Magnetization Dynamics and Coherent Spin Manipulation of a Propeller Gd(III) Complex with the Smallest Helicene Ligand.
Gabriela HandzlikMichał MagottMirosław ArczyńskiAlena M ShevelevaFloriana TunaMarcin SarewiczArtur OsyczkaMichał RamsVeacheslav VieruLiviu F ChibotaruDawid PinkowiczPublished in: The journal of physical chemistry letters (2020)
A homoleptic gadolinium(III) complex with the smallest helicene-type ligand, 1,10-phenanthroline-N,N'-dioxide (phendo) [Gd(phendo)4](NO3)3·xMeOH (phendo = 1,10-phenanthroline-N,N'-dioxide, MeOH = methanol), shows slow relaxation of the magnetization characteristic for Single Ion Magnets (SIM), despite negligible magnetic anisotropy, confirmed by ab initio calculations. Solid state dilution magnetic and EPR studies reveal that the magnetization dynamics of the [Gd(phendo)4]3+ cation is controlled mainly by a Raman process. Pulsed EPR experiments demonstrate long phase memory times (up to 2.7 μs at 5 K), enabling the detection of Rabi oscillations at 20 K, which confirms coherent control of its spin state.
Keyphrases
- solid state
- density functional theory
- single molecule
- molecularly imprinted
- room temperature
- working memory
- molecular dynamics
- label free
- ionic liquid
- liquid chromatography tandem mass spectrometry
- genome wide
- magnetic resonance imaging
- loop mediated isothermal amplification
- transition metal
- liquid chromatography
- real time pcr
- case control
- mass spectrometry
- ms ms
- gas chromatography