Categoría: Investigador Titular C TC
Pride: C
SNI: II
Email: zaldivar@ens.cnyn.unam.mx
ORCID: https://orcid.org/0000-0002-7179-654X
Google Scholar: https://scholar.google.com.mx/citations?user=OKODuOAAAAAJ&hl=es
Categoría: Investigador Titular C TC
Pride: C
SNI: II
Email: zaldivar@ens.cnyn.unam.mx
ORCID: https://orcid.org/0000-0002-7179-654X
Google Scholar: https://scholar.google.com.mx/citations?user=OKODuOAAAAAJ&hl=es
a) Diluted Magnetic Semiconductors (DMS): Exploration of defect-mediated ferromagnetism and spin polarization phenomena in DMS nanostructures (SnO₂, GaN, ZnO) for spintronic device applications.
b) Oxide Nanostructures and Functional Ceramics: Synthesis and characterization of magnetic and luminescent hydroxyapatite, triboluminescent ceramics, and metal oxide nanomaterials for biomedical and sensing technologies.
c) Advanced Characterization Techniques: Use of scanning electron microscopy (SEM), cathodoluminescence (CL), electron paramagnetic resonance (EPR), and X-ray photoelectron spectroscopy (XPS) for the investigation of point defects, vacancy distributions, and optoelectronic properties in nanomaterials.
d) Quantum and Spin Transport: Study of magnetotransport and spin injection in nanowires and thin films, including the design of prototype spintronic devices such as strain-tunable spin valves.
e) Multifunctional Heterostructures and Nanocomposites: Fabrication of vertically aligned nanocolumns and core-shell architectures via pulsed laser deposition (PLD), atomic layer deposition (ALD), and physical vapor deposition (PVD).
f) Collaborative and Applied Materials Science: Engagement in international multidisciplinary collaborations to integrate nanomaterials in biomedical, quantum, and energy-related technologies.
Ph.D. Students
1. Jonhatan Aarón Mendoza Rodarte
«Novel Spintronic Devices Based on GaN Doping.»
Co-supervisor. Graduate Program in Materials Science and Engineering, UNAM.
2020–2024
2. David Montalvo Ballesteros
«Contribution of Point Defects to Ferromagnetism in Fe- and Cr-Doped SnO₂ Nanowires.»
Graduate Program in Nanosciences, CICESE.
2018–2024
3. Carolina Bohorquez Martínez
«Influence of Point Defects on the Optical and Electronic Properties of Mn- and Zr-Doped ZnO Thin Films.»
Co-supervisor. Graduate Program in Nanosciences, CICESE.
2018–2023
4. Cindy Johana Valencia Caicedo
«Second Harmonic Generation in Metal–Semiconductor Nanostructures.»
Co-supervisor. Graduate Program in Optics, CICESE.
2018–2023
5. Verónica Huerta Guerra
«Influence of Crystal Defects on the Optoelectronic Properties of Hydroxyapatite Nanobelts.»
Graduate Program in Nanosciences, CICESE.
2018–2023
6. Gabriela Guzmán Navarro
«Diluted Magnetic Semiconductors Based on GaN.»
Graduate Program in Materials Physics, CICESE.
October 2016
7. Alfredo González Carrazco
«Study of Optical and Electronic Properties of ZnO Nanostructures via Cathodoluminescence and Tunneling Spectroscopy.»
Graduate Program in Materials Physics, CICESE.
June 2010
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Master’s Students
1. Karime Carrera Gutierrez
«Electronic Properties of Hydroxyapatite Doped with Magnetic Impurities.»
Graduate Program in Materials Science and Engineering, UNAM.
UNAM Medal “Alfonso Caso” – Graduated with Honors, 2019
2. Aarón Mendoza Rodarte
«Cathodoluminescence of GaN Nanostructures Doped with Magnetic Impurities.»
Graduate Program in Materials Science and Engineering, UNAM.
Graduated with Honors, 2019
3. Emmanuel de la Cruz Piña
«Optical Properties of Nanostructured Surfaces with High Refractive Index.»
Graduate Program in Physical Sciences, UNAM.
2017–2018
4. Juan Araiza Liera
«Fabrication of a Photodiode Based on ZnO and ZnO:Ag Thin Films.»
Graduate Program in Nanosciences, CICESE.
2017–2018
5. Verónica Huerta Guerra
«Cathodoluminescence of Rare-Earth-Doped Hydroxyapatite Nanowires.»
Graduate Program in Nanosciences, CICESE.
2016–2018
6. Carolina Bohorquez Martínez
«Spin Polarization in ZnO:Mn Nanowires.»
Graduate Program in Nanosciences, CICESE.
2016–2017
7. David Montalvo Ballesteros
«Low-Temperature Cathodoluminescence of Mn-Doped SnO₂ Nanowires.»
Graduate Program in Materials Science and Engineering, UNAM.
Degree awarded: February 10, 2016
8. Luz A. Zavala Sánchez
«Synthesis and Luminescent Properties of Rare-Earth-Doped Hydroxyapatites via Cathodoluminescence.»
Graduate Program in Materials Science and Engineering, UNAM.
Graduated with Honors, November 19, 2015
9. Marco A. González Angulo
«Fabrication of Solar Cells Based on ZnO Nanowires.»
Graduate Program in Materials Physics, CICESE.
Degree awarded: September 17, 2015
10. Aldo Alan Guerrero Salmerón
«Electronic and Luminescent Properties of ZnO Nanowires via Cathodoluminescence and Tunneling Spectroscopy.»
Graduate Program in Materials Science and Engineering, UNAM.
Degree awarded: March 2013
11. Gabriela Guzmán Navarro
«Physical Vapor Deposition and Cathodoluminescence of Gallium Oxide and Gallium Nitride Nanowires.»
Graduate Program in Physical Sciences, UNAM.
UNAM Medal “Alfonso Caso” – Graduated with Honors, February 2011
12. Arturo Susarrey Arce
«Optical Properties of Rare-Earth-Doped ZnO Nanostructures via Cathodoluminescence.»
Graduate Program in Materials Science and Engineering, UNAM.
Graduated with Honors, August 2008
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Bachelor’s Students
1. Patsy Arely Miranda Cortez
«Electronic Structure of Graphene and Graphene Oxide Deposited on ZnO (0001) via STM and STS.»
Bachelor’s in Nanotechnology and Nanostructures, UNAM.
Graduated with Honors, 2022
2. Maria Teresa Valenzuela López
«Fabrication of a ZnO Nanowire-Based Schottky Photodiode.»
Bachelor’s in Nanotechnology and Nanostructures, UNAM.
2017–2018
3. Karime Carrera
«Synthesis and Characterization of Optical and Electrical Properties of ZnO:N Nanobelts.»
2017–2018
4. Aarón Mendoza
«Synthesis and Characterization of GaN:Cr-Based DMS Nanowires.»
2017–2018
5. Susana Flores
«Density of States in Graphene Supported on GaN via STM and STS.»
2017–2018
6. Aldo Alan Guerrero Salmerón
«Crystal Defects in Boron- and Europium-Doped ZnO Nanorods via Cathodoluminescence.»
Faculty of Sciences, School of Physics, UABC.
March 2011