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MEASUREMENT OF THE TEMPERATURE DEPENDENCE OF THE SHEAR MODULUS OF SOLID HELIUM 4.

[In Russian. / En russe.]

Author(s) : CYMBALENKO V. L.

Type of article: Article

Summary

THE ELASTIC MODULUS M AND DAMPING CONSTANT D ARE MEASURED AT TEMPERATURES BETWEEN 0.40 AND 1.75 K IN CRYSTALLINE HELIUM SAMPLES GROWN UNDER A PRESSURE OF ABOUT 3.5 MPASCALS. BY CONTINUOUSLY RECORDING M AND D IT IS POSSIBLE TO STUDY THE EFFECT OF THE GROWTH CONDITIONS AND HEAT SHOCK AND TO SELECT SAMPLES WITH REPRODUCTIBLE RESULTS. WITH SUCH SAMPLES IT IS FOUND THAT M DECREASES MONOTONOUSLY WITH THE TEMPERATURE. THIS IS INTERPRETED AS BEING DUE TO AN INCREASE OF THE DEFECT MOBILITY WITH DECREASE OF TEMPERATURE.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1985-0882
  • Languages: Russian
  • Source: Z. eksp. teor. Fiz. - vol. 87 - n. 3
  • Publication date: 1984
  • Document available for consultation in the library of the IIR headquarters only.

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