Ultrasonic Attenuation in Zinc Single Crystals at Low Temperatures

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概要

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• The ultrasonic attenuation in zinc single crystals were studied in the temperature range from 4.2°K to 300°K. In pure zinc specimen, three peaks were observed in the attenuation, temperature curves. The peaks were named P_1, P_2 and P_3 in the order from lower to higher temperature. P_1, P_2 and P_3 were observed in the attenuation of the longitudinal wave along the direction 43.25° to c-axis and the shear wave parallel to the basal plane. On the other hand, only P_3 was observed in the attenuation of the longitudinal waves travelling perpendicular to the basal plane. The relaxation processes appearing in the form of P_1, P_2 and P_3 peaks were interpreted to be associated with the dislocation movement in the basal plane, prismatic plane and pyramidal plane, respectively. A theory of relaxation process in terms of formation of a pair of kinks is proposed.

• 社団法人日本物理学会の論文
• 1969-03-05

著者

• Kayano Hideo

  The Research Institute For Iron Steel And Other Metals Tohoku University

• Kayano Hideo

  The Research Institute For Iron Steel And Other Metals

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