title: Note: A scanning thermal probe microscope that operates in liquids.
abstract: We have developed a scanning thermal probe microscope that operates in liquid environments. The thermal sensor is a fluorescent particle glued at the end of a sharp tungsten tip. Since light emission is a strongly thermally sensitive effect, the measurement of the particle fluorescence variations allows the determination of the temperature. No electrical wiring of the probe is needed. As a demonstrative example, we have measured the temperature map of a Joule-heated microheater immersed in a water∕glycerol solution. Both topographical and thermal images are obtained with a good sensitivity.
authors: Laboratoire de Physique et d'Etude des Matériaux, UMR CNRS 8213, ESPCI, 10 rue Vauquelin, 75231 Paris Cedex 5, France. lionel.aigouy@espci.fr
authors: Lionel
authors: L
authors: Aigouy
authors: Loïc
authors: L
authors: Lalouat
authors: Michel
authors: M
authors: Mortier
authors: Peter
authors: P
authors: Löw
authors: Christian
authors: C
authors: Bergaud