Search Results - "Moreira, P R"

Optimal Oriented External Electric Fields to Trigger a Barrierless Oxaphosphetane Ring Opening Step of the Wittig Reaction by Bofill, Josep Maria, Severi, Marco, Quapp, Wolfgang, Ribas‐Ariño, Jordi, P. R. Moreira, Ibério, Albareda, Guillermo

“…The Wittig reaction is one of the most important processes in organic chemistry for the asymmetric synthesis of olefinic compounds. In view of the increasingly…”
Get full text

Fermion localization in braneworld teleparallel f(T, B) gravity by Moreira, A. R. P., Silva, J. E. G., Almeida, C. A. S.

“…We study a spin 1/2 fermion in a thick braneworld in the context of teleparallel f ( T ,  B ) gravity. Here, f ( T ,  B ) is such that f 1 ( T , B ) = T + k 1…”
Get full text

2D Hexagonal Covalent Organic Radical Frameworks as Tunable Correlated Electron Systems by Santiago, Raul, Alcón, Isaac, Ribas‐Arino, Jordi, Deumal, Mercè, P. R. Moreira, Ibério, Bromley, Stefan T.

“…Quantum materials hold huge technological promise but challenge the fundamental understanding of complex electronic interactions in solids. The Mott…”
Get full text

Controlling pairing of π-conjugated electrons in 2D covalent organic radical frameworks via in-plane strain by Alcón, Isaac, Santiago, Raúl, Ribas-Arino, Jordi, Deumal, Mercè, Moreira, Ibério de P. R., Bromley, Stefan T.

“…Controlling the electronic states of molecules is a fundamental challenge for future sub-nanoscale device technologies. π-conjugated bi-radicals are very…”
Get full text

Selective sweeps on novel and introgressed variation shape mimicry loci in a butterfly adaptive radiation by Moest, Markus, Van Belleghem, Steven M, James, Jennifer E, Salazar, Camilo, Martin, Simon H, Barker, Sarah L, Moreira, Gilson R P, Mérot, Claire, Joron, Mathieu, Nadeau, Nicola J, Steiner, Florian M, Jiggins, Chris D

“…Natural selection leaves distinct signatures in the genome that can reveal the targets and history of adaptive evolution. By analysing high-coverage genome…”
Get full text

Redox-Induced Gating of the Exchange Interactions in a Single Organic Diradical by Gaudenzi, Rocco, de Bruijckere, Joeri, Reta, Daniel, Moreira, Ibério de P. R, Rovira, Concepció, Veciana, Jaume, van der Zant, Herre S. J, Burzurí, Enrique

“…Embedding a magnetic electroactive molecule in a three-terminal junction allows for the fast and local electric field control of magnetic properties desirable…”
Get full text

Existence of multi-radical and closed-shell semiconducting states in post-graphene organic Dirac materials by Alcón, Isaac, Viñes, Francesc, Moreira, Iberio de P. R., Bromley, Stefan T.

“…Post-graphene organic Dirac (PGOD) materials are ordered two-dimensional networks of triply bonded sp 2 carbon nodes spaced by π -conjugated linkers. PGOD…”
Get full text

Exchange Coupling Inversion in a High-Spin Organic Triradical Molecule by Gaudenzi, R, Burzurí, E, Reta, D, Moreira, I. de P. R, Bromley, S. T, Rovira, C, Veciana, J, van der Zant, H. S. J

“…The magnetic properties of a nanoscale system are inextricably linked to its local environment. In adatoms on surfaces and inorganic layered structures, the…”
Get full text

Genomic architecture and introgression shape a butterfly radiation by Edelman, Nathaniel B, Frandsen, Paul B, Miyagi, Miriam, Clavijo, Bernardo, Davey, John, Dikow, Rebecca B, García-Accinelli, Gonzalo, Van Belleghem, Steven M, Patterson, Nick, Neafsey, Daniel E, Challis, Richard, Kumar, Sujai, Moreira, Gilson R P, Salazar, Camilo, Chouteau, Mathieu, Counterman, Brian A, Papa, Riccardo, Blaxter, Mark, Reed, Robert D, Dasmahapatra, Kanchon K, Kronforst, Marcus, Joron, Mathieu, Jiggins, Chris D, McMillan, W Owen, Di Palma, Federica, Blumberg, Andrew J, Wakeley, John, Jaffe, David, Mallet, James

“…We used 20 de novo genome assemblies to probe the speciation history and architecture of gene flow in rapidly radiating butterflies. Our tests to distinguish…”
Get full text

Adjusting UV‐Vis Spectrum of Alizarin by Insertion of Auxochromes by Noori, Zahra, P. R. Moreira, Ibério, Bofill, Josep Maria, Poater, Jordi

“…First synthesized in 1868, alizarin became one of the first synthetic dyes and was widely used as a red dye in the textile industry, making it more affordable…”
Get full text

Electronic Structure and Magnetic Properties of CuFeS2 by Conejeros, Sergio, Alemany, Pere, Llunell, Miquel, Moreira, Ibério de P. R, Sánchez, Vı́ctor, Llanos, Jaime

“…Chalcopyrite (CuFeS2) is an antiferromagnetic semiconductor with unusual magnetic and electrical properties, which are still not clearly understood. Neutron…”
Get full text

Experimental and Computational Evidence of the Biradical Structure and Reactivity of Titanium(IV) Enolates by Heras, Carlos, Gómez-Palomino, Alejandro, Romea, Pedro, Urpí, Fèlix, Bofill, Josep Maria, Moreira, Ibério de P. R

“…Quantum chemical calculations have unveiled the unexpected biradical character of titanium­(IV) enolates from N-acyl oxazolidinones and thiazolidinethiones…”
Get full text

New mechanism for fermion localization in the presence of anti-curvature tensor by Moreira, A. R. P., Dong, Shi-Hai, Ahmed, F.

“…This study aims into brane-world scenarios within the framework of f ( R ,  A ) gravity called Ricci-inverse modified theory, exploring the dynamics of…”
Get full text

Probability measures of fermions on branes by Moreira, A. R. P., Dong, Shi-Hai

“…In our research, we explore the impact of a geometric non-minimal coupling between fermions and curvature scalars on the positioning of fermions within a brane…”
Get full text

CPT-even electrodynamics in a multidimensional torus: Casimir effect at finite temperature by Moreira, R. P. M., Petronilo, G. X. A., Santana, A. E., Amorim, R. G. G., Belich, H.

“…The energy–momentum tensor for the electromagnetism with Lorentz breaking even term of the Standard Model Extended (SME) photon sector confined in a hyper…”
Get full text

Magnetic Coupling Constants in Three Electrons Three Centers Problems from Effective Hamiltonian Theory and Validation of Broken Symmetry-Based Approaches by Reta, Daniel, Moreira, Ibério de P. R, Illas, Francesc

“…In the most general case of three electrons in three symmetry unrelated centers with Ŝ 1 = Ŝ 2 = Ŝ 3 = 1/2 localized magnetic moments, the low energy…”
Get full text

Leap from Diradicals to Tetraradicals by Topological Control of π‑Conjugation by Betkhoshvili, Sergi, Poater, Jordi, Moreira, Ibério de P. R., Bofill, Josep Maria

“…In this work, we explore the series of diradical­(oid)­s based on 2,2′-(5,11-dihydroindolo­[3,2-b]­carbazole-3,9-diyl)­dimalononitrile (further referred to as…”
Get full text

Controlling the Diradical Character of Thiele Like Compounds by Anglada, Josep M., Poater, Jordi, Moreira, Ibério de P. R., Bofill, Josep Maria

“…Organic diradicals play an important role in many fields of chemistry, biochemistry, and materials science. In this work, by means of high-level theoretical…”
Get full text

Gauge field localization in branes: coupling to a scalar function and coupling to torsion in teleparallel gravity scenario by Moreira, A. R. P., Belchior, F. M., Maluf, R. V., Almeida, C. A. S.

“…This paper is aimed at investigating the behavior of gauge vector and tensor fields on thick brane in f ( T ) gravity. This thick brane is not capable of…”
Get full text

Localization of abelian gauge fields with Stueckelberg-like geometrical coupling on f(T, B)-thick brane by Belchior, F. M., Moreira, A. R. P., Maluf, R. V., Almeida, C. A. S.

“…In the context of f ( T ,  B ) modified teleparallel gravity, we investigate the influence of torsion scalar T and boundary term B on the confinement of both…”
Get full text