Sound velocity and absorption measurements under high pressure using picosecond ultrasonics in a diamond anvil cell: Application to the stability study of AlPdMn
Sound velocity and absorption measurements under high pressure using picosecond ultrasonics in a diamond anvil cell: Application to the stability study of AlPdMn
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DOI：
10.1103/physrevlett.100.035502
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发表时间：
2008-01-25
影响因子：
8.6
通讯作者：
Gauthier, M.
中科院分区：
文献类型：
--
作者：
Decremps, F.;Belliard, L.;Gauthier, M.
我们报道了一种将金刚石砧细胞装置与皮秒超声技术相结合的创新高压方法。这种方法使我们能够在数十GPa的压力下测量固体和液体的声速和衰减，克服了传统技术的所有缺点。在AlPdMn准晶的金属单晶以及稀有气体固体氖和氩的晶格动力学和弛豫过程的研究中，证明了这种实验技术的力量。
We report an innovative high pressure method combining the diamond anvil cell device with the technique of picosecond ultrasonics. Such an approach allows us to measure sound velocity and attenuation of solids and liquids under pressure of tens of GPa, overcoming all the drawbacks of traditional techniques. The power of this experimental technique is demonstrated in studies of lattice dynamics and relaxation processes in a metallic single grain of AlPdMn quasicrystal, and in rare gas solids neon and argon.