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Phonon diffraction gratings

 

作者: P. D. Vu,   J. R. Olson,   R. O. Pohl,  

 

期刊: Annalen der Physik  （WILEY Available online 1995）
卷期: Volume 507, issue 1  

页码: 9-25

 

ISSN:0003-3804

 

年代: 1995

 

DOI:10.1002/andp.19955070103

 

出版商: WILEY‐VCH Verlag

 

关键词: Kapitza resistance;Phonon scattering at interfaces;Phonon diffraction grating

 

数据来源: WILEY

 

摘要:

AbstractA two‐dimensional diffraction grating for phonons is described. It scatters thermal phonons strongly when their dominant wavelength is equal to the grating's lattice constant. Through measurements of the Kapitza resistance between the silicon crystal carrying the grating and liquid helium, it is shown that the scattering by the grating is predominantly coherent, as expected for phonon diffractio

 

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