ZONE-EDGE PHONONS - A MICROPROBE OF STRAIN AT THE INTERFACE OF LATTICE MISMATCHED EPITAXIAL LAYERS

被引：5

作者：

BRAFMAN, O

KROST, A

RICHTER, W

机构：

[1] TECHNION ISRAEL INST TECHNOL,INST SOLID STATE,IL-32000 HAIFA,ISRAEL

[2] TECH UNIV BERLIN,INST FESTKORPERPHYS,W-1000 BERLIN 12,GERMANY

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1991年 / 3卷 / 32期

关键词：

D O I：

10.1088/0953-8984/3/32/028

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 [凝聚态物理];

摘要：

We demonstrate the strength of second-order Raman scattering in probing strain limited to mesoscopic dimensions. This method is shown to be powerful in evaluating the degree of homogeneity at the interface of mismatched epitaxial layers. We use this method to re-examine neutron scattering results of the LO phonon frequencies at zone edge.

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页码：6203 / 6207

页数：5

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