Sublimation of Li@C60

Experiments that probe the fundamental properties of endohedral fullerenes often require the preparation of molecular beams or thin films of the neutral molecules. It is challenging to cleanly sublime this class of molecules without producing some thermal degradation. We report combined gas phase an...

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Bibliographic Details
Published inThe European physical journal. D, Atomic, molecular, and optical physics Vol. 74; no. 6
Main Authors Campbell, Eleanor E. B., Chandler, Henry J., Schaub, Renald
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2020
Springer Nature B.V
Subjects
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Buckminsterfullerene
Decay
Fullerenes
Molecular
Molecular beams
Optical and Plasma Physics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Information Technology
Quantum Physics
Regular Article
Spectroscopy/Spectrometry
Spintronics
Sublimation
Thermal degradation
Thin films
Topical Issue: Atomic Cluster Collisions
Vapor phases
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Summary:Experiments that probe the fundamental properties of endohedral fullerenes often require the preparation of molecular beams or thin films of the neutral molecules. It is challenging to cleanly sublime this class of molecules without producing some thermal degradation. We report combined gas phase and scanning tunnelling microscopy studies that probe the thermal decay of commercial [Li + C 60 ]PF 6 - in a quartz ampoule and provide treatment conditions that will allow the sublimation of intact, neutral Li@C 60 accompanied by a well-characterised component of neutral C 60 . The decay of the material at appropriate temperatures can be modelled with the assumption of a second order decay process in the oven yielding Arrhenius parameters that can predict the ratio of Li@C 60 to C 60 in the sublimed material. Graphical abstract
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2020-10146-0