2D radiation of acoustic waves generated by an IR laser pulse in anisotropic semiconductors

Audoin, Bertrand; Meri, H.; Rossignol, C.

doi:10.1051/jp4:2005125077

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2021

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“…Therefore, the time-delayed acoustic pulse is an acoustic emission pulse and is the acoustic radiation of developing cracks. Similar results were observed on other materials earlier [13,14].…”

Section: Resultssupporting

confidence: 91%

Influence of Laser Radiation on Movement of Dislocations in Silicon Single Crystals

Solovyev

Rybin

2021

DDF

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The behavior of linear defects in n-and p-type silicon, generated by laser radiation is studied for pulse energy density 417 – 1083 mJ/cm2. The features of the nondestructive and destructive effects of the laser pulse on the surface defects formation of the semiconductor crystals are revealed. The formation and movement of dislocations in the crater region and the development of micro cracks, accompanied by acoustic waves are revealed.

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Section: Resultssupporting

confidence: 91%