Analysis of the electrically stimulated acoustic-wave method for observing space charge in semi-insulating films.

作者: Joseph B. Bernstein

DOI: 10.1103/PHYSREVB.44.10804

关键词: Materials sciencePiezoelectricitySignalFigure of meritTransducerPolingSpace chargeSensitivity (control systems)OpticsDielectric

摘要: The electrically stimulated acoustic-wave (ESAW) method for observing resident space charge in dielectric insulators has been used to characterize the poling behavior of millimeter-thick samples polymeric insulation. principle involves applying a voltage pulse across material containing and recording exiting stress-wave signal by means piezoelectric transducer. This is noninvasive technique may be performed, situ, during any space-charge-generating experiment. able detect with figure merit equal sensitivity times resolution 130 pC/${\mathrm{cm}}^{2}$, and, our knowledge, lowest reported nondestructive space-charge-profiling technique.

参考文章(8)
J. Sworakowski, S. Nespurek, Determining local state densities in spatially inhomogeneous samples from steady-state space-charge-limited currents IEEE Transactions on Electrical Insulation. ,vol. 24, pp. 223- 227 ,(1989) , 10.1109/14.90278
V. Adamec, J. H. Calderwood, Charging Phenomena and SCL Regime in Polymeric Dielectrics IEEE Transactions on Electrical Insulation. ,vol. EI-21, pp. 389- 393 ,(1986) , 10.1109/TEI.1986.349081
M. Ieda, Electrical Conduction and Carrier Traps in Polymeric Materials IEEE Transactions on Electrical Insulation. ,vol. 3, pp. 162- 178 ,(1984) , 10.1109/TEI.1984.298741
T. John Lewis, Electrical Effects at Interfaces and Surfaces IEEE Transactions on Electrical Insulation. ,vol. EI-21, pp. 289- 295 ,(1986) , 10.1109/TEI.1986.349063
J. Lewiner, Evolution of Experimental Techniques for the Study of the Electrical Properties of Insulating Materials IEEE Transactions on Electrical Insulation. ,vol. EI-21, pp. 351- 360 ,(1986) , 10.1109/TEI.1986.349076
T. Maeno, T. Futami, H. Kushibe, T. Takada, C.M. Cooke, Measurement of spatial charge distribution in thick dielectrics using the pulsed electroacoustic method IEEE Transactions on Electrical Insulation. ,vol. 23, pp. 433- 439 ,(1988) , 10.1109/14.2384
C. G. Overberger, Y. Shimokawa, Circular dichroism of stereospecific asymmetric polyamides derived from trans‐1,2‐cyclopropanedicarboxylic acid Journal of Polymer Science Part B: Polymer Letters. ,vol. 9, pp. 161- 165 ,(1971) , 10.1002/POL.1971.110090301
Mitsumasa Oshiki, Eiichi Fukada, Inverse piezoelectric effect and electrostrictive effect in polarized poly(vinylidene fluoride) films Journal of Materials Science. ,vol. 10, pp. 1- 6 ,(1975) , 10.1007/BF00541025