ZhETF, Vol. 138,
No. 3,
p. 482 (September 2010)
(English translation - JETP,
Vol. 111, No. 3,
p. 427,
September 2010
available online at www.springer.com
)
ELASTIC PROPERTIES OF FeSi
Petrova A.E., Krasnorussky V.N., Stishov S.M.
Received: March 11, 2010
Measurements of the sound velocities in a single crystal of FeSi were performed in the temperature range 4-300 K. Elastic constants C11 and C44 deviate from a quasiharmonic behavior at high temperature; on the other hand, elastic constants C12 increases anomalously in the entire temperature range, indicating a change in the electron structure of this material.
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