DESCRIPTION: This line of research is strongly linked to the unique scientific-technological infrastructure Advanced Microscopy Laboratory (LMA), associated with INMA. The main lines of research developed are: a) Nanofabrication for the creation of unique nanodevices using FIB-SEM microscopes; b) Use of transmission electron microscopy (TEM) in materials sensitive to the electron beam, in new developments in in situ electron microscopy, for spectroscopy of high spatial and energy resolution, and for obtaining magnetic images based on microscopy of Lorentz and electronic holography; c) Scanning microscopies (tunnel effect, STM, and force, AFM) for imaging, atomic manipulation, spectroscopy and nanofabrication.
PREVIOUS ACTIVITY OF THE LINE:
- Manufacture of magnetic nanostructures using FEBID (Focused Electron Beam Induced Deposition).
- Manufacture of superconducting nanostructures using FIBID (Focused Ion Beam Induced Deposition).
- Manufacture of (nano) metallic structures using Cryo-FIBID (FIBID in cryogenic conditions.
- Advanced spectroscopy in TEM (transmission electron microscopy) using EELS (electronic energy loss spectroscopy).
- TEM studies of the response of materials to external stimuli (TEM in situ).
- Determination of composition and crystal structures with atomic resolution using TEM.
- Magnetic imaging by TEM using Lorentz microscopy and holography.
- Low-voltage TEM studies of high-energy sensitive materials.
- Spin-resolved scanning tunneling microscopy (STM).
- Manufacture of artificial structures based on atomic manipulation using STM.
- Atomic scale spectroscopy using STM.
- Nanofabrication using dip-pen (DPN).
FUTURE OBJETIVES FOR THE LINE:
- New techniques for manufacturing magnetic nanostructures (in 3D using FEBID and ultra-fast growth using Cryo-FIBID.
- Manufacture of superconducting nanodevices using advanced techniques based on ion beams.
- New strategies for ultra-fast manufacturing of metal contacts using electron and ion beams.
- Advanced nanofabrication applied to new materials (topological insulators, two-dimensional materials).
- Electron nanoscopy in low-dimensional carbonaceous materials, in near heteroatomic materials or in other laminar compounds and in hybrid / functionalized systems.
- Study of the transformation or response of materials to stimuli (irradiation, temperature, electric currents) via TEM in situ.
- Study of new magnetic textures in 3D nanomagnets through the development of magnetic TEM imaging techniques.
- Advanced analysis of materials using quantitative STEM imaging techniques and EELS spectroscopy, with a focus on multifunctional oxide materials.
- Atomic level studies of electron beam sensitive materials, with a focus on nanoporous solids including Zeolites and Metal Organic Frameworks (MOFs).
- Manufacture of artificial structures with atomic control using STM.
- Spectroscopy at local and mesoscopic scale using STM.
- Combination of STM with angle-resolved photoemission and photo-diffraction.
- Preparation of magnetic STM tips and data acquisition protocols to investigate quantum bits, spin strings and edge states of topological origin.
- Manufacture of quantum devices based on molecules using DPN.
- Nanofabrication using DPN applied to graphene.