AIP Conference Proceedings 2009
DOI: 10.1063/1.3251225
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Effects of Experimental Parameters on the Work Function Measurement: A Kelvin Force Microscopy Study

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Cited by 7 publications
(6 citation statements)
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“…The Volta potential of platinum in elevated humidity has been demonstrated at room temperature to be <50 mV. 29,49,50 After the first cycle measurement, the sample was dismantled from the microscope and placed in an air-sealed container with fixed humidity of 76% RH, which was controlled using an open reservoir with saturated NaCl solution, for 20 h. 51 Then, a second measurement cycle was done. The entire measurement protocol is listed in Table II.…”
Section: Methodsmentioning
confidence: 99%
“…The Volta potential of platinum in elevated humidity has been demonstrated at room temperature to be <50 mV. 29,49,50 After the first cycle measurement, the sample was dismantled from the microscope and placed in an air-sealed container with fixed humidity of 76% RH, which was controlled using an open reservoir with saturated NaCl solution, for 20 h. 51 Then, a second measurement cycle was done. The entire measurement protocol is listed in Table II.…”
Section: Methodsmentioning
confidence: 99%
“…Therefore, on a uniform sample one would not expect any influence of the tip-sample distance on the measured surface potential. However, various groups reported a dependence of U DC on the lift-height [41,42,37], where the variations in U DC reached up to 1 V. This lift-height dependence can have many different origins. First of all there is the weighted averaging of all electrostatic contributions including the cantilever itself.…”
Section: On the Lift-height Dependence In Am-kfmmentioning
confidence: 99%
“…The tip's nobility may be altered during exposure to humidity which has been shown to be less than 150 mV as platinum does not oxidize in ambient conditions, so adsorption of a monolayer of water, if any, is not anticipated to cause substantial changes of the work function of the tip. 26,27 The experiments were repeated several times on different regions in the microstructure, capturing dozens of IMPs, and similar results were obtained, i.e. the nobility inversion was always monitored.…”
Section: Methodsmentioning
confidence: 75%