Towards the detection of single polychlorotriphenylmethyl radical derivatives by means of Electron Spin Noise STM

Veronica Mugnaini, Mauro Fabrizioli, Imma Ratera, Matteo Mannini, Andrea Caneschi, Dante Gatteschi, Yishay Manassen, Jaume Veciana

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The Electron Spin Noise Scanning Tunnelling Microscopy (ESN-STM) technique is one of the most promising techniques detecting one single spin, combining the spatial resolution of the STM with the ability of spectral resolution and spin manipulation of Electron Spin Resonance. After its first observation, the effectiveness of this technique has been tested by different groups to study the properties of small aggregates or single organic radical molecules. We report on the ongoing ESN-STM study on nano-aggregates of tris(2,4,6-thrichlorophenyl)methyl radical (TTM) derivatives, whose possibility to be used as wires, switches and memory devices has already been investigated in bulk. After deposition on Au(111), TTM radicals preserved their magnetism. To treat the collected noise data we followed a statistical approach; some peculiar characteristics of this analysis will be addressed.

Original languageEnglish
Pages (from-to)956-960
Number of pages5
JournalSolid State Sciences
Volume11
Issue number5
DOIs
StatePublished - 1 May 2009

Keywords

  • CW-ESR
  • Molecular magnetism
  • Organic radicals
  • STM
  • Single spin detection

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