About Marcelo Castellanos

Marcelo Castellanos desempeña su actividad en la Unidad de Gerencia del Instituto de Física Fundamental del CSIC. Ha sido profesor ayudante en la Universidad Autónoma de Madrid y defendió su tesis doctoral en la UAM en el campo de la Astrofísica Extragaláctica. En el mismo campo, ha realizado investigación postdoctoral en el CNRS. Tiene experiencia en el sector privado y desde 2006 ha sido facilitador/”doer”/burócrata/gestor en 3 grandes proyectos de investigación en Astrofísica Molecular, Física Química y Nanociencia.

The Electron–Phonon Interaction at Vicinal Metal Surfaces Measured with Helium Atom Scattering

2023-11-30T18:37:13+01:00Tags: , , , |

Authors: Benedek, Giorgio; Miret-Artés, Salvador; Manson, Joseph R.; Toennies, Jan P. Journal: Nanomaterials Publication date: 2023/11/22 DOI: 10.3390/nano13232997 Abstract: Recently, it was demonstrated that inelastic helium atom scattering from conducting surfaces provides a direct measurement of the surface electron–phonon coupling constant (mass enhancement factor λ) via the temperature or the incident wave vector dependence of [...]

Molecular Oxygen Trimer: Multiplet Structures and Stability Copy

2023-11-30T18:25:14+01:00Tags: , , , |

Authors: Castro-Gomez, L. Beatriz; Campos-Martínez, José; Hernández, Marta I.; Hernandez-Lamoneda, Ramon Journal: CHEMPHYSCHEM Publication date: 2023/10/05 DOI: 10.1002/cphc.202300387 Abstract: We present a detailed theoretical study of the molecular oxygen trimer where the potential energy surfaces of the seven multiplet states have been calculated by means of a pair approximation with very accurate dimer ab initio [...]

Detection of a C4 Criegee Intermediate: Fourier-Transform Microwave Spectroscopy of Methacrolein Oxide

2023-11-30T18:13:50+01:00Tags: , , , |

Authors: Endo, Yasuki; Chung, Chen-An; Witek, Henryk A.; Cabezas, Carlos; Lee, Yuan-Pern Journal: JOURNAL OF PHYSICAL CHEMISTRY A Publication date: 2023/10/10 DOI: 10.1021/acs.jpca.3c05553 Abstract: Pure rotational transitions of methacrolein oxide (MACRO) were observed by Fourier-transform microwave spectroscopy. Among the four low-lying conformers existing within an energy window of 3 kcal/mol, only the lowest-energy conformer, the [...]

Elastic and electronically inelastic scattering of electrons by the pyrazine molecule

2023-11-30T17:19:44+01:00Tags: , , , |

Authors: Silva, Murilo O.; Moreira, Giseli M.; Rosado, Jaime; Blanco, Francisco; Garcia, Gustavo; Bettega, Marcio H. F.; da Costa, Romarly F. Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2023/11/21 DOI: 10.1039/d3cp04619b Abstract: We report on elastic and electronically inelastic integral and differential cross sections as well as ionization and total cross sections for electron collisions [...]

Quantum computations in heavy noble-gas hydride cations: Reference energies and new spectroscopic data

2023-11-30T17:19:28+01:00Tags: , |

Authors: de Oca-Estevez, Maria Judit Montes; Prosmiti, Rita Journal: JOURNAL OF MOLECULAR GRAPHICS & MODELLING Publication date: 2023/11/01 DOI: 10.1016/j.jmgm.2023.108562 Abstract: Computational quantum chemistry has become a powerful tool with a wide range of possibilities to solve chemical-physical problems. As a result of this, the interest in the applications of computational quantum chemistry has expanded [...]

Attachment of Hydrogen Molecules to Atomic Ions (Na+, Cl-): Examination of an Adiabatic Separation of the H2 Rotational Motion

2023-11-30T17:19:33+01:00Tags: , , , |

Authors: Garcia-Arroyo, Esther; Campos-Martinez, Jose; Bartolomei, Massimiliano; Hernandez, Marta I.; Pirani, Fernando; Halberstadt, Nadine Journal: CHEMPHYSCHEM Publication date: 2023/10/29 DOI: 10.1002/cphc.202300424 Abstract: Interactions between molecular hydrogen and ions are of interest in cluster science, astrochemistry and hydrogen storage. In dynamical simulations, H-2 molecules are usually modelled as point particles, an approximation that can fail for [...]

¡Lo Fundamental en la Semana de la Ciencia 2023 está en el IFF-CSIC!

2023-11-08T18:29:28+01:00Tags: , , , , , , , , |

En esta Semana de la Ciencia 2023, el Instituto de Física Fundamental (IFF-CSIC) tira la casa por la ventana. Entre el 10 y 17 de noviembre, nuestras investigadoras e investigadores os proponen 9 actividades científicas cargadas de emociones, de disfrute y de aprendizaje. ¿Te interesa el comportamiento del esquivo gato de Schrödinger o de los [...]

Neural network-based emulation of interstellar medium models

2023-11-30T17:20:12+01:00Tags: |

Authors: Palud, Pierre; Einig, Lucas; Le Petit, Franck; Bron, Emeric; Chainais, Pierre; Chanussot, Jocelyn; Pety, Jerome; Thouvenin, Pierre-Antoine; Languignon, David; Beslic, Ivana; Santa-Maria, Miriam G.; Orkisz, Jan H.; Segal, Leontine E.; Zakardjian, Antoine; Bardeau, Sebastien; Gerin, Maryvonne; Goicoechea, Javier R.; Gratier, Pierre; Guzman, Viviana V.; Hughes, Annie; Levrier, Francois; Liszt, Harvey S.; Le Bourlot, Jacques; [...]

Transmon-qubit readout using an in situ bifurcation amplification in the mesoscopic regime

2023-11-30T17:19:40+01:00Tags: , |

Authors: Dassonneville, R.; Ramos, T.; Milchakov, V.; Mori, C.; Planat, L.; Foroughi, F.; Naud, C.; Hasch-Guichard, W.; Garcia-Ripoll, J. J.; Roch, N.; Buisson, O. Journal: PHYSICAL REVIEW APPLIED Publication date: 2023/10/19 DOI: 10.1103/PhysRevApplied.20.044050 Abstract: We demonstrate a transmon-qubit readout based on the nonlinear response to a drive of polaritonic meters in situ coupled to the [...]

Detection of a C4 Criegee Intermediate: Fourier-Transform Microwave Spectroscopy of Methacrolein Oxide

2023-11-30T17:19:30+01:00Tags: , , , |

Authors: Endo, Yasuki; Chung, Chen-An; Witek, Henryk A.; Cabezas, Carlos; Lee, Yuan-Pern Journal: JOURNAL OF PHYSICAL CHEMISTRY A Publication date: 2023/10/10 DOI: 10.1021/acs.jpca.3c05553 Abstract: Pure rotational transitions of methacrolein oxide (MACRO) were observed by Fourier-transform microwave spectroscopy. Among the four low-lying conformers existing within an energy window of 3 kcal/mol, only the lowest-energy conformer, the [...]

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