Author/Authors :
Takechi، نويسنده , , S. and Onishi، نويسنده , , T. and Minami، نويسنده , , S. and Miyachi، نويسنده , , T. and Fujii، نويسنده , , M. and Hasebe، نويسنده , , N. and Mori، نويسنده , , K. and Nogami، نويسنده , , K. and Ohashi، نويسنده , , H. and Sasaki، نويسنده , , S. I. Shibata، نويسنده , , H. and Iwai، نويسنده , , T. and Grün، نويسنده , , E. and Srama، نويسنده , , Mahmoud R. and Okada، نويسنده , , N.، نويسنده ,
Abstract :
A cosmic dust detector for use onboard a satellite is currently being constructed from piezoelectric lead zirconate titanate (PZT). The characteristics of the PZT detector were studied by bombarding it with hypervelocity iron particles, which were supplied by a Van de Graaff accelerator. There was a linear relationship between the rise time of the signal observed from the detector and the particleʹs velocity, which was above 10 km/s on impact. It was also found that the rise time was almost independent of the collisional angle between the particles and the PZT surface within the limits of the particleʹs parameters used in this experiment.
Keywords :
cosmic dust , Dust detector , Lead zirconate titanate (PZT) , Mercury dust monitor (MDM) , Piezoelectricity
