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Q-NET young researchers

Jorge Luis PUEBLA NUNEZ
Attocube Systems, Munich, Germany
Male, Mexican

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Diplomas, University(ies)
de Master degree at the Universidad Autonoma de San Luis Potosi.
- Master project: "Self-organized alumina nanoporous"
de Research visitor at Max Planck Institute for Microstructure Physics, Halle, Germany.
de PhD at the University of Sheffield
- PhD project: "Spin phenomena in semiconductor quantum dots"
- PhD Supervisor: Dr. Alexander Tartakovskii

Field of research
Optoelectronics, Nanotechnology, Spectroscopy of Nanostructures

Research experience
hjg Fabrication and characterization of nanoporous materials (alumina and silicon), Optical spectroscopy at cryogenic temperatures and high magnetic fields of semiconductor nanostructures, official trainner of device fabrication at EPSRC National Center of III-V Technologies, Sheffield, UK.

Thesis Project
"Design of commercial cryogenic scanning probe system for operation in closed sycle cryostat"

The project involves the development of a new generation of commercial fully functional, ultra-stable, low temperature and high magnetic field compatible scanning probe microscopes (SPM). This includes SPMs operating with RF fields for electron or nuclear spin measurements.

As the increasing costs and shortage of liquid helium are becoming a serious issue for many research laboratories in the world, there is a pressing demand for closed cycle (so called dry cryostats) low temperature SPMs. The development of such a commercial instrument will also allow the spread of the use of cryogenics to a much broader range of universities world wide, so far this "luxury" was only limited to few privileged research institutions.

I will be therefore very much involved in optimizing the design of ultra low vibration dry cryostats. The novel scanning probe systems involved in this project will include atomic force microscopes (AFMs) that can also be used as scanning gate microscopes (SGM) as well as magnetic force microscopes (MFMs). The ultimate ambition for this project is to succeed in building a scanning tunnelling microscope (STM) fully operational within a closed cycle cryostat.

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List of Publications

Present position:
Research Scientist at Quantum Nano-scale Magnetism Research Team lead by Prof. Yoshichika Otani, in the Quantum Information Electronic Division of RIKEN Center for Emergent Matter Science in Japan.

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