Zobrazeno 1 - 10
of 275
pro vyhledávání: '"L. E. Sansores"'
Publikováno v:
Modern Physics Letters B. 18:1247-1254
Wide band gap semiconductors such as group-IV carbides ( SiC , GeC ) and group-III nitrides ( AlN , GaN and BN ) are known to be important materials for novel semiconductor applications. They also have interesting mechanical properties such as having
Publikováno v:
Journal of Applied Physics. 91:3085-3089
In this article, surface relaxation and its effects on the electronic and structural properties of porous silicon are studied by using the total-energy pseudopotential formalism within the density-functional theory. Our model is based on a 32-atom su
Autor:
Lauro Bucio, R. Pomés, J. Duque, L. E. Sansores, María Elena Villafuerte-Castrejón, L. Carrillo, G. González
Publikováno v:
Journal of Materials Science. 35:3047-3052
New interesting results in the crystal structure of the perovskite βLa0.33NbO3 were revealed using selected area electron diffraction, powder X-ray diffraction techniques and Rietveld refinement method. Although the superstructure of βLa0.33NbO3 co
Autor:
L. E. Sansores, B. Molina
Publikováno v:
Modern Physics Letters B. 13:193-201
A systematic study of the structural properties and electronic structure of six phases of C3N4 is presented. The phases under study are the β, α, cubic, pseudocubic and two graphitic with different space group. The structural analysis shows that on
Publikováno v:
Journal of nanoscience and nanotechnology. 8(12)
A current problem about oils and feedstock in fluid catalytic cracking (FCC) is the continuous cumulative deposition of metal contaminants on the catalyst, resulting in important modifications of its properties. Vanadium plays a detrimental role on t
Autor:
Angel Sanchez‐Arjona, O. Alvarez-Fregoso, R. Pomés, J. Duque, M.E. Villafuerte-Castrejón, L. E. Sansores
Publikováno v:
Powder Diffraction. 13:113-115
Sm2Bi2Ti3O12 was synthesized by solid state reaction from Sm2O3, Bi2O3, and TiO2 in molar relation 1:1:3. Title compound is isostructural with Bi4Ti3O12. Products of the reaction were analyzed by X-ray diffraction methods. The crystal structure was r
Autor:
J. Duque, L. E. Sansores, S. Bulbulian, M. T. Olguín, Pedro Bosch, M.E. Villafuerte-Castrejón, R. Pomés
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 222:235-237
The present study discusses the incorporation of uranyl ion into Y-zeolite framework. The UO 2 2+ sorption was measured by neutron activation analyses. The Y-zeolite framework distorts in response to the cations present in the structure. Hence, depen
Publikováno v:
MRS Proceedings. 291
We report our results of molecular structure calculations for B and A1 impurities. From our unoptimized ab initio calculations, we found the molecular electronic wave function to be unstable for both impurities. This instability was removed through a
Publikováno v:
Superconducting Ceramics.
Autor:
Pozdeev, Anton S.1 (AUTHOR), Rublev, Pavel1 (AUTHOR), Boldyrev, Alexander I.1 (AUTHOR) a.i.boldyrev@usu.edu
Publikováno v:
Chemistry - A European Journal. 12/11/2023, Vol. 29 Issue 69, p1-13. 13p.