Field emission microscopy

FEM Field emission microscopy [62, 101, 102] Electrons are emitted from a tip in a high field Surface structure... [Pg.313]

Mobility of this second kind is illustrated in Fig. XVIII-14, which shows NO molecules diffusing around on terraces with intervals of being trapped at steps. Surface diffusion can be seen in field emission microscopy (FEM) and can be measured by observing the growth rate of patches or fluctuations in emission from a small area [136,138] (see Section V111-2C), field ion microscopy [138], Auger and work function measurements, and laser-induced desorption... [Pg.709]

Field Emission Microscopy and Some Applications to Catalysis and Chemisorption Robert Gomer... [Pg.423]

Modern Methods in Surface Kinetics Flash, Desorption, Field Emission Microscopy, and Ultrahigh Vacuum Techniques Gert Ehrlich... [Pg.425]

The significance and impact of surface science were now becoming very apparent with studies of single crystals (Ehrlich and Gomer), field emission microscopy (Sachtler and Duell), calorimetric studies (Brennan and Wedler) and work function and photoemission studies (M.W.R.). Distinct adsorption states of nitrogen at tungsten surfaces (Ehrlich), the facile nature of surface reconstruction (Muller) and the defective nature of the chemisorbed oxygen overlayer at nickel surfaces (M.W.R.) were topics discussed. [Pg.6]

Energy Dispersive X-Ray Analysis (EDX, EDAX) Field Emission Microscopy (FEM)... [Pg.182]

Field emission microscopy was the first technique capable of imaging surfaces at resolution close to atomic dimensions. The pioneer in this area was E.W. Muller, who published the field emission microscope in 1936 and later the field ion microscope in 1951 [23]. Both techniques are limited to sharp tips of high melting metals (tungsten, rhenium, rhodium, iridium, and platinum), but have been extremely useful in exploring and understanding the properties of metal surfaces. We mention the structure of clean metal surfaces, defects, order/disorder phenomena,... [Pg.191]

Several ways exist to image these regions of different work function. We have already discussed scanning electron and field emission microscopy in this chapter. Scanning photoemission microscopy (SPM) is carried out by scanning a focussed UV beam (beam diameter of 0.5 pm) over the surface and recording the photoemis-... [Pg.210]

Field emission devices, 17 49-50 Field emission FPDs (FEDs), 22 259 Field emission microscope (FEM), 16 503 Field emission microscopy (FEM), 24 74 Field emission scanning electron microscope (FESEM), 16 492 Field emission scanning electron... [Pg.356]

Drechsler, M. (1978). Erwin Muller and the early development of field emission microscopy. Surf. Sci. 70, 1-18. [Pg.389]

Field evaporation 287 Field-emission microscopy 43 Field-ion microscopy 39—43 comparison with STM 41 directional walk of single atoms 42 resolution 40 Force and deformation 37 Force in tunneling experiments 49, 53, 171... [Pg.407]

The migration of O atoms on Ru has been observed directly by field emission microscopy from which an activation energy of 14 kcal/mol was derived (161). [Pg.34]

Application of Spectrophotometry to the Study of Catalytic Systems H. P. LeftinandM. C, Hobson,Jr. Hydrogenation of Pyridines and Quinolines Morris Freifelder Modern Methods in Surface Kinetics Flash, Desorption, Field Emission Microscopy, and Ultrahigh Vacuum Techniques Gert Ehrlich... [Pg.400]

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