By Peter W. Hawkes (Ed.)
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Extra resources for Advances in Electronics and Electron Physics, Vol. 70
1984). excellent agreement between experiment and theory. If one applies Eq. , 1984). Of course, in any calculation of the beam-induced thermal response of the specimen only the beam power absorbed in the sample plays any role. Therefore, correction factors may have to be applied due to the emission of secondary and backscattered electrons, photons, etc. So far, in our discussion of the thermal sample response to the electron beam irradiation we have concentrated on purely diffusive heat propagation.
HUEBENER B e -BEAM d H- 90 p m + FIG. 14. The signal -61,(x,y) showing the 4-5 vortex state and obtained by scanning longitudinally along the junction. The line scans were performed for several values of the transverse coordinate. The position of the junction and the scanning direction are indicated at the bottom. Recording(b) was obtained near the local maximum of the magnetic interference pattern, whereas recordings (a) and (c) were taken on the low and high-field side of this maximum, respectively.
32. Voltage signal SV(x) marking the two hotspot boundaries versus the longitudinal sample coordinate for three samples as indicated in the text. The thermal healing length q decreases from the sample at the top to that at the bottom because of the decrease in heat conductivity. For sample H9 (bottom) (he voltage signal 6 V ( x )of a single boundary is shown also at higher spatial resolution. The width 2q of each voltage peak calculated from Eq. (2) is indicated for each sample. 7 K. Beam voltage = 30 k V , beam current = 1-50 PA.