Electromotive force produced by shock compression of a substance

V.N. Mineev^a, A.G. Ivanov
^aInstitute for High Energy Densities, Associated Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow, 127412, Russian Federation

The phenomena accompanying shock polarization of linear dielectrics and depolarization of nonlinear dielectrics are considered. It is established that the appearance of an emf on the front of a shock wave is a characteristic of a large class of substances, such as linear and nonlinear dielectrics, semiconductors, and metals. It is shown that the emf produced by shock compression of ionic crystals, polar dielectrics, semiconductors, and a number of metals is due to shock polarization. Diffusion of carriers from the front of a shock wave is observed in shock-compressed bismuth, europium, and aluminum. Shock compression of polarization nonlinear dielectrics leads to a stronger effect, namely to the onset of a depolarization emf. The presented phenomenological description of shock polarization is in good agreement with experiment.

PACS: 62.50.+p
DOI: 10.1070/PU1976v019n05ABEH005260
URL: https://ufn.ru/en/articles/1976/5/c/
Citation: Mineev V N, Ivanov A G "Electromotive force produced by shock compression of a substance" Sov. Phys. Usp. 19 400–419 (1976)

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Оригинал: Минеев В Н, Иванов А Г «Э. Д. С., возникающая при ударном сжатии вещества» УФН 119 75–109 (1976); DOI: 10.3367/UFNr.0119.197605c.0075

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