Thermal Expansion of Zinc Sulfide: 300?1300 K
R. S. RobertsSchool of Physics and Materials, N.S.W. Institute of Technology, P.O. Box 123, Broadway, N.S.W. 2007G. K. WhiteDivision of Applied Physics, CSIRO, P.O. Box 218, Lindfield, N.S.W. 2070T. M. SabineSchool of Physics and Materials, N.S.W. Institute of Technology, P.O. Box 123, Broadway, N.S.W. 2007
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The thermal expansion of hot-pressed cubic polycrystalline zinc sulfide (Eastman Kodak: Irtran 2) was measured in a silica pushrod dilatometer. The coefficient of linear thermal expansion varies almost linearly from 6'9xlO- 6 K-l at 300K to lO'3xlO- 6 K-l at 1200K. The temperature variation of the Debye--Waller factor is calculated and compared with the experimental values found by Moss et al. (1980).
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