Single-Ion Magnets with Giant Magnetic Anisotropy and Zero-Field Splitting
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DOI: 10.1021/acsomega.2c06119
Abstract: The design of mononuclear molecular nanomagnets exhibiting a huge energy barrier to the reversal of magnetization have seen a surge of interest during the last few decades due to their potential technological applications. More specifically,… read more here.
Keywords: zero field; field splitting; ion magnets; single ion ... See more keywords
Lanthanide(III)-Based Single-Ion Magnets
Sign Up to like & getrecommendations! Published in 2018 at "ACS Omega"
DOI: 10.1021/acsomega.8b01204
Abstract: Mononuclear lanthanide-based single-ion magnets (SIMs) are known since 2003 with the discovery of SIM properties in a bis-(phthalocyaninato)lanthanide complex. A recent report on [Dy(Cpttt)2][BC6F5] indicating that it exhibits the highest known blocking temperature (60 K)… read more here.
Keywords: single ion; lanthanide iii; based single; ion magnets ... See more keywords
Sublimable chloroquinolinate lanthanoid single-ion magnets deposited on ferromagnetic electrodes† †Electronic supplementary information (ESI) available. CCDC 1557647–1557649. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c7sc03463f
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Science"
DOI: 10.1039/c7sc03463f
Abstract: Magnetic analogues of Alq3 give rise to molecular/ferromagnetic interfaces with specific hybridization, opening the door to interesting spintronic effects. read more here.
Keywords: single ion; ion magnets; lanthanoid single; magnets deposited ... See more keywords
Three Dy(iii) single-ion magnets bearing the tropolone ligand: structure, magnetic properties and theoretical elucidation.
Sign Up to like & getrecommendations! Published in 2019 at "Dalton transactions"
DOI: 10.1039/c9dt00364a
Abstract: The reactions of dysprosium nitrate with the main ligand of tropolone (HL) in the presence of ancillary ligands of phenanthroline (phen) or 1,3,5-benzenetricarboxylic acid (H3BTC) gave three mononuclear complexes, [Dy(phen)2(L)(NO3)2] (1), [Dy(phen)(L)3]·H2O (2) and [Dy(H3BTC)(H2O)(L)3]2·3H2O… read more here.
Keywords: single ion; ion magnets; magnetic properties; ion ... See more keywords
Insertion of single-ion magnets based on mononuclear Co(II) complexes into ferromagnetic oxalate-based networks.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt00595b
Abstract: The 1 : 2 and 1 : 1 Co(ii) complexes of the L ligand (L = 6-(3,5-diamino-2,4,6-triazinyl)2,2'-bipyridine) with formulas [CoII(L)2](ClO4)2·0.5MeCN·Et2O (1) and [CoII(L)(CH3CN)2(H2O)](ClO4)2·MeCN (2) have been prepared. The structural and magnetic characterization of the two compounds shows that they… read more here.
Keywords: oxalate; single ion; ion magnets; insertion single ... See more keywords
Effect of an axial coordination environment on quantum tunnelling of magnetization for dysprosium single-ion magnets with theoretical insight.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d1dt03678e
Abstract: Herein, we report two mononuclear dysprosium complexes [Dy(H4L){B(OMe)2(Ph)2}2](Cl)·MeOH (1) and [Dy(H4L){MeOH)2(NCS)2}](Cl) (2) [where H4L = 2,2'-(pyridine-2,6-diylbis(ethan-1-yl-1-ylidene))bis(N-phenylhydrazinecarboxamide)] with different axial coordination environments. The structural analysis revealed that the pentadentate H4L ligand binds through the equatorial position… read more here.
Keywords: ion magnets; dysprosium; axial coordination; meoh ... See more keywords
Effects of strong coordination bonds at the axial or equatorial positions on magnetic relaxation for pentagonal bipyramidal dysprosium(III) single-ion magnets.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt02402k
Abstract: Three pentagonal bipyramidal mononuclear Dy(III) complexes based on amino-substituted nitrophenol and tetradentate amide ligands of formulas [Dy(Hbpen)(OPhNO2NH2Cl)Cl2] (1), [Dy(Hbpen)(OPhNO2NH2)Cl2] (2) and [Dy(Hbpen)(OPhNO2NH2Cl)3] (3) (Hbpen = N,N'-bis(2-pyridylmethyl)-ethylenediamine, OPhNO2NH2Cl = 2-amino-6-chloro-4-nitrophenol, and OPhNO2NH2 = 2-amino-4-nitrophenol) were isolated.… read more here.
Keywords: ion magnets; coordination; equatorial positions; single ion ... See more keywords
Air-stable Four-Coordinate Cobalt(II) Single-Ion Magnets: Experimental and Ab-Initio Ligand Field Analyses of Correlations Between Dihedral Angles and Magnetic Anisotropy
Sign Up to like & getrecommendations! Published in 2023 at "Chemical Science"
DOI: 10.1039/d3sc00813d
Abstract: For single ion magnets (SIMs), understanding the effects of the local coordination environment and ligand field on magnetic anisotropy is key to controlling their magnetic properties. Here we present a... read more here.
Keywords: magnetic anisotropy; ion magnets; single ion; ligand field ... See more keywords
Understanding magnetic relaxation in single-ion magnets with high blocking temperature
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.174402
Abstract: The recent discovery of single-ion magnets with magnetic hysteresis above liquid-nitrogen temperatures placed these compounds among the best candidates to realize high-density storage devices. Starting from a prototypical dysprosocenium molecule, showing hysteresis up to 60… read more here.
Keywords: high blocking; relaxation; single ion; ion magnets ... See more keywords
Trigonally Distorted Hexacoordinate Co(II) Single-Ion Magnets
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15031064
Abstract: By simple reactions involving various cobalt(II) carboxylates (acetate and in situ prepared pivalate and 4-hydroxybenzoate salts) and neocuproine (neo), we were able to prepare three different carboxylate complexes with the general formula [Co(neo)(RCOO)2] (R =… read more here.
Keywords: ion magnets; trigonally distorted; hexacoordinate single; single ion ... See more keywords