Title

Observation of Alpha-Induced Ballistic Phonon Time-of-Flight Using Multi-Channel Silicon Crystal Acoustic Detectors

Document Type

Article

Publication Date

9-1990

Publisher

Elsevier

Abstract

We have developed a technique for producing double-sided multi-channel silicon crystal acoustic detectors (SiCADs). These detectors, which are operated at = 400 mK and use 40 nm thick films of supercond ucting Ti as the phonon sensors, have been used in time-coincidence experiments to study the propagation of alpha-induced ballistic phonons through 1 mm of crystalline Si.

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