Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets
- Autores
- Funes, Víctor Alejandro; Alborés, Pablo
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- In this work we review the Co2 IIILn2 III family of compounds reported up to date that shows SMM features. The vast majority of them show a butterfly arrangement with LnIII ions placed at the body positions. The number of DyIII examples constitutes the majority, probably because of the intrinsic properties of this lanthanide ion regarding SMMs characteristics. Butterfly complexes have a SAP geometry around LnIII ions with a variety of distortion degrees. However, when looking at the key Ueff parameter trend through this family of complexes, it becomes clear that a pure geometrical consideration is not enough to explain it. Ab initio based calculations provide evidence of highly anisotropic mJ ground states for complexes where LnIII = DyIII, pointing to exclusively mJ = 15/2 ground Kramers doublets. These calculations also agree with the thermally activated relaxation involving the first excited state and, in some examples where multiple relaxation pathways are observed, higher excited states. A few examples prove that Raman and/or direct mechanisms cannot be discarded a priori. Only two examples of isostructural LnIII families of the same Co2 IIILn2 III complex can be found.
Fil: Funes, Víctor Alejandro. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inorgánica, Analítica y Química Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina
Fil: Alborés, Pablo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inorgánica, Analítica y Química Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina - Materia
-
COBALT
LANTHANIDES
MAGNETIC PROPERTIES
SINGLE-MOLECULE MAGNETS
SLOW RELAXATION - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/88655
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Recent Developments in CoIII 2LnIII 2 Single-Molecule MagnetsFunes, Víctor AlejandroAlborés, PabloCOBALTLANTHANIDESMAGNETIC PROPERTIESSINGLE-MOLECULE MAGNETSSLOW RELAXATIONhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1In this work we review the Co2 IIILn2 III family of compounds reported up to date that shows SMM features. The vast majority of them show a butterfly arrangement with LnIII ions placed at the body positions. The number of DyIII examples constitutes the majority, probably because of the intrinsic properties of this lanthanide ion regarding SMMs characteristics. Butterfly complexes have a SAP geometry around LnIII ions with a variety of distortion degrees. However, when looking at the key Ueff parameter trend through this family of complexes, it becomes clear that a pure geometrical consideration is not enough to explain it. Ab initio based calculations provide evidence of highly anisotropic mJ ground states for complexes where LnIII = DyIII, pointing to exclusively mJ = 15/2 ground Kramers doublets. These calculations also agree with the thermally activated relaxation involving the first excited state and, in some examples where multiple relaxation pathways are observed, higher excited states. A few examples prove that Raman and/or direct mechanisms cannot be discarded a priori. Only two examples of isostructural LnIII families of the same Co2 IIILn2 III complex can be found.Fil: Funes, Víctor Alejandro. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inorgánica, Analítica y Química Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; ArgentinaFil: Alborés, Pablo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inorgánica, Analítica y Química Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; ArgentinaWiley VCH Verlag2018-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/88655Funes, Víctor Alejandro; Alborés, Pablo; Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets; Wiley VCH Verlag; European Journal of Inorganic Chemistry; 2018; 20; 6-2018; 2067-20891434-1948CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1002/ejic.201800253info:eu-repo/semantics/altIdentifier/doi/10.1002/ejic.201800253info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:46:28Zoai:ri.conicet.gov.ar:11336/88655instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:46:28.443CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
title |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
spellingShingle |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets Funes, Víctor Alejandro COBALT LANTHANIDES MAGNETIC PROPERTIES SINGLE-MOLECULE MAGNETS SLOW RELAXATION |
title_short |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
title_full |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
title_fullStr |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
title_full_unstemmed |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
title_sort |
Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets |
dc.creator.none.fl_str_mv |
Funes, Víctor Alejandro Alborés, Pablo |
author |
Funes, Víctor Alejandro |
author_facet |
Funes, Víctor Alejandro Alborés, Pablo |
author_role |
author |
author2 |
Alborés, Pablo |
author2_role |
author |
dc.subject.none.fl_str_mv |
COBALT LANTHANIDES MAGNETIC PROPERTIES SINGLE-MOLECULE MAGNETS SLOW RELAXATION |
topic |
COBALT LANTHANIDES MAGNETIC PROPERTIES SINGLE-MOLECULE MAGNETS SLOW RELAXATION |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
In this work we review the Co2 IIILn2 III family of compounds reported up to date that shows SMM features. The vast majority of them show a butterfly arrangement with LnIII ions placed at the body positions. The number of DyIII examples constitutes the majority, probably because of the intrinsic properties of this lanthanide ion regarding SMMs characteristics. Butterfly complexes have a SAP geometry around LnIII ions with a variety of distortion degrees. However, when looking at the key Ueff parameter trend through this family of complexes, it becomes clear that a pure geometrical consideration is not enough to explain it. Ab initio based calculations provide evidence of highly anisotropic mJ ground states for complexes where LnIII = DyIII, pointing to exclusively mJ = 15/2 ground Kramers doublets. These calculations also agree with the thermally activated relaxation involving the first excited state and, in some examples where multiple relaxation pathways are observed, higher excited states. A few examples prove that Raman and/or direct mechanisms cannot be discarded a priori. Only two examples of isostructural LnIII families of the same Co2 IIILn2 III complex can be found. Fil: Funes, Víctor Alejandro. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inorgánica, Analítica y Química Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina Fil: Alborés, Pablo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Inorgánica, Analítica y Química Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Química, Física de los Materiales, Medioambiente y Energía. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Química, Física de los Materiales, Medioambiente y Energía; Argentina |
description |
In this work we review the Co2 IIILn2 III family of compounds reported up to date that shows SMM features. The vast majority of them show a butterfly arrangement with LnIII ions placed at the body positions. The number of DyIII examples constitutes the majority, probably because of the intrinsic properties of this lanthanide ion regarding SMMs characteristics. Butterfly complexes have a SAP geometry around LnIII ions with a variety of distortion degrees. However, when looking at the key Ueff parameter trend through this family of complexes, it becomes clear that a pure geometrical consideration is not enough to explain it. Ab initio based calculations provide evidence of highly anisotropic mJ ground states for complexes where LnIII = DyIII, pointing to exclusively mJ = 15/2 ground Kramers doublets. These calculations also agree with the thermally activated relaxation involving the first excited state and, in some examples where multiple relaxation pathways are observed, higher excited states. A few examples prove that Raman and/or direct mechanisms cannot be discarded a priori. Only two examples of isostructural LnIII families of the same Co2 IIILn2 III complex can be found. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-06 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/88655 Funes, Víctor Alejandro; Alborés, Pablo; Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets; Wiley VCH Verlag; European Journal of Inorganic Chemistry; 2018; 20; 6-2018; 2067-2089 1434-1948 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/88655 |
identifier_str_mv |
Funes, Víctor Alejandro; Alborés, Pablo; Recent Developments in CoIII 2LnIII 2 Single-Molecule Magnets; Wiley VCH Verlag; European Journal of Inorganic Chemistry; 2018; 20; 6-2018; 2067-2089 1434-1948 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1002/ejic.201800253 info:eu-repo/semantics/altIdentifier/doi/10.1002/ejic.201800253 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley VCH Verlag |
publisher.none.fl_str_mv |
Wiley VCH Verlag |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.13397 |