ANNUAL REPORT 2011 - Instituto de Estructura de la Materia

species have been obtained from time-of-flight measurements. The previous results of LIBS in different samples(He, Ge, GeH4 and CO2) have been reviewed for the publication of a book chapter.The laser ablation of Ti and TiO has been studied. Ablation was made in vacuum and in different benzene andhexane atmospheres. The preliminary results show a phase change anatase-rutile in the TiO 2 ablated surface target.For Ti and TiO a dependence of the characteristics of the obtained deposits on the gas pressure is shown. Thespectroscopy of the ablation plasmas is not affected by this parameter. These works have been done in collaborationwith Profs. J.J. Camacho and J.M. Poyato (Phisical-Chemistry Department of UAM) and the participation (Ti andTiO) of Věra Jandová (Institute Chemical Processes Fundamentals of Czech Republic).2B.3 MOLECULAR PHYSICSDEPARTMENTRESEARCH LINES:‣ Molecular physics of atmospheres, astrophysical systems, and plasmas.‣ Molecular Fluid Dynamics.‣ Laser Spectroscopy.‣ Theoretical Molecular Physics.RESEARCH SUBLINES:Molecular physics of atmospheric and astrophysical systems.Kinetics of cold plasmas and studies on plasma-surface interactions.Dynamics and kinetics of chemical reactions.Raman Spectroscopy in supersonic gas jets.Rotational energy transfer coefficients by molecular collisions.Molecular solidification in cryogenic liquid micro-jets.Spectroscopic parameters of molecules of atmospheric relevance.Molecular quantum control.Molecular alignment and orientation.Ultracold quantum gases.EMPLOYED TECHNIQUES:ooooooooooooooIR spectroscopy and mass spectrometry applied to low temperature, low pressure systems.Computacional methods: Gaussian, SIESTA, CASTEP.Cold plasma generation in low pressure gas discharges.Mass spectrometry of ions and neutrals with energy resolution.Visible emission spectroscopy of plasmas.Langmuir probes for electron energy and charge density measurements.Linear Raman Spectroscopy.Supersonic gas jets.Undercooled liquid micro-jets.Cryogenics.Stimulated Raman Spectroscopy.Raman-Raman Double ResonanceSpectroscopy.Frequency-Difference Infrared Spectroscopy.Computational methods.RESEARCH ACTIVITY:MOLECULAR PHYSICS OF ATMOSPHERES AND PLASMASThis line of research is divided in the three sub-lines indicated in more detail below.Molecular physics of atmospheric and astrophysical systemsAround 2006 we initiated the study of solid systems, analogues of astrophysical objects. Since then, we haveprepared ice mixtures of water and several molecular systems (CO 2 , CH 4 , CH 3 OH, NH 4 + , COOH - ), which are someof the main constituents of comet nuclei and interstellar media particles, and studied them using infrared66