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LUME

Universidad Nacional Autónoma de México

Contact Info:

LUME

Circuito Exterior S/N, Circuito de la Investigación Científica

Mexico City 04510

https://www.iim.unam.mx/lablume/inicio.html

Grants and Identifiers:

RRID: RRID:SCR_024400

Instrumentation:

JEOL JEM 9320FIB

JEOL JEOL 7600F

A semi in-lens SEM with high resolution. The adoption of a High Power Optics irradiation system delivers high-resolution, high-speed, high-accuracy element analysis. The incorporation of the Gentle Beam enables top-surface imaging of a specimen at very low energies of several hundred eV.

JEOL JEOL ARM200F

JEM-ARM200F ACCELARM is an Atomic Resolution Analytical Electron Microscope, which boasts an unprecedented STEM-HAADF resolution of 78 pm with a STEM Cs corrector incorporated as standard.

Services Provided:

Electron Microscopy

Focused Ion Beam (FIB)

Microscopy

Scanning Electron Microscopy

Transmission Electron Microscopy

Relevant Publications:

1.) Pérez-Estrada DE, Vargas-Villagrán H, Mendoza-Cruz R, Klimova TE (2024 Jun 20). Hydrodeoxygenation of anisole over SBA-15-supported Ni, Pd, and Pt mono- and bimetallic catalysts: effect of the metal's nature on catalytic activity and selectivity. Nanoscale, 16(24), 11575-11591. doi: 10.1039/d4nr01222d. PMID: 38856673.


2.) Mendoza-Cruz R, Palomares-Báez JP, López-López SM, Montejano-Carrizales JM, Rodríguez López JL, José Yacamán M, Bazán-Díaz L (2024 Apr 1). Experimental High-Resolution Observation of the Truncated Double-Icosahedron Structure: A Stable Twinned Shell in Alloyed Au–Ag Core@Shell Nanoparticles Nano Letters, 24(14), 4072-4081. . PMCID: 11010228.


Description:

The LUME covers the main techniques of electron microscopy, from scanning electron microscopy (SEM) to scanning transmission electron microscopy (STEM), for the characterization of the morphology and structure of materials at the micrometer and nanometer scale. In addition, it has equipment for preparing samples for analysis by different electron microscopy techniques.