After Effect of the Domain Motion in Rochelle Salt Crystal
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概要
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After effect of the domain motion in rochelle salt crystal was observed for several hours. Quasi-static f-E hysteresis loop was obtained, where f is the fraction of the domain saturated in one direction to the total volume of the crystal. Comparing this with P-E hysteresis loop at 50 cps, differences are remarkable. A.c, hysteresis loop has shallow sloping sides and high coercivity, while quasi-static f-E hysteresis loop is almost square and shows much lower coercivity. f is time dependent and can be expressed in the formula: f(t) = 1 - e^<αt> where time constant 1/α is about one hour for critical field about 60v/cm, in the sample of thickness 0.6mm at 10℃.
- 社団法人日本物理学会の論文
- 1957-05-05
著者
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Nakamura Terutaro
Department Of Physics Faculty Of Science University Of Tokyo
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Nakamura Terutaro
Department Of Physics Faculty Of Science Ochanomizu University
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