Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Heiddy P. Quiroz"'
Publikováno v:
Results in Physics, Vol 63, Iss , Pp 107890- (2024)
In this work, we conducted a study of TiO2 and TiO2:Co nanotubes obtained through the electrochemical anodization of Ti and Ti/Co foils. The presence of the anatase phase and amorphous TiO2 was identified and characterized via XRD and FT-IR measureme
Externí odkaz:
https://doaj.org/article/ae9ee13662fc43e9a7fe7c44d4cb0dbf
Autor:
Jorge A. Calderón, Heiddy P. Quiroz, Cristian L. Terán, M. Manso-Silván, A. Dussan, Álvaro Muñoz Noval
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract This work present structural, morphological, magnetic, and electrical properties of GaSb/Mn multilayer deposited via DC magnetron sputtering at room temperature and at 423 K. The samples are characterized by forming layers of 3, 6 and 12 per
Externí odkaz:
https://doaj.org/article/c7571a9acc1c463f800acf391c623d40
Publikováno v:
Heliyon, Vol 6, Iss 2, Pp e03338- (2020)
TiO2:Co thin films on ITO (Indium-tin-oxide)/PET (Poly Ethylene Terephthalate) flexible and glass substrates were fabricated via DC magnetron co-sputtering at room temperature. The samples deposited on glass substrates were subjected to annealing pro
Externí odkaz:
https://doaj.org/article/7e24aeb89c1841caaf4a689d2c4f798f
Autor:
Heiddy P. Quiroz, Anderson Dussan
Publikováno v:
Momento, Vol 0, Iss 56, Pp 17-25 (2018)
GaSb:Ni ternary alloys thin films were deposited via sputtering method (DC magnetron Co{Sputtering) varying the substrate temperature (Ts). From spectra transmittance measurements and X-ray diffraction (XRD) were obtained the optical constants and st
Externí odkaz:
https://doaj.org/article/3ffd38cf9ec54382ae903bd682544a07
Publikováno v:
Momento, Vol 0, Iss 55, Pp 26-35 (2017)
We study the evolution of the photonic gap present in TiO2 traces, these structures appear in the Ti-TiO2 interface during titania nanotubes formation. Traces can be modeled like photonic crystal because the dielectric function varies periodically in
Externí odkaz:
https://doaj.org/article/24f0fda3ecf94679bc91661663aa06cf
Publikováno v:
Momento, Vol 0, Iss 49, Pp 36-46 (2014)
In this work TiO2 nanotubes arrays were obtained by electrochemical anodization method using Ti foil, both anode and cathode, and under different anodization voltages. A mix of water and ethylene glycol as electrolyte was used at environment temperat
Externí odkaz:
https://doaj.org/article/60c27345595b424eb1fe4698ae1fbba7
Publikováno v:
Journal of Alloys and Compounds. 960:170587
Publikováno v:
Chinese Journal of Physics. 74:1-8
This work presents a study of the resistive switching behavior of ZnO thin films deposited via DC magnetron sputtering. Thin films were deposited on soda-lime glass and Ti foils, varying ZnO target power, between 80 W and 120 W, and substrate tempera
Autor:
A. Cardona-Rodriguez, Juan Gabriel Ramírez, E. F. Galíndez, Anderson Dussan, Heiddy P. Quiroz
Publikováno v:
Journal of Materials Science. 56:581-591
This work presents a study of the structural, morphological, and magnetic properties of TiO2/Co thin films deposited by DC magnetron co-sputtering of Co and TiO2 targets, varying the concentration of the Co and TiO2 at room temperature. The formation
Autor:
Vanderlei Salvador Bagnato, C. P. Barrera-Patiño, R. R. Rey-González, Heiddy P. Quiroz, José Dirceu Vollet-Filho, Anderson Dussan, Natalia Mayumi Inada, R. G. Teixeira-Rosa
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Scientific Reports
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Scientific Reports
Photonic crystals are some of the more spectacular realizations that periodic arrays can change the behavior of electromagnetic waves. In nature, so-called structural colors appear in insects and even plants. Some species create beautiful color patte