Group Members
Research topic
My bachelor-thesis project is related to the analysis of the lattice dynamical properties of Th-fcc under pressure, including strong-correlation effects (Hubbard) on its incipient 5f-electrons, and study how such additional interaction modifies the phonons and the anomalies already observed for Th.
Research topic
My PhD research project is focused on the theoretical study of the electronic properties of twisted-bilayer graphene (TBG) together with 2D transition metal-dichalcogenides (TMD), and how the proximity of the TMD could affect the TBG properties, specially when the spin-orbit coupling is taking into account.
Research topic
My bachelor-thesis project is based on the study of the dynamical stability of transtition-metal(TM) carbides as the TM content is changing on the crystal. The idea is related to the perception that the superconducting properties of the TM carbides could correlate with the presence (or absence) of phonon anomalies on the phonon dispersion, and eventually to the appearing of phonon instabilities.
Research topic
My topic research is related to the pressure effects on the magnetism and lattice dynamics, and the correlation between both phenomena on transition metal mono-germanides by first-principles methods. It is very well documented the magnetic and electronic transition these systems udergo as a function of applied pressure. So the influence of magnetism on lattice dynamics, induced or supressed by pressure, can be traced and studied in detail.
Research topic
My Postdoctorant project is based on the hydride-superconductors family (with Tc has high as 200 K at 170 GPa), analyzing their superconducting state induced by a combination of electron-doping and applied pressure. Some of the properties analized are the Eliashberg function, the electron-phonon coupling parameter, the superconducting critical temperature, and the isotope effect, among others.
Research topic
My research topic is based on the interactions between spin (magnetism) and lattice excitations (phonons). Such interactions are studied by first-principles methods on the noncentrosymmetric 3d transition metal mono-germanides compounds. These systems are ideal since they undergo interesting crossovers on electronic and magnetic phases as increasing temperature, while exhibit strongly temperature-dependent phonon energies.
Former Students
Miguel Eduardo Cifuentes-Quintal
PhD student (Theoretical Physics), Department of Applied Physics,
Cinvestav-Mérida
Grade exam: Nov 2017
mcifuentes"at"mda.cinvestav.mx
Research topic
The thesis was about the study of graphene and graphene-like systems, as silicene and germanane. The properties under study were mechanical, lattice dynamics, electron-phonon coupling, and superconductivity, among others.
Research topic
My thesis proyect was related to hydrogen storage materials, specifically analyzing the effect of electron doping on the stability of metal hydrides, in particular looking on their vibrational and thermodynamical properties by ab-initio methods.
Research topic
My thesis work was based on the study of Ac-Th light-actinides alloy, in particular analyzing the evolution of lattice dynamics and electron-phonon (e-ph) coupling properties as a function of doping concentration, applying density functional perturbation theory (DFPT) and the Eliashberg formalism.
Research topic
My Master tesis was related to the study of the relativistic effects (mainly spin-orbit coupling) on the vibrational and electron-phonon (e-ph) coupling of actinide (Ac), applying density functional perturbation theory (DFPT) and the Eliashberg formalism for the calculation of the e-ph coupling properties.
Research topic
My thesis was focused on the study of magnetism effects on the vibrational properties of the Ni-Cu magnetic alloy, and how the full-phonon dispersion and force constants relations are affected by magnetism.