Thermal Conduction in Ferroelectric Ceramics

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概要

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• Apparatuses were constructed and measurements were made on the thermal conductivity of insulating crystals over the temperature ranges from -200℃ to 600℃. For the lower temperature range, the absolute measurement was used, while for the higher one, the comparative method was adopted. The thermal conductivities of ferroelectric PbTiO_3 and antiferroelectric PbZrO_3 showed a rather large step-wise increase, in contrast to the case of BaTiO_3, as they passed into the paraelectric state. Discussions are given of the relation between the magnitude of thermal conductivity and the crystal structure. It is pointed out that the anharmonic potential for the smaller ions should be responsible for the scattering of phonons in these substances.

• 1960-12-05

著者

• Yoshida Ikushi

  The Institute For Solid State Physics University Of Tokyo

• Yoshida Ikushi

  The Institute For Solid State Physics University Of Tokyo:tokyo Institute Of Technlogy

• Yoshida I.

  The Institute for Solid State Physics, University of Tokyo

関連論文

• Thermal Conduction in Ferroelectric Ceramics
• Thermal Conductivity of Sodium Nitrite

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