Zobrazeno 1 - 10
of 37
pro vyhledávání: '"H. Pérez-Ladrón de Guevara"'
Akademický článek
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Autor:
R.A. Rodríguez-Rojas, Marco-Antonio Meneses-Nava, Roger Chiu-Zarate, J. Castañeda-Contreras, Rita Patakfalvi, H. Pérez Ladrón de Guevara, Virginia F. Marañón-Ruiz
Publikováno v:
Journal of Applied Research and Technology. 19:87-97
A facile method is reported to synthesize macroporous silica films embedding rhodamine 6G. The films were obtained by sol-gel and spin-coating processes. Results pointed out a dependence of pore formation on the addition of rhodamine 6G in the film c
Autor:
C.I. Medel-Ruiz, J.R. Molina-Contreras, C. Frausto-Reyes, M. Díaz-Molina, J.R. Sevilla-Escoboza, H. Pérez-Ladrón de Guevara
Publikováno v:
Physica B: Condensed Matter. 641:414119
Autor:
V.D. Compeán-García, A. Escobosa Echavarría, H. Moreno-García, Yuriy Kudriavtsev, M. A. Vidal, F. J. Rodríguez-Aranda, H. Pérez Ladrón de Guevara, Ángel Rodríguez, E. López-Luna
Publikováno v:
Materials Science in Semiconductor Processing. 93:196-200
The structural and electrical properties of Mg-doped cubic GaN epi-layers grown by plasma-assisted molecular beam epitaxy (PAMBE) near Ga rich conditions are investigated. The diffraction of high-energy reflected electrons (RHEED) in situ, in additio
Akademický článek
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Autor:
J.R. Sevilla-Escoboza, J.R. Molina-Contreras, H. Pérez Ladrón de Guevara, Claudio Frausto-Reyes, C.I. Medel-Ruiz
Publikováno v:
Physica B: Condensed Matter. 603:412785
In this work, we found that the electron-phonon interaction (EPI) is dependent on the surface roughness. Simulations of Resonance Raman Spectroscopy (RRS) spectra, show that the Fano asymmetry parameter q , decreases as the Mean Surface Roughness (MS
Publikováno v:
Solid State Communications. 312:113895
In this work, we show a line-shape analysis of the resonant Raman scattering spectrum of un-doped CdTe single crystal. We found that the main peak correspondent to the longitudinal-optic (LO) phonon mode is asymmetrically broadened toward the high-fr
Autor:
S. M. Afanador Delgado, Y. Ramirez Quiros, J. Castañeda Contreras, R. Chiu Zarate, V.F. Marañón Ruiz, K. M. Esparza Ramirez, Rita Patakfalvi, H. Pérez Ladrón de Guevara, C. J. Enriquez Sánchez
Publikováno v:
Latin America Optics and Photonics Conference.
Z-scan technique offers simplicity to determine nonlinear optical properties. We propose its use in nanoparticles of TiO2 functionalized with an azo-triphenylmethane dye obtaining n2=3.37×10−3 and β=1.28×105 which allows us to propose them for s
Autor:
Tomás Díaz, C.I. Medel-Ruiz, L. Treviño-Yarce, H. Pérez Ladrón de Guevara, Enrique Rosendo, Crisoforo Morales, Godofredo García, R. Romano-Trujillo, A.I. Oliva, J. Sarmiento Arellano, J.M. Lugo
Publikováno v:
Materials Research Express. 6:076428
Autor:
C. Michel-Uribe, R. Rodriguez, J. Castañeda-Contreras, V.F. Marañón-Ruiz, H. Pérez Ladrón de Guevara, Roger Chiu-Zarate
Publikováno v:
Materials Research Bulletin. 47:290-295
A macro-porous silica film served as mechanical support to immobilize TiO2 nanoparticles, which were doped with erbium. The films and the nanoparticles were prepared by sol–gel route. The nanoparticles exhibited photocatalytic activity under visibl