Quantum spin dynamics

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Chemical reactions inside single-walled carbon nano test-tubes.

Chemical Communications 1 (2005) 37-39

Authors:

GA Briggs, Britz, D A, Khlobystov, A N, Porfyrakis, K
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Distinguishing two isomers of Nd@C82 by scanning tunneling microscopy and density functional theory

CHEMICAL PHYSICS LETTERS 414:4-6 (2005) 307-310

Authors:

DF Leigh, JHG Owen, SM Lee, K Porfyrakis, A Ardavan, TJS Dennis, DG Pettifor, GAD Briggs
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Electron paramagnetic resonance studies of the high-spin molecule Cr10(OMe)20(O2CCMe3)10 -: art. no. 03250

APPLIED PHYSICS LETTERS 86:3 (2005) ARTN 032507

Authors:

S Sharmin, A Ardavan, SJ Blundell, AI Coldea, EJL McInnes, D Low
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Hyperfine structure of Sc@C82 from ESR and DFT

NANOTECHNOLOGY 16:11 (2005) 2469-2473

Authors:

GW Morley, BJ Herbert, SM Lee, K Porfyrakis, TJS Dennis, D Nguyen-Manh, R Scipioni, J van Tol, AP Horsfield, A Ardavan, DG Pettifor, JC Green, GAD Briggs
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Isolation and spectroscopic characterization of two isomers of the metallofullerene Nd@C-82

AIP CONF PROC 786 (2005) 73-76

Authors:

K Porfyrakis, M Kanai, GW Morley, A Ardavan, TJS Dennis, GAD Briggs

Abstract:

For the first time, two types of the metallofullerene Nd@C-82 have been isolated and characterized. HPLC was used to isolate Nd@C-82(I, II). The two isomers were characterized by mass spectrometry and UV-Vis-NIR absorption spectroscopy. Nd@C82(I) was found to be similar in structure to the main isomer of other lanthanofullerenes such as La@C-82, as was previously reported. We assign Nd@C-82(I) to have a C-2v cage symmetry. Nd@C-82(II) showed a markedly different UV-Vis-NIR absorption spectrum to Nd@C-82(I). Its spectrum is in good agreement with that of the minor isomer of metallofullerenes such as Pr@C-82. We therefore assign Nd@C-82(II) to have a C-s cage symmetry. In contrast to other metallofullerenes, both isomers appear to be equally abundant.
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