NANOMAGIQC

Laboratori de Magnetisme - Universitat de Barcelona (UB)

The Universitat de Barcelona is the major Catalonian university, with more than 75,000 undergraduate and graduate students and about 6,000 lecturers and researchers, distributed on 5 campuses.

The university has a long and well recognised research tradition in national, European and international projects. It has participated in COMETT, SCIENCE, BAP, ESPRIT, TEMPUS, INCO, INFO 2000, and other programs in the 4th Framework Programme of the European Commission, during which the UB signed 150 RTD projects.

The UB also has an internal innovation programme in which most departments are participating to develop and implement virtual learning environments for students.

Magnetics Laboratory

For more than a decade the group has been investigating the low temperature magnetic relaxation and its interpretation in nanoscopic particles and molecular clusters. As a result, more than 60 papers on quantum tunneling of the magnetic moment in nanoscopic particles and 20 papers on resonant spin tunneling in molecular magnets have been published.

In the last years the focus of the research was centered on the quantum oscillation of the spin in molecular clusters and the possible use of these systems as hardware for quantum computation.

Besides this work, the group also focused attention on problems connected withindustrial applications of the magnetic materials, with the registration of 7 international patents in the last five years.

Available equipment measure magnetic susceptibility and magnetization in the temperature range from 20 mK up to room temperature, using superconducting magnets that generate magnetic fields up to 5 T.

In addition, there are facilities to perform resonance experiments in the range of MHz-GHz at low (kelvin) and very low (millikelvin) temperature and applied magnetic fields up to 5 T.

On the basis of the above described expertise and available equipment the group is well qualified to undertake the synthesis of the magnetic units and to perform theexperimental studies for

• qubit characterisation,
• spin state preparation,
• quality factor Q determination, and
• decoherence phenomena.

Staff members

Director:

Prof. Javier Tejada Palacios

Senior Collaborators:

Prof. Luis Navarro Veguillas

Dr. Ron Ziolo

Prof. Eugene M. Chudnovsky

Doctors:

Antoni García Santiago

Francesc Torres Canals

Ph.D. Students:

Xavier Martínez Hidalgo

Roger Amigó i Junqué

Albert Redó Sánchez

Neus Domingo i Marimon

Pedro de Jesús Cuadra Solís

Marta Jordi i Taltavull

Alberto Hernández Mínguez

Antoni Fernández Martínez

Chemical Technician:

Anna Julià i Marquès

 

Prof. Javier Tejada Palacios

Dr. Javier Tejada is Professor of Solid State Physics of the Universitat de Barcelona since 1986. He is also director of the Laboratory of Magnetism UBX since 1997.

About 20 Ph.D. theses have already been completed under his supervision. He has delivered over a hundred invited talks at international conferences and/or seminars and is (co)author of more than 200 papers in international scientific journals.

He has coauthored a book with Prof. E. Chudnovsky (Lehman College, City University of New York), entitled Macroscopic Quantum Tunneling of the Magnetic Moment(Cambridge University Press, 1998).

Since 2000, he is Fellow of the American Physical Society.