Local hardening of Raman phonons in BaxSr1−xTiO3 thin films deposited by r.f. sputtering

Autor: O Zelaya-Angel, M Melendez-Lira, J Reséndiz-Muñoz, J L Fernández-Muñoz, F Caballero-Briones

Publikováno v: Materials Research Express, Vol 7, Iss 4, p 046402 (2020)

Thin films of nanometric order of a solid solution of barium-strontium titanate Ba _x Sr _1− _x TiO _3 (BSTO), in the entire 0 ≤ x ≤ 1 range, were deposited at 495 °C on quartz by RF reactive co-sputtering. The composition was controlled throu

Externí odkaz: https://doaj.org/article/d30e986dd51b417f812a2ee1993bcd0b

Properties of Particle Size Distribution from Milled White Nixtamalized Corn Kernels as a Function of Steeping Time

Autor: J. L. Fernández-Muñoz, M. Zapata-Torrez, A. Márquez-Herrera, F. Sánchez-Sinencio, J. G. Mendoza-Álvarez, M. Meléndez-Lira, O. Zelaya-Ángel

Publikováno v: Scientifica, Vol 2016 (2016)

This paper focuses on the particle size distribution (PSD) changes during nixtamalized corn kernels (NCK) as a function of the steeping time (ST). The process to obtain powder or corn flour from NCK was as follows: (i) the NCK with different STs were

Externí odkaz: https://doaj.org/article/6428c4729b9449eebeb7484ee86a413e

Synthesis and Characterization of Self-Assembled ZnO Nanoparticles Embedded Within a SiO2 Matrix Deposited on (111) p-Type Silicon By Reactive RF Sputtering Using Metallic Zinc Target As Precursor

Autor: M. F. Avila-Meza, M. A. Meléndez-Lira, D. R. Alfaro-Flores, O. Zelaya-Angel, J. L. Fernández-Muñoz, S. Gallardo

Publikováno v: Journal of Electronic Materials. 47:6607-6612

The results of the synthesis and characterization of self-assembled ZnO nanoparticles (NP) embedded within a SiO2 matrix deposited on (111) p-type silicon by reactive radio frequency sputtering are reported. Synthesis consists in a sequential deposit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad145c0ac8c4d4643731d1ca68ac1239
https://doi.org/10.1007/s11664-018-6586-x

White photoluminescence emission using CdS + CdCO3 composite thin films

Autor: O. Zelaya-Angel, J. L. Fernández-Muñoz, M. Meléndez-Lira, J.S. Arias-Cerón, J.G. Mendoza-Alvarez, R. Lozada-Morales, Miguel Melendez-Zamudio, E. Campos-González

Publikováno v: Journal of Luminescence. 230:117673

The optical properties of CdS + CdCO3 composite thin films prepared by the chemical bath method on glass substrates, at different bath-temperatures (Tb) in the interval 20–80 °C, are reported. Chemical bath method allows to produce CdS + CdCO3 com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::418eb9c16fdb2244b1cb22e74ccfc2f1
https://doi.org/10.1016/j.jlumin.2020.117673

Modification of the Crystalline Structure of ZnO Nanoparticles Embedded Within a SiO2 Matrix due to Thermal Stress Effects

Autor: Orlando Zelaya-Angel, Alejandra Garcia-Sotelo, M. Meléndez-Lira, Mario Avila-Meza, J. L. Fernández-Muñoz

Publikováno v: Materials Research, Vol 22, Iss 4 (2019)
Materials Research, Volume: 22, Issue: 4, Article number: e20190105, Published: 19 SEP 2019
Materials Research v.22 n.4 2019
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL

Self-assembled nanocrystals of ZnO were embedded within a SiO2 matrix by a sequential deposit using reactive R.F. sputtering. The ZnO nanoparticles (NP’s) were obtained by depositing a very thin layer (~20 nm) of Zn on the bottom of the valleys of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cda3b72842ddb5391d326d043d4882d2
https://doi.org/10.1590/1980-5373-mr-2019-0105