Author/Authors :
M. Mannini، نويسنده , , Joseph P. Messina، نويسنده , , L. Sorace، نويسنده , , L. Gorini، نويسنده , , M. Fabrizioli، نويسنده , , A. Caneschi، نويسنده , , Y. Manassen، نويسنده , , P. Sigalotti، نويسنده , , P. Pittana، نويسنده , , D. Gatteschi، نويسنده ,
Abstract :
We present our recent efforts in the build-up of a room temperature electron spin noise scanning tunnelling microscope (ESN-STM) designed for ultra-thin molecular films investigation. We describe here the first results obtained with this system on a commercial paramagnetic molecule deposited on Au(1 1 1) surfaces, namely 1,1-diphenyl-2-picrylhydrazyl (DPPH). Further we briefly present our ongoing work on the preparation and characterization of a new class of samples for this instrumentation. These are based on the self-assembling on surfaces of functionalized organic radicals. We suggest here a complete procedure to assess a good candidate molecule for ESN-STM experiments through X-band CW-ESR, standard STM investigations and ToF-SIMS analysis.
Keywords :
ESN , STM , ESR , Organic radicals , Ultrathin films
