User profiles for A. K. Powell

Annie K. Powell

- Verified email at kit.edu - Cited by 27237

Andrew K Powell

- Verified email at ljmu.ac.uk - Cited by 2590

Strategies towards single molecule magnets based on lanthanide ions

R Sessoli, AK Powell - Coordination Chemistry Reviews, 2009 - Elsevier
We review here the synthetic strategies employed in a concerted effort to obtain new single
molecule magnets based on lanthanide ions in the framework of the research program on …

Constraining the coordination geometries of lanthanide centers and magnetic building blocks in frameworks: a new strategy for molecular nanomagnets

…, X Meng, W Shi, P Cheng, AK Powell - Chemical Society …, 2016 - pubs.rsc.org
Single-molecule magnets (SMMs) and single-chain magnets (SCMs), also known as molecular
nanomagnets, are molecular species of nanoscale proportions with the potential for high …

Structural motifs and topological representation of Mn coordination clusters

GE Kostakis, AM Ako, AK Powell - Chemical Society Reviews, 2010 - pubs.rsc.org
Powell's group as a postdoc fellow. His research interests are focused on the synthesis,
characterization and topology of coordination clusters (0D) and polymers (1D, 2D, 3D), crystal …

[PDF][PDF] Dysprosium triangles showing single-molecule magnet behavior of thermally excited spin states

…, CE Anson, C Benelli, R Sessoli, AK Powell - Angewandte Chemie …, 2006 - aoc.kit.edu
The study of paramagnetic metal-ion aggregates has been of increasing interest since the
observation that such molecules can exhibit magnetic memory effects.[1–3] Termed …

Strong Axiality and Ising Exchange Interaction Suppress Zero-Field Tunneling of Magnetization of an Asymmetric Dy2 Single-Molecule Magnet

…, HJ Zhang, LF Chibotaru, AK Powell - Journal of the …, 2011 - ACS Publications
The high axiality and Ising exchange interaction efficiently suppress quantum tunneling of
magnetization of an asymmetric dinuclear Dy III complex, as revealed by combined …

[PDF][PDF] Coupling Dy3 triangles enhances their slow magnetic relaxation.

…, J Luzon, M Etienne, R Sessoli, AK Powell - Angewandte …, 2010 - academia.edu
The discovery of single-molecule magnet (SMM) behavior, where relaxation and quantum
tunneling of the magnetization is molecule-based due to the presence of a blocking anisotropy…

[PDF][PDF] Coexistence of Distinct Single‐Ion and Exchange‐Based Mechanisms for Blocking of Magnetization in a CoII2DyIII2 Single‐Molecule Magnet

…, LF Chibotaru, CE Anson, AK Powell - Angewandte Chemie …, 2012 - academia.edu
Research efforts in the quest for new single-molecule magnets (SMMs) have increasingly
focused on systems either based on or else incorporating 4f ions.[1] For most pure 3d systems, …

Multicolor silicon light-emitting diodes (SiLEDs)

…, T Bocksrocker, M Bruns, C Kübel, AK Powell… - Nano …, 2013 - ACS Publications
We present highly efficient electroluminescent devices using size-separated silicon nanocrystals
(ncSi) as light emitting material. The emission color can be tuned from the deep red …

Synthesis, structures, and magnetic properties of Fe2, Fe17, and Fe19 oxo-bridged iron clusters: the stabilization of high ground state spins by cluster aggregates

AK Powell, SL Heath, D Gatteschi, L Pardi… - Journal of the …, 1995 - ACS Publications
The compound [Fe (heidi)(H20)] 2, where H3heidi= N (CH2COOH) 2 (CH2CH20H), crystallizes
in a triclinic space group PI, with a= 6.838 (1) Á, b= 7.058 (1) Á, c= 9.676 (2) Á, a= 103.29 …

Magnetostructural correlations in the tetranuclear series of butterfly core clusters: Magnetic and Mössbauer spectroscopic study

…, G Schinteie, V Mereacre, CE Anson, AK Powell… - Physical Review B, 2009 - APS
Magnetostructural correlations in the tetranuclear series of {Fe3LnO2} butterfly core clusters:
Magnetic and Mössbauer spectros Page 1 Magnetostructural correlations in the …