Publications associées à <i>Euclid</i>: The potential of slitless infrared spectroscopy: A <i>z</i> = 5.4 quasar and new ultracool dwarfs

Publications associées (20)

ELG spectroscopic systematics analysis of the DESI Data Release 1

Jean-Paul Richard Kneib, Jiaxi Yu, Daniel Felipe Forero Sanchez, Antoine Philippe Jacques Rocher

Dark Energy Spectroscopic Instrument (DESI) uses more than 2.4 million Emission Line Galaxies (ELGs) for 3D large-scale structure (LSS) analyses in its Data Release 1 (DR1). Such large statistics enable thorough research on systematic uncertainties. In thi ...

IOP Publishing Ltd2025

Nine lensed quasars and quasar pairs discovered through spatially extended variability in Pan-STARRS

Frédéric Courbin, Cameron Alexander Campbell Lemon, Aymeric Alexandre Galan, Frédéric Dux, Favio César Neira Diaz

We present the proof of concept of a method for finding strongly lensed quasars using their spatially extended photometric variability through difference imaging in cadenced imaging survey data. We applied the method to Pan-STARRS, starting with an initial ...

Edp Sciences S A2024

Ligand-modified nanoparticle surfaces influence CO electroreduction selectivity

Victor Carle Adrien Boureau

Improving the kinetics and selectivity of CO2/CO electroreduction to valuable multi-carbon products is a challenge for science and is a requirement for practical relevance. Here we develop a thiol-modified surface ligand strategy that promotes electrochemi ...

Nature Portfolio2024

A Brief History of Cosmology with Galaxy-Halo Relation and Systematics in Redshift Surveys

Jiaxi Yu

This dissertation traces the evolution of cosmology from its foundational theories to the forefront of modern observational studies, with a particular focus on the role of large-scale structure (LSS) probes. It begins with the establishment of General Rela ...

EPFL2024

EUV-induced hydrogen desorption as a step towards large-scale silicon quantum device patterning

Gabriel Aeppli

Atomically precise hydrogen desorption lithography using scanning tunnelling microscopy (STM) has enabled the development of single-atom, quantum-electronic devices on a laboratory scale. Scaling up this technology to mass-produce these devices requires br ...

Nature Portfolio2024

Euclid preparation: L. Calibration of the halo linear bias in Λ(v)CDM cosmologies

Frédéric Courbin, Georges Meylan

The Euclid mission, designed to map the geometry of the dark Universe, presents an unprecedented opportunity for advancing our understanding of the cosmos through its photometric galaxy cluster survey. Central to this endeavor is the accurate calibration o ...

2024

Optically detected magnetic resonance with an open source platform

Christophe Marcel Georges Galland, Mayeul Sylvain Chipaux, Elena Losero, Hossein Babashah, Hoda Shirzad, Valentin Luc Adrien Goblot

Localized electronic spins in solid-state environments form versatile and robust platforms for quantum sensing, metrology and quantum information processing. With optically detected magnetic resonance (ODMR), it is possible to prepare and readout highly co ...

Scipost Foundation2023

Investigation of the effects of the Greek extreme wildfires of August 2021 on air quality and spectral solar irradiance

Alexandros Papagiannis

In August 2021, a historic heatwave was recorded in Greece which resulted in extreme wildfire events that strongly affected the air quality over the city of Athens. Saharan dust was also transferred over Greece on certain days of the same period due to the ...

Copernicus Publications2023

Spatial Modulation of Vibrational and Luminescence Properties of Monolayer MoS & x2082; Using a GaAs Nanowire Array

Anna Fontcuberta i Morral, Wonjong Kim, Jean-Baptiste Leran, Mirjana Dimitrievska, Lucas Güniat, Didem Dede, Valerio Piazza, Akshay Balgarkashi

The integration of transition-metal dichalcogenides (TMDs) with non-planar substrates such as nanopillars provides a way to spatially modify the optical properties mainly through the localized strain. Similar studies to date have utilized insulating SiO2 n ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

H alpha-based star formation rates in and around z similar to 0.5 EDisCS clusters

Pascale Jablonka, Damien Louis Alexandre Spérone-Longin

We investigate the role of environment on star formation rates (SFRs) of galaxies at various cosmic densities in well-studied clusters. We present the star-forming main sequence for 163 galaxies in four EDisCS clusters in the range 0.4 < z < 0.7. We use Hu ...

OXFORD UNIV PRESS2022

Thermodynamics and dielectric response of BaTiO3 by data-driven modeling

Nicola Marzari, Michele Ceriotti, Giovanni Pizzi, Michele Kotiuga, Max David Veit, Lorenzo Gigli

Modeling ferroelectric materials from first principles is one of the successes of density-functional theory and the driver of much development effort, requiring an accurate description of the electronic processes and the thermodynamic equilibrium that driv ...

NATURE PORTFOLIO2022

Soft-mode dynamics and sublattice polarization in an archetypal antiferroelectric

Helmuth Berger

Terahertz and far-infrared techniques are combined with complementary Raman and inelastic neutron scattering results to probe the low-energy phonon dynamics of archetypal antiferroelectric candidate - francisite (Cu3Bi(SeO3)(2)O2Cl). The combined results c ...

IEEE2022

Reduction of PdO/Al2O3 in Liquid Cyclohexane Followed In Situ by ATR-IR, High-Energy XRD, and XAS

Oliver Kröcher, Davide Ferri, Thibault Xavier Florian Fovanna

Supported Pd-based catalysts used in heterogeneously catalyzed liquid phase processes often undergo an activation step through reduction of the oxide phase or of the oxidic passivation layer prior to reaction. An oxidized Pd/Al2O3 catalyst was reduced by u ...

AMER CHEMICAL SOC2021

Water Inhibition of Oxymethylene Dimethyl Ether Synthesis over Zeolite H-Beta: A Combined Kinetic and in Situ ATR-IR Study

Oliver Kröcher, Christophe Jean Baranowski, Thibault Xavier Florian Fovanna

The effect of water on the kinetics of oxymethylene dimethyl ether (OME) synthesis from dimethoxymethane (OME1) and trioxane (TRI) has been investigated in a combined kinetic and in situ infrared spectroscopy study. The kinetic study revealed that a water ...

AMER CHEMICAL SOC2020

Aom(2)S: A new web-based application for DNA/RNA tandem mass spectrometry data interpretation

Francisco Sepulveda, Paul Joseph Dyson, Natalia Gasilova, Laure Menin, Luc Patiny, Daniel Ortiz Trujillo

Rationale The Analysis of Oligonucleotide Modifications from Mass Spectra (Aom(2)S) was created to support the analysis of oligonucleotide mass spectra. This application complements the existing software tools by providing a comprehensive analysis of oligo ...

WILEY2020

Polarised black holes in ABJM

João Miguel Augusto Penedones Fernandes

We numerically construct asymptotically AdS(4) solutions to Einstein-Maxwell-dilaton theory. These have a dipolar electrostatic potential turned on at the conformal boundary S-2 x R-t. We find two classes of geometries: AdS soliton solutions that encode th ...

Springer Nature2017

Cyclometalated Iridium(III) Complexes Based on Phenyl-Imidazole Ligand

Michael Graetzel, Mohammad Khaja Nazeeruddin, Rosario Scopelliti

Phenyl-imidazole-based ligands with various substitution patterns have been used as the main ligand for heteroleptic bis-cyclometalated Iridium complexes. Two series of complexes have been prepared and their photophysical and electrochemical properties wer ...

2011

Modulus anomaly in magnesium matrix composites

Daniele Mari, Robert Schaller

Several magnesium matrix composites were investigated by means of mechanical spectroscopy. A modulus anomaly has been observed in the composites reinforced with fibers while the phenomenon does not occur with particles. This effect is attributed to bonding ...

Wiley2010

Spectroscopic probes of cold, gas-phase biomolecular ions: From amino acids to helical peptides

Thomas Rizzo, Oleg Boyarkine

2008

Gas traces measurement by photoacoustic spectroscopy using Helmholtz resonator-based sensors

Mario Mattiello

Photoacoustic spectroscopy is a well-established gas traces optical detection technique, which consists in the generation of an acoustic wave in the investigated gas compound excited by a modulated laser beam, and in the detection of this sound wave with a ...

EPFL2008