000148034 001__ 148034
000148034 005__ 20250110163829.0
000148034 0247_ $$2doi$$a10.1039/d4tc03152k
000148034 0248_ $$2sideral$$a141581
000148034 037__ $$aART-2025-141581
000148034 041__ $$aeng
000148034 100__ $$aBartolomé, Elena
000148034 245__ $$aLight-induced magnetic switching in a coumarin-based Tb single molecule magnet
000148034 260__ $$c2025
000148034 5060_ $$aAccess copy available to the general public$$fUnrestricted
000148034 5203_ $$aWe present the intriguing magneto-optical properties of the lanthanide complex [Tb(coum)3(batho)]·[0.7EtOH], named Tb–batho, based on coum = 3-acetyl-4-hydroxylato-coumarin and batho = bathophenanthroline ligands. Tb–batho displays visible-range luminescence with a notable quantum yield (58%) upon sensitization of the “antenna” ligands. Employing a SQUID magnetometer equipped with a magneto-optic option, we conducted comprehensive in situ measurements of light-induced magnetization changes across varied magnetic fields, temperatures, and frequencies, utilizing light wavelengths ranging from 275 to 800 nm. A reversible magnetic modulation of magnetization is observed upon toggling the light “on” and “off,” particularly pronounced at 380 nm excitation, resulting in a magnetization change ΔM(off/on) = 0.376μB fu−1 (ca. 42.6% of the magnetization) at 1.8 K and 1 kOe. Although Tb–batho exhibits field-induced single ion magnet (SIM) behavior, characterized by a thermally-activated process with an activation energy of Ueff/kB = 16.6 K @ 3 kOe and a slow direct process influenced by bottleneck effects, light irradiation does not noticeably alter its dynamic properties. All in all, Tb–batho emerges as a versatile multifunctional molecular material integrating SIM behavior, luminescence and light-induced magnetic switching, holding interest for diverse electronic applications, sensors, or quantum computing.
000148034 536__ $$9info:eu-repo/grantAgreement/ES/AEI/CEX2023-001263-S$$9info:eu-repo/grantAgreement/ES/AEI/CEX2023-001286-S$$9info:eu-repo/grantAgreement/ES/DGA-FSE/E12-23R-RASMIA$$9info:eu-repo/grantAgreement/ES/MICINN/PID2022-138492NB-I00
000148034 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc$$uhttp://creativecommons.org/licenses/by-nc/3.0/es/
000148034 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000148034 700__ $$0(orcid)0000-0002-5999-341X$$aArauzo, Ana$$uUniversidad de Zaragoza
000148034 700__ $$aLuzón, Javier
000148034 700__ $$aGasque, Laura
000148034 7102_ $$12003$$2395$$aUniversidad de Zaragoza$$bDpto. Física Materia Condensa.$$cÁrea Física Materia Condensada
000148034 773__ $$g13, 2 (2025), 831-841$$pJ. mater. chem. C$$tJOURNAL OF MATERIALS CHEMISTRY C$$x2050-7526
000148034 8564_ $$s2057243$$uhttps://zaguan.unizar.es/record/148034/files/texto_completo.pdf$$yVersión publicada
000148034 8564_ $$s2904403$$uhttps://zaguan.unizar.es/record/148034/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000148034 909CO $$ooai:zaguan.unizar.es:148034$$particulos$$pdriver
000148034 951__ $$a2025-01-10-14:25:35
000148034 980__ $$aARTICLE