Measurement of elastic constants of single crystal PbMoO_4$ by using brillouin scattering experiment

브릴루앙 산란실험을 이용한 단결정 PbMoO_4$의 탄성계수 측정

  • Published : 1996.12.01

Abstract

We have performed Brillouin scattering experiments to investigate the elastic properties of tetragonal symmetry single crystal $PbMoO_4$ and could determine the value of birefringence as well as the whole elastic constants. As a result, $c_11=111.4{\pm}4.4,$$, $c_12=64.7{\pm}3.4$, $c_44=27.0{\pm}0.8$, $c_13=51.9{\pm}2.5$, $c_33=95.5{\pm}1.9$, $c_66=34.5{\pm}4.6$ and $c_16=15.8{\pm}1.2({\times}10^9N/m^2)$ and $n_o-n_e=0.151{\pm}0.018$.

정방정계의 단결정인 PbMo $O_{4}$의 탄성늑성을 조사하기 위하여 브릴루앙 산란 실험을 수행하였으며 모든 탄성계수 뿐만 아니라 복굴절 값도 결정할 수 있었다. 그 결과 c$_{11}$=111.4.+-.4.4, c$_{12}$=64.7.+-.3.4, c$_{4+}$=27.0.+-.0.8, c$_{13}$=51.9.+-.2.5, c$_{33}$=95.5.+-.1.9, c$_{66}$=34.5.+-.4.6 그리고 c$_{16}$=15.8.+-.1.2(*$10^{9}$N/m$^{2}$)이었으며 n$_{o}$ -n$_{e}$=0.151.+-.0.018 이었다.다.

Keywords

References

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