible. However, an EPR examination for a powde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91334e24cad55eb126fff8fe2c73ba77
https://doi.org/10.1016/j.jpcs.2003.12.008
https://doi.org/10.1016/j.jpcs.2003.12.008
Autor:
Ricardo Gómez, Xim Bokhimi, C.L. Li, Eduardo Muñoz, J.L. Boldú, Jin An Wang, Tessy Lopez, Octavio Novaro
Publikováno v:
Applied Catalysis A: General. 199:211-220
Coke formation in C5/C6 alkane isomerization on a Pd/H-Mordenite catalyst discharged from a pilot reactor was studied. Experimental techniques like XRD, EPR, MAS-NMR, FTIR, TGA and TPO, were applied for the characterization of coke and coked catalyst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0aa8a88af6189af3d40d6c9e033b5006
https://doi.org/10.1016/s0926-860x(99)00559-1
https://doi.org/10.1016/s0926-860x(99)00559-1
Autor:
Jin An Wang, Tessy Lopez, Xim Bokhimi, Eduardo Muñoz, Octavio Novaro, Ricardo Gómez, Nikola Batina, C.L. Li, J.L. Boldú
Publikováno v:
Catalysis Letters. 65:209-216
The characterization of the coke deposited on an industrial Pt–Sn/γ‐Al2O3 catalyst, used in a continuous reforming process, was performed with AFM, XRD, FTIR, EPR, NMR, TG‐DTG and DTA techniques. Composition, structure and location of the coke
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35e56d16e2c03d714b5b7795ada1a89c
https://doi.org/10.1023/a:1019042027077
https://doi.org/10.1023/a:1019042027077
Autor:
Marco Antonio Huerta García, J.L. Boldú, Mayra Martinez, Peter R. Taylor, Miguel Castro, Eduardo Muoz, Carlos Quintanar
Publikováno v:
International Journal of Quantum Chemistry. 79:34-46
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c77c3c2edfd3671794edac74946945a
https://doi.org/10.1002/1097-461x(2000)79:1<34::aid-qua5>3.0.co
https://doi.org/10.1002/1097-461x(2000)79:1<34::aid-qua5>3.0.co
Autor:
Alvaro Morales, Ricardo Gómez, J.L. Boldú, Tessy Lopez, J. G. Hernandez, Xim Bokhimi, Eduardo Muñoz, Esteban López-Salinas, Octavio Novaro
Publikováno v:
Langmuir. 15:5820-5824
Zirconia was doped with tungstophosphoric acid (TPA) by co-geling the acid with zirconium n-butoxide. When samples were annealed at 400 °C, their specific BET areas were 164 and 74 m2/g for 15 and 25 wt % TPA, respectively. From the X-ray diffractio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbc98c304f7617b1ac743560e1399677
https://doi.org/10.1021/la981294t
https://doi.org/10.1021/la981294t
Autor:
J.L. Boldú, A. Garcia-Ruiz, Xim Bokhimi, Eduardo Muñoz, Tessy Lopez, J. Hernandez, Octavio Novaro, Ricardo Gómez
Publikováno v:
Langmuir. 15:5689-5693
Titania−magnesia mixed oxides, with magnesia concentrations between 10 and 90 wt %, were prepared by using the sol−gel method with titanium n-butoxide and magnesium ethoxide as precursors. The mixed oxides were characterized with X-ray powder dif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44b4adfda4c71f178e78d98ed06707ec
https://doi.org/10.1021/la9812931
https://doi.org/10.1021/la9812931
Publikováno v:
Journal of Physics and Chemistry of Solids. 60:929-933
Electron Paramagnetic Resonance (EPR) studies of cesium sodium yttrium hexachloride (Cs 2 NaYCl 6 ), doped with trivalent gadolinium ions in the 6–473 K temperature range are presented in this work. Owing to the fact that Gd 3+ is located in a cubi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0087b9003d64a482f57ca64c1421ccc0
https://doi.org/10.1016/s0022-3697(99)00011-6
https://doi.org/10.1016/s0022-3697(99)00011-6
Autor:
Juan Navarrete, Octavio Novaro, Tessy Lopez, Eduardo Muñoz, J.L. Boldú, Esbaide Adem, Ricardo Gómez
Publikováno v:
Materials Letters. 38:1-5
In the present work, the gelation of tetraethoxysilane (TEOS) was carried out using electron irradiation. The electron source used was a 2 MeV Van de Graaff electron accelerator. Two samples were gelled; for the first one (SiO2-1), a solution of TEOS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2497e49d474c506d807ab0c60affbf96
https://doi.org/10.1016/s0167-577x(98)00122-0
https://doi.org/10.1016/s0167-577x(98)00122-0