Sqalli, OmarBernal, Maria-PilarHoffmann, PatrikMarquis-Weible, Fabienne2009-07-202009-07-202009-07-20200010.1063/1.126277https://infoscience.epfl.ch/handle/20.500.14299/41696WOS:0000862962000562943[NRG]Improved tip performance for scanning near-field optical microscopy by the attachment of a single gold nanoparticletext::journal::journal article::research article