Autor según el artículo: Francese, Tommaso; Ribas-Arino, Jordi; Novoa, Juan J.; Havenith, Remco W. A.; Broer, Ria; de Graaf, Coen; Deumal, Merce;
Departamento: Química Física i Inorgànica
Autor/es de la URV: De Graaf, Cornelis
Palabras clave: Topology Spin transitions Radicals Polarization Energy differences Crystal-structures Crossover Bistability Behavior 1st-principles bottom-up
Resumen: Magnetic bistability in organic-radical based materials has attracted significant interest due to its potential application in electronic devices. The first-principles bottom-up study herein presented aims at elucidating the key factors behind the different magnetic response of the low and high temperature phases of four different switchable dithiazolyl (DTA)-based compounds. The drastic change in the magnetic response upon spin transition is always due to the changes in the J(AB) magnetic interactions between adjacent radicals along the -stacks of the crystal, which in turn are driven mostly by the changes in the interplanar distance and degree of lateral slippage, according to the interpretation of a series of magneto-structural correlation maps. Furthermore, specific geometrical dispositions have been recognized as a ferromagnetic fingerprint in such correlations. Our results thus show that an appropriate substitution of the chemical skeleton attached to the DTA ring could give rise to new organic materials with dominant ferromagnetic interactions.
Áreas temáticas: Química Physics, atomic, molecular & chemical Physics and astronomy (miscellaneous) Physics and astronomy (all) Physical and theoretical chemistry Odontología Medicina ii Medicina i Materiais Matemática / probabilidade e estatística Interdisciplinar Geociências General physics and astronomy General medicine Farmacia Ensino Engenharias iv Engenharias iii Engenharias ii Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciências agrárias i Ciência de alimentos Ciência da computação Chemistry, physical Biotecnología Biodiversidade Astronomia / física
Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 14639076
Direcció de correo del autor: coen.degraaf@urv.cat
Identificador del autor: 0000-0001-8114-6658
Fecha de alta del registro: 2024-09-07
Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
URL Documento de licencia: https://repositori.urv.cat/ca/proteccio-de-dades/
Referencia al articulo segun fuente origial: Physical Chemistry Chemical Physics. 20 (31): 20406-20416
Referencia de l'ítem segons les normes APA: Francese, Tommaso; Ribas-Arino, Jordi; Novoa, Juan J.; Havenith, Remco W. A.; Broer, Ria; de Graaf, Coen; Deumal, Merce; (2018). The magnetic fingerprint of dithiazolyl-based molecule magnets. Physical Chemistry Chemical Physics, 20(31), 20406-20416. DOI: 10.1039/c8cp03173h
Entidad: Universitat Rovira i Virgili
Año de publicación de la revista: 2018
Tipo de publicación: Journal Publications
Repositori URV