Effect of Hydrostatic Pressure on the Phase Transitions in NaNO<SUB>2</SUB>

書誌事項

公開日
1965
DOI
  • 10.1143/jpsj.20.1773
公開者
一般社団法人 日本物理学会

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説明

Temperature dependence of the dielectric constant ε22 of NaNO2 was measured at various hydrostatic pressures up to about 10 kbar. Both the Curie temperature Tf and the Néel temperature TN increase with increasing pressure. The initial slopes of the transition temperature vs pressure curves are given as:<BR>dTNdp=5.6×10−3degbar−1,<BR>dTfdp=4.9×10−3degbar−1,<BR>respectively. The obtained results are compared with the data of specific heat and dilatation experiment. The phenomenological discussion of one of the authors (K. G.) is shown to explain fairly well the experimental results.

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