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GoÑi, Alejandro R

Research Professor
Engineering Sciences
Institucio Catalana de Recerca i Estudis Avancats
Spain

Biography

He was born in Córdoba, Argentina, and graduated in physics in 1985 from Balseiro Institute, Bariloche, Argentina. In 1986 he moved to Germany for his PhD at the Max-Planck Institute FKF in Stuttgart with Prof. M. Cardona, which he finished in 1989. It followed a two-years postdoc at AT&T Bell Labs in Murray Hill, USA, and back to the MPI Stuttgart for three years. In 1996 he switched to the Technical University of Berlin for an appointment as Research & Teaching Associate. In 1999 he was awarded the Karl-Scheel Prize of the Physical Society of Berlin for my contributions to the field of high-pressure semiconductor physics. In November 2003 he became ICREA Research Prof. and joined the Optoelectronic Properties of Nanostructured Materials group at ICMAB-CSIC. He created a facility for optical spectroscopy with micro and nanometer-scale resolution and set up a laboratory for high-pressure physics. His leading group activities on thermoelectricity and hybrid perovskites.

Research Interest

He is an experimental physicist with broad interests and expertise in solid-state physics, optical spectroscopy (Raman scattering, photoluminescence, etc.), nano-science and technology, thermoelectricity, the physics of low-dimensional materials (superlattices, quantum wires and dots), highly correlated electron systems, and high-pressure techniques. Essentially, he uses light as a probe of the physical properties of all kinds of organic and/or inorganic molecular and nano-materials, searching for new behaviors or phenomena that emerge as a direct consequence of the reduced dimensionality and/or size of the material system under study. Although he is pursuing basic research, almost all my lines of investigation have a clear application in mind, such as to improve the performance of optoelectronic devices based on nano-materials, enhance thermoelectric and/or photovoltaic properties, boost piezo-resistive coefficients, develop ultra-sensitive spectroscopic techniques, etc.

Publications

  • Effects of the Wannier Ridge on Secondary Electron Spectra in Proton-Helium Collisions. W. Meckbach, P. Focke, A. R. GoËœni, and S. Su´arez; J. Macek and M. G. Men´endez; Phys. Rev. Lett. 57, 1587 (1986).

  • Diffraction of Low-Energy Ion-Induced Secondary Electrons Emitted in the Forward Direction from a Solid Foil. A.R. GoËœni, S. Su´arez, P. Focke, G.C. Bernardi, and W. Meckbach; Phys. Rev. Lett. 57, 1584 (1986).

  • A Dimerised Kronig-Penney Model. A. R. GoËœni, A. G. Rojo, and E. N. Mart´ınez; Am. J. Phys. 54, 1018 (1986).

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